Add unit tests for the conductor AMQP API
This tests create and delete at the AMQP level and makes certain the AMQP code is being called. This does not actually test the connection to the handlers, which would be more like a functional test. This test case purpose is meant to introduce pain when changing the interface. The interface should not be changed, a new version should be implemented. Change-Id: Icfca04df842497515c20138ba58694805b266b55
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@ -22,7 +22,8 @@ from magnum import objects
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# API to trigger operations on the conductors
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class API(rpc_service.API):
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def __init__(self, transport=None, context=None):
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def __init__(self, transport=None, context=None, topic=None):
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if topic is None:
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cfg.CONF.import_opt('topic', 'magnum.conductor.config',
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group='conductor')
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super(API, self).__init__(transport, context,
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@ -0,0 +1,123 @@
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Unit Tests for :py:class:`magnum.conductor.rpcapi.API`.
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"""
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import copy
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import mock
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from magnum.conductor import api as conductor_rpcapi
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from magnum.tests.db import base
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from magnum.tests.db import utils as dbutils
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class RPCAPITestCase(base.DbTestCase):
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def setUp(self):
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super(RPCAPITestCase, self).setUp()
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self.fake_bay = dbutils.get_test_bay(driver='fake-driver')
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self.fake_pod = dbutils.get_test_pod(driver='fake-driver')
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self.fake_rc = dbutils.get_test_rc(driver='fake-driver')
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self.fake_service = dbutils.get_test_service(driver='fake-driver')
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def _test_rpcapi(self, method, rpc_method, **kwargs):
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rpcapi = conductor_rpcapi.API(topic='fake-topic')
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expected_retval = 'hello world' if rpc_method == 'call' else None
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expected_topic = 'fake-topic'
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if 'host' in kwargs:
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expected_topic += ".%s" % kwargs['host']
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target = {
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"topic": expected_topic,
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"version": kwargs.pop('version', 1.0)
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}
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expected_msg = copy.deepcopy(kwargs)
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self.fake_args = None
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self.fake_kwargs = None
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def _fake_prepare_method(*args, **kwargs):
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for kwd in kwargs:
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self.assertEqual(kwargs[kwd], target[kwd])
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return rpcapi._client
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def _fake_rpc_method(*args, **kwargs):
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self.fake_args = args
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self.fake_kwargs = kwargs
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if expected_retval:
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return expected_retval
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with mock.patch.object(rpcapi._client, "prepare") as mock_prepared:
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mock_prepared.side_effect = _fake_prepare_method
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with mock.patch.object(rpcapi._client, rpc_method) as mock_method:
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mock_method.side_effect = _fake_rpc_method
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retval = getattr(rpcapi, method)(**kwargs)
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self.assertEqual(retval, expected_retval)
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expected_args = [None, method, expected_msg]
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for arg, expected_arg in zip(self.fake_args, expected_args):
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self.assertEqual(arg, expected_arg)
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def test_bay_create(self):
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self._test_rpcapi('bay_create',
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'call',
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version='1.0',
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bay=self.fake_bay)
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def test_bay_delete(self):
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self._test_rpcapi('bay_delete',
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'call',
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version='1.0',
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uuid=self.fake_bay['uuid'])
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def test_service_create(self):
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self._test_rpcapi('service_create',
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'call',
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version='1.0',
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service=self.fake_service)
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# TODO(sdake) the parameters to delete operations are highly suspect
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def test_service_delete(self):
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self._test_rpcapi('service_delete',
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'call',
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version='1.0',
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service=self.fake_service)
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def test_pod_create(self):
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self._test_rpcapi('pod_create',
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'call',
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version='1.0',
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pod=self.fake_pod)
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# TODO(sdake) the parameters to delete operations are highly suspect
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def test_pod_delete(self):
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self._test_rpcapi('pod_delete',
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'call',
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version='1.0',
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pod=self.fake_pod)
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def test_rc_create(self):
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self._test_rpcapi('rc_create',
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'call',
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version='1.0',
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rc=self.fake_rc)
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# TODO(sdake) the parameters to delete operations are highly suspect
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def test_rc_delete(self):
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self._test_rpcapi('rc_delete',
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'call',
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version='1.0',
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rc=self.fake_rc)
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@ -120,3 +120,33 @@ def create_test_service(**kw):
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del service['id']
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dbapi = db_api.get_instance()
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return dbapi.create_service(service)
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def get_test_rc(**kw):
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return {
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'id': kw.get('id', 42),
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'uuid': kw.get('uuid', '10a47dd1-4874-4298-91cf-eff046dbdb8d'),
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'name': kw.get('name', 'service1'),
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'images': kw.get('images', ['steak/for-dinner']),
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'bay_uuid': kw.get('bay_uuid', '10a47dd1-4874-4298-91cf-eff046dbdb8e'),
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'selector': kw.get('selector', {'name': 'foo'}),
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'replicas': kw.get('replicas', 3),
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'rc_definition_url': kw.get('file:///tmp/rc.yaml'),
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'created_at': kw.get('created_at'),
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'updated_at': kw.get('updated_at'),
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}
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def create_test_rc(**kw):
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"""Create test rc entry in DB and return ReplicationController DB object.
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Function to be used to create test ReplicationController objects in the
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database.
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:param kw: kwargs with overriding values for service's attributes.
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:returns: Test Service DB object.
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"""
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service = get_test_rc(**kw)
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# Let DB generate ID if it isn't specified explicitly
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if 'id' not in kw:
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del service['id']
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dbapi = db_api.get_instance()
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return dbapi.create_rc(service)
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