[jira] [Updated] (BEAM-694) Add TriggerTester methods to check that timers are set

["Kenneth Knowles (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-694:
---------------------------------
    Summary: Add TriggerTester methods to check that timers are set  (was: TriggerTester doesn't test timer firings)

> Add TriggerTester methods to check that timers are set
> ------------------------------------------------------
>
>                 Key: BEAM-694
>                 URL: https://issues.apache.org/jira/browse/BEAM-694
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-core
>            Reporter: Eugene Kirpichov
>            Priority: Minor
>              Labels: easy, starter
>
> TriggerTester exposes a `fireIfShouldFire(BoundedWIndow)` method. This is used to prompt a call to the trigger with the current state of the trigger tester (Input Watermarks, elements present, etc), and see if the trigger should fire.
> The TriggerTester should automatically call back to the trigger with the current state whenever a Timer fires, as specified by the current watermarks and any Timers set by the trigger under test. This ensures that Triggers set underlying timers properly, so the trigger will fire even if no additional elements arrive.



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