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Posted to dev@kafka.apache.org by "Kevin (JIRA)" <ji...@apache.org> on 2019/04/11 11:54:00 UTC

[jira] [Created] (KAFKA-8216) MockConsumer's poll(Duration timeout) method doesn't wait for timeout

Kevin created KAFKA-8216:
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             Summary: MockConsumer's poll(Duration timeout) method doesn't wait for timeout
                 Key: KAFKA-8216
                 URL: https://issues.apache.org/jira/browse/KAFKA-8216
             Project: Kafka
          Issue Type: Bug
          Components: unit tests
    Affects Versions: 2.0.0
            Reporter: Kevin


While unit-testing a custom consumer class using the MockConsumer, I noticed that even though I'm using Consumer.poll(Duration timeout) the MockConsumer won't wait for the timeout before returning (and confirmed in the code). This weakens the unit tests, as we can't guarantee the number of times Consumer.poll (and the code that follows it in the loop) will be called.



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