Bases: AioKafkaFastProducer
A fake Kafka producer for testing purposes.
This class extends AioKafkaFastProducer and is used to simulate Kafka message publishing during tests.
Source code in faststream/kafka/testing.py
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171 | def __init__(
self,
broker: KafkaBroker,
brokers: Sequence[KafkaBroker],
) -> None:
self.broker = broker
self.brokers = brokers
default = AioKafkaParser(
msg_class=KafkaMessage,
regex=None,
)
self._parser = ParserComposition(broker._parser, default.parse_message)
self._decoder = ParserComposition(broker._decoder, default.decode_message)
self.codec = broker.config.broker_codec or DefaultCodec()
|
instance-attribute
instance-attribute
instance-attribute
codec = broker.config.broker_codec or DefaultCodec()
async
Publish a message to the Kafka broker.
Source code in faststream/kafka/testing.py
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212 | @override
async def publish(self, cmd: "KafkaPublishCommand") -> None:
"""Publish a message to the Kafka broker."""
incoming = await build_message(
message=cmd.body,
topic=cmd.destination,
key=cmd.key,
partition=cmd.partition,
timestamp_ms=cmd.timestamp_ms,
headers=cmd.headers,
correlation_id=cmd.correlation_id,
reply_to=cmd.reply_to,
serializer=self.broker.config.fd_config._serializer,
codec=self.codec,
id_generator=self.broker.config.id_generator,
)
for handler in _find_handler(
self.subscribers,
cmd.destination,
cmd.partition,
):
msg_to_send = (
(incoming,) if isinstance(handler, BatchSubscriber) else incoming
)
await self._execute_handler(msg_to_send, cmd.destination, handler)
|
async
Source code in faststream/kafka/testing.py
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245 | @override
async def request(self, cmd: "KafkaPublishCommand") -> "ConsumerRecord":
incoming = await build_message(
message=cmd.body,
topic=cmd.destination,
key=cmd.key,
partition=cmd.partition,
timestamp_ms=cmd.timestamp_ms,
headers=cmd.headers,
correlation_id=cmd.correlation_id,
serializer=self.broker.config.fd_config._serializer,
codec=self.codec,
id_generator=self.broker.config.id_generator,
)
for handler in _find_handler(
self.subscribers,
cmd.destination,
cmd.partition,
):
msg_to_send = (
(incoming,) if isinstance(handler, BatchSubscriber) else incoming
)
with anyio.fail_after(cmd.timeout):
return await self._execute_handler(
msg_to_send,
cmd.destination,
handler,
)
raise SubscriberNotFound
|
async
Publish a batch of messages to the Kafka broker.
Source code in faststream/kafka/testing.py
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288 | @override
async def publish_batch(
self,
cmd: "KafkaPublishCommand",
) -> None:
"""Publish a batch of messages to the Kafka broker."""
serializer = self.broker.config.fd_config._serializer
if isinstance(self.codec, BatchCodecProto):
encoded = await self.codec.encode_batch(cmd.batch_bodies, serializer)
else:
encoded = [
await self.codec.encode(body, serializer) for body in cmd.batch_bodies
]
for handler in _find_handler(
self.subscribers,
cmd.destination,
cmd.partition,
):
messages = [
_build_record(
body=body,
content_type=content_type,
topic=cmd.destination,
partition=cmd.partition,
timestamp_ms=cmd.timestamp_ms,
key=cmd.key_for(message_position),
headers=cmd.headers,
correlation_id=cmd.correlation_id,
reply_to=cmd.reply_to,
id_generator=self.broker.config.id_generator,
)
for message_position, (body, content_type) in enumerate(encoded)
]
if isinstance(handler, BatchSubscriber):
await self._execute_handler(tuple(messages), cmd.destination, handler)
else:
for m in messages:
await self._execute_handler(m, cmd.destination, handler)
|
async
connect(
producer: AIOKafkaProducer,
serializer: Optional[SerializerProto],
codec: Optional[CodecProto] = None,
) -> None
Source code in faststream/kafka/publisher/producer.py
| async def connect(
self,
producer: "AIOKafkaProducer",
serializer: Optional["SerializerProto"],
codec: Optional["CodecProto"] = None,
) -> None: ...
|
async
Source code in faststream/kafka/publisher/producer.py
| async def disconnect(self) -> None: ...
|
async
Source code in faststream/kafka/publisher/producer.py
| async def flush(self) -> None: # ruff: ignore[no-self-use]
return None
|