def test_has_metadata_for_topic(self, protocol):
@asyncio.coroutine
def recv(request_id):
return b'response'
mocked_conns = {('broker_1', 4567): mock.MagicMock()}
mocked_conns[('broker_1', 4567)].recv.side_effect = recv
client = AIOKafkaClient(['broker_1:4567'], loop=self.loop)
client._conns = mocked_conns
brokers = [
BrokerMetadata(0, 'broker_1', 4567),
BrokerMetadata(1, 'broker_2', 5678)
]
topics = [
TopicMetadata('topic_still_creating', NO_LEADER, []),
TopicMetadata('topic_doesnt_exist', UNKNOWN_TOPIC_OR_PARTITION,
[]),
TopicMetadata('topic_noleaders', NO_ERROR, [
PartitionMetadata('topic_noleaders', 0, -1, [], [], NO_LEADER),
PartitionMetadata('topic_noleaders', 1, -1, [], [], NO_LEADER),
]),
]
protocol.decode_metadata_response.return_value = MetadataResponse(
brokers, topics)
self.loop.run_until_complete(client.load_metadata_for_topics())
# Topics with no partitions return False
self.assertFalse(client.has_metadata_for_topic('topic_still_creating'))
self.assertFalse(client.has_metadata_for_topic('topic_doesnt_exist'))
# Topic with partition metadata, but no leaders return True
self.assertTrue(client.has_metadata_for_topic('topic_noleaders'))
def test_has_metadata_for_topic(self, protocol):
@asyncio.coroutine
def recv(request_id):
return b"response"
mocked_conns = {("broker_1", 4567): mock.MagicMock()}
mocked_conns[("broker_1", 4567)].recv.side_effect = recv
client = AIOKafkaClient(["broker_1:4567"], loop=self.loop)
client._conns = mocked_conns
brokers = [BrokerMetadata(0, "broker_1", 4567), BrokerMetadata(1, "broker_2", 5678)]
topics = [
TopicMetadata("topic_still_creating", NO_LEADER, []),
TopicMetadata("topic_doesnt_exist", UNKNOWN_TOPIC_OR_PARTITION, []),
TopicMetadata(
"topic_noleaders",
NO_ERROR,
[
PartitionMetadata("topic_noleaders", 0, -1, [], [], NO_LEADER),
PartitionMetadata("topic_noleaders", 1, -1, [], [], NO_LEADER),
],
),
]
protocol.decode_metadata_response.return_value = MetadataResponse(brokers, topics)
self.loop.run_until_complete(client.load_metadata_for_topics())
# Topics with no partitions return False
self.assertFalse(client.has_metadata_for_topic("topic_still_creating"))
self.assertFalse(client.has_metadata_for_topic("topic_doesnt_exist"))
# Topic with partition metadata, but no leaders return True
self.assertTrue(client.has_metadata_for_topic("topic_noleaders"))
