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Bug Fixing (programming.dev)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 7 months ago (3 children)

Ever work?

[–] [email protected] 5 points 7 months ago* (last edited 7 months ago)

All the time. Causes include:

Test depends on an external system (database, package manager)
Race conditions
Failing the test cleared bad state (test expects test data not to be in the system and clears it when it exits)
Failing test set up unknown prerequisite (Build 2 tests depends on changes in Build 1 but build system built them out of order)
External forces messing with the test runner (test machine going to sleep or running out of resources)

We call those "flaky tests" and only fail a build if a given test cannot pass after 2 retries. (We also flag the test runs for manual review)

[–] [email protected] 3 points 7 months ago

I mean

maybe

[–] [email protected] 1 points 7 months ago

Not with code, but i write a lot of LaTeX and that often starts working on second compilation