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_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 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_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()