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https://issues.apache.org/jira/browse/BEAM-2735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16117404#comment-16117404
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ASF GitHub Bot commented on BEAM-2735:
--------------------------------------
GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/3698
[BEAM-2735] Update Custom Window Merging Tests
Update the merge windows to be order-independent.
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---
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam custom_merging_test
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3698.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3698
----
----
> testMergingCustomWindows tests are incorrect
> --------------------------------------------
>
> Key: BEAM-2735
> URL: https://issues.apache.org/jira/browse/BEAM-2735
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.2.0
> Reporter: Thomas Groh
> Assignee: Etienne Chauchot
>
> If the input is rewritten to use to use {{TestStream}}, and executes in the
> DirectRunner, the tests fail. My expectation is that this is due to a
> disagreement in what the tests expect to be merged (if all of the merging
> logic is run only once), as opposed to running the merging logic
> incrementally with a perfect watermark.
> This is also causing failures in the Dataflow {{ValidatesRunner}} suite.
> {code:java}
> PCollection<String> inputCollection =
> pipeline.apply(
> TestStream.create(StringUtf8Coder.of())
>
> .advanceWatermarkTo(startInstant.plus(Duration.standardSeconds(10L)))
> .addElements("big")
>
> .advanceWatermarkTo(startInstant.plus(Duration.standardSeconds(20L)))
> .addElements("small1")
>
> .advanceWatermarkTo(startInstant.plus(Duration.standardSeconds(39L)))
> .addElements("small2")
>
> .advanceWatermarkTo(startInstant.plus(Duration.standardSeconds(250L)))
> .advanceWatermarkToInfinity());
> {code}
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