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🐛 fix flaky TestPatchHelper test #5215

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sbueringer
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@sbueringer sbueringer commented Sep 7, 2021

What this PR does / why we need it:
This PR fixes the two flaky test cases in TestPatchHelper (which are two of the most frequent ones we have right now).

The test assumes that the condition we have in the local object is exactly the same compared to the condition after the patch on the server-side. This is not true, because the patch helper re-calculates the LastTransitionTime during the patch func. In theory there are a few more test cases which should be affected. According to testgrid only those two are flaky.

Q:

  • Should I also adjust other test cases in the same test accordingly? (I could introduce a func which compares conditions while ignoring LastTransitionTime)

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Sep 7, 2021
@sbueringer sbueringer changed the title 🐛 fix flaky patch test 🐛 fix flaky TestPatchHelper test Sep 7, 2021
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Sep 7, 2021
util/patch/patch_test.go Outdated Show resolved Hide resolved
Signed-off-by: Stefan Büringer [email protected]
@sbueringer sbueringer force-pushed the pr-fix-flakey-patch-test branch from efe4335 to 18dc650 Compare September 7, 2021 14:47
@k8s-ci-robot k8s-ci-robot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Sep 7, 2021
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sbueringer commented Sep 7, 2021

I adjusted all tests in this file accordingly. When easily possible I tried to return the condition in Eventually to get more expressive error messages if the test fails.

@fabriziopandini
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 7, 2021
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/approve
/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vincepri

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Sep 8, 2021
@k8s-ci-robot k8s-ci-robot merged commit d56c775 into kubernetes-sigs:master Sep 8, 2021
@k8s-ci-robot k8s-ci-robot added this to the v0.4 milestone Sep 8, 2021
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4 participants