26 lines
885 B
ReStructuredText
26 lines
885 B
ReStructuredText
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.. _stream-testkit-scala:
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###############
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Testing streams
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###############
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Akka Streams comes with an :mod:`akka-stream-testkit` module that provides tools which can be used for controlling and asserting various parts of the stream pipeline.
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Probe Sink
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==========
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Using probe as a `Sink` allows manual control over demand and assertions over elements coming downstream. Streams testkit provides a sink that materializes to a :class:`TestSubscriber.Probe`.
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.. includecode:: code/docs/stream/StreamTestKitDocSpec.scala#test-sink-probe
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Probe Source
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============
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A source that materializes to :class:`TestPublisher.Probe` can be used for asserting demand or controlling when stream is completed or ended with an error.
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.. includecode:: code/docs/stream/StreamTestKitDocSpec.scala#test-source-probe
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*TODO*
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List by example various operations on probes. Using probes without a sink.
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