"""Experimental provenance and removal-only config checks, CPU only."""
from copy import deepcopy
from pathlib import Path
import sys
import unittest
sys.path.insert(0,str(Path(__file__).resolve().parent))
import run_bodyless as r

def test_config_only_boundary_changes():
    cfg,body,p,manifest=r.configuration(r.ROOT)
    import run_refined_dfg as runner
    h,_=runner.helpers(r.ROOT);baseline,baseline_body,baseline_p=runner.config(h,80)
    expected=deepcopy(baseline);expected['method']['inlet']['scheme']=r.VARIANT
    assert cfg==expected and p==baseline_p
    expected_body=deepcopy(baseline_body);expected_body['objects']=[]
    assert body==expected_body
    assert manifest['commit']=='926ca27407c26ca11283282a6e53249925725376'
    assert cfg['method']['collision']=='SRT' and cfg['method']['outlet']['srt_neq_damp']==.5

def test_historical_manifest_rejects_candidate():
    with unittest.TestCase().assertRaisesRegex(ValueError,'Pinned source mismatch'):
        r.diagnostic.source_config(r.ROOT)

def test_different_runtime_checkout_rejected():
    with unittest.TestCase().assertRaisesRegex(ValueError,'executing harness checkout'):
        r.configuration(r.ROOT.parent)

def test_experimental_preflight():
    import subprocess,json
    from tempfile import TemporaryDirectory
    with TemporaryDirectory() as temp:
        subprocess.run([sys.executable,str(Path(r.__file__)),'--output',temp,'--record-inlet-history'],check=True,capture_output=True)
        result=json.loads((Path(temp)/'preflight.json').read_text())
        assert result['experimental_variant']==r.VARIANT
        assert result['history_requested_steps']==[0,196] and result['max_steps']==320
        assert not result['executed']
        assert result['numerical_source_commit']=='926ca27407c26ca11283282a6e53249925725376'

if __name__=='__main__':
    result=unittest.TextTestRunner(verbosity=2).run(unittest.TestSuite(unittest.FunctionTestCase(fn) for name,fn in sorted(globals().items()) if name.startswith('test_')))
    raise SystemExit(not result.wasSuccessful())