class TestInstrumentAgent(IonIntegrationTestCase):
    """
    Test cases for instrument agent class. Functions in this class provide
    instrument agent integration tests and provide a tutorial on use of
    the agent setup and interface.
    """ 
    def setUp(self):
        """
        Initialize test members.
        Start port agent.
        Start container and client.
        Start streams and subscribers.
        Start agent, client.
        """
                
        self._support = DriverIntegrationTestSupport(DRV_MOD,
                                                     DRV_CLS,
                                                     DEV_ADDR,
                                                     DEV_PORT,
                                                     DELIM,
                                                     WORK_DIR)
        # Start port agent, add stop to cleanup.
        self._pagent = None        
        self._start_pagent()
        self.addCleanup(self._support.stop_pagent)    
        
        # Start container.
        self._start_container()
        
        # Bring up services in a deploy file (no need to message)
        self.container.start_rel_from_url('res/deploy/r2dm.yml')

        # Start data suscribers, add stop to cleanup.
        # Define stream_config.
        self._no_samples = None
        self._async_data_result = AsyncResult()
        self._data_greenlets = []
        self._stream_config = {}
        self._samples_received = []
        self._data_subscribers = []
        self._start_data_subscribers()
        self.addCleanup(self._stop_data_subscribers)

        # Start event subscribers, add stop to cleanup.
        self._no_events = None
        self._async_event_result = AsyncResult()
        self._events_received = []
        self._event_subscribers = []
        self._start_event_subscribers()
        self.addCleanup(self._stop_event_subscribers)
                
        # Create agent config.
        agent_config = {
            'driver_config' : DVR_CONFIG,
            'stream_config' : self._stream_config,
            'agent'         : {'resource_id': IA_RESOURCE_ID},
            'test_mode' : True
        }
        
        # Start instrument agent.
        self._ia_pid = None
        log.debug("TestInstrumentAgent.setup(): starting IA.")
        container_client = ContainerAgentClient(node=self.container.node,
                                                name=self.container.name)
        self._ia_pid = container_client.spawn_process(name=IA_NAME,
                                                      module=IA_MOD, 
                                                      cls=IA_CLS, 
                                                      config=agent_config)      
        log.info('Agent pid=%s.', str(self._ia_pid))
        
        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = None
        self._ia_client = ResourceAgentClient(IA_RESOURCE_ID, process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))        
        
    def _start_pagent(self):
        """
        Construct and start the port agent.
        """
        port = self._support.start_pagent()
        
        # Configure driver to use port agent port number.
        DVR_CONFIG['comms_config'] = {
            'addr' : 'localhost',
            'port' : port
        }
        
    def _start_data_subscribers(self):
        """
        """
        # Create a pubsub client to create streams.
        pubsub_client = PubsubManagementServiceClient(node=self.container.node)

        # A callback for processing subscribed-to data.
        def consume_data(message, headers):
            log.info('Subscriber received data message: %s.', str(message))
            self._samples_received.append(message)
            if self._no_samples and self._no_samples == len(self._samples_received):
                self._async_data_result.set()
                
        # Create a stream subscriber registrar to create subscribers.
        subscriber_registrar = StreamSubscriberRegistrar(process=self.container,
                                                node=self.container.node)

        # Create streams and subscriptions for each stream named in driver.
        self._stream_config = {}
        self._data_subscribers = []
        for (stream_name, val) in PACKET_CONFIG.iteritems():
            stream_def = ctd_stream_definition(stream_id=None)
            stream_def_id = pubsub_client.create_stream_definition(
                                                    container=stream_def)        
            stream_id = pubsub_client.create_stream(
                        name=stream_name,
                        stream_definition_id=stream_def_id,
                        original=True,
                        encoding='ION R2')
            self._stream_config[stream_name] = stream_id
            
            # Create subscriptions for each stream.
            exchange_name = '%s_queue' % stream_name
            sub = subscriber_registrar.create_subscriber(exchange_name=exchange_name,
                                                         callback=consume_data)
            self._listen(sub)
            self._data_subscribers.append(sub)
            query = StreamQuery(stream_ids=[stream_id])
            sub_id = pubsub_client.create_subscription(\
                                query=query, exchange_name=exchange_name)
            pubsub_client.activate_subscription(sub_id)
            
    def _listen(self, sub):
        """
        Pass in a subscriber here, this will make it listen in a background greenlet.
        """
        gl = spawn(sub.listen)
        self._data_greenlets.append(gl)
        sub._ready_event.wait(timeout=5)
        return gl
                                 
    def _stop_data_subscribers(self):
        """
        Stop the data subscribers on cleanup.
        """
        for sub in self._data_subscribers:
            sub.stop()
        for gl in self._data_greenlets:
            gl.kill()
            
    def _start_event_subscribers(self):
        """
        Create subscribers for agent and driver events.
        """
        def consume_event(*args, **kwargs):
            log.info('Test recieved ION event: args=%s, kwargs=%s, event=%s.', 
                     str(args), str(kwargs), str(args[0]))
            self._events_received.append(args[0])
            if self._no_events and self._no_events == len(self._event_received):
                self._async_event_result.set()
                
        event_sub = EventSubscriber(event_type="DeviceEvent", callback=consume_event)
        event_sub.activate()
        self._event_subscribers.append(event_sub)
        
    def _stop_event_subscribers(self):
        """
        Stop event subscribers on cleanup.
        """
        for sub in self._event_subscribers:
            sub.deactivate()
        
    def assertSampleDict(self, val):
        """
        Verify the value is a sample dictionary for the sbe37.
        """
        #{'p': [-6.945], 'c': [0.08707], 't': [20.002], 'time': [1333752198.450622]}        
        self.assertTrue(isinstance(val, dict))
        self.assertTrue(val.has_key('c'))
        self.assertTrue(val.has_key('t'))
        self.assertTrue(val.has_key('p'))
        self.assertTrue(val.has_key('time'))
        c = val['c'][0]
        t = val['t'][0]
        p = val['p'][0]
        time = val['time'][0]
    
        self.assertTrue(isinstance(c, float))
        self.assertTrue(isinstance(t, float))
        self.assertTrue(isinstance(p, float))
        self.assertTrue(isinstance(time, float))

    def assertParamDict(self, pd, all_params=False):
        """
        Verify all device parameters exist and are correct type.
        """
        if all_params:
            self.assertEqual(set(pd.keys()), set(PARAMS.keys()))
            for (key, type_val) in PARAMS.iteritems():
                if type_val == list or type_val == tuple:
                    self.assertTrue(isinstance(pd[key], (list, tuple)))
                else:
                    self.assertTrue(isinstance(pd[key], type_val))
                    
        else:
            for (key, val) in pd.iteritems():
                self.assertTrue(PARAMS.has_key(key))
                self.assertTrue(isinstance(val, PARAMS[key]))
    
    def assertParamVals(self, params, correct_params):
        """
        Verify parameters take the correct values.
        """
        self.assertEqual(set(params.keys()), set(correct_params.keys()))
        for (key, val) in params.iteritems():
            correct_val = correct_params[key]
            if isinstance(val, float):
                # Verify to 5% of the larger value.
                max_val = max(abs(val), abs(correct_val))
                self.assertAlmostEqual(val, correct_val, delta=max_val*.01)

            elif isinstance(val, (list, tuple)):
                # list of tuple.
                self.assertEqual(list(val), list(correct_val))
            
            else:
                # int, bool, str.
                self.assertEqual(val, correct_val)

    def test_initialize(self):
        """
        Test agent initialize command. This causes creation of
        driver process and transition to inactive.
        """

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
                
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
    def test_states(self):
        """
        Test agent state transitions.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
                
        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)
 
        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
 
        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_get_set(self):
        """
        Test instrument driver get and set interface.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Retrieve all resource parameters.                
        reply = self._ia_client.get_param(SBE37Parameter.ALL)
        self.assertParamDict(reply, True)
        orig_config = reply
        
        # Retrieve a subset of resource parameters.
        params = [
            SBE37Parameter.TA0,
            SBE37Parameter.INTERVAL,
            SBE37Parameter.STORETIME
        ]
        reply = self._ia_client.get_param(params)
        self.assertParamDict(reply)
        orig_params = reply

        # Set a subset of resource parameters.
        new_params = {
            SBE37Parameter.TA0 : (orig_params[SBE37Parameter.TA0] * 2),
            SBE37Parameter.INTERVAL : (orig_params[SBE37Parameter.INTERVAL] + 1),
            SBE37Parameter.STORETIME : (not orig_params[SBE37Parameter.STORETIME])
        }
        self._ia_client.set_param(new_params)
        check_new_params = self._ia_client.get_param(params)
        self.assertParamVals(check_new_params, new_params)
        
        # Reset the parameters back to their original values.
        self._ia_client.set_param(orig_params)
        reply = self._ia_client.get_param(SBE37Parameter.ALL)
        reply.pop(SBE37Parameter.SAMPLENUM)
        orig_config.pop(SBE37Parameter.SAMPLENUM)
        self.assertParamVals(reply, orig_config)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_poll(self):
        """
        Test observatory polling function.
        """
        
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
        
        # Lets get 3 samples.
        self._no_samples = 3
        
        # Poll for a few samples.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)        

        # Assert we got 3 samples.
        self._async_data_result.get(timeout=10)
        self.assertTrue(len(self._samples_received)==3)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)        
        
    def test_autosample(self):
        """
        Test instrument driver execute interface to start and stop streaming
        mode.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the sampling rate and transmission are sane.                
        params = {
            SBE37Parameter.NAVG : 1,
            SBE37Parameter.INTERVAL : 5,
            SBE37Parameter.TXREALTIME : True
        }
        self._ia_client.set_param(params)

        self._no_samples = 2

        # Begin streaming.                
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)
 
        # Wait for some samples to roll in.
        gevent.sleep(15)
 
        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert we got some samples.
        self._async_data_result.get(timeout=10)
        self.assertTrue(len(self._samples_received)>=2)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_capabilities(self):
        """
        Test the ability to retrieve agent and resource parameter and command
        capabilities.
        """
        acmds = self._ia_client.get_capabilities(['AGT_CMD'])
        acmds = [item[1] for item in acmds]
        self.assertEqual(acmds, AGT_CMDS)
        apars = self._ia_client.get_capabilities(['AGT_PAR'])
        apars = [item[1] for item in apars]
        
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)
        
        rcmds = self._ia_client.get_capabilities(['RES_CMD'])
        rcmds = [item[1] for item in rcmds]
        self.assertEqual(rcmds, CMDS)
        
        rpars = self._ia_client.get_capabilities(['RES_PAR'])
        rpars = [item[1] for item in rpars]
        self.assertEqual(rpars, SBE37Parameter.list())
                
        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
    @unittest.skip('Never written')
    def test_errors(self):
        """
        Test illegal behavior and replies.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        # Can't go active in unitialized state.
        # Status 660 is state error.
        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        log.info('GO ACTIVE CMD %s',str(retval))
        self.assertEquals(retval.status, 660)
        
        # Can't command driver in this state.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertEqual(reply.status, 660)
        
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # OK, I can do this now.        
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        # 404 unknown agent command.
        cmd = AgentCommand(command='kiss_edward')
        retval = self._ia_client.execute_agent(cmd)
        self.assertEquals(retval.status, 404)
        
        # 670 unknown driver command.
        cmd = AgentCommand(command='acquire_sample_please')
        retval = self._ia_client.execute(cmd)
        self.assertEqual(retval.status, 670)

        # 630 Parameter error.
        with self.assertRaises(InstParameterError):
            reply = self._ia_client.get_param('bogus bogus')

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
        
        
    @unittest.skip('Direct access test to be finished by adding the telnet client, manual for now.')
    def test_direct_access(self):
        """
        Test agent direct_access command. This causes creation of
        driver process and transition to direct access.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='go_direct_access', 
                           #kwargs={'session_type':DirectAccessTypes.telnet,
                           kwargs={'session_type':DirectAccessTypes.vsp,
                                   'session_timeout':600,
                                   'inactivity_timeout':600})
        retval = self._ia_client.execute_agent(cmd)
        print("go_direct_access retval=" + str(retval))       
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.DIRECT_ACCESS)

        # sleep to let tester run telnet client manually
        print "test sleeping to run telnet client"
        time.sleep(60)

        # Halt DA.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
class TestInstrumentAgentWithTrhph(TrhphTestCase, IonIntegrationTestCase):
    """
    R2 instrument agent tests with the TRHPH driver.
    """

    def setUp(self):
        """
        Initialize test members.
        Start port agent.
        Start container and client.
        Start streams and subscribers.
        Start agent, client.
        """

        TrhphTestCase.setUp(self)

        self._support = DriverIntegrationTestSupport(DRV_MOD,
                                                     DRV_CLS,
                                                     self.device_address,
                                                     self.device_port,
                                                     DELIM,
                                                     WORK_DIR)
        # Start port agent, add stop to cleanup.
        self._pagent = None
        self._start_pagent()
        self.addCleanup(self._support.stop_pagent)

        # Start container.
        self._start_container()

        # Bring up services in a deploy file (no need to message)
        self.container.start_rel_from_url('res/deploy/r2deploy.yml')

        # Start data suscribers, add stop to cleanup.
        # Define stream_config.
        self._no_samples = None
        self._async_data_result = AsyncResult()
        self._data_greenlets = []
        self._stream_config = {}
        self._samples_received = []
        self._data_subscribers = []
        self._start_data_subscribers()
        self.addCleanup(self._stop_data_subscribers)

        # Start event subscribers, add stop to cleanup.
        self._no_events = None
        self._async_event_result = AsyncResult()
        self._events_received = []
        self._event_subscribers = []
        self._start_event_subscribers()
        self.addCleanup(self._stop_event_subscribers)

        # Create agent config.
        agent_config = {
            'driver_config' : DVR_CONFIG,
            'stream_config' : self._stream_config,
            'agent'         : {'resource_id': IA_RESOURCE_ID},
            'test_mode' : True
        }

        # Start instrument agent.
        self._ia_pid = None
        log.debug("TestInstrumentAgentWithTrhph.setup(): starting IA.")
        container_client = ContainerAgentClient(node=self.container.node,
                                                name=self.container.name)
        self._ia_pid = container_client.spawn_process(name=IA_NAME,
                                                      module=IA_MOD,
                                                      cls=IA_CLS,
                                                      config=agent_config)
        log.info('Agent pid=%s.', str(self._ia_pid))

        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = ResourceAgentClient(IA_RESOURCE_ID, process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))

        # make sure the driver is stopped
        self.addCleanup(self._reset)

    def addCleanup(self, f):
        IonIntegrationTestCase.addCleanup(self, f)

    def tearDown(self):
        try:
            IonIntegrationTestCase.tearDown(self)
        finally:
            TrhphTestCase.tearDown(self)

    def _start_pagent(self):
        """
        Construct and start the port agent.
        """
        port = self._support.start_pagent()

        # Configure driver to use port agent port number.
        DVR_CONFIG['comms_config'] = {
            'addr' : 'localhost',
            'port' : port
        }

    def _start_data_subscribers(self):
        """
        """
        # Create a pubsub client to create streams.
        pubsub_client = PubsubManagementServiceClient(node=self.container.node)

        # A callback for processing subscribed-to data.
        def consume_data(message, headers):
            log.info('Subscriber received data message: %s.', str(message))
            self._samples_received.append(message)
            if self._no_samples and self._no_samples == len(self._samples_received):
                self._async_data_result.set()

        # Create a stream subscriber registrar to create subscribers.
        subscriber_registrar = StreamSubscriberRegistrar(process=self.container,
                                                         container=self.container)

        # Create streams and subscriptions for each stream named in driver.
        self._stream_config = {}
        self._data_subscribers = []
        for stream_name in PACKET_CONFIG:
            stream_def = ctd_stream_definition(stream_id=None)
            stream_def_id = pubsub_client.create_stream_definition(
                                                    container=stream_def)
            stream_id = pubsub_client.create_stream(
                        name=stream_name,
                        stream_definition_id=stream_def_id,
                        original=True,
                        encoding='ION R2')

            taxy = get_taxonomy(stream_name)
            stream_config = dict(
                id=stream_id,
                taxonomy=taxy.dump()
            )
            self._stream_config[stream_name] = stream_config

            # Create subscriptions for each stream.
            exchange_name = '%s_queue' % stream_name
            sub = subscriber_registrar.create_subscriber(exchange_name=exchange_name,
                                                         callback=consume_data)
            self._listen(sub)
            self._data_subscribers.append(sub)
            query = StreamQuery(stream_ids=[stream_id])
            sub_id = pubsub_client.create_subscription(
                                query=query, exchange_name=exchange_name,
                                exchange_point='science_data')
            pubsub_client.activate_subscription(sub_id)

    def _listen(self, sub):
        """
        Pass in a subscriber here, this will make it listen in a background greenlet.
        """
        gl = spawn(sub.listen)
        self._data_greenlets.append(gl)
        sub._ready_event.wait(timeout=5)
        return gl

    def _stop_data_subscribers(self):
        """
        Stop the data subscribers on cleanup.
        """
        log.info('cleanup: _stop_data_subscribers called.')
        for sub in self._data_subscribers:
            sub.stop()
        for gl in self._data_greenlets:
            gl.kill()

    def _start_event_subscribers(self):
        """
        Create subscribers for agent and driver events.
        """
        def consume_event(*args, **kwargs):
            log.info('Test recieved ION event: args=%s, kwargs=%s, event=%s.',
                     str(args), str(kwargs), str(args[0]))
            self._events_received.append(args[0])
            if self._no_events and self._no_events == len(self._event_received):
                self._async_event_result.set()

        event_sub = EventSubscriber(event_type="DeviceEvent", callback=consume_event)
        event_sub.start()
        self._event_subscribers.append(event_sub)

    def _stop_event_subscribers(self):
        """
        Stop event subscribers on cleanup.
        """
        log.info('cleanup: _stop_event_subscribers called.')
        for sub in self._event_subscribers:
            sub.stop()

    def _initialize_and_run(self):
        """
        Called explicitly by the tests that do regular operations.
        """
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)


    def _reset(self):
        """
        Set as a clean-up to make sure the agent is reset after each test,
        so the driver is stopped.
        """
        log.info("_reset called: sending 'reset' command to agent")
        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_01_initialize(self):
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_10_states(self):
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def _get_params(self, params):

        result = self._ia_client.get_param(params)
        log.info('_get_params result: %s' % str(result))

        self.assertTrue(isinstance(result, dict))

        if params == DriverParameter.ALL:
            all_requested_params = TrhphParameter.list()
        else:
            all_requested_params = params

        # check all requested params are in the result
        for p in all_requested_params:
            self.assertTrue(p in result)

            if TrhphParameter.TIME_BETWEEN_BURSTS == p:
                seconds = result.get(p)
                self.assertTrue(isinstance(seconds, int))
            elif TrhphParameter.VERBOSE_MODE == p:
                is_data_only = result.get(p)
                self.assertTrue(isinstance(is_data_only, bool))

        return result

    def test_15_get_params(self):
        self._initialize_and_run()

        self._get_params(DriverParameter.ALL)

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        p2 = TrhphParameter.VERBOSE_MODE
        self._get_params([p1, p2])

    def _set_params(self, params):
        """
        Sets the given parameters, which are assumed to be all valid.
        """
        result = self._ia_client.set_param(params)
        log.info("set result = %s" % str(result))

        if result is None:
            # TODO check why self._ia_client.set_param returns None
            return

        assert isinstance(result, dict)

        # check all requested params are in the result
        for (p, v) in params.items():
            self.assertTrue(p in result)

        return result

    def _get_verbose_flag_for_set_test(self):
        """
        Gets the value to use for the verbose flag in the "set" operations.
        If we are testing against the real instrument (self._is_real_instrument
        is true), this always returns False because the associated
        interfaces with verbose=True are not implemented yet.
        Otherwise it returns a random boolean value. Note, in this case, which
        means we are testing against the simulator, the actual verbose value
        does not have any effect of the other interface elements, so it is ok
        to set any value here.
        TODO align this when the verbose flag is handled completely,
        both in the driver and in the simulator.
        """
        if self._is_real_instrument:
            log.info("setting verbose=False because _is_real_instrument")
            return False
        else:
            return 0 == random.randint(0, 1)

    def test_20_set_params_valid(self):
        self._initialize_and_run()

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        new_seconds = random.randint(15, 60)

        p2 = TrhphParameter.VERBOSE_MODE
        verbose = self._get_verbose_flag_for_set_test()

        valid_params = {p1: new_seconds, p2: verbose}

        self._set_params(valid_params)

    def test_25_get_set_params(self):
        self._initialize_and_run()

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        result = self._get_params([p1])
        seconds = result[p1]
        new_seconds = seconds + 5
        if new_seconds > 30 or new_seconds < 15:
            new_seconds = 15

        p2 = TrhphParameter.VERBOSE_MODE
        new_verbose = self._get_verbose_flag_for_set_test()

        valid_params = {p1: new_seconds, p2: new_verbose}

        log.info("setting: %s" % str(valid_params))

        self._set_params(valid_params)

        result = self._get_params([p1, p2])

        seconds = result[p1]
        self.assertEqual(seconds, new_seconds)

        verbose = result[p2]
        self.assertEqual(verbose, new_verbose)

    def test_60_execute_stop_autosample(self):
        self._initialize_and_run()

        log.info("stopping autosample")
        cmd = AgentCommand(command='stop_autosample',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("stop_autosample reply = %s" % str(reply))

    def test_70_execute_get_metadata(self):
        self._initialize_and_run()

        log.info("getting metadata")
        cmd = AgentCommand(command='get_metadata',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("get_metadata reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, dict))

    def test_80_execute_diagnostics(self):
        self._initialize_and_run()

        log.info("executing diagnostics")
        num_scans = 11
        cmd = AgentCommand(command='diagnostics',
                           kwargs=dict(num_scans=num_scans, timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("diagnostics reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, list))
        self.assertEqual(len(reply.result), num_scans)

    def test_90_execute_get_power_statuses(self):
        self._initialize_and_run()

        log.info("executing get_power_statuses")
        cmd = AgentCommand(command='get_power_statuses',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("get_power_statuses reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, dict))

    def test_99_execute_start_autosample(self):
        self._initialize_and_run()

        log.info("executing start_autosample")
        cmd = AgentCommand(command='start_autosample',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("start_autosample reply = %s" % str(reply))

    @unittest.skip('Not running after code updates in other places')
    def test_get_params_invalid(self):
        self._initialize_and_run()
        with self.assertRaises(InstParameterError):
            self._get_params(['bad-param'])

    @unittest.skip('Not running after code updates in other places')
    def test_set_params_invalid(self):
        self._initialize_and_run()
        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        new_seconds = random.randint(15, 60)
        invalid_params = {p1: new_seconds, "bad-param": "dummy-value"}
        with self.assertRaises(InstParameterError):
            self._set_params(invalid_params)
Пример #3
0
class ExternalDatasetAgentTestBase(object):

    # Agent parameters.
    EDA_RESOURCE_ID = '123xyz'
    EDA_NAME = 'ExampleEDA'
    EDA_MOD = 'ion.agents.data.external_dataset_agent'
    EDA_CLS = 'ExternalDatasetAgent'
    """
    Test cases for instrument agent class. Functions in this class provide
    instrument agent integration tests and provide a tutorial on use of
    the agent setup and interface.
    """
    def setUp(self):
        """
        Initialize test members.
        """

        #        log.warn('Starting the container')
        # Start container.
        self._start_container()

        # Bring up services in a deploy file
        #        log.warn('Starting the rel')
        self.container.start_rel_from_url('res/deploy/r2deploy.yml')

        # Create a pubsub client to create streams.
        #        log.warn('Init a pubsub client')
        self._pubsub_client = PubsubManagementServiceClient(
            node=self.container.node)
        #        log.warn('Init a ContainerAgentClient')
        self._container_client = ContainerAgentClient(node=self.container.node,
                                                      name=self.container.name)

        # Data async and subscription  TODO: Replace with new subscriber
        self._finished_count = None
        #TODO: Switch to gevent.queue.Queue
        self._async_finished_result = AsyncResult()
        self._finished_events_received = []
        self._finished_event_subscriber = None
        self._start_finished_event_subscriber()
        self.addCleanup(self._stop_finished_event_subscriber)

        # TODO: Finish dealing with the resources and whatnot
        # TODO: DVR_CONFIG and (potentially) stream_config could both be reconfigured in self._setup_resources()
        self._setup_resources()

        #TG: Setup/configure the granule logger to log granules as they're published

        # Create agent config.
        agent_config = {
            'driver_config': self.DVR_CONFIG,
            'stream_config': {},
            'agent': {
                'resource_id': self.EDA_RESOURCE_ID
            },
            'test_mode': True
        }

        # Start instrument agent.
        self._ia_pid = None
        log.debug('TestInstrumentAgent.setup(): starting EDA.')
        self._ia_pid = self._container_client.spawn_process(
            name=self.EDA_NAME,
            module=self.EDA_MOD,
            cls=self.EDA_CLS,
            config=agent_config)
        log.info('Agent pid=%s.', str(self._ia_pid))

        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = None
        self._ia_client = ResourceAgentClient(self.EDA_RESOURCE_ID,
                                              process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))

    ########################################
    # Private "setup" functions
    ########################################

    def _setup_resources(self):
        raise NotImplementedError(
            '_setup_resources must be implemented in the subclass')

    def create_stream_and_logger(self, name, stream_id=''):
        if not stream_id or stream_id is '':
            stream_id = self._pubsub_client.create_stream(name=name,
                                                          encoding='ION R2')

        pid = self._container_client.spawn_process(
            name=name + '_logger',
            module='ion.processes.data.stream_granule_logger',
            cls='StreamGranuleLogger',
            config={'process': {
                'stream_id': stream_id
            }})
        log.info(
            'Started StreamGranuleLogger \'{0}\' subscribed to stream_id={1}'.
            format(pid, stream_id))

        return stream_id

    def _start_finished_event_subscriber(self):
        def consume_event(*args, **kwargs):
            if args[0].description == 'TestingFinished':
                log.debug('TestingFinished event received')
                self._finished_events_received.append(args[0])
                if self._finished_count and self._finished_count == len(
                        self._finished_events_received):
                    log.debug('Finishing test...')
                    self._async_finished_result.set(
                        len(self._finished_events_received))
                    log.debug(
                        'Called self._async_finished_result.set({0})'.format(
                            len(self._finished_events_received)))

        self._finished_event_subscriber = EventSubscriber(
            event_type='DeviceEvent', callback=consume_event)
        self._finished_event_subscriber.activate()

    def _stop_finished_event_subscriber(self):
        if self._finished_event_subscriber:
            self._finished_event_subscriber.deactivate()
            self._finished_event_subscriber = None

    ########################################
    # Custom assertion functions
    ########################################

    def assertListsEqual(self, lst1, lst2):
        lst1.sort()
        lst2.sort()
        return lst1 == lst2

    def assertSampleDict(self, val):
        """
        Verify the value is a sample dictionary for the sbe37.
        """
        #{'p': [-6.945], 'c': [0.08707], 't': [20.002], 'time': [1333752198.450622]}
        self.assertTrue(isinstance(val, dict))
        self.assertTrue(val.has_key('c'))
        self.assertTrue(val.has_key('t'))
        self.assertTrue(val.has_key('p'))
        self.assertTrue(val.has_key('time'))
        c = val['c'][0]
        t = val['t'][0]
        p = val['p'][0]
        time = val['time'][0]

        self.assertTrue(isinstance(c, float))
        self.assertTrue(isinstance(t, float))
        self.assertTrue(isinstance(p, float))
        self.assertTrue(isinstance(time, float))

    def assertParamDict(self, pd, all_params=False):
        """
        Verify all device parameters exist and are correct type.
        """
        if all_params:
            self.assertEqual(set(pd.keys()), set(PARAMS.keys()))
            for (key, type_val) in PARAMS.iteritems():
                if type_val == list or type_val == tuple:
                    self.assertTrue(isinstance(pd[key], (list, tuple)))
                else:
                    self.assertTrue(isinstance(pd[key], type_val))

        else:
            for (key, val) in pd.iteritems():
                self.assertTrue(PARAMS.has_key(key))
                self.assertTrue(isinstance(val, PARAMS[key]))

    def assertParamVals(self, params, correct_params):
        """
        Verify parameters take the correct values.
        """
        self.assertEqual(set(params.keys()), set(correct_params.keys()))
        for (key, val) in params.iteritems():
            correct_val = correct_params[key]
            if isinstance(val, float):
                # Verify to 5% of the larger value.
                max_val = max(abs(val), abs(correct_val))
                self.assertAlmostEqual(val, correct_val, delta=max_val * .01)

            elif isinstance(val, (list, tuple)):
                # list of tuple.
                self.assertEqual(list(val), list(correct_val))

            else:
                # int, bool, str.
                self.assertEqual(val, correct_val)

    ########################################
    # Test functions
    ########################################

    def test_acquire_data(self):
        cmd = AgentCommand(command='initialize')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='go_active')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='run')
        _ = self._ia_client.execute_agent(cmd)

        self._finished_count = 3

        log.info('Send an unconstrained request for data (\'new data\')')
        cmd = AgentCommand(command='acquire_data')
        self._ia_client.execute(cmd)

        log.info(
            'Send a second unconstrained request for data (\'new data\'), should be rejected'
        )
        cmd = AgentCommand(command='acquire_data')
        self._ia_client.execute(cmd)

        config_mods = {}

        log.info(
            'Send a constrained request for data: constraints = HIST_CONSTRAINTS_1'
        )
        config_mods['stream_id'] = self.create_stream_and_logger(
            name='stream_id_for_historical_1')
        config_mods['constraints'] = self.HIST_CONSTRAINTS_1
        cmd = AgentCommand(command='acquire_data', args=[config_mods])
        self._ia_client.execute(cmd)

        log.info(
            'Send a second constrained request for data: constraints = HIST_CONSTRAINTS_2'
        )
        config_mods['stream_id'] = self.create_stream_and_logger(
            name='stream_id_for_historical_2')
        config_mods['constraints'] = self.HIST_CONSTRAINTS_2
        #        config={'stream_id':'second_historical','TESTING':True, 'constraints':self.HIST_CONSTRAINTS_2}
        cmd = AgentCommand(command='acquire_data', args=[config_mods])
        self._ia_client.execute(cmd)

        finished = self._async_finished_result.get(timeout=10)
        self.assertEqual(finished, self._finished_count)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_acquire_data_while_streaming(self):
        # Test instrument driver execute interface to start and stop streaming mode.
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the polling interval is appropriate for a test
        params = {'POLLING_INTERVAL': 5}
        self._ia_client.set_param(params)

        self._finished_count = 2

        # Begin streaming.
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        config = get_safe(self.DVR_CONFIG, 'dh_cfg', {})

        log.info(
            'Send a constrained request for data: constraints = HIST_CONSTRAINTS_1'
        )
        config['stream_id'] = self.create_stream_and_logger(
            name='stream_id_for_historical_1')
        config['constraints'] = self.HIST_CONSTRAINTS_1
        cmd = AgentCommand(command='acquire_data', args=[config])
        reply = self._ia_client.execute(cmd)
        self.assertNotEqual(reply.status, 660)

        gevent.sleep(12)

        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert that data was received
        self._async_finished_result.get(timeout=10)
        self.assertTrue(len(self._finished_events_received) >= 3)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_streaming(self):
        # Test instrument driver execute interface to start and stop streaming mode.
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the polling interval is appropriate for a test
        params = {'POLLING_INTERVAL': 5}
        self._ia_client.set_param(params)

        self._finished_count = 3

        # Begin streaming.
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        # Wait for some samples to roll in.
        gevent.sleep(12)

        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert that data was received
        self._async_finished_result.get(timeout=10)
        self.assertTrue(len(self._finished_events_received) >= 3)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_observatory(self):
        # Test instrument driver get and set interface.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Retrieve all resource parameters.
        reply = self._ia_client.get_param('DRIVER_PARAMETER_ALL')
        self.assertParamDict(reply, True)
        orig_config = reply

        ## Retrieve a subset of resource parameters.
        params = ['POLLING_INTERVAL']
        reply = self._ia_client.get_param(params)
        self.assertParamDict(reply)
        orig_params = reply

        # Set a subset of resource parameters.
        new_params = {
            'POLLING_INTERVAL': (orig_params['POLLING_INTERVAL'] * 2),
        }
        self._ia_client.set_param(new_params)
        check_new_params = self._ia_client.get_param(params)
        self.assertParamVals(check_new_params, new_params)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_get_set_param(self):
        cmd = AgentCommand(command='initialize')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='go_active')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='run')
        _ = self._ia_client.execute_agent(cmd)

        # Get a couple parameters
        retval = self._ia_client.get_param(
            ['POLLING_INTERVAL', 'PATCHABLE_CONFIG_KEYS'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval, dict))
        self.assertEqual(type(retval['POLLING_INTERVAL']), int)
        self.assertEqual(type(retval['PATCHABLE_CONFIG_KEYS']), list)

        # Attempt to get a parameter that doesn't exist
        log.debug('Try getting a non-existent parameter \'BAD_PARAM\'')
        self.assertRaises(InstParameterError, self._ia_client.get_param,
                          ['BAD_PARAM'])

        # Set the polling_interval to a new value, then get it to make sure it set properly
        self._ia_client.set_param({'POLLING_INTERVAL': 10})
        retval = self._ia_client.get_param(['POLLING_INTERVAL'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval, dict))
        self.assertEqual(retval['POLLING_INTERVAL'], 10)

        # Attempt to set a parameter that doesn't exist
        log.debug('Try setting a non-existent parameter \'BAD_PARAM\'')
        self.assertRaises(InstParameterError, self._ia_client.set_param,
                          {'BAD_PARAM': 'bad_val'})

        # Attempt to set one parameter that does exist, and one that doesn't
        self.assertRaises(InstParameterError, self._ia_client.set_param, {
            'POLLING_INTERVAL': 20,
            'BAD_PARAM': 'bad_val'
        })

        retval = self._ia_client.get_param(['POLLING_INTERVAL'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval, dict))
        self.assertEqual(retval['POLLING_INTERVAL'], 20)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_initialize(self):
        # Test agent initialize command. This causes creation of driver process and transition to inactive.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_states(self):
        # Test agent state transitions.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        self._finished_count = 1

        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        gevent.sleep(5)

        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        self._async_finished_result.get(timeout=5)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_capabilities(self):
        # Test the ability to retrieve agent and resource parameter and command capabilities.
        acmds = self._ia_client.get_capabilities(['AGT_CMD'])
        log.debug('Agent Commands: {0}'.format(acmds))
        acmds = [item[1] for item in acmds]
        self.assertListsEqual(acmds, AGT_CMDS.keys())
        apars = self._ia_client.get_capabilities(['AGT_PAR'])
        log.debug('Agent Parameters: {0}'.format(apars))

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        rcmds = self._ia_client.get_capabilities(['RES_CMD'])
        log.debug('Resource Commands: {0}'.format(rcmds))
        rcmds = [item[1] for item in rcmds]
        self.assertListsEqual(rcmds, CMDS.keys())

        rpars = self._ia_client.get_capabilities(['RES_PAR'])
        log.debug('Resource Parameters: {0}'.format(rpars))
        rpars = [item[1] for item in rpars]
        self.assertListsEqual(rpars, PARAMS.keys())

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_errors(self):
        # Test illegal behavior and replies.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        # Can't go active in unitialized state.
        # Status 660 is state error.
        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        log.info('GO ACTIVE CMD %s', str(retval))
        self.assertEquals(retval.status, 660)

        # Can't command driver in this state.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertEqual(reply.status, 660)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # 404 unknown agent command.
        cmd = AgentCommand(command='kiss_edward')
        retval = self._ia_client.execute_agent(cmd)
        self.assertEquals(retval.status, 404)

        # 670 unknown driver command.
        cmd = AgentCommand(command='acquire_sample_please')
        retval = self._ia_client.execute(cmd)
        self.assertEqual(retval.status, 670)

        # 630 Parameter error.
        self.assertRaises(InstParameterError, self._ia_client.get_param,
                          'bogus bogus')

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
class TestInstrumentAgentWithTrhph(TrhphTestCase, MiIntTestCase):
    """
    R2 instrument agent tests with the TRHPH driver.
    """
    def setUp(self):
        """
        Initialize test members.
        Start port agent.
        Start container and client.
        Start streams and subscribers.
        Start agent, client.
        """

        TrhphTestCase.setUp(self)

        self._support = DriverIntegrationTestSupport(DRV_MOD, DRV_CLS,
                                                     self.device_address,
                                                     self.device_port, DELIM,
                                                     WORK_DIR)
        # Start port agent, add stop to cleanup.
        self._pagent = None
        self._start_pagent()
        self.addCleanup(self._support.stop_pagent)

        # Start container.
        self._start_container()

        # Bring up services in a deploy file (no need to message)
        self.container.start_rel_from_url('res/deploy/r2deploy.yml')

        # Start data suscribers, add stop to cleanup.
        # Define stream_config.
        self._no_samples = None
        self._async_data_result = AsyncResult()
        self._data_greenlets = []
        self._stream_config = {}
        self._samples_received = []
        self._data_subscribers = []
        self._start_data_subscribers()
        self.addCleanup(self._stop_data_subscribers)

        # Start event subscribers, add stop to cleanup.
        self._no_events = None
        self._async_event_result = AsyncResult()
        self._events_received = []
        self._event_subscribers = []
        self._start_event_subscribers()
        self.addCleanup(self._stop_event_subscribers)

        # Create agent config.
        agent_config = {
            'driver_config': DVR_CONFIG,
            'stream_config': self._stream_config,
            'agent': {
                'resource_id': IA_RESOURCE_ID
            },
            'test_mode': True
        }

        # Start instrument agent.
        self._ia_pid = None
        log.debug("TestInstrumentAgentWithTrhph.setup(): starting IA.")
        container_client = ContainerAgentClient(node=self.container.node,
                                                name=self.container.name)
        self._ia_pid = container_client.spawn_process(name=IA_NAME,
                                                      module=IA_MOD,
                                                      cls=IA_CLS,
                                                      config=agent_config)
        log.info('Agent pid=%s.', str(self._ia_pid))

        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = ResourceAgentClient(IA_RESOURCE_ID,
                                              process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))

        # make sure the driver is stopped
        self.addCleanup(self._reset)

    def addCleanup(self, f):
        MiIntTestCase.addCleanup(self, f)

    def tearDown(self):
        try:
            MiIntTestCase.tearDown(self)
        finally:
            TrhphTestCase.tearDown(self)

    def _start_pagent(self):
        """
        Construct and start the port agent.
        """
        port = self._support.start_pagent()

        # Configure driver to use port agent port number.
        DVR_CONFIG['comms_config'] = {'addr': 'localhost', 'port': port}

    def _start_data_subscribers(self):
        """
        """
        # Create a pubsub client to create streams.
        pubsub_client = PubsubManagementServiceClient(node=self.container.node)

        # A callback for processing subscribed-to data.
        def consume_data(message, headers):
            log.info('Subscriber received data message: %s.', str(message))
            self._samples_received.append(message)
            if self._no_samples and self._no_samples == len(
                    self._samples_received):
                self._async_data_result.set()

        # Create a stream subscriber registrar to create subscribers.
        subscriber_registrar = StreamSubscriberRegistrar(
            process=self.container, container=self.container)

        # Create streams and subscriptions for each stream named in driver.
        self._stream_config = {}
        self._data_subscribers = []
        for stream_name in PACKET_CONFIG:
            stream_def = ctd_stream_definition(stream_id=None)
            stream_def_id = pubsub_client.create_stream_definition(
                container=stream_def)
            stream_id = pubsub_client.create_stream(
                name=stream_name,
                stream_definition_id=stream_def_id,
                original=True,
                encoding='ION R2')

            taxy = get_taxonomy(stream_name)
            stream_config = dict(id=stream_id, taxonomy=taxy.dump())
            self._stream_config[stream_name] = stream_config

            # Create subscriptions for each stream.
            exchange_name = '%s_queue' % stream_name
            sub = subscriber_registrar.create_subscriber(
                exchange_name=exchange_name, callback=consume_data)
            self._listen(sub)
            self._data_subscribers.append(sub)
            query = StreamQuery(stream_ids=[stream_id])
            sub_id = pubsub_client.create_subscription(
                query=query,
                exchange_name=exchange_name,
                exchange_point='science_data')
            pubsub_client.activate_subscription(sub_id)

    def _listen(self, sub):
        """
        Pass in a subscriber here, this will make it listen in a background greenlet.
        """
        gl = spawn(sub.listen)
        self._data_greenlets.append(gl)
        sub._ready_event.wait(timeout=5)
        return gl

    def _stop_data_subscribers(self):
        """
        Stop the data subscribers on cleanup.
        """
        log.info('cleanup: _stop_data_subscribers called.')
        for sub in self._data_subscribers:
            sub.stop()
        for gl in self._data_greenlets:
            gl.kill()

    def _start_event_subscribers(self):
        """
        Create subscribers for agent and driver events.
        """
        def consume_event(*args, **kwargs):
            log.info('Test recieved ION event: args=%s, kwargs=%s, event=%s.',
                     str(args), str(kwargs), str(args[0]))
            self._events_received.append(args[0])
            if self._no_events and self._no_events == len(
                    self._event_received):
                self._async_event_result.set()

        event_sub = EventSubscriber(event_type="DeviceEvent",
                                    callback=consume_event)
        event_sub.start()
        self._event_subscribers.append(event_sub)

    def _stop_event_subscribers(self):
        """
        Stop event subscribers on cleanup.
        """
        log.info('cleanup: _stop_event_subscribers called.')
        for sub in self._event_subscribers:
            sub.stop()

    def _initialize_and_run(self):
        """
        Called explicitly by the tests that do regular operations.
        """
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

    def _reset(self):
        """
        Set as a clean-up to make sure the agent is reset after each test,
        so the driver is stopped.
        """
        log.info("_reset called: sending 'reset' command to agent")
        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_01_initialize(self):
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_10_states(self):
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_agent_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def _get_params(self, params):

        result = self._ia_client.get_param(params)
        log.info('_get_params result: %s' % str(result))

        self.assertTrue(isinstance(result, dict))

        if params == DriverParameter.ALL:
            all_requested_params = TrhphParameter.list()
        else:
            all_requested_params = params

        # check all requested params are in the result
        for p in all_requested_params:
            self.assertTrue(p in result)

            if TrhphParameter.TIME_BETWEEN_BURSTS == p:
                seconds = result.get(p)
                self.assertTrue(isinstance(seconds, int))
            elif TrhphParameter.VERBOSE_MODE == p:
                is_data_only = result.get(p)
                self.assertTrue(isinstance(is_data_only, bool))

        return result

    def test_15_get_params(self):
        self._initialize_and_run()

        self._get_params(DriverParameter.ALL)

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        p2 = TrhphParameter.VERBOSE_MODE
        self._get_params([p1, p2])

    def _set_params(self, params):
        """
        Sets the given parameters, which are assumed to be all valid.
        """
        result = self._ia_client.set_param(params)
        log.info("set result = %s" % str(result))

        if result is None:
            # TODO check why self._ia_client.set_param returns None
            return

        assert isinstance(result, dict)

        # check all requested params are in the result
        for (p, v) in params.items():
            self.assertTrue(p in result)

        return result

    def _get_verbose_flag_for_set_test(self):
        """
        Gets the value to use for the verbose flag in the "set" operations.
        If we are testing against the real instrument (self._is_real_instrument
        is true), this always returns False because the associated
        interfaces with verbose=True are not implemented yet.
        Otherwise it returns a random boolean value. Note, in this case, which
        means we are testing against the simulator, the actual verbose value
        does not have any effect of the other interface elements, so it is ok
        to set any value here.
        TODO align this when the verbose flag is handled completely,
        both in the driver and in the simulator.
        """
        if self._is_real_instrument:
            log.info("setting verbose=False because _is_real_instrument")
            return False
        else:
            return 0 == random.randint(0, 1)

    def test_20_set_params_valid(self):
        self._initialize_and_run()

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        new_seconds = random.randint(15, 60)

        p2 = TrhphParameter.VERBOSE_MODE
        verbose = self._get_verbose_flag_for_set_test()

        valid_params = {p1: new_seconds, p2: verbose}

        self._set_params(valid_params)

    def test_25_get_set_params(self):
        self._initialize_and_run()

        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        result = self._get_params([p1])
        seconds = result[p1]
        new_seconds = seconds + 5
        if new_seconds > 30 or new_seconds < 15:
            new_seconds = 15

        p2 = TrhphParameter.VERBOSE_MODE
        new_verbose = self._get_verbose_flag_for_set_test()

        valid_params = {p1: new_seconds, p2: new_verbose}

        log.info("setting: %s" % str(valid_params))

        self._set_params(valid_params)

        result = self._get_params([p1, p2])

        seconds = result[p1]
        self.assertEqual(seconds, new_seconds)

        verbose = result[p2]
        self.assertEqual(verbose, new_verbose)

    def test_60_execute_stop_autosample(self):
        self._initialize_and_run()

        log.info("stopping autosample")
        cmd = AgentCommand(command='stop_autosample',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("stop_autosample reply = %s" % str(reply))

    def test_70_execute_get_metadata(self):
        self._initialize_and_run()

        log.info("getting metadata")
        cmd = AgentCommand(command='get_metadata',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("get_metadata reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, dict))

    def test_80_execute_diagnostics(self):
        self._initialize_and_run()

        log.info("executing diagnostics")
        num_scans = 11
        cmd = AgentCommand(command='diagnostics',
                           kwargs=dict(num_scans=num_scans,
                                       timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("diagnostics reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, list))
        self.assertEqual(len(reply.result), num_scans)

    def test_90_execute_get_power_statuses(self):
        self._initialize_and_run()

        log.info("executing get_power_statuses")
        cmd = AgentCommand(command='get_power_statuses',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("get_power_statuses reply = %s" % str(reply))
        self.assertTrue(isinstance(reply.result, dict))

    def test_99_execute_start_autosample(self):
        self._initialize_and_run()

        log.info("executing start_autosample")
        cmd = AgentCommand(command='start_autosample',
                           kwargs=dict(timeout=self._timeout))
        reply = self._ia_client.execute(cmd)
        log.info("start_autosample reply = %s" % str(reply))

    @unittest.skip('Not running after code updates in other places')
    def test_get_params_invalid(self):
        self._initialize_and_run()
        with self.assertRaises(InstParameterError):
            self._get_params(['bad-param'])

    @unittest.skip('Not running after code updates in other places')
    def test_set_params_invalid(self):
        self._initialize_and_run()
        p1 = TrhphParameter.TIME_BETWEEN_BURSTS
        new_seconds = random.randint(15, 60)
        invalid_params = {p1: new_seconds, "bad-param": "dummy-value"}
        with self.assertRaises(InstParameterError):
            self._set_params(invalid_params)
Пример #5
0
class TestInstrumentAgent(IonIntegrationTestCase):
    """
    Test cases for instrument agent class. Functions in this class provide
    instrument agent integration tests and provide a tutorial on use of
    the agent setup and interface.
    """ 
    def setUp(self):
        """
        Initialize test members.
        Start port agent.
        Start container and client.
        Start streams and subscribers.
        Start agent, client.
        """
                
        self._support = DriverIntegrationTestSupport(DRV_MOD,
                                                     DRV_CLS,
                                                     DEV_ADDR,
                                                     DEV_PORT,
                                                     DELIM,
                                                     WORK_DIR)
        # Start port agent, add stop to cleanup.
        self._pagent = None        
        self._start_pagent()
        self.addCleanup(self._support.stop_pagent)    
        
        # Start container.
        self._start_container()
        
        # Bring up services in a deploy file (no need to message)
        self.container.start_rel_from_url('res/deploy/r2dm.yml')

        # Start data suscribers, add stop to cleanup.
        # Define stream_config.
        self._no_samples = None
        self._async_data_result = AsyncResult()
        self._data_greenlets = []
        self._stream_config = {}
        self._samples_received = []
        self._data_subscribers = []
        self._start_data_subscribers()
        self.addCleanup(self._stop_data_subscribers)

        # Start event subscribers, add stop to cleanup.
        self._no_events = None
        self._async_event_result = AsyncResult()
        self._events_received = []
        self._event_subscribers = []
        self._start_event_subscribers()
        self.addCleanup(self._stop_event_subscribers)
                
        # Create agent config.
        agent_config = {
            'driver_config' : DVR_CONFIG,
            'stream_config' : self._stream_config,
            'agent'         : {'resource_id': IA_RESOURCE_ID},
            'test_mode' : True
        }
        
        # Start instrument agent.
        self._ia_pid = None
        log.debug("TestInstrumentAgent.setup(): starting IA.")
        container_client = ContainerAgentClient(node=self.container.node,
                                                name=self.container.name)
        self._ia_pid = container_client.spawn_process(name=IA_NAME,
                                                      module=IA_MOD, 
                                                      cls=IA_CLS, 
                                                      config=agent_config)      
        log.info('Agent pid=%s.', str(self._ia_pid))
        
        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = None
        self._ia_client = ResourceAgentClient(IA_RESOURCE_ID, process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))        
        
    def _start_pagent(self):
        """
        Construct and start the port agent.
        """
        port = self._support.start_pagent()
        
        # Configure driver to use port agent port number.
        DVR_CONFIG['comms_config'] = {
            'addr' : 'localhost',
            'port' : port
        }
        
    def _start_data_subscribers(self):
        """
        """
        # Create a pubsub client to create streams.
        pubsub_client = PubsubManagementServiceClient(node=self.container.node)

        # A callback for processing subscribed-to data.
        def consume_data(message, headers):
            log.info('Subscriber received data message: %s.', str(message))
            self._samples_received.append(message)
            if self._no_samples and self._no_samples == len(self._samples_received):
                self._async_data_result.set()
                
        # Create a stream subscriber registrar to create subscribers.
        subscriber_registrar = StreamSubscriberRegistrar(process=self.container,
                                                node=self.container.node)

        # Create streams and subscriptions for each stream named in driver.
        self._stream_config = {}
        self._data_subscribers = []
        for (stream_name, val) in PACKET_CONFIG.iteritems():
            stream_def = ctd_stream_definition(stream_id=None)
            stream_def_id = pubsub_client.create_stream_definition(
                                                    container=stream_def)        
            stream_id = pubsub_client.create_stream(
                        name=stream_name,
                        stream_definition_id=stream_def_id,
                        original=True,
                        encoding='ION R2')
            self._stream_config[stream_name] = stream_id
            
            # Create subscriptions for each stream.
            exchange_name = '%s_queue' % stream_name
            sub = subscriber_registrar.create_subscriber(exchange_name=exchange_name,
                                                         callback=consume_data)
            self._listen(sub)
            self._data_subscribers.append(sub)
            query = StreamQuery(stream_ids=[stream_id])
            sub_id = pubsub_client.create_subscription(\
                                query=query, exchange_name=exchange_name)
            pubsub_client.activate_subscription(sub_id)
            
    def _listen(self, sub):
        """
        Pass in a subscriber here, this will make it listen in a background greenlet.
        """
        gl = spawn(sub.listen)
        self._data_greenlets.append(gl)
        sub._ready_event.wait(timeout=5)
        return gl
                                 
    def _stop_data_subscribers(self):
        """
        Stop the data subscribers on cleanup.
        """
        for sub in self._data_subscribers:
            sub.stop()
        for gl in self._data_greenlets:
            gl.kill()
            
    def _start_event_subscribers(self):
        """
        Create subscribers for agent and driver events.
        """
        def consume_event(*args, **kwargs):
            log.info('Test recieved ION event: args=%s, kwargs=%s, event=%s.', 
                     str(args), str(kwargs), str(args[0]))
            self._events_received.append(args[0])
            if self._no_events and self._no_events == len(self._event_received):
                self._async_event_result.set()
                
        event_sub = EventSubscriber(event_type="DeviceEvent", callback=consume_event)
        event_sub.activate()
        self._event_subscribers.append(event_sub)
        
    def _stop_event_subscribers(self):
        """
        Stop event subscribers on cleanup.
        """
        for sub in self._event_subscribers:
            sub.deactivate()
        
    def assertSampleDict(self, val):
        """
        Verify the value is a sample dictionary for the sbe37.
        """
        #{'p': [-6.945], 'c': [0.08707], 't': [20.002], 'time': [1333752198.450622]}        
        self.assertTrue(isinstance(val, dict))
        self.assertTrue(val.has_key('c'))
        self.assertTrue(val.has_key('t'))
        self.assertTrue(val.has_key('p'))
        self.assertTrue(val.has_key('time'))
        c = val['c'][0]
        t = val['t'][0]
        p = val['p'][0]
        time = val['time'][0]
    
        self.assertTrue(isinstance(c, float))
        self.assertTrue(isinstance(t, float))
        self.assertTrue(isinstance(p, float))
        self.assertTrue(isinstance(time, float))

    def assertParamDict(self, pd, all_params=False):
        """
        Verify all device parameters exist and are correct type.
        """
        if all_params:
            self.assertEqual(set(pd.keys()), set(PARAMS.keys()))
            for (key, type_val) in PARAMS.iteritems():
                if type_val == list or type_val == tuple:
                    self.assertTrue(isinstance(pd[key], (list, tuple)))
                else:
                    self.assertTrue(isinstance(pd[key], type_val))
                    
        else:
            for (key, val) in pd.iteritems():
                self.assertTrue(PARAMS.has_key(key))
                self.assertTrue(isinstance(val, PARAMS[key]))
    
    def assertParamVals(self, params, correct_params):
        """
        Verify parameters take the correct values.
        """
        self.assertEqual(set(params.keys()), set(correct_params.keys()))
        for (key, val) in params.iteritems():
            correct_val = correct_params[key]
            if isinstance(val, float):
                # Verify to 5% of the larger value.
                max_val = max(abs(val), abs(correct_val))
                self.assertAlmostEqual(val, correct_val, delta=max_val*.01)

            elif isinstance(val, (list, tuple)):
                # list of tuple.
                self.assertEqual(list(val), list(correct_val))
            
            else:
                # int, bool, str.
                self.assertEqual(val, correct_val)

    def test_initialize(self):
        """
        Test agent initialize command. This causes creation of
        driver process and transition to inactive.
        """

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
                
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
    def test_states(self):
        """
        Test agent state transitions.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
                
        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)
 
        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
 
        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_get_set(self):
        """
        Test instrument driver get and set interface.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Retrieve all resource parameters.                
        reply = self._ia_client.get_param(SBE37Parameter.ALL)
        self.assertParamDict(reply, True)
        orig_config = reply
        
        # Retrieve a subset of resource parameters.
        params = [
            SBE37Parameter.TA0,
            SBE37Parameter.INTERVAL,
            SBE37Parameter.STORETIME
        ]
        reply = self._ia_client.get_param(params)
        self.assertParamDict(reply)
        orig_params = reply

        # Set a subset of resource parameters.
        new_params = {
            SBE37Parameter.TA0 : (orig_params[SBE37Parameter.TA0] * 2),
            SBE37Parameter.INTERVAL : (orig_params[SBE37Parameter.INTERVAL] + 1),
            SBE37Parameter.STORETIME : (not orig_params[SBE37Parameter.STORETIME])
        }
        self._ia_client.set_param(new_params)
        check_new_params = self._ia_client.get_param(params)
        self.assertParamVals(check_new_params, new_params)
        
        # Reset the parameters back to their original values.
        self._ia_client.set_param(orig_params)
        reply = self._ia_client.get_param(SBE37Parameter.ALL)
        reply.pop(SBE37Parameter.SAMPLENUM)
        orig_config.pop(SBE37Parameter.SAMPLENUM)
        self.assertParamVals(reply, orig_config)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_poll(self):
        """
        Test observatory polling function.
        """
        
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)
        
        # Lets get 3 samples.
        self._no_samples = 3
        
        # Poll for a few samples.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)        

        # Assert we got 3 samples.
        self._async_data_result.get(timeout=10)
        self.assertTrue(len(self._samples_received)==3)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)        
        
    def test_autosample(self):
        """
        Test instrument driver execute interface to start and stop streaming
        mode.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the sampling rate and transmission are sane.                
        params = {
            SBE37Parameter.NAVG : 1,
            SBE37Parameter.INTERVAL : 5,
            SBE37Parameter.TXREALTIME : True
        }
        self._ia_client.set_param(params)

        self._no_samples = 2

        # Begin streaming.                
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)
 
        # Wait for some samples to roll in.
        gevent.sleep(15)
 
        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert we got some samples.
        self._async_data_result.get(timeout=10)
        self.assertTrue(len(self._samples_received)>=2)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_capabilities(self):
        """
        Test the ability to retrieve agent and resource parameter and command
        capabilities.
        """
        acmds = self._ia_client.get_capabilities(['AGT_CMD'])
        acmds = [item[1] for item in acmds]
        self.assertEqual(acmds, AGT_CMDS)
        apars = self._ia_client.get_capabilities(['AGT_PAR'])
        apars = [item[1] for item in apars]
        
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)
        
        rcmds = self._ia_client.get_capabilities(['RES_CMD'])
        rcmds = [item[1] for item in rcmds]
        self.assertEqual(rcmds, CMDS)
        
        rpars = self._ia_client.get_capabilities(['RES_PAR'])
        rpars = [item[1] for item in rpars]
        self.assertEqual(rpars, SBE37Parameter.list())
                
        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
    @unittest.skip('Never written')
    def test_errors(self):
        """
        Test illegal behavior and replies.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        # Can't go active in unitialized state.
        # Status 660 is state error.
        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        log.info('GO ACTIVE CMD %s',str(retval))
        self.assertEquals(retval.status, 660)
        
        # Can't command driver in this state.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertEqual(reply.status, 660)
        
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # OK, I can do this now.        
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertSampleDict(reply.result)

        # 404 unknown agent command.
        cmd = AgentCommand(command='kiss_edward')
        retval = self._ia_client.execute_agent(cmd)
        self.assertEquals(retval.status, 404)
        
        # 670 unknown driver command.
        cmd = AgentCommand(command='acquire_sample_please')
        retval = self._ia_client.execute(cmd)
        self.assertEqual(retval.status, 670)

        # 630 Parameter error.
        with self.assertRaises(InstParameterError):
            reply = self._ia_client.get_param('bogus bogus')

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
        
        
    @unittest.skip('Direct access test to be finished by adding the telnet client, manual for now.')
    def test_direct_access(self):
        """
        Test agent direct_access command. This causes creation of
        driver process and transition to direct access.
        """
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
    
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)
        
        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='go_direct_access', 
                           #kwargs={'session_type':DirectAccessTypes.telnet,
                           kwargs={'session_type':DirectAccessTypes.vsp,
                                   'session_timeout':600,
                                   'inactivity_timeout':600})
        retval = self._ia_client.execute_agent(cmd)
        print("go_direct_access retval=" + str(retval))       
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.DIRECT_ACCESS)

        # sleep to let tester run telnet client manually
        print "test sleeping to run telnet client"
        time.sleep(60)

        # Halt DA.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)
Пример #6
0
class TestInstrumentAgent(IonIntegrationTestCase):
    """
    Test cases for instrument agent class. Functions in this class provide
    instrument agent integration tests and provide a tutorial on use of
    the agent setup and interface.
    """

    def setUp(self):
        """
        Setup the test environment to exersice use of instrumet agent, including:
        * define driver_config parameters.
        * create container with required services and container client.
        * create publication stream ids for each driver data stream.
        * create stream_config parameters.
        * create and activate subscriptions for agent data streams.
        * spawn instrument agent process and create agent client.
        * add cleanup functions to cause subscribers to get stopped.
        """
        
        # Names of agent data streams to be configured.
        parsed_stream_name = 'ctd_parsed'        
        raw_stream_name = 'ctd_raw'        

        # Driver configuration.
        self.driver_config = {
            'svr_addr': 'localhost',
            'cmd_port': 5556,
            'evt_port': 5557,
            'dvr_mod': 'ion.services.mi.drivers.sbe37_driver',
            'dvr_cls': 'SBE37Driver',
            'comms_config': {
                SBE37Channel.CTD: {
                    'method':'ethernet',
                    'device_addr': '137.110.112.119',
                    'device_port': 4001,
                    'server_addr': 'localhost',
                    'server_port': 8888
                }                
            },
            'packet_config' : {
                parsed_stream_name : ('prototype.sci_data.ctd_stream',
                                'ctd_stream_packet'),
                raw_stream_name : None
            }
        }

        # Start container.
        self._start_container()

        # Establish endpoint with container.
        self._container_client = ContainerAgentClient(node=self.container.node,
                                                      name=self.container.name)
        
        # Bring up services in a deploy file.        
        self._container_client.start_rel_from_url('res/deploy/r2dm.yml')

        # Create a pubsub client to create streams.
        self._pubsub_client = PubsubManagementServiceClient(
                                                    node=self.container.node)

        # Create parsed stream. The stream name must match one
        # used by the driver to label packet data.
        parsed_stream_def = ctd_stream_definition(stream_id=None)
        parsed_stream_def_id = self._pubsub_client.create_stream_definition(
                                                    container=parsed_stream_def)        
        parsed_stream_id = self._pubsub_client.create_stream(
                        name=parsed_stream_name,
                        stream_definition_id=parsed_stream_def_id,
                        original=True,
                        encoding='ION R2')

        # Create raw stream. The stream name must match one used by the
        # driver to label packet data. This stream does not yet have a
        # packet definition so will not be published.
        raw_stream_def = ctd_stream_definition(stream_id=None)
        raw_stream_def_id = self._pubsub_client.create_stream_definition(
                                                    container=raw_stream_def)        
        raw_stream_id = self._pubsub_client.create_stream(name=raw_stream_name,
                        stream_definition_id=raw_stream_def_id,
                        original=True,
                        encoding='ION R2')
        
        # Define stream configuration.
        self.stream_config = {
            parsed_stream_name : parsed_stream_id,
            raw_stream_name : raw_stream_id
        }

        # A callback for processing subscribed-to data.
        def consume(message, headers):
            log.info('Subscriber received message: %s', str(message))

        # Create a stream subscriber registrar to create subscribers.
        subscriber_registrar = StreamSubscriberRegistrar(process=self.container,
                                                node=self.container.node)

        # Create and activate parsed data subscription.
        parsed_sub = subscriber_registrar.create_subscriber(exchange_name=\
                                            'parsed_queue', callback=consume)
        parsed_sub.start()
        parsed_query = StreamQuery(stream_ids=[parsed_stream_id])
        parsed_sub_id = self._pubsub_client.create_subscription(\
                            query=parsed_query, exchange_name='parsed_queue')
        self._pubsub_client.activate_subscription(parsed_sub_id)

        # Create and activate raw data subscription.
        raw_sub = subscriber_registrar.create_subscriber(exchange_name=\
                                                'raw_queue', callback=consume)
        raw_sub.start()
        raw_query = StreamQuery(stream_ids=[raw_stream_id])
        raw_sub_id = self._pubsub_client.create_subscription(\
                            query=raw_query, exchange_name='raw_queue')
        self._pubsub_client.activate_subscription(raw_sub_id)

        # Create agent config.
        self.agent_config = {
            'driver_config' : self.driver_config,
            'stream_config' : self.stream_config
        }

        # Launch an instrument agent process.
        self._ia_name = 'agent007'
        self._ia_mod = 'ion.services.mi.instrument_agent'
        self._ia_class = 'InstrumentAgent'
        self._ia_pid = self._container_client.spawn_process(name=self._ia_name,
                                       module=self._ia_mod, cls=self._ia_class,
                                       config=self.agent_config)      
        log.info('got pid=%s', str(self._ia_pid))
        
        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = ResourceAgentClient('123xyz', name=self._ia_pid,
                                              process=FakeProcess())
        log.info('got ia client %s', str(self._ia_client))        
        
        # Add cleanup function to stop subscribers.        
        def stop_subscriber(sub_list):
            for sub in sub_list:
                sub.stop()            
        self.addCleanup(stop_subscriber, [parsed_sub, raw_sub])
                
    def test_initialize(self):
        """
        Test agent initialize command. This causes creation of
        driver process and transition to inactive.
        """
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)        
        time.sleep(2)
        
        caps = self._ia_client.get_capabilities()
        log.info('Capabilities: %s',str(caps))
        
        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)

    def test_go_active(self):
        """
        Test agent go_active command. This causes a driver process to
        launch a connection broker, connect to device hardware, determine
        entry state of driver and intialize driver parameters.
        """
        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)        
        time.sleep(2)
        
        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='go_inactive')
        retval = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        time.sleep(2)

    def test_get_set(self):
        """
        Test instrument driver resource get/set interface. This tests
        getting and setting driver reousrce paramters in various syntaxes and
        validates results including persistence on device hardware.
        """
        cmd = AgentCommand(command='initialize')
        reply = self._ia_client.execute_agent(cmd)        
        time.sleep(2)
        
        cmd = AgentCommand(command='go_active')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='run')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        get_params = [
            (SBE37Channel.CTD, SBE37Parameter.ALL)            
        ]
        reply = self._ia_client.get_param(get_params)
        time.sleep(2)

        self.assertIsInstance(reply, dict)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TA2)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)], (tuple, list))

        # Set up a param dict of the original values.
        old_ta2 = reply[(SBE37Channel.CTD, SBE37Parameter.TA2)]
        old_ptca1 = reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)]
        old_tcaldate = reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)]

        orig_params = {
            (SBE37Channel.CTD, SBE37Parameter.TA2): old_ta2,
            (SBE37Channel.CTD, SBE37Parameter.PTCA1): old_ptca1,
            (SBE37Channel.CTD, SBE37Parameter.TCALDATE): old_tcaldate            
        }

        # Set up a param dict of new values.
        new_ta2 = old_ta2*2
        new_ptcal1 = old_ptca1*2
        new_tcaldate = list(old_tcaldate)
        new_tcaldate[2] = new_tcaldate[2] + 1
        
        new_params = {
            (SBE37Channel.CTD, SBE37Parameter.TA2): new_ta2,
            (SBE37Channel.CTD, SBE37Parameter.PTCA1): new_ptcal1,
            (SBE37Channel.CTD, SBE37Parameter.TCALDATE): new_tcaldate
        }

        # Set the params to their new values.
        reply = self._ia_client.set_param(new_params)
        time.sleep(2)

        # Check overall success and success of the individual paramters.
        self.assertIsInstance(reply, dict)
        
        # Get the same paramters back from the driver.
        get_params = [
            (SBE37Channel.CTD, SBE37Parameter.TA2),
            (SBE37Channel.CTD, SBE37Parameter.PTCA1),
            (SBE37Channel.CTD, SBE37Parameter.TCALDATE)
        ]
        reply = self._ia_client.get_param(get_params)
        time.sleep(2)

        # Check success, and check that the parameters were set to the
        # new values.
        self.assertIsInstance(reply, dict)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TA2)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)], (tuple, list))
        self.assertAlmostEqual(reply[(SBE37Channel.CTD, SBE37Parameter.TA2)], new_ta2, delta=abs(0.01*new_ta2))
        self.assertAlmostEqual(reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)], new_ptcal1, delta=abs(0.01*new_ptcal1))
        self.assertEqual(reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)], new_tcaldate)

        # Set the paramters back to their original values.        
        reply = self._ia_client.set_param(orig_params)
        self.assertIsInstance(reply, dict)

        # Get the parameters back from the driver.
        reply = self._ia_client.get_param(get_params)

        # Check overall and individual sucess, and that paramters were
        # returned to their original values.
        self.assertIsInstance(reply, dict)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TA2)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)], float)
        self.assertIsInstance(reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)], (tuple, list))
        self.assertAlmostEqual(reply[(SBE37Channel.CTD, SBE37Parameter.TA2)], old_ta2, delta=abs(0.01*old_ta2))
        self.assertAlmostEqual(reply[(SBE37Channel.CTD, SBE37Parameter.PTCA1)], old_ptca1, delta=abs(0.01*old_ptca1))
        self.assertEqual(reply[(SBE37Channel.CTD, SBE37Parameter.TCALDATE)], old_tcaldate)

        time.sleep(2)

        cmd = AgentCommand(command='go_inactive')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='reset')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

    def test_poll(self):
        """
        Test instrument driver resource execute interface to do polled
        sampling.
        """
        cmd = AgentCommand(command='initialize')
        reply = self._ia_client.execute_agent(cmd)        
        time.sleep(2)
        
        cmd = AgentCommand(command='go_active')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='run')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='go_inactive')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='reset')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)


    def test_autosample(self):
        """
        Test instrument driver execute interface to start and stop streaming
        mode.
        """
        cmd = AgentCommand(command='initialize')
        reply = self._ia_client.execute_agent(cmd)        
        time.sleep(2)
        
        cmd = AgentCommand(command='go_active')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='run')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='go_streaming')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(30)
        
        cmd = AgentCommand(command='go_observatory')
        while True:
            reply = self._ia_client.execute_agent(cmd)
            result = reply.result
            if isinstance(result, dict):
                if all([val == None for val in result.values()]):
                    break
            time.sleep(2)
        time.sleep(2)
        
        cmd = AgentCommand(command='go_inactive')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)

        cmd = AgentCommand(command='reset')
        reply = self._ia_client.execute_agent(cmd)
        time.sleep(2)
class ExternalDatasetAgentTestBase(object):

    # Agent parameters.
    EDA_RESOURCE_ID = '123xyz'
    EDA_NAME = 'ExampleEDA'
    EDA_MOD = 'ion.agents.data.external_dataset_agent'
    EDA_CLS = 'ExternalDatasetAgent'


    """
    Test cases for instrument agent class. Functions in this class provide
    instrument agent integration tests and provide a tutorial on use of
    the agent setup and interface.
    """
    def setUp(self):
        """
        Initialize test members.
        """

#        log.warn('Starting the container')
        # Start container.
        self._start_container()

        # Bring up services in a deploy file
#        log.warn('Starting the rel')
        self.container.start_rel_from_url('res/deploy/r2deploy.yml')

        # Create a pubsub client to create streams.
#        log.warn('Init a pubsub client')
        self._pubsub_client = PubsubManagementServiceClient(node=self.container.node)
#        log.warn('Init a ContainerAgentClient')
        self._container_client = ContainerAgentClient(node=self.container.node, name=self.container.name)

        # Data async and subscription  TODO: Replace with new subscriber
        self._finished_count = None
        #TODO: Switch to gevent.queue.Queue
        self._async_finished_result = AsyncResult()
        self._finished_events_received = []
        self._finished_event_subscriber = None
        self._start_finished_event_subscriber()
        self.addCleanup(self._stop_finished_event_subscriber)

        # TODO: Finish dealing with the resources and whatnot
        # TODO: DVR_CONFIG and (potentially) stream_config could both be reconfigured in self._setup_resources()
        self._setup_resources()

        #TG: Setup/configure the granule logger to log granules as they're published

        # Create agent config.
        agent_config = {
            'driver_config' : self.DVR_CONFIG,
            'stream_config' : {},
            'agent'         : {'resource_id': self.EDA_RESOURCE_ID},
            'test_mode' : True
        }

        # Start instrument agent.
        self._ia_pid = None
        log.debug('TestInstrumentAgent.setup(): starting EDA.')
        self._ia_pid = self._container_client.spawn_process(
            name=self.EDA_NAME,
            module=self.EDA_MOD,
            cls=self.EDA_CLS,
            config=agent_config
        )
        log.info('Agent pid=%s.', str(self._ia_pid))

        # Start a resource agent client to talk with the instrument agent.
        self._ia_client = None
        self._ia_client = ResourceAgentClient(self.EDA_RESOURCE_ID, process=FakeProcess())
        log.info('Got ia client %s.', str(self._ia_client))

    ########################################
    # Private "setup" functions
    ########################################

    def _setup_resources(self):
        raise NotImplementedError('_setup_resources must be implemented in the subclass')

    def create_stream_and_logger(self, name, stream_id=''):
        if not stream_id or stream_id is '':
            stream_id = self._pubsub_client.create_stream(name=name, encoding='ION R2')

        pid = self._container_client.spawn_process(
            name=name+'_logger',
            module='ion.processes.data.stream_granule_logger',
            cls='StreamGranuleLogger',
            config={'process':{'stream_id':stream_id}}
        )
        log.info('Started StreamGranuleLogger \'{0}\' subscribed to stream_id={1}'.format(pid, stream_id))

        return stream_id

    def _start_finished_event_subscriber(self):

        def consume_event(*args,**kwargs):
            if args[0].description == 'TestingFinished':
                log.debug('TestingFinished event received')
                self._finished_events_received.append(args[0])
                if self._finished_count and self._finished_count == len(self._finished_events_received):
                    log.debug('Finishing test...')
                    self._async_finished_result.set(len(self._finished_events_received))
                    log.debug('Called self._async_finished_result.set({0})'.format(len(self._finished_events_received)))

        self._finished_event_subscriber = EventSubscriber(event_type='DeviceEvent', callback=consume_event)
        self._finished_event_subscriber.activate()

    def _stop_finished_event_subscriber(self):
        if self._finished_event_subscriber:
            self._finished_event_subscriber.deactivate()
            self._finished_event_subscriber = None


    ########################################
    # Custom assertion functions
    ########################################

    def assertListsEqual(self, lst1, lst2):
        lst1.sort()
        lst2.sort()
        return lst1 == lst2

    def assertSampleDict(self, val):
        """
        Verify the value is a sample dictionary for the sbe37.
        """
        #{'p': [-6.945], 'c': [0.08707], 't': [20.002], 'time': [1333752198.450622]}
        self.assertTrue(isinstance(val, dict))
        self.assertTrue(val.has_key('c'))
        self.assertTrue(val.has_key('t'))
        self.assertTrue(val.has_key('p'))
        self.assertTrue(val.has_key('time'))
        c = val['c'][0]
        t = val['t'][0]
        p = val['p'][0]
        time = val['time'][0]

        self.assertTrue(isinstance(c, float))
        self.assertTrue(isinstance(t, float))
        self.assertTrue(isinstance(p, float))
        self.assertTrue(isinstance(time, float))

    def assertParamDict(self, pd, all_params=False):
        """
        Verify all device parameters exist and are correct type.
        """
        if all_params:
            self.assertEqual(set(pd.keys()), set(PARAMS.keys()))
            for (key, type_val) in PARAMS.iteritems():
                if type_val == list or type_val == tuple:
                    self.assertTrue(isinstance(pd[key], (list, tuple)))
                else:
                    self.assertTrue(isinstance(pd[key], type_val))

        else:
            for (key, val) in pd.iteritems():
                self.assertTrue(PARAMS.has_key(key))
                self.assertTrue(isinstance(val, PARAMS[key]))

    def assertParamVals(self, params, correct_params):
        """
        Verify parameters take the correct values.
        """
        self.assertEqual(set(params.keys()), set(correct_params.keys()))
        for (key, val) in params.iteritems():
            correct_val = correct_params[key]
            if isinstance(val, float):
                # Verify to 5% of the larger value.
                max_val = max(abs(val), abs(correct_val))
                self.assertAlmostEqual(val, correct_val, delta=max_val*.01)

            elif isinstance(val, (list, tuple)):
                # list of tuple.
                self.assertEqual(list(val), list(correct_val))

            else:
                # int, bool, str.
                self.assertEqual(val, correct_val)


    ########################################
    # Test functions
    ########################################

    def test_acquire_data(self):
        cmd=AgentCommand(command='initialize')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='go_active')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='run')
        _ = self._ia_client.execute_agent(cmd)

        self._finished_count = 3

        log.info('Send an unconstrained request for data (\'new data\')')
        cmd = AgentCommand(command='acquire_data')
        self._ia_client.execute(cmd)

        log.info('Send a second unconstrained request for data (\'new data\'), should be rejected')
        cmd = AgentCommand(command='acquire_data')
        self._ia_client.execute(cmd)

        config_mods={}

        log.info('Send a constrained request for data: constraints = HIST_CONSTRAINTS_1')
        config_mods['stream_id'] = self.create_stream_and_logger(name='stream_id_for_historical_1')
        config_mods['constraints']=self.HIST_CONSTRAINTS_1
        cmd = AgentCommand(command='acquire_data', args=[config_mods])
        self._ia_client.execute(cmd)

        log.info('Send a second constrained request for data: constraints = HIST_CONSTRAINTS_2')
        config_mods['stream_id'] = self.create_stream_and_logger(name='stream_id_for_historical_2')
        config_mods['constraints']=self.HIST_CONSTRAINTS_2
#        config={'stream_id':'second_historical','TESTING':True, 'constraints':self.HIST_CONSTRAINTS_2}
        cmd = AgentCommand(command='acquire_data', args=[config_mods])
        self._ia_client.execute(cmd)

        finished = self._async_finished_result.get(timeout=10)
        self.assertEqual(finished,self._finished_count)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_acquire_data_while_streaming(self):
        # Test instrument driver execute interface to start and stop streaming mode.
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the polling interval is appropriate for a test
        params = {
            'POLLING_INTERVAL':5
        }
        self._ia_client.set_param(params)

        self._finished_count = 2

        # Begin streaming.
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        config = get_safe(self.DVR_CONFIG, 'dh_cfg', {})

        log.info('Send a constrained request for data: constraints = HIST_CONSTRAINTS_1')
        config['stream_id'] = self.create_stream_and_logger(name='stream_id_for_historical_1')
        config['constraints']=self.HIST_CONSTRAINTS_1
        cmd = AgentCommand(command='acquire_data', args=[config])
        reply = self._ia_client.execute(cmd)
        self.assertNotEqual(reply.status, 660)

        gevent.sleep(12)

        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert that data was received
        self._async_finished_result.get(timeout=10)
        self.assertTrue(len(self._finished_events_received) >= 3)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_streaming(self):
        # Test instrument driver execute interface to start and stop streaming mode.
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Make sure the polling interval is appropriate for a test
        params = {
            'POLLING_INTERVAL':5
        }
        self._ia_client.set_param(params)

        self._finished_count = 3

        # Begin streaming.
        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        # Wait for some samples to roll in.
        gevent.sleep(12)

        # Halt streaming.
        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Assert that data was received
        self._async_finished_result.get(timeout=10)
        self.assertTrue(len(self._finished_events_received) >= 3)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_observatory(self):
        # Test instrument driver get and set interface.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # Retrieve all resource parameters.
        reply = self._ia_client.get_param('DRIVER_PARAMETER_ALL')
        self.assertParamDict(reply, True)
        orig_config = reply

        ## Retrieve a subset of resource parameters.
        params = [
            'POLLING_INTERVAL'
        ]
        reply = self._ia_client.get_param(params)
        self.assertParamDict(reply)
        orig_params = reply

        # Set a subset of resource parameters.
        new_params = {
            'POLLING_INTERVAL' : (orig_params['POLLING_INTERVAL'] * 2),
        }
        self._ia_client.set_param(new_params)
        check_new_params = self._ia_client.get_param(params)
        self.assertParamVals(check_new_params, new_params)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_get_set_param(self):
        cmd=AgentCommand(command='initialize')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='go_active')
        _ = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='run')
        _ = self._ia_client.execute_agent(cmd)

        # Get a couple parameters
        retval = self._ia_client.get_param(['POLLING_INTERVAL','PATCHABLE_CONFIG_KEYS'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval,dict))
        self.assertEqual(type(retval['POLLING_INTERVAL']),int)
        self.assertEqual(type(retval['PATCHABLE_CONFIG_KEYS']),list)

        # Attempt to get a parameter that doesn't exist
        log.debug('Try getting a non-existent parameter \'BAD_PARAM\'')
        self.assertRaises(InstParameterError, self._ia_client.get_param,['BAD_PARAM'])

        # Set the polling_interval to a new value, then get it to make sure it set properly
        self._ia_client.set_param({'POLLING_INTERVAL':10})
        retval = self._ia_client.get_param(['POLLING_INTERVAL'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval,dict))
        self.assertEqual(retval['POLLING_INTERVAL'],10)

        # Attempt to set a parameter that doesn't exist
        log.debug('Try setting a non-existent parameter \'BAD_PARAM\'')
        self.assertRaises(InstParameterError, self._ia_client.set_param, {'BAD_PARAM':'bad_val'})

        # Attempt to set one parameter that does exist, and one that doesn't
        self.assertRaises(InstParameterError, self._ia_client.set_param, {'POLLING_INTERVAL':20,'BAD_PARAM':'bad_val'})

        retval = self._ia_client.get_param(['POLLING_INTERVAL'])
        log.debug('Retrieved parameters from agent: {0}'.format(retval))
        self.assertTrue(isinstance(retval,dict))
        self.assertEqual(retval['POLLING_INTERVAL'],20)

        cmd = AgentCommand(command='reset')
        _ = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_initialize(self):
        # Test agent initialize command. This causes creation of driver process and transition to inactive.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_states(self):
        # Test agent state transitions.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='resume')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        cmd = AgentCommand(command='pause')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STOPPED)

        cmd = AgentCommand(command='clear')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        self._finished_count = 1

        cmd = AgentCommand(command='go_streaming')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.STREAMING)

        gevent.sleep(5)

        cmd = AgentCommand(command='go_observatory')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        self._async_finished_result.get(timeout=5)

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_capabilities(self):
        # Test the ability to retrieve agent and resource parameter and command capabilities.
        acmds = self._ia_client.get_capabilities(['AGT_CMD'])
        log.debug('Agent Commands: {0}'.format(acmds))
        acmds = [item[1] for item in acmds]
        self.assertListsEqual(acmds, AGT_CMDS.keys())
        apars = self._ia_client.get_capabilities(['AGT_PAR'])
        log.debug('Agent Parameters: {0}'.format(apars))

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        rcmds = self._ia_client.get_capabilities(['RES_CMD'])
        log.debug('Resource Commands: {0}'.format(rcmds))
        rcmds = [item[1] for item in rcmds]
        self.assertListsEqual(rcmds, CMDS.keys())

        rpars = self._ia_client.get_capabilities(['RES_PAR'])
        log.debug('Resource Parameters: {0}'.format(rpars))
        rpars = [item[1] for item in rpars]
        self.assertListsEqual(rpars, PARAMS.keys())

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

    def test_errors(self):
        # Test illegal behavior and replies.

        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)

        # Can't go active in unitialized state.
        # Status 660 is state error.
        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        log.info('GO ACTIVE CMD %s',str(retval))
        self.assertEquals(retval.status, 660)

        # Can't command driver in this state.
        cmd = AgentCommand(command='acquire_sample')
        reply = self._ia_client.execute(cmd)
        self.assertEqual(reply.status, 660)

        cmd = AgentCommand(command='initialize')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.INACTIVE)

        cmd = AgentCommand(command='go_active')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.IDLE)

        cmd = AgentCommand(command='run')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.OBSERVATORY)

        # 404 unknown agent command.
        cmd = AgentCommand(command='kiss_edward')
        retval = self._ia_client.execute_agent(cmd)
        self.assertEquals(retval.status, 404)

        # 670 unknown driver command.
        cmd = AgentCommand(command='acquire_sample_please')
        retval = self._ia_client.execute(cmd)
        self.assertEqual(retval.status, 670)

        # 630 Parameter error.
        self.assertRaises(InstParameterError, self._ia_client.get_param, 'bogus bogus')

        cmd = AgentCommand(command='reset')
        retval = self._ia_client.execute_agent(cmd)
        cmd = AgentCommand(command='get_current_state')
        retval = self._ia_client.execute_agent(cmd)
        state = retval.result
        self.assertEqual(state, InstrumentAgentState.UNINITIALIZED)