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refactor(postage): enable parallel test #4656

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@ersonp ersonp commented Apr 24, 2024

Checklist

  • I have read the coding guide.
  • My change requires a documentation update, and I have done it.
  • I have added tests to cover my changes.
  • I have filled out the description and linked the related issues.

Description

Enable parallel testing in pkg/postage by adding t.Parallel() to test functions, convert some code to helper functions to fix scope issues, use t.Cleanup() instead of defer in Parallel tests, and remove disable paralleltest on pkg/postage from .golangci.yml.

Open API Spec Version Changes (if applicable)

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Related Issue (Optional)

closes #3831

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// tests a valid stamp
t.Run("valid stamp", func(t *testing.T) {
t.Parallel()

owner, signer := generateOwnerAndSigner(t)
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Do we have to generate/get owner, signer every time for each test?

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If we generate/get owner, signer just once as we were doing before, then the test fails with the following error

ethersphere/bee/v2/pkg/postage

--- FAIL: TestStamperStamping (0.01s)
    --- FAIL: TestStamperStamping/reuse_index_but_get_new_timestamp_for_mutable_or_immutable_batch (0.00s)
        /Users/ersonpereira/Workspace/work/bee/pkg/postage/stamper_test.go:142: expected no error, got owner mismatch
    --- FAIL: TestStamperStamping/valid_stamp (0.00s)
        /Users/ersonpereira/Workspace/work/bee/pkg/postage/stamper_test.go:53: expected no error, got owner mismatch
FAIL
FAIL	github.com/ethersphere/bee/v2/pkg/postage	0.513s
FAIL

So generating owner, signer for each test fixes this issue.

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@acha-bill acha-bill left a comment

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LGTM
+1 for @martinconic's comment

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enable paralleltest lint check in pkg/postage
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