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CI: make the tree-proof --self-test fail when an assertion fails - #3535

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ci/tree-proof-self-test-exit-20261013
Oct 13, 2026
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gitar-bot[bot] merged 8 commits into
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ci/tree-proof-self-test-exit-20261013

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@BigSimmo

@BigSimmo BigSimmo commented Oct 13, 2026 •

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node scripts/ci-main-tree-proof.mjs --self-test exited 0 even when one of its assertions threw. main() returned the self-test promise, and the entrypoint's fail-open .catch (meant for the CI proof path, where a proof problem must never fail the changes job) turned the rejection into a ::warning:: plus a "no proof" output. So a broken guard in the self-test could pass CI, and the vitest wrapper only failed by accident because of missing stdout text.

Fix: the --self-test branch now catches its own failure, prints self-test FAILED with the stack to stderr and sets exit code 1. The CI proof path keeps its fail-open behaviour unchanged.

Test: tests/ci-main-tree-proof.test.ts adds a case that forces a self-test assertion failure via the test-only CI_TREE_PROOF_SELF_TEST_FORCE_FAIL=1 hook and expects exit 1, the failure on stderr and no proof outputs. It fails on main and passes here; all 23 tests in the file pass.

Note: #3531 also edits this script (in other hunks); whichever merges second needs a normal merge of main.


Summary by cubic

Fixes the tree-proof --self-test so a failing assertion now fails the process instead of exiting 0. Previously the entrypoint's fail-open .catch handler (meant only for the CI proof path) turned a self-test rejection into a warning, so a broken guard could pass CI.

  • The --self-test branch now catches its own errors, prints self-test FAILED with the stack to stderr, and sets exit code 1.
  • The CI proof path keeps its fail-open behavior unchanged.
  • Adds a CI_TREE_PROOF_SELF_TEST_FORCE_FAIL=1 test-only hook and a test that expects exit 1, a stack frame in the failure output, and empty GITHUB_OUTPUT and step summary files; the test cleanup bounds retries to satisfy the test-runner-safety ratchet.
  • #3531 also edits this script in other hunks; whichever merges second needs a normal merge of main.

Written for commit 25d4676. Summary will update on new commits.

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CodeAnt-AI Description

Make tree-proof self-test failures exit with an error

What Changed

  • A failed --self-test now reports the error to stderr and exits with status 1 instead of being swallowed by the CI proof’s fail-open handling.
  • Failed self-tests leave GitHub outputs and the step summary empty; normal CI proof failures remain non-blocking.

Impact

✅ Broken tree-proof checks fail CI
✅ Failed self-tests leave no proof outputs
✅ CI proof failures remain non-blocking

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This pull request has been ignored for the connected project sjrfecxgysukkwxsowpy because there are no changes detected in supabase directory. You can change this behaviour in Project Integrations Settings ↗︎.


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🤖 CodeAnt AI — Review Status

Status Commit Started (UTC) Finished (UTC)
✅ Incremental review completed f7ecf07 Oct 13, 2026 · 15:00 15:00
✅ Reviewed your PR cbebf5b Oct 13, 2026 · 13:33 13:36

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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-13T13:36:16.246707Z cbebf5b PR opened
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📥 Commits

Reviewing files that changed from the base of the PR and between f7ecf07 and 25d4676.

📒 Files selected for processing (2)
  • scripts/ci-main-tree-proof.mjs
  • tests/ci-main-tree-proof.test.ts

Summary by CodeRabbit

  • Bug Fixes
    • Self-test failures are reported as failures and correctly mark the check as unsuccessful instead of appearing to complete successfully.
  • Tests
    • Added coverage to verify failure reporting and confirm success messages and coverage output are not shown after a failed self-test.

Walkthrough

The proof script can force a self-test assertion failure through an environment variable. The --self-test path catches failures, reports them to stderr, and sets the process exit code to 1. A regression test verifies the failure output and exit status.

Changes

Self-test failure handling

Layer / File(s) Summary
Force and report self-test failures
scripts/ci-main-tree-proof.mjs, tests/ci-main-tree-proof.test.ts
The self-test supports a forced assertion failure. The --self-test path reports failures to stderr and sets the exit code to 1. The regression test checks the exit status and confirms there is no success message or coverage output.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to f7ecf

Self-test failures currently exit nonzero without producing proof outputs, and proof-mode failures retain fail-open outputs. The test could better protect stack reporting, but no concrete current-head failure requires delaying merge.

Caution

Pre-merge checks failed

Please resolve all errors before merging. Addressing warnings is optional.

  • Ignore

Failed Failed checks (1 error, 1 warning)

Check name Status Explanation Resolution
Verification Claims Error The PR description claims verification passed: “It fails on main and passes here; all 23 tests in the file pass.” It does not name the exact command or check that produced this result. The generated o… State the exact test command and result, for example: Ran <actual test command> tests/ci-main-tree-proof.test.ts: passed (23 tests). If the test was not run, state Not run: <reason>. Also update generated verification notes if they reta…
Docstring Coverage Warning Docstring coverage is 25.00% which is insufficient. The required threshold is 70.00%. 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 Passed checks (9 passed)
Check name Status Explanation
Title check Passed The title clearly and concisely describes the main change: failed tree-proof self-tests now cause a failure.
Description check Passed The description explains the bug, the implementation, the regression test, verification results, and merge considerations. It does not use every template heading, but it provides the required informat…
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Generated And Sensitive Files Passed The pull request changes only scripts/ci-main-tree-proof.mjs and tests/ci-main-tree-proof.test.ts. The added test uses runtime temporary files under the system temp directory and removes them; it …
Risky Git Or Deployment Actions Passed No risky git or deployment action is introduced. The script change only handles self-test errors and sets exit code 1 (scripts/ci-main-tree-proof.mjs:778-788). The added test creates a temporary direc…
Supabase Project And Schema Safety Passed The pull request changes only scripts/ci-main-tree-proof.mjs and tests/ci-main-tree-proof.test.ts. The diff contains no Supabase project reference, database or schema migration, RLS or policy chan…
Runtime And Package Manager Integrity Passed The pull request changes only scripts/ci-main-tree-proof.mjs and tests/ci-main-tree-proof.test.ts. It does not change package.json, package-lock.json, runtime-version files, workflows, or pack…
Api Route Failure Handling Passed PASS: The pull request changes only the CI tree-proof self-test and its regression test. It does not add or modify an API route, server action, RAG/search, ingestion, or provider integration flow. The…
Full details: Verification Claims

Explanation

The PR description claims verification passed: “It fails on main and passes here; all 23 tests in the file pass.” It does not name the exact command or check that produced this result. The generated objectives repeat the claim without an exact invocation. The description names node scripts/ci-main-tree-proof.mjs --self-test, but that is the behavior under test, not the command used to run the 23-test verification.

Resolution

State the exact test command and result, for example: Ran &lt;actual test command&gt; tests/ci-main-tree-proof.test.ts: passed (23 tests). If the test was not run, state Not run: &lt;reason&gt;. Also update generated verification notes if they retain the unsupported claim.

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@codeant-ai codeant-ai Bot added the size:S This PR changes 10-29 lines, ignoring generated files label Oct 13, 2026
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PR Summary by Qodo

Fail tree-proof self-test when an assertion fails

🐞 Bug fix 🧪 Tests 🕐 10-20 Minutes

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AI Description

• Make self-test assertion failures exit non-zero instead of being swallowed by the CI proof
 fallback.
• Add a forced-failure regression test while preserving the proof path’s fail-open behavior.
Diagram

graph TD
  CLI["Script invocation"] --> Mode{"Self-test flag?"}
  Mode -->|yes| Check["Self-test assertions"] -->|pass| Pass["Exit zero"]
  Check -->|fail| Fail["Exit one"]
  Mode -->|no| Proof["CI proof path"] -->|error| Fallback["Warn; no proof"]
Loading
High-Level Assessment

Keep the explicit self-test error boundary: it makes the failing exit status independent of the entrypoint’s intentional fail-open proof handler. Changing that shared handler instead would risk making proof problems fail the CI changes job.

Files changed (2) +23 / -1

Bug fix (1) +12 / -1
ci-main-tree-proof.mjsGive self-test failures a failing exit status +12/-1

Give self-test failures a failing exit status

• Catches self-test errors before they reach the fail-open entrypoint handler, prints the failure and stack to stderr, and sets exit code 1. Adds a test-only environment hook to force an assertion failure; the CI proof path remains unchanged.

scripts/ci-main-tree-proof.mjs

Tests (1) +11 / -0
ci-main-tree-proof.test.tsCover the self-test failure exit path +11/-0

Cover the self-test failure exit path

• Runs the self-test in a child process with a forced assertion failure and checks for exit status 1, failure text on stderr, and no success or proof output.

tests/ci-main-tree-proof.test.ts

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🏁 CodeAnt Quality Gate Results

Commit: 25d46764
Scan Time: 2026-10-13 15:34:42 UTC

✅ Overall Status: PASSED

Quality Gate Details

Quality Gate Status Details
Secrets ✅ PASSED 0 secrets found
Duplicate Code ✅ PASSED 0.0% duplicated
SAST ✅ PASSED No security issues
Bugs ✅ PASSED Rating S: No bugs
IAC ✅ PASSED No IAC issues

View Full Results

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Code Review by Qodo

🐞 Bugs (0) 📘 Rule violations (0) 📎 Requirement gaps (0)

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Previous reviews

Review updated until commit 25d4676 ⚖️ Balanced

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Results up to commit f7ecf07 🧠 Deep


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No findings are available for this PR yet. Findings appear here once Qodo has reviewed the PR.

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Claude encountered an error after 2s —— View job


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Merging this PR will not alter performance

⚠️ 2 benchmarks spent significant time in system calls

System calls cannot be consistently instrumented, so they are not included in the measure, which understates the real cost. Please switch to the Walltime instrument to accurately measure system calls.

Measurement and system calls

✅ 8 untouched benchmarks


Comparing ci/tree-proof-self-test-exit-20261013 (25d4676) with main (039b05c)

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CodeAnt PR Risk: Low Risk

  • The PR appears safe to merge; the change is narrowly scoped to ensuring self-test failures fail the process.
  • The regression test verifies a forced assertion failure exits non-zero and writes no GitHub outputs.

Assessed commit: f7ecf07a4f04

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @tests/ci-main-tree-proof.test.ts:
- Around line 51-60: Update the “exits non-zero when a self-test assertion
fails” test to direct GITHUB_OUTPUT and GITHUB_STEP_SUMMARY to separate
temporary files. After the subprocess exits, assert both files are empty,
preserving the existing status and stdout/stderr assertions.

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  • tests/ci-main-tree-proof.test.ts
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Comment thread tests/ci-main-tree-proof.test.ts Resolved
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Code review by qodo was updated up to the latest commit 231a402

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@codeant-ai codeant-ai Bot added size:M This PR changes 30-99 lines, ignoring generated files and removed size:S This PR changes 10-29 lines, ignoring generated files labels Oct 13, 2026
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Code review by qodo was updated up to the latest commit f7ecf07

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @tests/ci-main-tree-proof.test.ts:
- Around line 61-66: Update the forced-failure test around
CI_TREE_PROOF_SELF_TEST_FORCE_FAIL to assert that stderr contains the forced
assertion text immediately followed by a stack frame, in addition to the
existing failure-marker check.

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Comment thread tests/ci-main-tree-proof.test.ts Resolved

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Code Review ✅ Approved

🟡 Medium risk · Changing tree-proof self-test failures to exit nonzero could block CI runs when assertions expose regressions; normal proof failures remain fail-open.

Self-test branch of the tree-proof script now catches its own assertion failures, prints self-test FAILED with the stack to stderr, and exits 1, so a broken guard can no longer pass CI. The CI proof path keeps its fail-open behavior. No issues found.

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Code review by qodo was updated up to the latest commit 25d4676

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