Implement AXIS parity UI and execution baseline

scripts/test_authoritative_browser_s6_05.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+"""Contract tests for S6-05 OPFS/browser boundary evidence."""
+
+from __future__ import annotations
+
+import hashlib
+import json
+import sys
+import tempfile
+import unittest
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+import generate_authoritative_browser_s6_05
+
+
+ROOT = Path(__file__).resolve().parents[1]
+REPORT = ROOT / "coverage/authoritative-browser-s6-05.report.json"
+
+
+class AuthoritativeBrowserS605Tests(unittest.TestCase):
+    def test_contract(self) -> None:
+        report = json.loads(REPORT.read_text(encoding="utf-8"))
+        self.assertEqual(report["schema"], "authoritative-browser-s6-05.v1")
+        self.assertEqual(report["task_id"], "S6-05")
+        self.assertEqual(report["status"], "verified")
+        self.assertEqual(report["implementation_status"], "verified")
+        self.assertEqual(report["checks"]["chromium_probe"]["status"], "blocked")
+        self.assertTrue(report["checks"]["chromium_probe"]["stable"])
+        self.assertEqual(report["checks"]["headed_playwright_probe"]["status"], "verified")
+        self.assertTrue(report["checks"]["headed_playwright_probe"]["stable"])
+        self.assertEqual(report["checks"]["safari_firefox_boundary"]["status"], "out_of_scope")
+        self.assertEqual(report["checks"]["release_stop"]["action"], "STOP_RELEASE")
+
+    def test_self_hash(self) -> None:
+        report = json.loads(REPORT.read_text(encoding="utf-8"))
+        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
+        self.assertEqual(report["report_sha256"], hashlib.sha256(generate_authoritative_browser_s6_05.canonical(unsigned).encode()).hexdigest())
+
+    def test_deterministic(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            first = generate_authoritative_browser_s6_05.generate(ROOT, Path(directory) / "one.json")
+            second = generate_authoritative_browser_s6_05.generate(ROOT, Path(directory) / "two.json")
+            self.assertEqual(first, second)
+
+
+if __name__ == "__main__":
+    unittest.main()