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https://issues.apache.org/jira/browse/BEAM-546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17132515#comment-17132515
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Beam JIRA Bot commented on BEAM-546:
------------------------------------
This issue is assigned but has not received an update in 30 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Aggregator Verifier and Integrate to E2E Test Framework
> -------------------------------------------------------
>
> Key: BEAM-546
> URL: https://issues.apache.org/jira/browse/BEAM-546
> Project: Beam
> Issue Type: Task
> Components: testing
> Reporter: Mark Liu
> Assignee: Mark Liu
> Priority: P3
> Labels: stale-assigned
>
> Create a matcher to verify the value of
> [Aggregator|https://github.com/apache/incubator-beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Aggregator.java],
> which is
> [AggregatorValues|https://github.com/apache/incubator-beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/AggregatorValues.java],
> by given expected values.
> For example:
> {code}
> MyFnWithAggregator fn = new MyFnWithAggregator();
> Pipeline p = ... (setup the pipeline, use fn) ...
> p.run();
> assertThat(pResult, isAggregatorValue(values, fn.aggregator));
> {code}
> It also should be integrated in E2E pipeline test and used by setting
> onSuccessMatcher.
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