Complete XYZAC LinuxCNC WASM parity and smooth 3D preview

scripts/test_xyzac_trt_parity.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import subprocess
+import unittest
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+REPORT = ROOT / "coverage/xyzac-trt-trace-parity.report.json"
+
+
+class XyzacParityTest(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        subprocess.run(["python3", "scripts/compare_xyzac_native_wasm_trace.py"], cwd=ROOT, check=True)
+        cls.report = json.loads(REPORT.read_text(encoding="utf-8"))
+
+    def test_verified(self):
+        self.assertEqual(self.report["status"], "verified")
+        self.assertEqual(self.report["native_wasm"]["status"], "verified")
+        self.assertEqual(self.report["native_worker"]["status"], "verified")
+        self.assertEqual(self.report["first_divergent_tick"], None)
+        for comparison in ("native_wasm", "native_worker"):
+            for level in ("protocol", "control", "state", "canonical", "recovery"):
+                self.assertEqual(self.report[comparison]["levels"][level]["status"], "verified")
+
+    def test_first_divergence_positive_sample(self):
+        sample = self.report["positive_divergence_sample"]
+        self.assertTrue(sample["detected"])
+        self.assertEqual(sample["first_divergent_tick"], 2)
+        self.assertEqual(sample["difference_path"], "$[1].active_type")
+
+    def test_self_hash(self):
+        unsigned = dict(self.report)
+        actual = unsigned.pop("report_sha256")
+        self.assertEqual(actual, hashlib.sha256(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest())
+
+
+if __name__ == "__main__":
+    unittest.main()