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lib: fix coverage reporting #20035

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lib: fix coverage reporting #20035

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addaleax
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Taking the source code of a function and running it in another
context does not play well with coverage instrumentation.
For now, do the simple thing and just write the source code as
a string literal.

Fixes: #19912
Refs: #19524

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

@addaleax
lib: fix coverage reporting
5fcf108 
Taking the source code of a function and running it in another
context does not play well with coverage instrumentation.
For now, do the simple thing and just write the source code as
a string literal.

Fixes: nodejs#19912
Refs: nodejs#19524
@addaleax addaleax added build Issues and PRs related to build files or the CI. dont-land-on-v6.x labels Apr 14, 2018
@nodejs-github-bot nodejs-github-bot added the util Issues and PRs related to the built-in util module. label Apr 14, 2018
@addaleax addaleax added fast-track PRs that do not need to wait for 48 hours to land. author ready PRs that have at least one approval, no pending requests for changes, and a CI started. labels Apr 14, 2018
@addaleax
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CI: https://ci.nodejs.org/job/node-test-commit/17759/

@richardlau
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CI failure looks related, e.g., https://ci.nodejs.org/job/node-test-commit-osx/nodes=osx1010/17833/consoleFull

npm ERR! weird error structured-stack:1
npm ERR! weird error function() {
npm ERR! weird error         ^
npm ERR! weird error 
npm ERR! weird error SyntaxError: Unexpected token (
npm ERR! weird error     at new Script (vm.js:74:7)
npm ERR! weird error     at createScript (vm.js:246:10)
npm ERR! weird error     at runInNewContext (vm.js:291:10)
npm ERR! weird error     at isInsideNodeModules (internal/util.js:393:26)
npm ERR! weird error     at showFlaggedDeprecation (buffer.js:149:8)
npm ERR! weird error     at new Buffer (buffer.js:174:3)
npm ERR! weird error     at Object.<anonymous> (/Users/iojs/build/workspace/node-test-commit-osx/nodes/osx1010/deps/npm/node_modules/mississippi/node_modules/duplexify/index.js:6:20)
npm ERR! weird error     at Module._compile (internal/modules/cjs/loader.js:678:30)
npm ERR! weird error     at Object.Module._extensions..js (internal/modules/cjs/loader.js:689:10)
npm ERR! weird error     at Module.load (internal/modules/cjs/loader.js:589:32)
make[2]: *** [tools/doc/node_modules/js-yaml/package.json] Error 1
make[1]: *** [doc-only] Error 2
make[1]: *** Waiting for unfinished jobs....

richardlau
richardlau previously requested changes Apr 15, 2018
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@richardlau richardlau left a comment •
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Fails CI. Feel free to dismiss my review if I'm not around when this is addressed.

lpinca
lpinca reviewed Apr 15, 2018
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lib/internal/util.js Outdated
@@ -390,17 +390,16 @@ function isInsideNodeModules() {
// Use `runInNewContext()` to get something tamper-proof and
// side-effect-free. Since this is currently only used for a deprecated API,
// the perf implications should be okay.
getStructuredStack = runInNewContext('(' + function() {
getStructuredStack = runInNewContext(`function() {
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It seems a leading ( has been accidentally removed.

@addaleax
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New CI: https://ci.nodejs.org/job/node-test-commit/17769/

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trivikr commented Apr 15, 2018

The next coverage will start in ~10 hours at 0300 UTC
This PR is being fast-tracked and has got 5 approvals already. So, it should be good to merge by then.

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Landed in 85e1819

@addaleax addaleax closed this Apr 15, 2018
@addaleax addaleax deleted the fix-cov branch April 15, 2018 21:18
addaleax added a commit that referenced this pull request Apr 15, 2018
@addaleax
lib: fix coverage reporting
85e1819 
Taking the source code of a function and running it in another
context does not play well with coverage instrumentation.
For now, do the simple thing and just write the source code as
a string literal.

Fixes: #19912
Refs: #19524

PR-URL: #20035
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
jasnell pushed a commit that referenced this pull request Apr 16, 2018
@addaleax @jasnell
lib: fix coverage reporting
445a89f 
Taking the source code of a function and running it in another
context does not play well with coverage instrumentation.
For now, do the simple thing and just write the source code as
a string literal.

Fixes: #19912
Refs: #19524

PR-URL: #20035
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
@snyk-bot snyk-bot mentioned this pull request Jun 3, 2020
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@snyk-bot snyk-bot mentioned this pull request Jun 4, 2020
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@snyk-bot snyk-bot mentioned this pull request Jun 14, 2020
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@kissofire kissofire mentioned this pull request Nov 14, 2023
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@jasnell jasnell jasnell approved these changes

@lpinca lpinca lpinca approved these changes

@TimothyGu TimothyGu TimothyGu approved these changes

@cjihrig cjihrig cjihrig approved these changes

@BridgeAR BridgeAR BridgeAR approved these changes

@ryzokuken ryzokuken ryzokuken approved these changes

@trivikr trivikr trivikr approved these changes

@richardlau richardlau richardlau left review comments

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coverage.nodejs.org misreporting
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@addaleax @richardlau @trivikr @jasnell @lpinca @TimothyGu @cjihrig @BridgeAR @ryzokuken @nodejs-github-bot