class TestCase(unittest.TestCase):
    """ Test distributed simulation. """
    def run(self, result=None):
        """
        Record the :class:`TestResult` used so we can conditionally cleanup
        directories in :meth:`tearDown`.
        """
        self.test_result = result or unittest.TestResult()
        return super(TestCase, self).run(self.test_result)

    def setUp(self):
        """ Called before each test. """
        self.n_errors = len(self.test_result.errors)
        self.n_failures = len(self.test_result.failures)

        self.factories = []
        self.servers = []
        self.server_dirs = []

        # Ensure we control directory cleanup.
        self.keepdirs = os.environ.get('OPENMDAO_KEEPDIRS', '0')
        os.environ['OPENMDAO_KEEPDIRS'] = '1'

    def start_factory(self, port=None, allowed_users=None):
        """ Start each factory process in a unique directory. """
        global _SERVER_ID
        _SERVER_ID += 1

        server_dir = 'Factory_%d' % _SERVER_ID
        if os.path.exists(server_dir):
            shutil.rmtree(server_dir)
        os.mkdir(server_dir)
        os.chdir(server_dir)
        self.server_dirs.append(server_dir)
        try:
            logging.debug('')
            logging.debug('tester pid: %s', os.getpid())
            logging.debug('starting server...')

            if port is None:
                # Exercise both AF_INET and AF_UNIX/AF_PIPE.
                port = -1 if _SERVER_ID & 1 else 0

            if allowed_users is None:
                credentials = get_credentials()
                allowed_users = {credentials.user: credentials.public_key}

            allowed_types = [
                'openmdao.main.test.test_distsim.HollowSphere',
                'openmdao.main.test.test_distsim.Box',
                'openmdao.main.test.test_distsim.ProtectedBox'
            ]

            server, server_cfg = start_server(port=port,
                                              allowed_users=allowed_users,
                                              allowed_types=allowed_types)
            self.servers.append(server)
            cfg = read_server_config(server_cfg)
            self.address = cfg['address']
            self.port = cfg['port']
            self.tunnel = cfg['tunnel']
            self.key = cfg['key']
            logging.debug('server pid: %s', server.pid)
            logging.debug('server address: %s', self.address)
            logging.debug('server port: %s', self.port)
            logging.debug('server key: %s', self.key)
        finally:
            os.chdir('..')

        factory = connect(self.address,
                          self.port,
                          self.tunnel,
                          pubkey=self.key)
        self.factories.append(factory)
        logging.debug('factory: %r', factory)
        return factory

    def tearDown(self):
        """ Shut down server process. """
        try:
            for factory in self.factories:
                factory.cleanup()
            for server in self.servers:
                logging.debug('terminating server pid %s', server.pid)
                server.terminate(timeout=10)

            # Cleanup only if there weren't any new errors or failures.
            if len(self.test_result.errors) == self.n_errors and \
               len(self.test_result.failures) == self.n_failures and \
               not int(self.keepdirs):
                for server_dir in self.server_dirs:
                    shutil.rmtree(server_dir)
        finally:
            os.environ['OPENMDAO_KEEPDIRS'] = self.keepdirs

    def test_1_client(self):
        logging.debug('')
        logging.debug('test_client')

        factory = self.start_factory()

        # List available types.
        types = factory.get_available_types()
        logging.debug('Available types:')
        for typname, version in types:
            logging.debug('   %s %s', typname, version)

        # First a HollowSphere, accessed via get()/set().
        obj = factory.create(_MODULE + '.HollowSphere')
        sphere_pid = obj.get('pid')
        self.assertNotEqual(sphere_pid, os.getpid())

        radius = obj.get('radius')
        self.assertEqual(radius, 1.)
        radius += 1
        obj.set('radius', radius)
        new_radius = obj.get('radius')
        self.assertEqual(new_radius, 2.)
        self.assertEqual(obj.get('inner_volume'), 0.)
        self.assertEqual(obj.get('volume'), 0.)
        self.assertEqual(obj.get('solid_volume'), 0.)
        self.assertEqual(obj.get('surface_area'), 0.)
        obj.run()
        assert_rel_error(self, obj.get('inner_volume'), 33.510321638, 0.000001)
        assert_rel_error(self, obj.get('volume'), 36.086951213, 0.000001)
        assert_rel_error(self, obj.get('solid_volume'), 2.5766295747, 0.000001)
        assert_rel_error(self, obj.get('surface_area'), 50.265482457, 0.000001)

        msg = ": Variable 'radius' must be a float in the range (0.0, "
        assert_raises(self, "obj.set('radius', -1)", globals(), locals(),
                      ValueError, msg)

        # Now a Box, accessed via attribute methods.
        obj = factory.create(_MODULE + '.Box')
        box_pid = obj.get('pid')
        self.assertNotEqual(box_pid, os.getpid())
        self.assertNotEqual(box_pid, sphere_pid)

        obj.width += 2
        obj.height += 2
        obj.depth += 2
        self.assertEqual(obj.width, 2.)
        self.assertEqual(obj.height, 2.)
        self.assertEqual(obj.depth, 2.)
        self.assertEqual(obj.volume, 0.)
        self.assertEqual(obj.surface_area, 0.)
        obj.run()
        self.assertEqual(obj.volume, 8.0)
        self.assertEqual(obj.surface_area, 24.0)

        try:
            obj.no_rbac()
        except RemoteError as exc:
            msg = "AttributeError: method 'no_rbac' of"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')

    def test_2_model(self):
        logging.debug('')
        logging.debug('test_model')

        factory = self.start_factory()

        # Create model and run it.
        box = factory.create(_MODULE + '.Box')
        model = set_as_top(Model(box))
        model.run()

        # Check results.
        for width in range(1, 2):
            for height in range(1, 3):
                for depth in range(1, 4):
                    case = model.driver.recorders[0].cases.pop(0)
                    self.assertEqual(case.outputs[0][2],
                                     width * height * depth)

        self.assertTrue(is_instance(model.box.parent, Assembly))
        self.assertTrue(has_interface(model.box.parent, IComponent))

        # Upcall to use parent to resolve sibling.
        # At one time this caused proxy problems.
        source = model.box.parent.source
        self.assertEqual(source.width_in, 1.)

        # Proxy resolution.
        obj, path = get_closest_proxy(model, 'box.subcontainer.subvar')
        self.assertEqual(obj, model.box)
        self.assertEqual(path, 'subcontainer.subvar')

        obj, path = get_closest_proxy(model, 'source.subcontainer.subvar')
        self.assertEqual(obj, model.source.subcontainer)
        self.assertEqual(path, 'subvar')

        obj, path = get_closest_proxy(model.source.subcontainer, 'subvar')
        self.assertEqual(obj, model.source.subcontainer)
        self.assertEqual(path, 'subvar')

        # Observable proxied type.
        tmp = model.box.open_in_parent('tmp', 'w')
        tmp.close()
        os.remove('tmp')

        # Cause server-side errors we can see.

        try:
            box.cause_parent_error1()
        except RemoteError as exc:
            msg = "AttributeError: attribute 'no_such_variable' of"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')

        try:
            box.cause_parent_error2()
        except RemoteError as exc:
            msg = "AttributeError: method 'get_trait' of"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')

        try:
            box.cause_parent_error3()
        except RemoteError as exc:
            msg = "RoleError: xyzzy(): No access for role 'owner'"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')
Пример #2
0
    def test_2_model(self):
        logging.debug('')
        logging.debug('test_model')

        factory = self.start_factory()

        # Create model and run it.
        box = factory.create(_MODULE+'.Box')
        model = set_as_top(Model(box))
        model.run()

        # Check results.
        for width in range(1, 2):
            for height in range(1, 3):
                for depth in range(1, 4):
                    case = model.driver.recorder.cases.pop(0)
                    self.assertEqual(case.outputs[0][2], width*height*depth)

        self.assertTrue(is_instance(model.box.parent, Assembly))
        self.assertTrue(has_interface(model.box.parent, IComponent))

        # Upcall to use parent to resolve sibling.
        # At one time this caused proxy problems.
        source = model.box.parent.source
        self.assertEqual(source.width_in, 1.)

        # Proxy resolution.
        obj, path = get_closest_proxy(model, 'box.subcontainer.subvar')
        self.assertEqual(obj, model.box)
        self.assertEqual(path, 'subcontainer.subvar')

        obj, path = get_closest_proxy(model, 'source.subcontainer.subvar')
        self.assertEqual(obj, model.source.subcontainer)
        self.assertEqual(path, 'subvar')

        obj, path = get_closest_proxy(model.source.subcontainer, 'subvar')
        self.assertEqual(obj, model.source.subcontainer)
        self.assertEqual(path, 'subvar')

        # Observable proxied type.
        tmp = model.box.open_in_parent('tmp', 'w')
        tmp.close()
        os.remove('tmp')

        # Cause server-side errors we can see.

        try:
            box.cause_parent_error1()
        except RemoteError as exc:
            msg = "AttributeError: attribute 'no_such_variable' of"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')

        try:
            box.cause_parent_error2()
        except RemoteError as exc:
            msg = "AttributeError: method 'get_trait' of"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')

        try:
            box.cause_parent_error3()
        except RemoteError as exc:
            msg = "RoleError: xyzzy(): No access for role 'owner'"
            logging.debug('msg: %s', msg)
            logging.debug('exc: %s', exc)
            self.assertTrue(msg in str(exc))
        else:
            self.fail('Expected RemoteError')