def test_compacted_topic_consumption(self):
# Compacted topics can have offsets skipped
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp = TopicPartition('test', 0)
req = FetchRequest(
-1, # replica_id
100, 100, [(tp.topic, [(tp.partition, 155, 100000)])])
builder = LegacyRecordBatchBuilder(
magic=1, compression_type=0, batch_size=99999999)
builder.append(160, value=b"12345", key=b"1", timestamp=None)
builder.append(162, value=b"23456", key=b"2", timestamp=None)
builder.append(167, value=b"34567", key=b"3", timestamp=None)
batch = bytes(builder.build())
resp = FetchResponse(
[('test', [(
0, 0, 3000, # partition, error_code, highwater_offset
batch # Batch raw bytes
)])])
client.send.side_effect = asyncio.coroutine(lambda n, r: resp)
state = TopicPartitionState()
state.seek(155)
state.drop_pending_message_set = False
subscriptions.assignment[tp] = state
subscriptions.needs_partition_assignment = False
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
# Test successful getone
first = buf.getone()
self.assertEqual(state.position, 161)
self.assertEqual(
(first.value, first.key, first.offset),
(b"12345", b"1", 160))
# Test successful getmany
second, third = buf.getall()
self.assertEqual(state.position, 168)
self.assertEqual(
(second.value, second.key, second.offset),
(b"23456", b"2", 162))
self.assertEqual(
(third.value, third.key, third.offset),
(b"34567", b"3", 167))
def _setup_error_after_data(self):
subscriptions = SubscriptionState('latest')
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp1 = TopicPartition('some_topic', 0)
tp2 = TopicPartition('some_topic', 1)
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[tp1] = state
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[tp2] = state
subscriptions.needs_partition_assignment = False
# Add some data
messages = [ConsumerRecord(
topic="some_topic", partition=1, offset=0, timestamp=0,
timestamp_type=0, key=None, value=b"some", checksum=None,
serialized_key_size=0, serialized_value_size=4)]
fetcher._records[tp2] = FetchResult(
tp2, subscriptions=subscriptions, loop=self.loop,
records=iter(messages), backoff=0)
# Add some error
fetcher._records[tp1] = FetchError(
loop=self.loop, error=OffsetOutOfRangeError({}), backoff=0)
return fetcher, tp1, tp2, messages
def test_update_fetch_positions(self):
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
partition = TopicPartition('test', 0)
# partition is not assigned, should be ignored
yield from fetcher.update_fetch_positions([partition])
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[partition] = state
# partition is fetchable, no need to update position
yield from fetcher.update_fetch_positions([partition])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse[0]([('test', [(0, 0, [4])])]))
state.await_reset(OffsetResetStrategy.LATEST)
client.cluster.leader_for_partition = mock.MagicMock()
client.cluster.leader_for_partition.side_effect = [None, -1, 0]
yield from fetcher.update_fetch_positions([partition])
self.assertEqual(state.position, 4)
client.cluster.leader_for_partition = mock.MagicMock()
client.cluster.leader_for_partition.return_value = 1
client.send = mock.MagicMock()
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse[0]([('test', [(0, 3, [])])]))
state.await_reset(OffsetResetStrategy.LATEST)
with self.assertRaises(UnknownTopicOrPartitionError):
yield from fetcher.update_fetch_positions([partition])
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse[0]([('test', [(0, -1, [])])]))
with self.assertRaises(UnknownError):
yield from fetcher.update_fetch_positions([partition])
yield from fetcher.close()
def test_update_fetch_positions(self):
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
partition = TopicPartition('test', 0)
# partition is not assigned, should be ignored
yield from fetcher.update_fetch_positions([partition])
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[partition] = state
# partition is fetchable, no need to update position
yield from fetcher.update_fetch_positions([partition])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse([('test', [(0, 0, [4])])]))
state.await_reset(OffsetResetStrategy.LATEST)
client.cluster.leader_for_partition = mock.MagicMock()
client.cluster.leader_for_partition.side_effect = [None, -1, 0]
yield from fetcher.update_fetch_positions([partition])
self.assertEqual(state.position, 4)
client.cluster.leader_for_partition = mock.MagicMock()
client.cluster.leader_for_partition.return_value = 1
client.send = mock.MagicMock()
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse([('test', [(0, 3, [])])]))
state.await_reset(OffsetResetStrategy.LATEST)
with self.assertRaises(UnknownTopicOrPartitionError):
yield from fetcher.update_fetch_positions([partition])
client.send.side_effect = asyncio.coroutine(
lambda n, r: OffsetResponse([('test', [(0, -1, [])])]))
with self.assertRaises(UnknownError):
yield from fetcher.update_fetch_positions([partition])
yield from fetcher.close()
def test_proc_fetch_request(self):
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp = TopicPartition('test', 0)
tp_info = (tp.topic, [(tp.partition, 155, 100000)])
req = FetchRequest(
-1, # replica_id
100, 100, [tp_info])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
msg = Message(b"test msg")
msg._encode_self()
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 0, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[tp] = state
subscriptions.needs_partition_assignment = False
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone(), None) # invalid offset, msg is ignored
state.seek(4)
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone().value, b"test msg")
# error -> no partition found
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 3, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> topic auth failed
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 29, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(TopicAuthorizationFailedError):
yield from fetcher.next_record([])
# error -> unknown
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, -1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> offset out of range
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
self.assertEqual(state.is_fetchable(), False)
state.seek(4)
subscriptions._default_offset_reset_strategy = OffsetResetStrategy.NONE
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(OffsetOutOfRangeError):
yield from fetcher.next_record([])
yield from fetcher.close()
def test_proc_fetch_request(self):
client = AIOKafkaClient(loop=self.loop, bootstrap_servers=[])
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp = TopicPartition('test', 0)
tp_info = (tp.topic, [(tp.partition, 155, 100000)])
req = FetchRequest(
-1, # replica_id
100,
100,
[tp_info])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
msg = Message(b"test msg")
msg._encode_self()
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, 0, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[tp] = state
subscriptions.needs_partition_assignment = False
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone(), None) # invalid offset, msg is ignored
state.seek(4)
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone().value, b"test msg")
# error -> no partition found
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, 3, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> topic auth failed
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, 29, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(TopicAuthorizationFailedError):
yield from fetcher.next_record([])
# error -> unknown
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, -1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> offset out of range
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, 1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
self.assertEqual(state.is_fetchable(), False)
state.seek(4)
subscriptions._default_offset_reset_strategy = OffsetResetStrategy.NONE
client.send.side_effect = asyncio.coroutine(lambda n, r: FetchResponse(
[('test', [(0, 1, 9, [(4, 10, msg)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(OffsetOutOfRangeError):
yield from fetcher.next_record([])
yield from fetcher.close()
def test_compacted_topic_consumption(self):
# Compacted topics can have offsets skipped
client = AIOKafkaClient(loop=self.loop, bootstrap_servers=[])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp = TopicPartition('test', 0)
req = FetchRequest(
-1, # replica_id
100,
100,
[(tp.topic, [(tp.partition, 155, 100000)])])
msg1 = Message(b"12345", key=b"1")
msg1._encode_self()
msg2 = Message(b"23456", key=b"2")
msg2._encode_self()
msg3 = Message(b"34567", key=b"3")
msg3._encode_self()
resp = FetchResponse([(
'test',
[(
0,
0,
3000, # partition, error_code, highwater_offset
[
(160, 5, msg1), # offset, len_bytes, bytes
(162, 5, msg2),
(167, 5, msg3),
])])])
client.send.side_effect = asyncio.coroutine(lambda n, r: resp)
state = TopicPartitionState()
state.seek(155)
state.drop_pending_message_set = False
subscriptions.assignment[tp] = state
subscriptions.needs_partition_assignment = False
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
# Test successful getone
first = buf.getone()
self.assertEqual(state.position, 161)
self.assertEqual((first.value, first.key, first.offset),
(msg1.value, msg1.key, 160))
# Test successful getmany
second, third = buf.getall()
self.assertEqual(state.position, 168)
self.assertEqual((second.value, second.key, second.offset),
(msg2.value, msg2.key, 162))
self.assertEqual((third.value, third.key, third.offset),
(msg3.value, msg3.key, 167))
def test_proc_fetch_request(self):
client = AIOKafkaClient(
loop=self.loop,
bootstrap_servers=[])
subscriptions = SubscriptionState('latest')
fetcher = Fetcher(client, subscriptions, loop=self.loop)
tp = TopicPartition('test', 0)
tp_info = (tp.topic, [(tp.partition, 155, 100000)])
req = FetchRequest(
-1, # replica_id
100, 100, [tp_info])
client.ready = mock.MagicMock()
client.ready.side_effect = asyncio.coroutine(lambda a: True)
client.force_metadata_update = mock.MagicMock()
client.force_metadata_update.side_effect = asyncio.coroutine(
lambda: False)
client.send = mock.MagicMock()
builder = LegacyRecordBatchBuilder(
magic=1, compression_type=0, batch_size=99999999)
builder.append(offset=4, value=b"test msg", key=None, timestamp=None)
raw_batch = bytes(builder.build())
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 0, 9, raw_batch)])]))
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
state = TopicPartitionState()
state.seek(0)
subscriptions.assignment[tp] = state
subscriptions.needs_partition_assignment = False
fetcher._in_flight.add(0)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone(), None) # invalid offset, msg is ignored
state.seek(4)
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
buf = fetcher._records[tp]
self.assertEqual(buf.getone().value, b"test msg")
# error -> no partition found
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 3, 9, raw_batch)])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> topic auth failed
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 29, 9, raw_batch)])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(TopicAuthorizationFailedError):
yield from fetcher.next_record([])
# error -> unknown
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, -1, 9, raw_batch)])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
# error -> offset out of range with offset strategy
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 1, 9, raw_batch)])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
with mock.patch.object(fetcher, "update_fetch_positions") as mocked:
mocked.side_effect = asyncio.coroutine(lambda o: None)
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
self.assertEqual(state.is_fetchable(), False)
mocked.assert_called_with([tp])
# error -> offset out of range with strategy errors out
state.seek(4)
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 1, 9, [(4, 10, raw_batch)])])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
with mock.patch.object(fetcher, "update_fetch_positions") as mocked:
# the exception should not fail execution here
@asyncio.coroutine
def mock_async_raises(offests):
raise Exception()
mocked.side_effect = mock_async_raises
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, False)
self.assertEqual(state.is_fetchable(), False)
mocked.assert_called_with([tp])
# error -> offset out of range without offset strategy
state.seek(4)
subscriptions._default_offset_reset_strategy = OffsetResetStrategy.NONE
client.send.side_effect = asyncio.coroutine(
lambda n, r: FetchResponse(
[('test', [(0, 1, 9, raw_batch)])]))
fetcher._in_flight.add(0)
fetcher._records.clear()
needs_wake_up = yield from fetcher._proc_fetch_request(0, req)
self.assertEqual(needs_wake_up, True)
with self.assertRaises(OffsetOutOfRangeError):
yield from fetcher.next_record([])
yield from fetcher.close()
