def test_subscribe_snapshot(self):
node = helper.make_dsenode_new_partition('testnode')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node.register_service(test1)
node.register_service(test2)
test1.subscribe('test2', 'fake_table')
helper.retry_check_function_return_value(
lambda: hasattr(test1, 'last_msg'), True)
self.assertEqual(test1.last_msg['data'], test2.state['fake_table'])
def test_datasource_poll(self):
node = helper.make_dsenode_new_partition('testnode')
pub = FakeDataSource('pub')
sub = FakeDataSource('sub')
node.register_service(pub)
node.register_service(sub)
sub.subscribe('pub', 'fake_table')
pub.state = {'fake_table': set([(1, 2)])}
pub.poll()
helper.retry_check_function_return_value(
lambda: sub.last_msg['data'], set(pub.state['fake_table']))
self.assertFalse(hasattr(pub, "last_msg"))
def test_intranode_pubsub(self):
node = helper.make_dsenode_new_partition('testnode')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node.register_service(test1)
node.register_service(test2)
test1.subscribe('test2', 'p')
helper.retry_check_function_return_value(
lambda: hasattr(test1, 'last_msg'), True)
test2.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test1.last_msg['data'], 42)
self.assertFalse(hasattr(test2, "last_msg"))
def test_intranode_pubsub2(self):
# same as test_intranode_pubsub but with opposite ordering.
# (Ordering does matter with internode_pubsub).
node = helper.make_dsenode_new_partition('testnode')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node.register_service(test1)
node.register_service(test2)
test2.subscribe('test1', 'p')
helper.retry_check_function_return_value(
lambda: hasattr(test2, 'last_msg'), True)
test1.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test2.last_msg['data'], 42)
self.assertFalse(hasattr(test1, "last_msg"))
def test_internode_partial_unsub(self):
node1 = helper.make_dsenode_new_partition('testnode1')
node2 = helper.make_dsenode_same_partition(node1, 'testnode2')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node1.register_service(test1)
node2.register_service(test2)
test1.subscribe('test2', 'p')
test1.subscribe('test2', 'q')
test1.unsubscribe('test2', 'q') # unsub from q should not affect p
helper.retry_check_function_return_value(
lambda: hasattr(test1, 'last_msg'), True)
test2.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test1.last_msg['data'], 42)
self.assertFalse(hasattr(test2, "last_msg"))
def test_datasource_pub(self):
node = helper.make_dsenode_new_partition('testnode')
nova_client = mock.MagicMock()
with mock.patch.object(novaclient.client.Client, '__init__',
return_value=nova_client):
nova = NovaDriver(
name='nova', args=helper.datasource_openstack_args())
test = FakeDataSource('test')
node.register_service(nova)
node.register_service(test)
test.subscribe('nova', 'p')
helper.retry_check_function_return_value(
lambda: hasattr(test, 'last_msg'), True)
nova.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test.last_msg['data'], 42)
self.assertFalse(hasattr(nova, "last_msg"))
def test_multiservice_pubsub(self):
node1 = helper.make_dsenode_new_partition('testnode1')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node1.register_service(test1)
node1.register_service(test2)
node2 = helper.make_dsenode_same_partition(node1, 'testnode2')
test3 = FakeDataSource('test3')
node2.register_service(test3)
test1.subscribe('test3', 'p')
helper.retry_check_function_return_value(
lambda: hasattr(test1, 'last_msg'), True)
test3.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test1.last_msg['data'], 42)
self.assertFalse(hasattr(test2, "last_msg"))
self.assertFalse(hasattr(test3, "last_msg"))