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[tests] Disallow unasserted console.log #28708

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merged 3 commits into from
Apr 1, 2024

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rickhanlonii
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Followup from #28693 and #28680.

In CI, we fail the test for any unasserted console.log. In DEV, we don't fail, but you can still use the matchers and we'll assert on them.

@facebook-github-bot facebook-github-bot added CLA Signed React Core Team Opened by a member of the React Core Team labels Apr 1, 2024
@@ -35,6 +35,9 @@ describe('ReactStrictMode', () => {
});

it('should appear in the client component stack', async () => {
// TODO REMOVE AFTER TESTING THIS FAILS ON PR
console.log('hit');
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I'm expecting the test to fail just to confirm the CI envar is set properly, then I'll remove this.

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react-sizebot commented Apr 1, 2024

Comparing: 95e6f03...b98343b

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name +/- Base Current +/- gzip Base gzip Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js = 177.10 kB 177.10 kB = 55.05 kB 55.05 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js = 172.94 kB 172.94 kB = 53.91 kB 53.91 kB
facebook-www/ReactDOM-prod.classic.js = 592.68 kB 592.68 kB = 103.96 kB 103.96 kB
facebook-www/ReactDOM-prod.modern.js = 574.37 kB 574.37 kB = 100.98 kB 100.98 kB
test_utils/ReactAllWarnings.js Deleted 64.93 kB 0.00 kB Deleted 16.24 kB 0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show
Name +/- Base Current +/- gzip Base gzip Current gzip
test_utils/ReactAllWarnings.js Deleted 64.93 kB 0.00 kB Deleted 16.24 kB 0.00 kB

Generated by 🚫 dangerJS against b98343b

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We could also get a more uniform behavior and easier code if we always disallow console.log, and just use console.debug for local debugging.
Don't have a strong preference through. If tests pass and you remove the temporary code to test that this behaves correctly in CI, sounds good to me.

@rickhanlonii
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Yeah it would be super annoying to have to use console.debug in DEV

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kassens commented Apr 1, 2024

Isn't console.debug basically the same in Node? Anyway, really happy with this either way as it's easy to regress and have tests log walls of text.

@rickhanlonii rickhanlonii merged commit 6e65010 into facebook:main Apr 1, 2024
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@rickhanlonii rickhanlonii deleted the rh/to-log-dev branch April 2, 2024 13:24
EdisonVan pushed a commit to EdisonVan/react that referenced this pull request Apr 15, 2024
Followup from facebook#28693 and
facebook#28680.

In CI, we fail the test for any unasserted console.log. In DEV, we don't
fail, but you can still use the matchers and we'll assert on them.
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4 participants