def test_manual_subscribe_pattern(self):
msgs1 = yield from self.send_messages(0, range(0, 10))
msgs2 = yield from self.send_messages(1, range(10, 20))
available_msgs = msgs1 + msgs2
consumer = AIOKafkaConsumer(loop=self.loop,
group_id='test-group',
bootstrap_servers=self.hosts,
auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(pattern="topic-test_manual_subs*")
yield from consumer.start()
yield from consumer.seek_to_committed()
result = []
for i in range(20):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(available_msgs), set(result))
yield from consumer.commit(
{TopicPartition(self.topic, 0): OffsetAndMetadata(9, '')})
yield from consumer.seek_to_committed(TopicPartition(self.topic, 0))
msg = yield from consumer.getone(TopicPartition(self.topic, 0))
self.assertEqual(msg.value, b'9')
yield from consumer.commit(
{TopicPartition(self.topic, 0): OffsetAndMetadata(10, '')})
yield from consumer.stop()
# subscribe by topic
consumer = AIOKafkaConsumer(loop=self.loop,
group_id='test-group',
bootstrap_servers=self.hosts,
auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(topics=(self.topic, ))
yield from consumer.start()
yield from consumer.seek_to_committed()
result = []
for i in range(10):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(msgs2), set(result))
self.assertEqual(consumer.subscription(), set([self.topic]))
yield from consumer.stop()
def test_unknown_topic_or_partition(self):
consumer = AIOKafkaConsumer(
loop=self.loop, group_id=None,
bootstrap_servers=self.hosts, auto_offset_reset='earliest',
enable_auto_commit=False)
yield from consumer.start()
with self.assertRaises(UnknownTopicOrPartitionError):
yield from consumer.assign([TopicPartition(self.topic, 2222)])
yield from consumer.stop()
def test_consumer_group_without_subscription(self):
consumer = AIOKafkaConsumer(loop=self.loop,
group_id='group-{}'.format(self.id()),
bootstrap_servers=self.hosts,
enable_auto_commit=False,
auto_offset_reset='earliest',
heartbeat_interval_ms=100)
yield from consumer.start()
yield from asyncio.sleep(0.2, loop=self.loop)
yield from consumer.stop()
def test_manual_subscribe_pattern(self):
msgs1 = yield from self.send_messages(0, range(0, 10))
msgs2 = yield from self.send_messages(1, range(10, 20))
available_msgs = msgs1 + msgs2
consumer = AIOKafkaConsumer(
loop=self.loop, group_id='test-group',
bootstrap_servers=self.hosts, auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(pattern="topic-test_manual_subs*")
yield from consumer.start()
yield from consumer.seek_to_committed()
result = []
for i in range(20):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(available_msgs), set(result))
yield from consumer.commit(
{TopicPartition(self.topic, 0): OffsetAndMetadata(9, '')})
yield from consumer.seek_to_committed(TopicPartition(self.topic, 0))
msg = yield from consumer.getone()
self.assertEqual(msg.value, b'9')
yield from consumer.commit(
{TopicPartition(self.topic, 0): OffsetAndMetadata(10, '')})
yield from consumer.stop()
# subscribe by topic
consumer = AIOKafkaConsumer(
loop=self.loop, group_id='test-group',
bootstrap_servers=self.hosts, auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(topics=(self.topic,))
yield from consumer.start()
yield from consumer.seek_to_committed()
result = []
for i in range(10):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(msgs2), set(result))
self.assertEqual(consumer.subscription(), set([self.topic]))
yield from consumer.stop()
def test_consumer_stop_cancels_pending_position_fetches(self):
consumer = AIOKafkaConsumer(self.topic,
loop=self.loop,
bootstrap_servers=self.hosts,
group_id='group-%s' % self.id())
yield from consumer.start()
self.add_cleanup(consumer.stop)
self.assertTrue(consumer._pending_position_fetches)
pending_task = list(consumer._pending_position_fetches)[0]
yield from consumer.stop()
self.assertTrue(pending_task.cancelled())
def test_manual_subscribe_nogroup(self):
msgs1 = yield from self.send_messages(0, range(0, 10))
msgs2 = yield from self.send_messages(1, range(10, 20))
available_msgs = msgs1 + msgs2
consumer = AIOKafkaConsumer(
loop=self.loop, group_id=None,
bootstrap_servers=self.hosts, auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(topics=(self.topic,))
yield from consumer.start()
result = []
for i in range(20):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(available_msgs), set(result))
yield from consumer.stop()
def test_manual_subscribe_nogroup(self):
msgs1 = yield from self.send_messages(0, range(0, 10))
msgs2 = yield from self.send_messages(1, range(10, 20))
available_msgs = msgs1 + msgs2
consumer = AIOKafkaConsumer(
loop=self.loop, group_id=None,
bootstrap_servers=self.hosts, auto_offset_reset='earliest',
enable_auto_commit=False)
consumer.subscribe(topics=(self.topic,))
yield from consumer.start()
result = []
for i in range(20):
msg = yield from consumer.getone()
result.append(msg.value)
self.assertEqual(set(available_msgs), set(result))
yield from consumer.stop()
def test_consumer_wait_topic(self):
topic = "some-test-topic-for-autocreate"
consumer = AIOKafkaConsumer(
topic, loop=self.loop, bootstrap_servers=self.hosts)
yield from consumer.start()
consume_task = self.loop.create_task(consumer.getone())
# just to be sure getone does not fail (before produce)
yield from asyncio.sleep(0.5, loop=self.loop)
self.assertFalse(consume_task.done())
producer = AIOKafkaProducer(
loop=self.loop, bootstrap_servers=self.hosts)
yield from producer.start()
yield from producer.send(topic, b'test msg')
yield from producer.stop()
data = yield from consume_task
self.assertEqual(data.value, b'test msg')
yield from consumer.stop()
def test_ssl_consume(self):
# Produce by PLAINTEXT, Consume by SSL
# Send 3 messages
yield from self.send_messages(0, [1, 2, 3])
context = self.create_ssl_context()
group = "group-{}".format(self.id())
consumer = AIOKafkaConsumer(
self.topic, loop=self.loop, group_id=group,
bootstrap_servers=[
"{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
enable_auto_commit=True,
auto_offset_reset="earliest",
security_protocol="SSL", ssl_context=context)
yield from consumer.start()
results = yield from consumer.getmany(timeout_ms=1000)
[msgs] = results.values() # only 1 partition anyway
msgs = [msg.value for msg in msgs]
self.assertEqual(msgs, [b"1", b"2", b"3"])
yield from consumer.stop()
def test_producer_ssl(self):
# Produce by SSL consume by PLAINTEXT
topic = "test_ssl_produce"
context = self.create_ssl_context()
producer = AIOKafkaProducer(
loop=self.loop,
bootstrap_servers=[
"{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
security_protocol="SSL", ssl_context=context)
yield from producer.start()
yield from producer.send_and_wait(topic=topic, value=b"Super msg")
yield from producer.stop()
consumer = AIOKafkaConsumer(
topic, loop=self.loop,
bootstrap_servers=self.hosts,
enable_auto_commit=True,
auto_offset_reset="earliest")
yield from consumer.start()
msg = yield from consumer.getone()
self.assertEqual(msg.value, b"Super msg")
yield from consumer.stop()
def test_producer_ssl(self):
# Produce by SSL consume by PLAINTEXT
topic = "test_ssl_produce"
context = self.create_ssl_context()
producer = AIOKafkaProducer(
loop=self.loop,
bootstrap_servers=[
"{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
security_protocol="SSL", ssl_context=context)
yield from producer.start()
yield from producer.send_and_wait(topic=topic, value=b"Super msg")
yield from producer.stop()
consumer = AIOKafkaConsumer(
topic, loop=self.loop,
bootstrap_servers=self.hosts,
enable_auto_commit=True,
auto_offset_reset="earliest")
yield from consumer.start()
msg = yield from consumer.getone()
self.assertEqual(msg.value, b"Super msg")
yield from consumer.stop()
def test_exclude_internal_topics(self):
# Create random topic
my_topic = "some_noninternal_topic"
client = AIOKafkaClient(
loop=self.loop, bootstrap_servers=self.hosts,
client_id="test_autocreate")
yield from client.bootstrap()
yield from client._wait_on_metadata(my_topic)
yield from client.close()
# Check if only it will be subscribed
pattern = "^.*$"
consumer = AIOKafkaConsumer(
loop=self.loop, bootstrap_servers=self.hosts,
metadata_max_age_ms=200, group_id="some_group_1",
auto_offset_reset="earliest",
exclude_internal_topics=False)
consumer.subscribe(pattern=pattern)
yield from consumer.start()
self.assertIn("__consumer_offsets", consumer.subscription())
yield from consumer._client.force_metadata_update()
self.assertIn("__consumer_offsets", consumer.subscription())
yield from consumer.stop()
def test_consumer_rebalance_on_new_topic(self):
# Test will create a consumer group and check if adding new topic
# will trigger a group rebalance and assign partitions
pattern = "^another-autocreate-pattern-.*$"
client = AIOKafkaClient(
loop=self.loop, bootstrap_servers=self.hosts,
client_id="test_autocreate")
yield from client.bootstrap()
listener1 = StubRebalanceListener(loop=self.loop)
listener2 = StubRebalanceListener(loop=self.loop)
consumer1 = AIOKafkaConsumer(
loop=self.loop, bootstrap_servers=self.hosts,
metadata_max_age_ms=200, group_id="test-autocreate-rebalance",
heartbeat_interval_ms=100)
consumer1.subscribe(pattern=pattern, listener=listener1)
yield from consumer1.start()
consumer2 = AIOKafkaConsumer(
loop=self.loop, bootstrap_servers=self.hosts,
metadata_max_age_ms=200, group_id="test-autocreate-rebalance",
heartbeat_interval_ms=100)
consumer2.subscribe(pattern=pattern, listener=listener2)
yield from consumer2.start()
yield from asyncio.sleep(0.5, loop=self.loop)
# bootstrap will take care of the initial group assignment
self.assertEqual(consumer1.assignment(), set())
self.assertEqual(consumer2.assignment(), set())
listener1.reset()
listener2.reset()
# Lets force autocreation of a topic
my_topic = "another-autocreate-pattern-1"
yield from client._wait_on_metadata(my_topic)
# Wait for group to stabilize
assign1 = yield from listener1.wait_assign()
assign2 = yield from listener2.wait_assign()
# We expect 2 partitons for autocreated topics
my_partitions = set([
TopicPartition(my_topic, 0), TopicPartition(my_topic, 1)])
self.assertEqual(assign1 | assign2, my_partitions)
self.assertEqual(
consumer1.assignment() | consumer2.assignment(),
my_partitions)
# Lets add another topic
listener1.reset()
listener2.reset()
my_topic2 = "another-autocreate-pattern-2"
yield from client._wait_on_metadata(my_topic2)
# Wait for group to stabilize
assign1 = yield from listener1.wait_assign()
assign2 = yield from listener2.wait_assign()
# We expect 2 partitons for autocreated topics
my_partitions = set([
TopicPartition(my_topic, 0), TopicPartition(my_topic, 1),
TopicPartition(my_topic2, 0), TopicPartition(my_topic2, 1)])
self.assertEqual(assign1 | assign2, my_partitions)
self.assertEqual(
consumer1.assignment() | consumer2.assignment(),
my_partitions)
yield from consumer1.stop()
yield from consumer2.stop()
yield from client.close()