Initial LinuxCNC WebAssembly workspace snapshot

scripts/test_native_runner.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+import json
+import sys
+import unittest
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+
+from native_runner import compare_golden, run_entry
+
+
+class NativeRunnerTests(unittest.TestCase):
+    def setUp(self):
+        self.directory = TemporaryDirectory()
+        self.root = Path(self.directory.name)
+        (self.root / "linuxcnc/tests/demo").mkdir(parents=True)
+        (self.root / "linuxcnc/tests/demo/test.sh").write_text("#!/bin/sh\nprintf 'ok\\n'\n", encoding="utf-8")
+        (self.root / "artifacts").mkdir()
+
+    def tearDown(self):
+        self.directory.cleanup()
+
+    def entry(self, portability="portable_candidate"):
+        return {
+            "test_source_id": "test:linuxcnc/tests/demo/test.sh",
+            "path": "linuxcnc/tests/demo/test.sh",
+            "command": "bash linuxcnc/tests/demo/test.sh",
+            "portability": portability,
+            "parse_status": "parsed",
+            "source_sha": "source",
+        }
+
+    def test_fixed_runner_emits_stable_content_hashes(self):
+        result = run_entry(self.root, self.entry(), self.root / "artifacts", 5)
+        self.assertEqual(result["status"], "passed")
+        self.assertEqual(result["stdout"], "ok\n")
+        self.assertEqual(result["cwd"], "linuxcnc/tests/demo")
+        self.assertRegex(result["result_sha256"], r"^[0-9a-f]{64}$")
+
+    def test_real_excluded_is_not_executed_without_override(self):
+        result = run_entry(self.root, self.entry("REAL-EXCLUDED"), self.root / "artifacts", 5)
+        self.assertEqual(result["status"], "REAL-EXCLUDED")
+        self.assertNotIn("exit_code", result)
+
+    def test_golden_comparison_is_explicit(self):
+        actual = {"status": "passed", "exit_code": 0}
+        self.assertEqual(compare_golden(actual, {"schema": "native-golden.v1", "expected": actual})["status"], "passed")
+        self.assertEqual(compare_golden(actual, {"schema": "native-golden.v1", "expected": {"exit_code": 1}})["status"], "different")
+        self.assertEqual(compare_golden(actual, {"schema": "unknown", "expected": actual})["status"], "blocked")
+
+
+if __name__ == "__main__":
+    unittest.main()