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[test-parallel] test: add t.Parallel() to TestFormatListWithOr - #49724

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pelikhan merged 1 commit into
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test-parallelizer-format-list-2aa450d5e7f34958
Aug 2, 2026
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[test-parallel] test: add t.Parallel() to TestFormatListWithOr#49724
pelikhan merged 1 commit into
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test-parallelizer-format-list-2aa450d5e7f34958

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Overview

Adds t.Parallel() support to TestFormatListWithOr in cmd/gh-aw/format_list_test.go, enabling this test and its subtests to run concurrently with other tests in the package. Test-only change; no production code is affected.

Changed Files

  • cmd/gh-aw/format_list_test.go (modified, low impact, non-breaking)
    • Added t.Parallel() at the top of TestFormatListWithOr.
    • Added tt := tt loop-variable capture before the t.Run subtest closure (standard Go idiom required for safe parallel subtests).
    • Added t.Parallel() inside each subtest closure.

Impact

  • Scope: test infrastructure only — no changes to formatListWithOr or any other production logic.
  • Risk: low. Enabling parallel execution is safe here since the test is a pure function check with no shared mutable state.
  • Breaking: no.

Commits

  • 86a834535 — test: add t.Parallel() to TestFormatListWithOr

Generated by PR Description Updater for #49724 · auto · 30.9 AIC · ⌖ 6.41 AIC · ⊞ 6.9K ·

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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🎉 Great work on the test parallelization! This PR adds t.Parallel() to TestFormatListWithOr, enabling concurrent test execution with proper safety checks (loop-variable capture and no shared state). The safety analysis is thorough and the validation with go test -race confirms the changes are sound. This is a clean, focused improvement to the test suite that aligns well with the project's testing infrastructure goals. Well done! ✅

Generated by ✅ Contribution Check · auto · 51.3 AIC · ⌖ 4.74 AIC · ⊞ 8.7K ·

@pelikhan
pelikhan marked this pull request as ready for review August 2, 2026 09:40
Copilot AI review requested due to automatic review settings August 2, 2026 09:40
@pelikhan
pelikhan merged commit 41728ee into main Aug 2, 2026
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@pelikhan
pelikhan deleted the test-parallelizer-format-list-2aa450d5e7f34958 branch August 2, 2026 09:40
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Test Quality Sentinel completed test quality analysis.

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🧠 Matt Pocock Skills Reviewer has completed the skills-based review. ✅

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PR Code Quality Reviewer completed the code quality review.

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Design Decision Gate 🏗️ completed the design decision gate check.

No ADR enforcement needed: PR does not have the 'implementation' label and has ≤100 new lines of code in business logic directories (0 additions detected).

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Pull request overview

Parallelizes the pure formatListWithOr table-driven test safely.

Changes:

  • Marks the parent test and subtests parallel.
  • Safely captures each table entry.
Show a summary per file
File Description
cmd/gh-aw/format_list_test.go Enables safe parallel test execution.

Review details

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  • Files reviewed: 1/1 changed files
  • Comments generated: 0
  • Review effort level: Balanced

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Verdict: Approve, no blocking issues

Trivial, safe change: adds t.Parallel() to a pure-function table-driven test with no shared/global state, network, env vars, or filesystem access.

Notes
  • The tt := tt shadow assignment is redundant on Go 1.26 (loop variables have been per-iteration since Go 1.22), but it is harmless boilerplate and not worth blocking on.
  • No correctness, concurrency, or performance concerns given formatListWithOr is a pure function.

🔎 Code quality review by PR Code Quality Reviewer · auto · 11.2 AIC · ⌖ 5.06 AIC · ⊞ 7.8K
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The changes correctly add t.Parallel() to the outer test and inner subtests, with the required tt := tt loop variable capture. No issues found.

🧵 Reviewed using Impeccable skills by Impeccable Skills Reviewer · sonnet46 · 13.1 AIC · ⌖ 9.15 AIC · ⊞ 5.4K

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🧪 Test Quality Sentinel Report

Test Quality Score: N/A — Infrastructure

Infrastructure-only change detected. No new behavioral tests were added; the PR adds parallelization (t.Parallel()) to an existing test for improved performance.

📊 Scope Analysis
Signal Value
Changed test files 1 (cmd/gh-aw/format_list_test.go)
New behavioral tests 0
Modified behavioral tests 1 (TestFormatListWithOr) — parallelized
Change type Parallelization improvement
Build tag violations 0 ✅
Mock library violations 0 ✅

Verdict

passed. Infrastructure-only PR; adds parallelization to existing test without changing behavioral coverage. No violations detected.

🧪 Test quality analysis by Test Quality Sentinel · haiku45 · 11.3 AIC · ⌖ 5.35 AIC · ⊞ 8.4K ·
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Skills-Based Review 🧠

Applied /tdd — this change is correct and safe to approve.

  • t.Parallel() added at both the top-level test and each table-driven subtest
  • ✅ Loop variable captured with tt := tt before the closure — correct Go parallelisation pattern
  • ✅ Pure function with no shared state, env/fs/network side effects — parallelisation is safe
  • ✅ PR description includes a thorough safety analysis and race-detector validation

Nothing actionable to flag.

🧠 Reviewed using Matt Pocock's skills by Matt Pocock Skills Reviewer · sonnet46 · 13.5 AIC · ⌖ 7.61 AIC · ⊞ 7.1K
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✅ Test Quality Sentinel: Infrastructure only. Parallelization improvement to existing test without changing behavioral coverage. No violations.

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github-actions Bot commented Aug 3, 2026

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🎉 This pull request is included in a new release.

Release: v0.84.3

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2 participants