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GeezerVison is showing github.com — test: refactoring and cleanup on child-process tests by jasnell · Pull Request #32078 · nodejs/node

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@jasnell

@jasnell jasnell commented Mar 3, 2020 •
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Commit 1 in this scratches an itch I've had for a while: it adds a common.debug() to test/common/index.js that uses util.debuglog() as a way of avoiding use of console.log() statements in tests that are not part of the test itself.

To enable the debug output while running tests, set the environment variable NODE_DEBUG=test.

Commit 2 Makes a number of improvements to child process tests including use of the debuglog(), more must calls, and use of ../common/countdown where appropriate.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

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@nodejs-github-bot nodejs-github-bot added the test Issues and PRs related to Node.js core tests and test infrastructure. label Mar 3, 2020
@jasnell
jasnell force-pushed the test-common-debug branch from 07b1131 to 52df9f5 Compare March 4, 2020 00:06
@gengjiawen

gengjiawen commented Mar 4, 2020

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test parallel/test-child-process-fork-net-server failed.
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@jasnell

jasnell commented Mar 4, 2020

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Interesting... it's passing locally for me. Will investigate.
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@jasnell

jasnell commented Mar 4, 2020

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Looks like one of the events in question is not emitted consistently across platforms. Trying again.
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@jasnell

jasnell commented Mar 4, 2020 •
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Ok looks good now. The events in that test definitely are not very consistent. Added some TODO comments to encourage they be looked at again later.
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@jasnell
jasnell force-pushed the test-common-debug branch from 8b557b8 to 27c8456 Compare March 4, 2020 22:53
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nodejs-github-bot commented Mar 4, 2020

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CI: https://ci.nodejs.org/job/node-test-pull-request/29558/
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@jasnell

jasnell commented Mar 5, 2020

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Finally, a good CI run. Turns out the actual emission of events in parallel/test-child-process-fork-net-server is quite flaky from one OS to the next to degree that we cannot make any guarantees about which are going to fire. That's very unfortunate really. I've added todo comments in case someone wishes to get back to it.
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@jasnell
jasnell requested a review from Trott March 5, 2020 20:19
BridgeAR
BridgeAR reviewed Mar 9, 2020
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Comment thread test/common/README.md Resolved

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@BridgeAR BridgeAR mentioned this pull request Mar 9, 2020
tools: add debuglog eslint rule #32161
Closed
4 tasks done
@sam-github

sam-github commented Mar 20, 2020

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I assumed this would have landed already, and was just searching for the debug utility, with no luck.

We really need to be able to leave debug messages in tests, ones that normally have no output, but where the output can be turned on.

Every time I have to debug a test I start by injecting console.log statements into them so I know where they are failing... then delete them before PRing. Its not a good way to do things.

If the PR is stalled on the stability of tests, maybe the base feature can be PRed on its own?
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@cjihrig

cjihrig commented Mar 20, 2020

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@sam-github I think it's stalled on this alternate proposal: #32078 (comment)
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@jasnell
test: refactoring / cleanup on child-process tests
bd51d52
@jasnell
jasnell force-pushed the test-common-debug branch from 27c8456 to bd51d52 Compare March 23, 2020 20:07
@jasnell jasnell changed the title test: add common.debug utility and improve child_process tests test: refactoring and cleanup on child-process tests Mar 23, 2020
@jasnell

jasnell commented Mar 23, 2020

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Went head and removed the common.debug() from this PR to allow the improvements in the tests to move forward.
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CI: https://ci.nodejs.org/job/node-test-pull-request/29999/
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gireeshpunathil
gireeshpunathil approved these changes Mar 24, 2020
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jasnell added a commit that referenced this pull request Mar 24, 2020
@jasnell
test: refactoring / cleanup on child-process tests
d0c0e20 
PR-URL: #32078
Reviewed-By: Gireesh Punathil <[email protected]>
@jasnell

jasnell commented Mar 24, 2020

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Landed in d0c0e20
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@jasnell jasnell closed this Mar 24, 2020
MylesBorins pushed a commit that referenced this pull request Mar 25, 2020
@jasnell @MylesBorins
test: refactoring / cleanup on child-process tests
07e4131 
PR-URL: #32078
Reviewed-By: Gireesh Punathil <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Mar 25, 2020
v13.12.0 proposal #32376
Merged
@targos targos added backport-blocked-v12.x and removed backport-blocked-v12.x labels Apr 22, 2020
targos pushed a commit to targos/node that referenced this pull request Apr 25, 2020
@jasnell @targos
test: refactoring / cleanup on child-process tests
be92b25 
PR-URL: nodejs#32078
Reviewed-By: Gireesh Punathil <[email protected]>
targos pushed a commit that referenced this pull request Apr 28, 2020
@jasnell @targos
test: refactoring / cleanup on child-process tests
e3baee6 
PR-URL: #32078
Reviewed-By: Gireesh Punathil <[email protected]>
@targos targos mentioned this pull request May 2, 2020
v12.17.0 release proposal #33197
Merged
targos pushed a commit that referenced this pull request May 10, 2020
@BridgeAR @targos
tools: add eslint rule to only pass through 'test' to debuglog
36b2e25 
This makes sure all usages of `util.debuglog()` must contain the
string 'test' as argument.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
targos pushed a commit that referenced this pull request May 10, 2020
@BridgeAR @targos
tools: remove obsolete no-restricted-syntax eslint rules
1858472 
These rules only apply for the test folder and will already be
checked for.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
codebytere pushed a commit that referenced this pull request May 11, 2020
@BridgeAR @codebytere
tools: add eslint rule to only pass through 'test' to debuglog
804982c 
This makes sure all usages of `util.debuglog()` must contain the
string 'test' as argument.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
codebytere pushed a commit that referenced this pull request May 11, 2020
@BridgeAR @codebytere
tools: remove obsolete no-restricted-syntax eslint rules
cf03fe5 
These rules only apply for the test folder and will already be
checked for.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
codebytere pushed a commit that referenced this pull request Jun 7, 2020
@BridgeAR @codebytere
tools: add eslint rule to only pass through 'test' to debuglog
5d5e66c 
This makes sure all usages of `util.debuglog()` must contain the
string 'test' as argument.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
codebytere pushed a commit that referenced this pull request Jun 7, 2020
@BridgeAR @codebytere
tools: remove obsolete no-restricted-syntax eslint rules
cdd7d3a 
These rules only apply for the test folder and will already be
checked for.

PR-URL: #32161
Refs: #32078
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
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Reviewers

@BridgeAR BridgeAR BridgeAR left review comments
@gireeshpunathil gireeshpunathil gireeshpunathil approved these changes
@Trott Trott Awaiting requested review from Trott
+1 more reviewer
@sam-github sam-github sam-github left review comments
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9 participants

@jasnell @gengjiawen @nodejs-github-bot @sam-github @cjihrig @Trott @gireeshpunathil @BridgeAR @targos
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