45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""Contract tests for S7-01 DO/ENDDO/BREAK evidence."""
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from __future__ import annotations
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import hashlib
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import json
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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import generate_source_do_s7_01
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ROOT = Path(__file__).resolve().parents[1]
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REPORT = ROOT / "coverage/source-do-s7-01.report.json"
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class SourceDoS701Tests(unittest.TestCase):
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def test_contract(self) -> None:
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report = json.loads(REPORT.read_text(encoding="utf-8"))
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self.assertEqual(report["schema"], "linuxcnc-source-do-s7-01-report.v1")
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self.assertEqual(report["task_id"], "S7-01")
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self.assertEqual(report["status"], "verified")
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self.assertEqual(report["checks"]["normal_nested_do"]["status"], "verified")
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self.assertEqual(report["checks"]["pause_resume"]["status"], "verified")
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self.assertEqual(report["checks"]["recovery"]["first_difference"], None)
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self.assertEqual(report["checks"]["source_expected_comparison"]["status"], "SOURCE_BLOCKED")
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def test_self_hash(self) -> None:
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report = json.loads(REPORT.read_text(encoding="utf-8"))
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unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
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self.assertEqual(report["report_sha256"], hashlib.sha256(generate_source_do_s7_01.canonical(unsigned).encode()).hexdigest())
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def test_deterministic(self) -> None:
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with tempfile.TemporaryDirectory() as directory:
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first = generate_source_do_s7_01.generate(ROOT, Path(directory) / "one.json")
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second = generate_source_do_s7_01.generate(ROOT, Path(directory) / "two.json")
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self.assertEqual(first, second)
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if __name__ == "__main__": unittest.main()
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