init: technical-visualization-haness 하네스 설계

tests/test_spec.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import json
+import tempfile
+import unittest
+from pathlib import Path
+
+from techviz.spec import load_spec
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class SpecParsingTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.data = json.loads((ROOT / "examples/work/payment/spec.json").read_text(encoding="utf-8"))
+
+    def _write(self, data: dict) -> Path:
+        self.temp = tempfile.TemporaryDirectory()
+        path = Path(self.temp.name) / "spec.json"
+        path.write_text(json.dumps(data, ensure_ascii=False), encoding="utf-8")
+        return path
+
+    def tearDown(self) -> None:
+        temp = getattr(self, "temp", None)
+        if temp is not None:
+            temp.cleanup()
+
+    def test_boolean_fields_are_not_coerced_from_strings(self) -> None:
+        self.data["nodes"][0]["assumption"] = "false"
+        with self.assertRaisesRegex(ValueError, "expected boolean"):
+            load_spec(self._write(self.data))
+
+    def test_unknown_model_output_fields_are_rejected(self) -> None:
+        self.data["nodes"][0]["visual_magic"] = "glow"
+        with self.assertRaisesRegex(ValueError, "unknown field"):
+            load_spec(self._write(self.data))
+
+
+if __name__ == "__main__":
+    unittest.main()