Fix flacky tests #2178
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Fix flacky tests #2178
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* new function for initialize test logger Signed-off-by: NastyaAR <[email protected]>
eleftherias
reviewed
Oct 16, 2025
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Thanks for the PR @NastyaAR!
The overall approach looks good, I've left a few comments inline.
| return unstructuredLogs | ||
| } | ||
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| func InitializeTest() *observer.ObservedLogs { |
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Since this is only used in config_test.go let's make it a test helper in that file.
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| logger := zap.New(core) | ||
| zap.ReplaceGlobals(logger) | ||
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Let's add a cleanup step here that restores the global logger
originalLogger := zap.L()
zap.ReplaceGlobals(testLogger)
t.Cleanup(func() {
zap.ReplaceGlobals(originalLogger)
})
| } | ||
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| func TestFindClientConfigs(t *testing.T) { | ||
| t.Parallel() |
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We cannot run this test in parallel with others because it replaces the global logger. If multiple tests do this, it's not clear which logger will be used.
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This problem occured due to parallel reading of os.Stderr (logger.Initialize ->logger.InitializeWithEnv -> zap.Config.Build) and writing to it when intercepting stderr in TestFindClientConfigs.
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