"""Row 323 tester-switch mutant; run only after Sage CLEAR."""
import hashlib
import os
from pathlib import Path
import subprocess

root = Path(__file__).resolve().parents[4]
source = root / 'docs/guides/case1-business.mosaic-stack.json'
fixed = source.read_bytes()
needle = b'"bus.tester": true'
assert fixed.count(needle) == 1
try:
    source.write_bytes(fixed.replace(needle, b'"bus.tester": false'))
    result = subprocess.run([
        'timeout', '-k', '10', '90', 'node', '--test', '--test-reporter=tap',
        '--test-name-pattern=row 323: committed Case 1 document loads',
        'packages/business/tests/case1-business-file.test.mjs',
    ], cwd=root, env=os.environ, text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    Path(__file__).with_suffix('.log').write_text(result.stdout)
    print(f'bus.tester mutant: exit {result.returncode}', flush=True)
    assert result.returncode == 1, result.stdout
    assert '# fail 1\n' in result.stdout and 'false !== true' in result.stdout, result.stdout
finally:
    source.write_bytes(fixed)
    assert source.read_bytes() == fixed
    print('restored sha256 ' + hashlib.sha256(fixed).hexdigest(), flush=True)