def _new_transport(self, ch_number=None):
"""
Creates a new AMQPTransport with an underlying Pika channel.
"""
amq_chan = blocking_cb(self.client.channel,
'on_open_callback',
channel_number=ch_number)
if amq_chan is None:
log.error(
"AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s",
ch_number)
from pyon.container.cc import Container
if Container.instance is not None:
Container.instance.fail_fast(
"AMQCHAN IS NONE, messaging has failed", True)
raise StandardError(
"AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s"
% ch_number)
transport = AMQPTransport(amq_chan)
# return the pending in collection (lets this number be assigned again later)
self.client._pending.remove(transport.channel_number)
# by default, everything should have a prefetch count of 1 (configurable)
# this can be overridden by the channel get_n related methods
transport.qos_impl(prefetch_count=CFG.get_safe(
'container.messaging.endpoint.prefetch_count', 1))
return transport
def test__on_underlying_close_error(self, mocklog):
tp = AMQPTransport(Mock())
tp._on_underlying_close(404, sentinel.text)
self.assertEquals(mocklog.error.call_count, 1)
self.assertIn(sentinel.text, mocklog.error.call_args[0])
self.assertEquals(mocklog.debug.call_count, 0)
def test__sync_call_with_kwarg_rets(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam(sup=sentinel.val, sup2=sentinel.val2)
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertEquals(rv, {'sup': sentinel.val, 'sup2': sentinel.val2})
def test__on_underlying_close_error(self, mocklog):
tp = AMQPTransport(Mock())
tp._on_underlying_close(404, sentinel.text)
self.assertEquals(mocklog.error.call_count, 1)
self.assertIn(sentinel.text, mocklog.error.call_args[0])
self.assertEquals(mocklog.debug.call_count, 0)
def test__sync_call_with_ret_value(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam(sentinel.val)
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertEquals(rv, sentinel.val)
def test_close_while_locked(self):
tp = AMQPTransport(Mock())
tp.lock = True
tp.close()
self.assertEquals(tp._client.close.call_count, 0)
self.assertEquals(tp._client.callbacks.remove.call_count, 0)
def test__sync_call_with_mult_rets(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam(sentinel.val, sentinel.val2)
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertEquals(rv, (sentinel.val, sentinel.val2))
def test__sync_call_with_normal_and_kwarg_rets(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam(sentinel.arg, sup=sentinel.val, sup2=sentinel.val2)
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertEquals(rv, (sentinel.arg, {'sup':sentinel.val, 'sup2':sentinel.val2}))
def test__sync_call_no_ret_value(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam()
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertIsNone(rv)
def test_close_while_locked(self):
tp = AMQPTransport(Mock())
tp.lock = True
tp.close()
self.assertEquals(tp._client.close.call_count, 0)
self.assertEquals(tp._client.callbacks.remove.call_count, 0)
def test__sync_call_no_ret_value(self):
def async_func(*args, **kwargs):
cbparam = kwargs.get('callback')
cbparam()
tp = AMQPTransport(Mock())
rv = tp._sync_call(async_func, 'callback')
self.assertIsNone(rv)
def test__on_underlying_close(self, mocklog):
tp = AMQPTransport(Mock())
cb = Mock()
tp.add_on_close_callback(cb)
tp._on_underlying_close(200, sentinel.text)
cb.assert_called_once_with(tp, 200, sentinel.text)
self.assertEquals(mocklog.debug.call_count, 1)
self.assertIn(sentinel.text, mocklog.debug.call_args[0])
def accept(self, n=1, timeout=None):
"""
Accepts new connections for listening endpoints.
Can accept more than one message at at time before it returns a new channel back to the
caller. Optionally can specify a timeout - if n messages aren't received in that time,
will raise an Empty exception.
Sets the channel in the ACCEPTED state - caller is responsible for acking all messages
received on the returned channel in order to put this channel back in the CONSUMING
state.
"""
assert self._fsm.current_state in [
self.S_ACTIVE, self.S_CLOSED
], "Channel must be in active/closed state to accept, currently %s (forget to ack messages?)" % str(
self._fsm.current_state)
was_consuming = self._consuming
if not self._should_discard and not was_consuming:
# tune QOS to get exactly n messages
if not (self._queue_auto_delete
and self._transport is AMQPTransport.get_instance()):
self._transport.qos_impl(self._amq_chan, prefetch_count=n)
# start consuming
self.start_consume()
with self._recv_queue.await_n(n=n) as ar:
log.debug("accept: waiting for %s msgs, timeout=%s", n, timeout)
ar.get(timeout=timeout)
if not was_consuming:
# turn consuming back off if we already were off
if not (self._queue_auto_delete
and self._transport is AMQPTransport.get_instance()):
self.stop_consume()
else:
log.debug(
"accept should turn consume off, but queue is auto_delete and this would destroy the queue"
)
ms = [self.recv() for x in xrange(n)]
ch = self._create_accepted_channel(self._amq_chan, ms)
map(ch._recv_queue.put, ms)
# transition to ACCEPT
self._fsm.process(self.I_ENTER_ACCEPT)
# return the channel
return ch
def test_close(self):
client = Mock()
tp = AMQPTransport(client)
tp.close()
client.close.assert_called_once_with()
self.assertEquals(client.callbacks.remove.call_count, 4)
self.assertEquals(client.callbacks.remove.call_args_list, [call(client.channel_number, 'Basic.GetEmpty'),
call(client.channel_number, 'Channel.Close'),
call(client.channel_number, '_on_basic_deliver'),
call(client.channel_number, '_on_basic_get')])
def test_close(self):
client = Mock()
tp = AMQPTransport(client)
tp.close()
client.close.assert_called_once_with()
self.assertEquals(client.callbacks.remove.call_count, 4)
self.assertEquals(client.callbacks.remove.call_args_list, [
call(client.channel_number, 'Basic.GetEmpty'),
call(client.channel_number, 'Channel.Close'),
call(client.channel_number, '_on_basic_deliver'),
call(client.channel_number, '_on_basic_get')
])
def test__on_underlying_close(self):
client = Mock()
tp = AMQPTransport(client)
cb = Mock()
tp.add_on_close_callback(cb)
tp._on_underlying_close(200, sentinel.text)
cb.assert_called_once_with(tp, 200, sentinel.text)
self.assertEquals(client.callbacks.remove.call_count, 4)
self.assertEquals(client.callbacks.remove.call_args_list, [call(client.channel_number, 'Basic.GetEmpty'),
call(client.channel_number, 'Channel.Close'),
call(client.channel_number, '_on_basic_deliver'),
call(client.channel_number, '_on_basic_get')])
def test_delete_xn(self):
raise unittest.SkipTest("broken 2 mar, skipping for now")
# same as the other deletes except with queues instead
xn = self.container.ex_manager.create_xn_service('test_service')
# prove queue is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._queue_auto_delete = not xn._xn_auto_delete
# must set recv_name
ch._recv_name = xn
self.assertRaises(TransportError, ch._declare_queue, xn.queue)
# now let's delete via ex manager
self.container.ex_manager.delete_xn(xn)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xn._xs._xs_auto_delete
# must set recv_name
ch._recv_name = xn
ch._declare_queue(xn.queue)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_queue_impl(ch._amq_chan, xn.queue)
def test_delete_xn(self):
raise unittest.SkipTest("broken 2 mar, skipping for now")
# same as the other deletes except with queues instead
xn = self.container.ex_manager.create_xn_service('test_service')
# prove queue is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._queue_auto_delete = not xn._xn_auto_delete
# must set recv_name
ch._recv_name = xn
self.assertRaises(TransportError, ch._declare_queue, xn.queue)
# now let's delete via ex manager
self.container.ex_manager.delete_xn(xn)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xn._xs._xs_auto_delete
# must set recv_name
ch._recv_name = xn
ch._declare_queue(xn.queue)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_queue_impl(ch._amq_chan, xn.queue)
def __init__(self, transport=None, close_callback=None):
"""
Initializes a BaseChannel instance.
@param transport Underlying transport used for broker communication. Can be None, if so, will
use the AMQPTransport stateless singleton.
@type transport BaseTransport
@param close_callback The method to invoke when close() is called on this BaseChannel. May be left as None,
in which case close_impl() will be called. This expects to be a callable taking one
param, this channel instance.
"""
self.set_close_callback(close_callback)
self._transport = transport or AMQPTransport.get_instance()
# setup FSM for BaseChannel / SendChannel tree
self._fsm = FSM(self.S_INIT)
self._fsm.add_transition(self.I_ATTACH, self.S_INIT, None,
self.S_ACTIVE)
self._fsm.add_transition(self.I_CLOSE, self.S_ACTIVE, self._on_close,
self.S_CLOSED)
self._fsm.add_transition(
self.I_CLOSE, self.S_CLOSED, None, self.S_CLOSED
) # closed is a goal state, multiple closes are ok and are no-ops
self._fsm.add_transition(self.I_CLOSE, self.S_INIT, None,
self.S_CLOSED) # INIT to CLOSED is fine too
def accept(self, n=1, timeout=None):
"""
Accepts new connections for listening endpoints.
Can accept more than one message at at time before it returns a new channel back to the
caller. Optionally can specify a timeout - if n messages aren't received in that time,
will raise an Empty exception.
Sets the channel in the ACCEPTED state - caller is responsible for acking all messages
received on the returned channel in order to put this channel back in the CONSUMING
state.
"""
assert self._fsm.current_state in [self.S_ACTIVE, self.S_CLOSED], "Channel must be in active/closed state to accept, currently %s (forget to ack messages?)" % str(self._fsm.current_state)
was_consuming = self._consuming
if not self._should_discard and not was_consuming:
# tune QOS to get exactly n messages
if not (self._queue_auto_delete and self._transport is AMQPTransport.get_instance()):
self._transport.qos_impl(self._amq_chan, prefetch_count=n)
# start consuming
self.start_consume()
with self._recv_queue.await_n(n=n) as ar:
log.debug("accept: waiting for %s msgs, timeout=%s", n, timeout)
ar.get(timeout=timeout)
if not was_consuming:
# turn consuming back off if we already were off
if not (self._queue_auto_delete and self._transport is AMQPTransport.get_instance()):
self.stop_consume()
else:
log.debug("accept should turn consume off, but queue is auto_delete and this would destroy the queue")
ms = [self.recv() for x in xrange(n)]
ch = self._create_accepted_channel(self._amq_chan, ms)
map(ch._recv_queue.put, ms)
# transition to ACCEPT
self._fsm.process(self.I_ENTER_ACCEPT)
# return the channel
return ch
def close_impl(self):
if not self._queue_auto_delete and self._recv_name and self._transport is AMQPTransport.get_instance(
) and self._recv_name.queue.startswith("amq.gen-"):
log.debug("Anonymous Subscriber detected, deleting queue (%s)",
self._recv_name)
self._destroy_queue()
ListenChannel.close_impl(self)
def test__sync_call_with_error(self):
tp = AMQPTransport(Mock())
def async_func(*args, **kwargs):
raise TransportError('haha')
self.assertRaises(TransportError, tp._sync_call, async_func,
'callback')
def test_stop_consume_raises_warning_with_auto_delete(self):
transport = AMQPTransport(Mock())
transport.stop_consume_impl = Mock()
self.ch.on_channel_open(transport)
#transport.channel_number = sentinel.channel_number
self.ch._consumer_tag = sentinel.consumer_tag
self.ch._recv_name = NameTrio(sentinel.ex, sentinel.queue, sentinel.binding)
self.ch._fsm.current_state = self.ch.S_ACTIVE
self.ch._consuming = True
#self.ch._ensure_transport = MagicMock()
self.ch._queue_auto_delete = True
self.ch.stop_consume()
self.assertTrue(self.ch._transport.stop_consume_impl.called)
self.assertIn(self.ch._consumer_tag, self.ch._transport.stop_consume_impl.call_args[0])
def start(self):
log.debug("ExchangeManager.start")
total_count = 0
def handle_failure(name, node):
log.warn("Node %s could not be started", name)
node.ready.set() # let it fall out below
# Establish connection(s) to broker
for name, cfgkey in CFG.container.messaging.server.iteritems():
if not cfgkey:
continue
if cfgkey not in CFG.server:
raise ExchangeManagerError("Config key %s (name: %s) (from CFG.container.messaging.server) not in CFG.server" % (cfgkey, name))
total_count += 1
log.debug("Starting connection: %s", name)
# start it with a zero timeout so it comes right back to us
try:
node, ioloop = messaging.make_node(CFG.server[cfgkey], name, 0)
# install a finished handler directly on the ioloop just for this startup period
fail_handle = lambda _: handle_failure(name, node)
ioloop.link(fail_handle)
# wait for the node ready event, with a large timeout just in case
node_ready = node.ready.wait(timeout=15)
# remove the finished handler, we don't care about it here
ioloop.unlink(fail_handle)
# only add to our list if we started successfully
if not node.running:
ioloop.kill() # make sure ioloop dead
else:
self._nodes[name] = node
self._ioloops[name] = ioloop
except socket.error as e:
log.warn("Could not start connection %s due to socket error, continuing", name)
fail_count = total_count - len(self._nodes)
if fail_count > 0 or total_count == 0:
if fail_count == total_count:
raise ExchangeManagerError("No node connection was able to start (%d nodes attempted, %d nodes failed)" % (total_count, fail_count))
log.warn("Some nodes could not be started, ignoring for now") # @TODO change when ready
self._transport = AMQPTransport.get_instance()
# load interceptors into each
map(lambda x: x.setup_interceptors(CFG.interceptor), self._nodes.itervalues())
log.debug("Started %d connections (%s)", len(self._nodes), ",".join(self._nodes.iterkeys()))
def _new_transport(self, ch_number=None):
"""
Creates a new AMQPTransport with an underlying Pika channel.
"""
amq_chan = blocking_cb(self.client.channel, 'on_open_callback', channel_number=ch_number)
if amq_chan is None:
log.error("AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s", ch_number)
from pyon.container.cc import Container
if Container.instance is not None:
Container.instance.fail_fast("AMQCHAN IS NONE, messaging has failed", True)
raise StandardError("AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s" % ch_number)
transport = AMQPTransport(amq_chan)
# by default, everything should have a prefetch count of 1 (configurable)
# this can be overridden by the channel get_n related methods
transport.qos_impl(prefetch_count=CFG.get_safe('container.messaging.endpoint.prefetch_count', 1))
return transport
def test_close_does_delete_if_anonymous_and_not_auto_delete(self):
transport = AMQPTransport(Mock())
ch = SubscriberChannel()
ch.on_channel_open(transport)
ch._queue_auto_delete = False
ch._destroy_queue = Mock()
ch._recv_name = NameTrio(sentinel.exchange, 'amq.gen-ABCD')
ch.close_impl()
ch._destroy_queue.assert_called_once_with()
def test_stop_consume_raises_warning_with_auto_delete(self, mocklog):
transport = AMQPTransport(Mock())
transport.stop_consume_impl = Mock()
self.ch.on_channel_open(transport)
#transport.channel_number = sentinel.channel_number
self.ch._consumer_tag = sentinel.consumer_tag
self.ch._recv_name = NameTrio(sentinel.ex, sentinel.queue,
sentinel.binding)
self.ch._fsm.current_state = self.ch.S_ACTIVE
self.ch._consuming = True
#self.ch._ensure_transport = MagicMock()
self.ch._queue_auto_delete = True
self.ch.stop_consume()
self.assertTrue(mocklog.debug.called)
self.assertIn(sentinel.queue, mocklog.debug.call_args[0])
def test__sync_call_with_close_indicating_error(self):
tp = AMQPTransport(Mock())
def async_func(*args, **kwargs):
tp._client.add_on_close_callback.call_args[0][0](sentinel.ch,
sentinel.arg)
self.assertRaises(TransportError, tp._sync_call, async_func,
'callback')
tp._client.transport.connection.mark_bad_channel.assert_called_once_with(
tp._client.channel_number)
def test_start_consume_with_consumer_tag_and_auto_delete(self, mocklog):
transport = AMQPTransport(Mock())
self.ch.on_channel_open(transport)
self.ch._fsm.current_state = self.ch.S_ACTIVE
# set up recv name for queue
self.ch._recv_name = NameTrio(sentinel.xp, sentinel.queue)
self.ch._consumer_tag = sentinel.consumer_tag
self.ch._queue_auto_delete = True
self.ch.start_consume()
self.assertTrue(mocklog.warn.called)
def start(self):
log.debug("ExchangeManager starting ...")
# Establish connection to broker
# @TODO: raise error if sux
node, ioloop = messaging.make_node()
self._transport = AMQPTransport.get_instance()
self._client = self._get_channel(node)
# Declare root exchange
#self.default_xs.ensure_exists(self._get_channel())
return node, ioloop
def __init__(self, transport=None, close_callback=None):
"""
Initializes a BaseChannel instance.
@param transport Underlying transport used for broker communication. Can be None, if so, will
use the AMQPTransport stateless singleton.
@type transport BaseTransport
@param close_callback The method to invoke when close() is called on this BaseChannel. May be left as None,
in which case close_impl() will be called. This expects to be a callable taking one
param, this channel instance.
"""
self.set_close_callback(close_callback)
self._transport = transport or AMQPTransport.get_instance()
def start(self):
log.debug("ExchangeManager starting ...")
# Establish connection to broker
# @TODO: raise error if sux
node, ioloop = messaging.make_node()
self._transport = AMQPTransport.get_instance()
self._client = self._get_channel(node)
# Declare root exchange
#self.default_xs.ensure_exists(self._get_channel())
return node, ioloop
def _on_stop_consume(self):
"""
Stops consuming messages.
If the queue has auto_delete, this will delete it.
"""
#log.debug("RecvChannel._on_stop_consume")
if self._queue_auto_delete and self._transport is AMQPTransport.get_instance():
log.debug("Autodelete is on, this will destroy this queue: %s", self._recv_name.queue)
self._ensure_amq_chan()
self._sync_call(self._amq_chan.basic_cancel, 'callback', self._consumer_tag)
def _new_transport(self, ch_number=None):
"""
Creates a new AMQPTransport with an underlying Pika channel.
"""
amq_chan = blocking_cb(self.client.channel, 'on_open_callback', channel_number=ch_number)
if amq_chan is None:
log.error("AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s", ch_number)
traceback.print_stack()
from pyon.container.cc import Container
if Container.instance is not None:
Container.instance.fail_fast("AMQCHAN IS NONE, messaging has failed", True)
raise StandardError("AMQCHAN IS NONE THIS SHOULD NEVER HAPPEN, chan number requested: %s" % ch_number)
transport = AMQPTransport(amq_chan)
return transport
def test__on_underlying_close(self, mocklog):
tp = AMQPTransport(Mock())
cb = Mock()
tp.add_on_close_callback(cb)
tp._on_underlying_close(200, sentinel.text)
cb.assert_called_once_with(tp, 200, sentinel.text)
self.assertEquals(mocklog.debug.call_count, 1)
self.assertIn(sentinel.text, mocklog.debug.call_args[0])
def _on_stop_consume(self):
"""
Stops consuming messages.
If the queue has auto_delete, this will delete it.
"""
#log.debug("RecvChannel._on_stop_consume")
if self._queue_auto_delete and self._transport is AMQPTransport.get_instance(
):
log.debug("Autodelete is on, this will destroy this queue: %s",
self._recv_name.queue)
self._ensure_amq_chan()
self._sync_call(self._amq_chan.basic_cancel, 'callback',
self._consumer_tag)
def _on_start_consume(self):
"""
Starts consuming messages.
setup_listener must have been called first.
"""
#log.debug("RecvChannel._on_start_consume")
if self._consumer_tag and (self._queue_auto_delete and self._transport is AMQPTransport.get_instance()):
log.warn("Attempting to start consuming on a queue that may have been auto-deleted")
self._ensure_amq_chan()
self._consumer_tag = self._amq_chan.basic_consume(self._on_deliver,
queue=self._recv_name.queue,
no_ack=self._consumer_no_ack,
exclusive=self._consumer_exclusive)
def __init__(self, transport=None, close_callback=None):
"""
Initializes a BaseChannel instance.
@param transport Underlying transport used for broker communication. Can be None, if so, will
use the AMQPTransport stateless singleton.
@type transport BaseTransport
@param close_callback The method to invoke when close() is called on this BaseChannel. May be left as None,
in which case close_impl() will be called. This expects to be a callable taking one
param, this channel instance.
"""
self.set_close_callback(close_callback)
self._transport = transport or AMQPTransport.get_instance()
# setup FSM for BaseChannel / SendChannel tree
self._fsm = FSM(self.S_INIT)
self._fsm.add_transition(self.I_ATTACH, self.S_INIT, None, self.S_ACTIVE)
self._fsm.add_transition(self.I_CLOSE, self.S_ACTIVE, self._on_close, self.S_CLOSED)
self._fsm.add_transition(self.I_CLOSE, self.S_CLOSED, None, self.S_CLOSED) # closed is a goal state, multiple closes are ok and are no-ops
self._fsm.add_transition(self.I_CLOSE, self.S_INIT, None, self.S_CLOSED) # INIT to CLOSED is fine too
def _on_start_consume(self):
"""
Starts consuming messages.
setup_listener must have been called first.
"""
#log.debug("RecvChannel._on_start_consume")
if self._consumer_tag and (self._queue_auto_delete and self._transport
is AMQPTransport.get_instance()):
log.warn(
"Attempting to start consuming on a queue that may have been auto-deleted"
)
self._ensure_amq_chan()
self._consumer_tag = self._amq_chan.basic_consume(
self._on_deliver,
queue=self._recv_name.queue,
no_ack=self._consumer_no_ack,
exclusive=self._consumer_exclusive)
def test_delete_xp(self):
# same as test_delete_xs
xp = self.container.ex_manager.create_xp('test_xp')
# prove XS is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xp._xs._xs_auto_delete
self.assertRaises(TransportError, ch._declare_exchange, xp.exchange)
# now let's delete via ex manager
self.container.ex_manager.delete_xp(xp)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xp._xs._xs_auto_delete
ch._declare_exchange(xp.exchange)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_exchange_impl(ch._amq_chan, xp.exchange)
def test_delete_xp(self):
# same as test_delete_xs
xp = self.container.ex_manager.create_xp('test_xp')
# prove XS is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xp._xs._xs_auto_delete
self.assertRaises(TransportError, ch._declare_exchange, xp.exchange)
# now let's delete via ex manager
self.container.ex_manager.delete_xp(xp)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xp._xs._xs_auto_delete
ch._declare_exchange(xp.exchange)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_exchange_impl(ch._amq_chan, xp.exchange)
def test__on_underlying_close(self):
client = Mock()
tp = AMQPTransport(client)
cb = Mock()
tp.add_on_close_callback(cb)
tp._on_underlying_close(200, sentinel.text)
cb.assert_called_once_with(tp, 200, sentinel.text)
self.assertEquals(client.callbacks.remove.call_count, 4)
self.assertEquals(client.callbacks.remove.call_args_list, [
call(client.channel_number, 'Basic.GetEmpty'),
call(client.channel_number, 'Channel.Close'),
call(client.channel_number, '_on_basic_deliver'),
call(client.channel_number, '_on_basic_get')
])
def test_delete_xs(self):
# we get interesting here. we have to create or xs, try to declare again to prove it is there,
# then delete, then declare to prove we CAN create, then make sure to clean it up. whew.
xs = self.container.ex_manager.create_xs('test_xs')
# prove XS is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xs._xs_auto_delete
self.assertRaises(TransportError, ch._declare_exchange, xs.exchange)
# now let's delete via ex manager
self.container.ex_manager.delete_xs(xs)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xs._xs_auto_delete
ch._declare_exchange(xs.exchange)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_exchange_impl(ch._amq_chan, xs.exchange)
def test_delete_xs(self):
# we get interesting here. we have to create or xs, try to declare again to prove it is there,
# then delete, then declare to prove we CAN create, then make sure to clean it up. whew.
xs = self.container.ex_manager.create_xs('test_xs')
# prove XS is declared already (can't declare the same named one with diff params)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xs._xs_auto_delete
self.assertRaises(TransportError, ch._declare_exchange, xs.exchange)
# now let's delete via ex manager
self.container.ex_manager.delete_xs(xs)
# grab another channel and declare (should work fine this time)
ch = self.container.node.channel(RecvChannel)
ch._exchange_auto_delete = not xs._xs_auto_delete
ch._declare_exchange(xs.exchange)
# cool, now cleanup (we don't expose this via Channel)
at = AMQPTransport.get_instance()
at.delete_exchange_impl(ch._amq_chan, xs.exchange)
def test_add_on_close_callback(self):
tp = AMQPTransport(Mock())
tp.add_on_close_callback(sentinel.one)
tp.add_on_close_callback(sentinel.two)
self.assertEquals(tp._close_callbacks, [sentinel.one, sentinel.two])
def test_channel_number(self):
client = Mock()
tp = AMQPTransport(client)
self.assertEquals(tp.channel_number, client.channel_number)
def close_impl(self):
if not self._queue_auto_delete and self._recv_name and self._transport is AMQPTransport.get_instance() and self._recv_name.queue.startswith("amq.gen-"):
log.debug("Anonymous Subscriber detected, deleting queue (%s)", self._recv_name)
self._destroy_queue()
ListenChannel.close_impl(self)
def test_close(self):
client = Mock()
tp = AMQPTransport(client)
tp.close()
client.close.assert_called_once_with()
def test_active_no_client(self):
tp = AMQPTransport(Mock())
tp._client = None
self.assertFalse(tp.active)
def test_close(self):
client = Mock()
tp = AMQPTransport(client)
tp.close()
client.close.assert_called_once_with()
def test_add_on_close_callback(self):
tp = AMQPTransport(Mock())
tp.add_on_close_callback(sentinel.one)
tp.add_on_close_callback(sentinel.two)
self.assertEquals(tp._close_callbacks, [sentinel.one, sentinel.two])
class TestAMQPTransportCommonMethods(PyonTestCase):
def setUp(self):
self.tp = AMQPTransport(MagicMock())
self.tp._sync_call = Mock()
def test_declare_exchange_impl(self):
self.tp.declare_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(self.tp._client.exchange_declare,
'callback',
exchange=sentinel.exchange,
type='topic',
durable=False,
auto_delete=True,
arguments={})
@patch('pyon.net.transport.os', new_callable=MagicMock)
def test_declare_exchange_impl_queue_blame(self, osmock):
osmock.environ.get.return_value = True
osmock.environ.__getitem__.return_value = sentinel.testid
self.tp.declare_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(self.tp._client.exchange_declare,
'callback',
exchange=sentinel.exchange,
type='topic',
durable=False,
auto_delete=True,
arguments={'created-by':sentinel.testid})
def test_delete_exchange_impl(self):
self.tp.delete_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(self.tp._client.exchange_delete,
'callback',
exchange=sentinel.exchange)
def test_declare_queue_impl(self):
retqueue = self.tp.declare_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
auto_delete=True,
durable=False,
arguments={})
self.assertEquals(retqueue, self.tp._sync_call.return_value.method.queue)
@patch('pyon.net.transport.os', new_callable=MagicMock)
def test_declare_queue_impl_queue_blame(self, osmock):
osmock.environ.get.return_value = True
osmock.environ.__getitem__.return_value = sentinel.testid
retqueue = self.tp.declare_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
durable=False,
auto_delete=True,
arguments={'created-by':sentinel.testid})
self.assertEquals(retqueue, self.tp._sync_call.return_value.method.queue)
def test_delete_queue(self):
self.tp.delete_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_delete,
'callback',
queue=sentinel.queue)
def test_bind_impl(self):
self.tp.bind_impl(sentinel.exchange, sentinel.queue, sentinel.binding)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_bind,
'callback',
queue=sentinel.queue,
exchange=sentinel.exchange,
routing_key=sentinel.binding)
def test_unbind_impl(self):
self.tp.unbind_impl(sentinel.exchange, sentinel.queue, sentinel.binding)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_unbind,
'callback',
queue=sentinel.queue,
exchange=sentinel.exchange,
routing_key=sentinel.binding)
def test_ack_impl(self):
self.tp.ack_impl(sentinel.dtag)
self.tp._client.basic_ack.assert_called_once_with(sentinel.dtag)
def test_reject_impl(self):
self.tp.reject_impl(sentinel.dtag)
self.tp._client.basic_reject.assert_called_once_with(sentinel.dtag, requeue=False)
def test_start_consume_impl(self):
rettag = self.tp.start_consume_impl(sentinel.callback, sentinel.queue)
self.tp._client.basic_consume.assert_called_once_with(sentinel.callback,
queue=sentinel.queue,
no_ack=False,
exclusive=False)
self.assertEquals(rettag, self.tp._client.basic_consume.return_value)
def test_stop_consume_impl(self):
self.tp.stop_consume_impl(sentinel.ctag)
self.tp._sync_call.assert_called_once_with(self.tp._client.basic_cancel,
'callback',
sentinel.ctag)
@patch('pyon.net.transport.sleep', Mock()) # patch to make sleep() be a mock call and therefore superfast
def test_stop_consume_remains_in_consumers(self):
self.tp._client._consumers = [sentinel.ctag]
self.assertRaises(TransportError, self.tp.stop_consume_impl, sentinel.ctag)
@patch('pyon.net.transport.sleep')
def test_stop_consume_eventually_removed(self, sleepmock):
self.tp._client._consumers.__contains__.side_effect = [True, False, False] # is checked once more at exit of method
self.tp.stop_consume_impl(sentinel.ctag)
sleepmock.assert_called_once_with(1)
def test_setup_listener(self):
cb = Mock()
self.tp.setup_listener(sentinel.binding, cb)
cb.assert_called_once_with(self.tp, sentinel.binding)
def test_get_stats_impl(self):
mo = Mock()
self.tp._sync_call.return_value = mo
ret = self.tp.get_stats_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
passive=True)
self.assertEquals(ret, (mo.method.message_count, mo.method.consumer_count))
def test_purge_impl(self):
self.tp.purge_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_purge,
'callback',
queue=sentinel.queue)
def test_qos_impl(self):
self.tp.qos_impl()
self.tp._sync_call.assert_called_once_with(self.tp._client.basic_qos,
'callback',
prefetch_size=0,
prefetch_count=0,
global_=False)
@patch('pyon.net.transport.BasicProperties')
def test_publish_impl(self, bpmock):
self.tp.publish_impl(sentinel.exchange, sentinel.routing_key, sentinel.body, sentinel.properties)
self.tp._client.basic_publish.assert_called_once_with(exchange=sentinel.exchange,
routing_key=sentinel.routing_key,
body=sentinel.body,
properties=bpmock(headers=sentinel.properties,
delivery_mode=None),
immediate=False,
mandatory=False)
@patch('pyon.net.transport.BasicProperties')
def test_publish_impl_durable(self, bpmock):
self.tp.publish_impl(sentinel.exchange, sentinel.routing_key, sentinel.body, sentinel.properties, durable_msg=True)
self.tp._client.basic_publish.assert_called_once_with(exchange=sentinel.exchange,
routing_key=sentinel.routing_key,
body=sentinel.body,
properties=bpmock(headers=sentinel.properties,
delivery_mode=2),
immediate=False,
mandatory=False)
class TestAMQPTransportCommonMethods(PyonTestCase):
def setUp(self):
self.tp = AMQPTransport(MagicMock())
self.tp._sync_call = Mock()
def test_declare_exchange_impl(self):
self.tp.declare_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(
self.tp._client.exchange_declare,
'callback',
exchange=sentinel.exchange,
type='topic',
durable=False,
auto_delete=True,
arguments={})
@patch('pyon.net.transport.os', new_callable=MagicMock)
def test_declare_exchange_impl_queue_blame(self, osmock):
osmock.environ.get.return_value = True
osmock.environ.__getitem__.return_value = sentinel.testid
self.tp.declare_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(
self.tp._client.exchange_declare,
'callback',
exchange=sentinel.exchange,
type='topic',
durable=False,
auto_delete=True,
arguments={'created-by': sentinel.testid})
def test_delete_exchange_impl(self):
self.tp.delete_exchange_impl(sentinel.exchange)
self.tp._sync_call.assert_called_once_with(
self.tp._client.exchange_delete,
'callback',
exchange=sentinel.exchange)
def test_declare_queue_impl(self):
retqueue = self.tp.declare_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
auto_delete=True,
durable=False,
arguments={})
self.assertEquals(retqueue,
self.tp._sync_call.return_value.method.queue)
@patch('pyon.net.transport.os', new_callable=MagicMock)
def test_declare_queue_impl_queue_blame(self, osmock):
osmock.environ.get.return_value = True
osmock.environ.__getitem__.return_value = sentinel.testid
retqueue = self.tp.declare_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
durable=False,
auto_delete=True,
arguments={'created-by': sentinel.testid})
self.assertEquals(retqueue,
self.tp._sync_call.return_value.method.queue)
def test_delete_queue(self):
self.tp.delete_queue_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_delete, 'callback', queue=sentinel.queue)
def test_bind_impl(self):
self.tp.bind_impl(sentinel.exchange, sentinel.queue, sentinel.binding)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_bind,
'callback',
queue=sentinel.queue,
exchange=sentinel.exchange,
routing_key=sentinel.binding)
def test_unbind_impl(self):
self.tp.unbind_impl(sentinel.exchange, sentinel.queue,
sentinel.binding)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_unbind,
'callback',
queue=sentinel.queue,
exchange=sentinel.exchange,
routing_key=sentinel.binding)
def test_ack_impl(self):
self.tp.ack_impl(sentinel.dtag)
self.tp._client.basic_ack.assert_called_once_with(sentinel.dtag)
def test_reject_impl(self):
self.tp.reject_impl(sentinel.dtag)
self.tp._client.basic_reject.assert_called_once_with(sentinel.dtag,
requeue=False)
def test_start_consume_impl(self):
rettag = self.tp.start_consume_impl(sentinel.callback, sentinel.queue)
self.tp._client.basic_consume.assert_called_once_with(
sentinel.callback,
queue=sentinel.queue,
no_ack=False,
exclusive=False)
self.assertEquals(rettag, self.tp._client.basic_consume.return_value)
def test_stop_consume_impl(self):
self.tp.stop_consume_impl(sentinel.ctag)
self.tp._sync_call.assert_called_once_with(
self.tp._client.basic_cancel, 'callback', sentinel.ctag)
@patch('pyon.net.transport.sleep', Mock()
) # patch to make sleep() be a mock call and therefore superfast
def test_stop_consume_remains_in_consumers(self):
self.tp._client._consumers = [sentinel.ctag]
self.assertRaises(TransportError, self.tp.stop_consume_impl,
sentinel.ctag)
@patch('pyon.net.transport.sleep')
def test_stop_consume_eventually_removed(self, sleepmock):
self.tp._client._consumers.__contains__.side_effect = [
True, False, False
] # is checked once more at exit of method
self.tp.stop_consume_impl(sentinel.ctag)
sleepmock.assert_called_once_with(1)
def test_setup_listener(self):
cb = Mock()
self.tp.setup_listener(sentinel.binding, cb)
cb.assert_called_once_with(self.tp, sentinel.binding)
def test_get_stats_impl(self):
mo = Mock()
self.tp._sync_call.return_value = mo
ret = self.tp.get_stats_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(
self.tp._client.queue_declare,
'callback',
queue=sentinel.queue,
passive=True)
self.assertEquals(ret,
(mo.method.message_count, mo.method.consumer_count))
def test_purge_impl(self):
self.tp.purge_impl(sentinel.queue)
self.tp._sync_call.assert_called_once_with(self.tp._client.queue_purge,
'callback',
queue=sentinel.queue)
def test_qos_impl(self):
self.tp.qos_impl()
self.tp._sync_call.assert_called_once_with(self.tp._client.basic_qos,
'callback',
prefetch_size=0,
prefetch_count=0,
global_=False)
@patch('pyon.net.transport.BasicProperties')
def test_publish_impl(self, bpmock):
self.tp.publish_impl(sentinel.exchange, sentinel.routing_key,
sentinel.body, sentinel.properties)
self.tp._client.basic_publish.assert_called_once_with(
exchange=sentinel.exchange,
routing_key=sentinel.routing_key,
body=sentinel.body,
properties=bpmock(headers=sentinel.properties, delivery_mode=None),
immediate=False,
mandatory=False)
@patch('pyon.net.transport.BasicProperties')
def test_publish_impl_durable(self, bpmock):
self.tp.publish_impl(sentinel.exchange,
sentinel.routing_key,
sentinel.body,
sentinel.properties,
durable_msg=True)
self.tp._client.basic_publish.assert_called_once_with(
exchange=sentinel.exchange,
routing_key=sentinel.routing_key,
body=sentinel.body,
properties=bpmock(headers=sentinel.properties, delivery_mode=2),
immediate=False,
mandatory=False)
def setUp(self):
self.tp = AMQPTransport(MagicMock())
self.tp._sync_call = Mock()
def setUp(self):
self.tp = AMQPTransport(MagicMock())
self.tp._sync_call = Mock()
