DefaultPublisher

@override
async def publish(
    self,
    message: "SendableMessage",
    topic: str = "",
    *,
    key: bytes | str | None = None,
    partition: int | None = None,
    timestamp_ms: int | None = None,
    headers: Mapping[str, str | bytes | None] | None = None,
    correlation_id: str | None = None,
    reply_to: str = "",
    no_confirm: bool = False,
) -> asyncio.Future[Message | None] | Message | None:
    cmd = KafkaPublishCommand(
        message,
        topic=topic or self.topic,
        key=key or self.key,
        partition=partition if partition is not None else self.partition,
        reply_to=reply_to or self.reply_to,
        headers=self.headers | dict(headers or {}),
        correlation_id=correlation_id or self._outer_config.id_generator(),
        timestamp_ms=timestamp_ms,
        no_confirm=no_confirm,
        _publish_type=PublishType.PUBLISH,
    )
    msg: asyncio.Future[Message | None] | Message | None = await self._basic_publish(
        cmd,
        producer=self._outer_config.producer,
        _extra_middlewares=(),
    )
    return msg

@override
async def request(
    self,
    message: "SendableMessage",
    topic: str = "",
    *,
    key: bytes | str | None = None,
    partition: int | None = None,
    timestamp_ms: int | None = None,
    headers: Mapping[str, str | bytes | None] | None = None,
    correlation_id: str | None = None,
    timeout: float = 0.5,
) -> "KafkaMessage":
    return await super().request(
        message,
        topic=topic,
        key=key or self.key,
        partition=partition,
        timestamp_ms=timestamp_ms,
        headers=headers,
        correlation_id=correlation_id,
        timeout=timeout,
    )

async def assert_called_once_with(
    self,
    body: Any = EMPTY,
    /,
    *,
    headers: Any = EMPTY,
    correlation_id: Any = EMPTY,
    reply_to: Any = EMPTY,
    content_type: Any = EMPTY,
    path: Any = EMPTY,
    context: Mapping[str, Any] = EMPTY,
    key: Any = EMPTY,
    partition: Any = EMPTY,
) -> None:
    """Assert the endpoint was called once, with the message described here.

    Args:
        body: The body as a dict, a model or a matcher; it goes through the codec.
        headers: Headers the message must carry; the rest may carry more.
        correlation_id: The exact correlation id.
        reply_to: The exact reply-to destination.
        content_type: The exact content type.
        path: The exact path parameters the subject template matched.
        context: Context paths, as given to `Context()`, mapped to their values.
        key: The exact record key, as the bytes the client delivered.
        partition: The exact partition the record was read from.
    """
    await self._assert_called_once_with(
        self._expected_call(
            body,
            headers=headers,
            correlation_id=correlation_id,
            reply_to=reply_to,
            content_type=content_type,
            path=path,
            context=context,
            key=key,
            partition=partition,
        )
    )

async def assert_called_with(
    self,
    body: Any = EMPTY,
    /,
    *,
    headers: Any = EMPTY,
    correlation_id: Any = EMPTY,
    reply_to: Any = EMPTY,
    content_type: Any = EMPTY,
    path: Any = EMPTY,
    context: Mapping[str, Any] = EMPTY,
    key: Any = EMPTY,
    partition: Any = EMPTY,
) -> None:
    """Assert the last message the endpoint saw is the one described here.

    Args:
        body: The body as a dict, a model or a matcher; it goes through the codec.
        headers: Headers the message must carry; the rest may carry more.
        correlation_id: The exact correlation id.
        reply_to: The exact reply-to destination.
        content_type: The exact content type.
        path: The exact path parameters the subject template matched.
        context: Context paths, as given to `Context()`, mapped to their values.
        key: The exact record key, as the bytes the client delivered.
        partition: The exact partition the record was read from.
    """
    await self._assert_called_with(
        self._expected_call(
            body,
            headers=headers,
            correlation_id=correlation_id,
            reply_to=reply_to,
            content_type=content_type,
            path=path,
            context=context,
            key=key,
            partition=partition,
        )
    )

async def assert_any_call(
    self,
    body: Any = EMPTY,
    /,
    *,
    headers: Any = EMPTY,
    correlation_id: Any = EMPTY,
    reply_to: Any = EMPTY,
    content_type: Any = EMPTY,
    path: Any = EMPTY,
    context: Mapping[str, Any] = EMPTY,
    key: Any = EMPTY,
    partition: Any = EMPTY,
) -> None:
    """Assert one of the messages the endpoint saw is the one described here.

    Args:
        body: The body as a dict, a model or a matcher; it goes through the codec.
        headers: Headers the message must carry; the rest may carry more.
        correlation_id: The exact correlation id.
        reply_to: The exact reply-to destination.
        content_type: The exact content type.
        path: The exact path parameters the subject template matched.
        context: Context paths, as given to `Context()`, mapped to their values.
        key: The exact record key, as the bytes the client delivered.
        partition: The exact partition the record was read from.
    """
    await self._assert_any_call(
        self._expected_call(
            body,
            headers=headers,
            correlation_id=correlation_id,
            reply_to=reply_to,
            content_type=content_type,
            path=path,
            context=context,
            key=key,
            partition=partition,
        )
    )

async def start(self) -> None:
    pass

def set_test(
    self,
    *,
    recorder: CallRecorder | None = None,
    with_fake: bool,
) -> None:
    """Turn publisher to testing mode, sharing `recorder` when one is given."""
    self.is_test = True
    if recorder is None:
        self._recorder.reset()
    else:
        self._recorder = recorder
    self._fake_handler = with_fake

def reset_test(self) -> None:
    """Turn off publisher's testing mode."""
    self.is_test = False
    self._recorder.reset()
    # A shared recorder goes back to the handler it belongs to
    self._recorder = CallRecorder(self.specification.name, self._outer_config)
    self._fake_handler = False

def schema(self) -> dict[str, "PublisherSpec"]:
    return self.specification.get_schema()

async def flush(self) -> None:
    producer = cast("AsyncConfluentFastProducer", self._outer_config.producer)
    await producer.flush()