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fix: extract Step 0 from review SKILL.md in E2E test

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The review-base-branch E2E test was copying the full 1493-line
review/SKILL.md into the test fixture. The agent spent 8+ turns
reading it in chunks, leaving only 7 turns for actual work, causing
error_max_turns on every attempt.

Now extracts only Step 0 (base branch detection, ~50 lines) which is
all the test actually needs. Follows the CLAUDE.md rule: "NEVER copy
a full SKILL.md file into an E2E test fixture."

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-04-14 19:11:15 -07:00
parent 8e0cd0365d
commit 59a76a3789
1 changed files with 10 additions and 7 deletions
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test/skill-e2e-review.test.ts
+10 -7
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@@ -286,18 +286,21 @@ describeIfSelected('Base branch detection', ['review-base-branch', 'ship-base-br
run('git', ['add', 'app.rb'], dir);
run('git', ['commit', '-m', 'feat: add hello method'], dir);
// Copy review skill files
fs.copyFileSync(path.join(ROOT, 'review', 'SKILL.md'), path.join(dir, 'review-SKILL.md'));
fs.copyFileSync(path.join(ROOT, 'review', 'checklist.md'), path.join(dir, 'review-checklist.md'));
fs.copyFileSync(path.join(ROOT, 'review', 'greptile-triage.md'), path.join(dir, 'review-greptile-triage.md'));
// Extract only Step 0 (base branch detection) + minimal review instructions
// Full SKILL.md is ~1500 lines — copying it causes the agent to spend all turns reading
const full = fs.readFileSync(path.join(ROOT, 'review', 'SKILL.md'), 'utf-8');
const step0Start = full.indexOf('## Step 0: Detect platform and base branch');
const step1Start = full.indexOf('## Step 1: Check branch');
const step1End = full.indexOf('---', step1Start + 10);
const extracted = full.slice(step0Start, step1End > step1Start ? step1End : step1Start + 500);
fs.writeFileSync(path.join(dir, 'review-SKILL.md'), extracted);
const result = await runSkillTest({
prompt: `You are in a git repo on a feature branch with changes.
Read review-SKILL.md for the review workflow instructions.
Also read review-checklist.md and apply it.
Read review-SKILL.md for the base branch detection instructions.
IMPORTANT: Follow Step 0 to detect the base branch. Since there is no remote, gh commands will fail — fall back to main.
Then run the review against the detected base branch.
Then run git diff against the detected base branch and write a brief review.
Write your findings to ${dir}/review-output.md`,
workingDirectory: dir,
maxTurns: 15,