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TestKafkaBroker

faststream.kafka.TestKafkaBroker #

TestKafkaBroker(
    broker: KafkaBroker,
    /,
    *,
    with_real: bool = False,
    connect_only: bool | None = None,
)

TestKafkaBroker(
    *brokers: KafkaBroker,
    with_real: bool = False,
    connect_only: bool | None = None,
)

TestKafkaBroker(
    *brokers: KafkaBroker,
    with_real: bool = False,
    connect_only: bool | None = None,
)

Bases: TestBroker[KafkaBroker, EnterType]

A class to test Kafka brokers.

Source code in faststream/kafka/testing.py 
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def __init__(
    self,
    *brokers: KafkaBroker,
    with_real: bool = False,
    connect_only: bool | None = None,
) -> None:
    super().__init__(
        *brokers,
        with_real=with_real,
        connect_only=connect_only,
    )

with_real instance-attribute #

with_real = with_real

brokers instance-attribute #

brokers = brokers

connect_only instance-attribute #

connect_only = connect_only

create_publisher_fake_subscriber #

create_publisher_fake_subscriber(
    broker: KafkaBroker, publisher: LogicPublisher
) -> tuple[LogicSubscriber[Any], bool]
Source code in faststream/kafka/testing.py 
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def create_publisher_fake_subscriber(
    self,
    broker: KafkaBroker,
    publisher: "LogicPublisher",
) -> tuple["LogicSubscriber[Any]", bool]:
    sub: LogicSubscriber[Any] | None = None
    for handler in (s for b in self.brokers for s in b.subscribers):
        handler = cast("LogicSubscriber[Any]", handler)
        if _is_handler_matches(handler, publisher.topic, publisher.partition):
            sub = handler
            break

    if sub is None:
        is_real = False

        topic_name = publisher.topic

        if publisher.partition:
            tp = TopicPartition(
                topic=topic_name,
                partition=publisher.partition,
            )
            sub = broker.subscriber(
                partitions=[tp],
                batch=isinstance(publisher, BatchPublisher),
                persistent=False,
            )
        else:
            sub = broker.subscriber(
                topic_name,
                batch=isinstance(publisher, BatchPublisher),
                persistent=False,
            )
    else:
        is_real = True

    return sub, is_real