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# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for pubsub_client."""
import threading
import unittest
from googleapiclient import errors
import mock
from tradefed_cluster import testbed_dependent_test
from tradefed_cluster.util import pubsub_client
HTTP_ERROR_409 = errors.HttpError(
resp=mock.MagicMock(status=409), content='')
HTTP_ERROR_404 = errors.HttpError(
resp=mock.MagicMock(status=404), content='')
class PubsubClientTest(testbed_dependent_test.TestbedDependentTest):
def setUp(self):
super(PubsubClientTest, self).setUp()
self.mock_api_client = mock.MagicMock()
self.pubsub_client = pubsub_client.PubSubClient(
api_client=self.mock_api_client)
@mock.patch.object(pubsub_client, 'discovery')
def testCreatePubsubClient(self, mock_discovery):
"""Tests use pubsub client from multiple thread."""
api_client1 = mock.MagicMock()
api_client2 = mock.MagicMock()
mock_discovery.build.side_effect = [api_client1, api_client2]
client = pubsub_client.PubSubClient()
client.CreateTopic('topic')
# In another thread, it would create another api_client.
t = threading.Thread(
target=lambda: client.GetSubscription('subscription'))
t.start()
t.join(timeout=1)
mock_discovery.assert_has_calls([
mock.call.build('pubsub', 'v1'),
mock.call.build('pubsub', 'v1')
])
api_client1.assert_has_calls([
mock.call.projects(),
mock.call.projects().topics(),
mock.call.projects().topics().create(
name='topic',
body={}),
mock.call.projects().topics().create().execute()])
api_client2.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().get(
subscription='subscription'),
mock.call.projects().subscriptions().get().execute()])
def testCreateTopic(self):
"""Tests whether the method makes a correct API request."""
self.pubsub_client.CreateTopic('topic')
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().topics(),
mock.call.projects().topics().create(
name='topic',
body={}),
mock.call.projects().topics().create().execute()])
def testCreateTopic_alreadyExist(self):
"""Tests create an already existing topic."""
(self.mock_api_client.projects().topics().create()
.execute.side_effect) = [HTTP_ERROR_409]
self.pubsub_client.CreateTopic('topic')
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().topics(),
mock.call.projects().topics().create(
name='topic',
body={}),
mock.call.projects().topics().create().execute()])
def testPublishMessage(self):
"""Tests whether the method makes a correct API request."""
self.pubsub_client.PublishMessages('topic', [])
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().topics(),
mock.call.projects().topics().publish(
topic='topic',
body={'messages': []}),
mock.call.projects().topics().publish().execute()])
def testGetSubscription(self):
self.pubsub_client.GetSubscription('subscription')
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().get(
subscription='subscription'),
mock.call.projects().subscriptions().get().execute()])
def testGetSubscription_noExist(self):
self.mock_api_client.projects().subscriptions().get(
).execute.side_effect = [HTTP_ERROR_404]
sub = self.pubsub_client.GetSubscription('subscription')
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().get(
subscription='subscription'),
mock.call.projects().subscriptions().get().execute()])
self.assertIsNone(sub)
def testCreateSubscription(self):
"""Tests whether the method makes a correct API request."""
self.mock_api_client.projects().subscriptions().get(
).execute.side_effect = [HTTP_ERROR_404]
self.pubsub_client.CreateSubscription('subscription', 'topic')
self.mock_api_client.assert_has_calls([
mock.call.__bool__(),
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().get(
subscription='subscription'),
mock.call.projects().subscriptions().get().execute(),
mock.call.__bool__(),
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().create(
name='subscription',
body={
'topic': 'topic',
'ackDeadlineSeconds': pubsub_client.DEFAULT_ACK_DEADLINE_SECONDS
}),
mock.call.projects().subscriptions().create().execute()])
def testCreateSubscription_alreadyExists(self):
"""Tests whether the method makes a correct API request."""
self.mock_api_client.projects().subscriptions().get(
).execute.side_effect = [{
'name': 'subscription',
'topic': 'topic'}]
self.pubsub_client.CreateSubscription('subscription', 'topic')
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().get(
subscription='subscription'),
mock.call.projects().subscriptions().get().execute()])
def testPullMessages(self):
"""Tests whether the method makes a correct API request."""
(self.mock_api_client.projects.return_value.subscriptions.return_value
.pull.return_value.execute.return_value) = {
'receivedMessages': []
}
messages = self.pubsub_client.PullMessages('subscription', 999)
self.assertEmpty(messages)
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().pull(
subscription='subscription',
body={
'returnImmediately': False,
'maxMessages': 999
}),
mock.call.projects().subscriptions().pull().execute()])
def testAcknowledgeMessages(self):
"""Tests whether the method makes a correct API request."""
ack_ids = [1, 2, 3, 4, 5]
self.pubsub_client.AcknowledgeMessages('subscription', ack_ids)
self.mock_api_client.assert_has_calls([
mock.call.projects(),
mock.call.projects().subscriptions(),
mock.call.projects().subscriptions().acknowledge(
subscription='subscription',
body={'ackIds': ack_ids}),
mock.call.projects().subscriptions().acknowledge().execute()])
if __name__ == '__main__':
unittest.main()
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