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Bug Fixing (programming.dev)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 1 year ago (4 children)

Ever work?

[–] [email protected] 11 points 1 year ago (1 children)

Disturbingly, yes

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

Every sufficiently complicated system is indistinguishable from being alive, and living beings need some warm-up time.

[–] [email protected] 7 points 1 year ago* (last edited 1 year 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] 4 points 1 year ago

I mean

maybe

[–] [email protected] 1 points 1 year ago

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