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fix: TestOfferSnapshot flake #3957

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@rootulp rootulp commented Oct 9, 2024

Closes #3956

@rootulp rootulp self-assigned this Oct 9, 2024
@rootulp rootulp requested a review from a team as a code owner October 9, 2024 20:20
@rootulp rootulp requested review from cmwaters and evan-forbes and removed request for a team October 9, 2024 20:20
@celestia-bot celestia-bot requested a review from a team October 9, 2024 20:20
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coderabbitai bot commented Oct 9, 2024

📝 Walkthrough

Walkthrough

The changes in this pull request primarily focus on the app_test.go file, where the os package is added, and cleanup logic is implemented for temporary directories and databases. Two cleanup functions are introduced to ensure the proper deletion of the snapshot directory and closure of the snapshot database after the tests in createTestApp are executed. The existing test functions remain unchanged, continuing to validate application functionality.

Changes

File Change Summary
app/app_test.go Added os package import; implemented cleanup functions for snapshot directory and database.

Assessment against linked issues

Objective Addressed Explanation
Fix the flakiness of TestOfferSnapshot/should_ACCEPT_a_snapshot_with_app_version_1 (#3956)

Possibly related PRs

  • fix: e2e tests #3487: The changes in this PR involve modifications to the test structure and cleanup logic, which may relate to the overall testing framework and practices, particularly in ensuring tests run smoothly and reliably.

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knuu, WS: Maintenance 🔧


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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
app/app_test.go (1)

169-172: Good addition of cleanup for snapshot database

This cleanup function ensures proper closure of the snapshot database, which is crucial for resource management. The use of t.Cleanup is correct, and error checking is implemented properly.

For consistency with the previous cleanup function, consider using require.NoError(t, err) instead of require.NoError(t, err).

Here's a suggested minor improvement for consistency:

 t.Cleanup(func() {
 	err := snapshotDB.Close()
-	require.NoError(t, err)
+	require.NoError(t, err)
 })
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 206b96c and b119811.

📒 Files selected for processing (1)
  • app/app_test.go (2 hunks)
🧰 Additional context used
🔇 Additional comments (3)
app/app_test.go (3)

5-5: LGTM: Import of os package

The addition of the os package import is appropriate for the file system operations introduced in the cleanup tasks.


164-167: Excellent addition of cleanup for snapshot directory

This cleanup function effectively addresses the flakiness issue mentioned in the PR objectives. It ensures that the temporary snapshot directory is removed after the test, preventing the "directory not empty" error during cleanup.

The use of t.Cleanup is the correct approach for test cleanup in Go, and the error checking is properly implemented.


Line range hint 1-224: Summary: Effective solution to TestOfferSnapshot flakiness

The changes in this file successfully address the flakiness issue in the TestOfferSnapshot test case. By adding proper cleanup functions for both the snapshot directory and the snapshot database, the PR ensures that temporary resources are correctly managed and removed after test execution.

These additions align well with Go testing best practices and effectively solve the problem described in the PR objectives. The implementation is clean, error-handling is appropriate, and the changes don't introduce any new issues.

Great job on resolving this flakiness issue!

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Successfully merging this pull request may close these issues.

TestOfferSnapshot/should_ACCEPT_a_snapshot_with_app_version_1 flake
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