apache / apache/beam

Test pipeline that uses side input from prior window

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core java P3 tests
Dominant language
Java
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Description

Noted in a doc addressing BEAM-260, we don't actually have any end-to-end tests of side input from a window different from the main input window. We should have unit tests which are RunnableOnService.

Imported from Jira [BEAM-650](https://issues.apache.org/jira/browse/BEAM-650). Original Jira may contain additional context.
Reported by: kenn.

Contributor guide

Open the contributing guide

Research direction

No file or test entry point is named; start with the documentation addressing BEAM-260 and the linked BEAM-650 context, then locate existing side-input tests. Done means adding RunnableOnService tests that exercise side input from a window different from the main input window.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
stream-processing, testing
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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