jason.woltjeandClaude Opus 5.5
b3fca1f1a6
Candidate on base 94ece491f: 5 files, manifest f37bc933. Three mutants
killed; gate passed with no flakes.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
57 lines
2.7 KiB
Python
Executable File
57 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# Row 115 (#1609): the brief's three mutants of the decision close message.
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# m1 drops the message: the close block never runs.
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# m2 addresses the message to route_to instead of the raising role.
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# m3 drops the raising-run check, so the raiser's own withdraw sends one too.
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# Each runs the FULL bus suite (node --test tests/*.test.mjs in packages/bus)
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# and restores the source from the .orig copy whatever happens.
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# Usage: mutants.py <worktree> <log dir>
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import os, shutil, subprocess, sys, signal
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WT, LOGS = sys.argv[1], sys.argv[2]
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MUTANTS = {
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'm1': ('packages/bus/src/broker.mjs',
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" if (op !== 'seen' && (s.human || s.run !== d.raised_by_run)) {\n",
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" if (false) {\n"),
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'm2': ('packages/bus/src/broker.mjs',
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" d.raised_by_role,\n 'DECISION',\n",
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" d.route_to,\n 'DECISION',\n"),
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'm3': ('packages/bus/src/broker.mjs',
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" if (op !== 'seen' && (s.human || s.run !== d.raised_by_run)) {\n",
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" if (op !== 'seen') {\n"),
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}
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os.makedirs(LOGS, exist_ok=True)
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env = dict(os.environ, TMPDIR=os.path.expanduser('~/darkwing-scratch/r115/tmp'))
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for name, (rel, cur, new) in MUTANTS.items():
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src = os.path.join(WT, rel)
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text = open(src).read()
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if text.count(cur) != 1:
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sys.exit(f'STOP {name}: the target text in {rel} is not unique or has moved')
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if os.path.exists(src + '.orig'):
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sys.exit(f'STOP {rel}.orig already exists')
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log_path = os.path.join(LOGS, f'mutant-{name}.log')
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shutil.copy2(src, src + '.orig')
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try:
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open(src, 'w').write(text.replace(cur, new))
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with open(log_path, 'w') as out:
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p = subprocess.Popen('node --test tests/*.test.mjs', shell=True, cwd=os.path.join(WT, 'packages/bus'),
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stdout=out, stderr=subprocess.STDOUT, env=env, start_new_session=True)
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try:
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rc = p.wait(timeout=600)
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except subprocess.TimeoutExpired:
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os.killpg(p.pid, signal.SIGKILL)
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p.wait()
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rc = 'timeout'
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finally:
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shutil.move(src + '.orig', src)
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restored = open(src).read() == text
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log = open(log_path).read()
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counts = [l for l in log.splitlines() if l.startswith(('ℹ pass', 'ℹ fail', 'ℹ skipped'))]
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failed = [l.strip() for l in log.splitlines() if l.lstrip().startswith('✖') and 'failing tests' not in l]
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print(f'mutant {name} rc={rc} {" ".join(counts)} restored={restored}')
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for f in sorted(set(failed)):
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print(' ' + f)
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print('KILLED' if rc != 0 else 'SURVIVED')
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if not restored:
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sys.exit(f'STOP {rel} was not restored')
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