Implement AXIS parity UI and execution baseline

scripts/test_endpoint_replay_s4_report.py

@@ -0,0 +1,35 @@
+import hashlib
+import json
+import unittest
+from pathlib import Path
+
+import generate_endpoint_replay_s4_report
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class EndpointReplayS4ReportTests(unittest.TestCase):
+    def test_contract(self):
+        report = json.loads((ROOT / "coverage/endpoint-replay-s4.report.json").read_text(encoding="utf-8"))
+        self.assertEqual(report["schema"], "endpoint-replay-s4-report.v1")
+        self.assertEqual(report["task_id"], "S4-02")
+        self.assertEqual(report["status"], "verified")
+        self.assertIsNone(report["first_divergence"])
+
+    def test_self_hash(self):
+        report = json.loads((ROOT / "coverage/endpoint-replay-s4.report.json").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(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest())
+
+    def test_deterministic(self):
+        first = ROOT / "coverage/.endpoint-replay-s4-one.json"
+        second = ROOT / "coverage/.endpoint-replay-s4-two.json"
+        try:
+            self.assertEqual(generate_endpoint_replay_s4_report.generate(first), generate_endpoint_replay_s4_report.generate(second))
+        finally:
+            first.unlink(missing_ok=True)
+            second.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    unittest.main()