import os, subprocess, signal, pathlib, json
root=pathlib.Path.home()/'filbert-scratch/r90-review/wt'
out=root.parent/'mutants';out.mkdir(exist_ok=True)
env=dict(os.environ,TMPDIR=str(pathlib.Path.home()/'filbert-scratch/tmp'),DOCKER_HOST='unix:///nonexistent.sock')
R='packages/tasks/src/requirements.mjs';V='packages/tasks/src/verbs.mjs';B='packages/bus/src/broker.mjs';T='packages/harness/src/tools.mjs';RU='packages/harness/src/runner.mjs'
req=['node','--test','packages/tasks/tests/requirements.test.mjs']
verb=['node','--test','packages/tasks/tests/verbs.test.mjs']
bus=['node','--test','packages/bus/tests/requirements.test.mjs']
tools=['node','--test','packages/harness/tests/tools.test.mjs']
turn=['node','--test','--test-name-pattern=turnRequest','packages/harness/tests/runner.test.mjs']
M=[
 ('own keys replaced by inherited keys',R,'Object.hasOwn(x, k)','(k in x)',req),
 ('most approved ids omitted',V,'loadRequirements().requirements.map((r) => r.id)',"loadRequirements().requirements.filter((r,i,a)=>i===0 || i===a.length-1 || r.id==='REQ-TASK-1').map((r) => r.id)",verb),
 ('load unchecked',R,'return freeze(checkRequirements(list));','return freeze(list);',req),
 ('unknown requirement accepted',V,"        if (!requirements.has(plan.requirement)) fail('unknown-requirement');",'',verb),
 ('read permits a nonholder',B,'        keys(a, []);\n        this.#agent(s);\n        return this.#requirements;','        keys(a, []);\n        return this.#requirements;',bus),
 ('tool points at tasks',T,'add("list_requirements", "requirements",','add("list_requirements", "tasks",',tools),
 ('human header drops request',RU,'  if (m.request) head.push(`request ${m.request}`);','',turn),
]
rows=[]
def run(cmd,log):
 with log.open('w') as f:
  p=subprocess.Popen(cmd,cwd=root,env=env,stdout=f,stderr=subprocess.STDOUT,start_new_session=True)
  try:p.wait(timeout=45)
  except subprocess.TimeoutExpired:
   os.killpg(p.pid,signal.SIGKILL);p.wait();return 'timeout'
 return p.returncode
for i,(name,path,old,new,cmd) in enumerate(M,1):
 p=root/path;src=p.read_text();assert src.count(old)==1,(name,src.count(old))
 try:
  p.write_text(src.replace(old,new));rc=run(cmd,out/f'{i}-suite.log')
  row={'name':name,'suite_rc':rc,'result':'survived' if rc==0 else 'killed' if rc!='timeout' else 'timeout'}
  if rc==0:
   row['independent_probe_rc']=run(['node','--test',str(root.parent/'probes.test.mjs')],out/f'{i}-probes.log')
  rows.append(row);print(json.dumps(row),flush=True)
 finally:p.write_text(src)
(out/'summary.json').write_text(json.dumps(rows,indent=2)+'\n')