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_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))