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https://issues.apache.org/jira/browse/BEAM-455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chamikara Jayalath updated BEAM-455:
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Summary: Implement a test harness for verifying correctness of custom
sources (was: Implement a test harness for verifying correcness of custom
sources)
> Implement a test harness for verifying correctness of custom sources
> --------------------------------------------------------------------
>
> Key: BEAM-455
> URL: https://issues.apache.org/jira/browse/BEAM-455
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py
> Reporter: Chamikara Jayalath
> Assignee: Chamikara Jayalath
>
> Verifying correctness of custom sources can be tricky, for example, due to
> complex interactions patterns that can occur when performing dynamic work
> rebalancing.
> Having a test harness with utilities for easily testing sources will be
> extremely useful for users.
> The proposed test harness will be similar to the one that is already
> available for Java SDK [1] but will be adjusted to match the Python custom
> source API.
> [1]
> https://github.com/apache/incubator-beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/testing/SourceTestUtils.java
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