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https://issues.apache.org/jira/browse/BEAM-694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15533505#comment-15533505
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Thomas Groh commented on BEAM-694:
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Original Discussion (jkff, tgroh)
E: Are you familiar with TriggerTester in general? I'm confused about it. Seems
like it set and deletes timers, but doesn't care about them afterwards (doesn't
fire them, nor even inspect when they could have fired).
T: It looks like it should
e.g. AfterWatermarkTest#testEarlyAndAtWatermark
E: I tried removing the code that sets and deletes timers in TriggerTester and
the various trigger tests still pass
T: Hrm
That's worrying
Yeah, that actually makes more sense
Because fireIfShouldFire is explicitly invoked
So we don't need actual callbacks
Which is probably broken
We should advance the watermark and assert that the trigger did fire instead
(e.g. got a callback)
*i.e.
E: You mean TriggerTester is broken?
T: It doesn't actually test that we're registering the appropriate callback
so it's not so much broken as it is itself not sufficient to demonstrate proper
triggering behavior
and/or proper interaction with TimerInternals
> TriggerTester doesn't test timer firings
> ----------------------------------------
>
> Key: BEAM-694
> URL: https://issues.apache.org/jira/browse/BEAM-694
> Project: Beam
> Issue Type: Bug
> Reporter: Eugene Kirpichov
>
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