ci: add Go build and test cache to unit test jobs#4812
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walldiss wants to merge 2 commits intocelestiaorg:mainfrom
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ci: add Go build and test cache to unit test jobs#4812walldiss wants to merge 2 commits intocelestiaorg:mainfrom
walldiss wants to merge 2 commits intocelestiaorg:mainfrom
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Cache ~/go/pkg/mod and ~/.cache/go-build (which holds Go's built-in test result cache) between runs. Unchanged packages are not retested. Use layered restore keys so partial cache hits still benefit from previously compiled dependencies.
walldiss
requested review from
Wondertan,
mcrakhman,
renaynay and
vgonkivs
as code owners
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4812 +/- ##
==========================================
- Coverage 44.83% 35.83% -9.00%
==========================================
Files 265 311 +46
Lines 14620 21442 +6822
==========================================
+ Hits 6555 7684 +1129
- Misses 7313 12768 +5455
- Partials 752 990 +238 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Summary
actions/cache@v4to the unit test matrix jobs (ubuntu + macOS) caching both~/go/pkg/modand~/.cache/go-buildactions/setup-go's implicit module cache to avoid double-caching the same pathsgo.sum+ all.gofiles; falls back to go.sum-only, then OS-only for partial hitsWhy this helps
Go stores test results in
~/.cache/go-build. When the cache is restored,go testreplays cached results for packages whose source and dependencies haven't changed — those packages are not retested at all. Combined with reusing compiled dependencies, this significantly reduces both compile and test time on PRs that touch a small subset of packages.Closes https://linear.app/celestia/issue/DA-1125