Implement WebAssembly runtime and kinematics coverage

scripts/test_kinematics_runtime.py

@@ -0,0 +1,51 @@
+import json
+import subprocess
+import unittest
+from pathlib import Path
+
+import generate_kinematics_runtime_report
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class KinematicsRuntimeTests(unittest.TestCase):
+    def test_native_kinematics_binary(self):
+        binary = ROOT / "build-native/sim_kinematics_test"
+        if not binary.is_file():
+            self.skipTest("native build has not been generated")
+        result = subprocess.run([str(binary)], cwd=ROOT, check=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        self.assertEqual(result.returncode, 0, result.stderr.decode(errors="replace"))
+
+    def test_wasm_exports_kinematics_api(self):
+        module = ROOT / "build-wasm/linuxcnc-sim-core.js"
+        if not module.is_file():
+            self.skipTest("WASM build has not been generated")
+        text = module.read_text(encoding="utf-8")
+        for symbol in ("sim_kinematics_init", "sim_kinematics_forward_ex", "sim_kinematics_inverse_ex", "sim_kinematics_state_hash"):
+            self.assertIn(symbol, text)
+
+    def test_report_contract(self):
+        report = json.loads((ROOT / "coverage/kinematics-runtime.report.json").read_text(encoding="utf-8"))
+        self.assertEqual(report["schema"], "kinematics-runtime-report.v1")
+        self.assertEqual(report["status"], "partial")
+        self.assertTrue(report["registered_build_targets"]["native_ctest"])
+        self.assertFalse(report["closure"]["full_linuxcnc_kinematics"])
+        self.assertIn("linear-delta", report["supported_types"])
+        self.assertIn("rotary-delta", report["supported_types"])
+        self.assertIn("tripod", report["supported_types"])
+
+    def test_report_is_deterministic(self):
+        first = ROOT / "coverage/.kinematics-runtime-one.json"
+        second = ROOT / "coverage/.kinematics-runtime-two.json"
+        try:
+            report_one = generate_kinematics_runtime_report.generate(ROOT, first)
+            report_two = generate_kinematics_runtime_report.generate(ROOT, second)
+            self.assertEqual(report_one, report_two)
+        finally:
+            first.unlink(missing_ok=True)
+            second.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    unittest.main()