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test: improve error reporting in test-child-process-pipe-dataflow - #37632

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Trott:mv-to-exit
Mar 9, 2021
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test: improve error reporting in test-child-process-pipe-dataflow#37632
Trott merged 1 commit into
nodejs:masterfrom
Trott:mv-to-exit

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@TrottTrott commented Mar 6, 2021

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When the test fails, it usually ends up failing on the assertion that
wc did not find as many bytes as it expected. That may not be
helpful if it is caused by a failure earlier in the command
pipeline ( cat | grep | wc ). Move the byte check to
process.on('exit') so that other error handlers that report the
existence of errors run first.

Refs: #25988

@TrottTrott added the flaky-test Issues and PRs related to the tests with unstable failures on the CI. label Mar 6, 2021
@nodejs-github-botnodejs-github-bot added needs-ci PRs that need a full CI run. test Issues and PRs related to the tests. labels Mar 6, 2021
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@Trott

Trott commented Mar 8, 2021

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@nodejs/testing This could use some reviews.

When the test fails, it usually ends up failing on the assertion that
`wc` did not find as many bytes as it expected. That may not be
helpful if it is caused by a failure earlier in the command
pipeline ( cat | grep | wc ). Move the byte check to
`process.on('exit')` so that other error handlers that report the
existence of errors run first.
Refs: nodejs#25988
PR-URL: nodejs#37632
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
@Trott

Trott commented Mar 9, 2021

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Landed in 7f54dd4

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Trott merged commit 7f54dd4 into nodejs:masterMar 9, 2021
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Trott deleted the mv-to-exit branch March 9, 2021 05:39
danielleadams pushed a commit that referenced this pull request Mar 16, 2021
When the test fails, it usually ends up failing on the assertion that
`wc` did not find as many bytes as it expected. That may not be
helpful if it is caused by a failure earlier in the command
pipeline ( cat | grep | wc ). Move the byte check to
`process.on('exit')` so that other error handlers that report the
existence of errors run first.
Refs: #25988
PR-URL: #37632
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
@danielleadamsdanielleadams mentioned this pull request Mar 16, 2021
targos pushed a commit that referenced this pull request May 1, 2021
When the test fails, it usually ends up failing on the assertion that
`wc` did not find as many bytes as it expected. That may not be
helpful if it is caused by a failure earlier in the command
pipeline ( cat | grep | wc ). Move the byte check to
`process.on('exit')` so that other error handlers that report the
existence of errors run first.
Refs: #25988
PR-URL: #37632
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
@danielleadamsdanielleadams mentioned this pull request May 3, 2021
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