fix(tests): isolate unit suite from inherited environment by dnlrsls · Pull Request #2067 · Gentleman-Programming/gentle-shell

dnlrsls · 2026-10-10T23:16:52Z

Linked issue

PR type

Summary

Isolate only the unit-tests stage from inherited GIT_* and GENTLE_PI_AGENTS_* variables.
Replace the inherited configuration home with an empty disposable directory, cleaned up in finally.
Preserve unrelated environment variables, later-stage environments, and product Git security protections.

Changes

File	Change
`scripts/run-test-suite.mjs`	Apply environment isolation and disposable config home only to the unit stage.
`tests/run-test-suite.test.ts`	Add regressions for Git overrides, child context, config isolation/cleanup, and preserved later-stage behavior.
`docs/readme-reference.md`	Document the isolation boundary and that direct `node --test` bypasses it.

Test plan and results

Test-first runner regressions: RED 8 passed / 3 failed; GREEN 11/11 passed.
pnpm typecheck.
Provider-contract and runtime-harness stages.
git diff --check.
Focused five-case comparison: original runner 5/5 passed; candidate runner 5/5 passed.
Full-suite all-green proof: latest contaminated, non-root Linux run had 5896 passed, 5 failed, 54 skipped.

The five failures were in thread-identity reuse, background-job settlement/output, and the two YOLO SDK view orderings. Their cause was not proven to be this patch. The same five cases passed with both runners in the focused comparison. Partial full-suite validation was explicitly accepted without expanding this fix into runtime-test stabilization; the full suite must not be represented as green.

Initial publication reused the validation above. The follow-up test-probe correction in 62df21abc reproduced ENOENT with a nonexistent inherited config home (RED: 0 passed / 1 failed), then passed node --experimental-strip-types --test tests/run-test-suite.test.ts (GREEN: 12/12, zero skips) and git diff --check. The existing configuration-content assertions remain unchanged. The probe guard and regression are test-only; no product or runner behavior changed. The full suite and runtime harness were not rerun for this correction.

Automated PR checks must pass before merge.

Native review

Native RDD review was approved and acknowledged for commit 594320f23, with authority burned. Resilience, readability, and reliability reviewers completed. One non-blocking informational resilience advisory remains at scripts/run-test-suite.mjs:27; no correction was offered. Review approval does not replace functional test evidence.

That approval applies to the original commit 594320f23 only. The separate follow-up correction 62df21abc received native assessment medium, reviewDue=false, with no independent verifier required. No additional native review was started for that correction.

Contributor checklist

Linked an issue with status:approved.
Added exactly one type:* label: type:bug.
ShellCheck applicability assessed: no shell scripts changed; the runner is JavaScript.
Skill-loading applicability assessed: no skills changed.
Updated documentation for the behavior change.
Used a Conventional Commit.
No Co-Authored-By trailers.

Summary by CodeRabbit

Bug Fixes
- pnpm test runs unit tests without inherited Git or agent configuration variables and uses a temporary, empty configuration directory that is removed when the stage ends, even if it fails. Other test stages retain their existing environment.
- Other environment variables continue to be passed through. Direct node --test runs are unchanged.
Documentation
- Clarified the unit-test environment behavior in the development instructions.

Strip inherited GIT_* and GENTLE_PI_AGENTS_* variables only for the unit stage and use an empty temporary configuration home with cleanup. Preserve other stages and product Git safety checks. Validation: runner regressions 11/11, typecheck, provider-contract and runtime-harness passed. Latest contaminated non-root Linux full suite: 5896 passed, 5 failed, 54 skipped. The five intermittent cases passed 5/5 with both HEAD and candidate runners in a focused control; full-suite validation remains partial and was accepted without expanding scope. Refs #1838

coderabbitai · 2026-10-10T23:17:44Z

No actionable comments were generated in the recent review. 🎉

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tests/run-test-suite.test.ts

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📝 Walkthrough

Walkthrough

The test runner isolates the unit-tests stage from selected inherited environment variables and the caller’s configuration home. Tests and development instructions describe the isolation and verify that other stages retain their existing environment.

Changes

Unit test environment isolation

Layer / File(s)	Summary
Isolate the unit-tests stage `scripts/run-test-suite.mjs`, `tests/run-test-suite.test.ts`, `docs/readme-reference.md`	The runner filters inherited `GIT_`, `GENTLE_PI_AGENTS_`, and `GENTLE_PI_CONFIG_HOME` variables for the unit-tests stage, then sets a temporary configuration home and removes it after execution. Tests check the unit and provider-contract stage environments, and the documentation describes the behavior.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~12 minutes

Change: Bug fix · Severity of issue fixed: Medium

Sequence Diagram(s)

sequenceDiagram
  participant Runner as run-test-suite.mjs
  participant TempHome as Temporary config home
  participant UnitTests as unit-tests stage
  participant ProviderStage as provider-contract stage
  Runner->>TempHome: Create temporary config home
  Runner->>UnitTests: Spawn with filtered environment and temporary config home
  UnitTests-->>Runner: Return exit result
  Runner->>TempHome: Remove in finally block
  Runner->>ProviderStage: Spawn with process.env

Suggested reviewers: barbatdev

Merge Risk: ⚪ Minimal · up to 62df2

The unit-test runner isolates only that stage, preserves the other stages’ environment, and cleans up its temporary configuration home. No concrete merge risk remains beyond normal checks.

Pre-merge checks | 4 | 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check		Issue `#1838` is active and directly linked. `scripts/run-test-suite.mjs` isolates only `unit-tests` by removing inherited `GIT_`, `GENTLE_PI_AGENTS_`, and `GENTLE_PI_CONFIG_HOME` variables. It sets a…
Out of Scope Changes check		The changes remain within issue `#1838`. The runner implements the requested test isolation. The tests verify the isolation boundary. The documentation describes the boundary and the direct-invocation e…
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the main change: isolating the unit test suite from inherited environment variables.

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Actionable comments posted: 1

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Inline comments:
Review comments at @tests/run-test-suite.test.ts:
- Line 124: Update the test’s `files` probe to check whether `home` exists
before calling `readdirSync`, so an inherited configuration-home path that has
not been created does not cause `ENOENT`. Keep directory-content assertions in
the test that creates its own configuration home.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI
Review profile: ASSERTIVE
Plan: Advanced
Run ID: c351e46e-10f0-400b-ace8-782ca03d8e2e

📥 Commits

Reviewing files that changed from the base of the PR and between a3f5b91 and 594320f.

📒 Files selected for processing (3)

docs/readme-reference.md
scripts/run-test-suite.mjs
tests/run-test-suite.test.ts

Included review availability: This review used your included allowance. Your plan provides up to 4 included reviews per hour; 0 remain after this review.

Guard directory listing in the environment probe without changing the runner or product protections. Add a regression proving the unit config is empty and disposed while the provider preserves the absent caller path without creating it. Validation: targeted RED reproduced ENOENT (0 passed, 1 failed); node --experimental-strip-types --test tests/run-test-suite.test.ts passed 12/12 with no skips; git diff --check passed. Full suite and runtime harness not rerun: only the test probe changed, with no product runtime boundary change. Native assessment: medium, reviewDue=false, no independent verifier required. Rollback boundary: revert this commit to remove only the probe guard and missing-home regression in tests/run-test-suite.test.ts; retain the original isolation fix. Refs #1838.

dnlrsls added the type:bug Bug fix label Oct 10, 2026

coderabbitai Bot reviewed Oct 10, 2026

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Comment thread tests/run-test-suite.test.ts Outdated

dnlrsls merged commit a6c539a into main Oct 10, 2026
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fix(tests): isolate unit suite from inherited environment - #2067

fix(tests): isolate unit suite from inherited environment#2067
dnlrsls merged 2 commits into
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fix/issue-1838-test-env-isolation

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dnlrsls commented Oct 10, 2026 •

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