first commit

2026-07-22 13:48:46 +08:00
commit c87751c3dc
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+import shutil
+import unittest
+from pathlib import Path
+
+from cadpy import render as cad_render
+from tests.python.support.cad_test_roots import IsolatedCadRoots
+
+
+class CadpyRenderTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self._isolated_roots = IsolatedCadRoots(self, prefix="cadjs-")
+        tempdir = self._isolated_roots.temporary_cad_directory(prefix="tmp-cadjs-")
+        self._tempdir = tempdir
+        self.temp_root = Path(tempdir.name)
+        self.relative_dir = self.temp_root.relative_to(cad_render.CAD_ROOT).as_posix()
+        self.cleanup_paths: set[Path] = set()
+
+    def tearDown(self) -> None:
+        for path in self.cleanup_paths:
+            path.unlink(missing_ok=True)
+        shutil.rmtree(self.temp_root, ignore_errors=True)
+        self._tempdir.cleanup()
+
+    def _write_step(self, name: str, *, extension: str = ".step") -> Path:
+        step_path = self.temp_root / f"{name}{extension}"
+        step_path.write_text("ISO-10303-21; END-ISO-10303-21;\n")
+        self.cleanup_paths.update(
+            (
+                cad_render.part_glb_path(step_path),
+            )
+        )
+        return step_path
+
+    def test_direct_step_has_no_persistent_stl_path(self) -> None:
+        step_path = self._write_step("part")
+
+        with self.assertRaisesRegex(ValueError, "no configured STL output"):
+            cad_render.part_stl_path(step_path)
+
+    def test_glb_path_uses_adjacent_hidden_step_glb(self) -> None:
+        step_path = self._write_step("part")
+
+        glb_path = cad_render.part_glb_path(step_path)
+
+        self.assertEqual(self.temp_root / ".part.step.glb", glb_path)
+        self.assertEqual(self.temp_root / ".part.step" / "model.glb", cad_render.legacy_part_glb_path(step_path))
+
+    def test_glb_path_preserves_stp_extension(self) -> None:
+        step_path = self._write_step("part-stp", extension=".stp")
+
+        glb_path = cad_render.part_glb_path(step_path)
+
+        self.assertEqual(self.temp_root / ".part-stp.stp.glb", glb_path)
+        self.assertEqual(self.temp_root / ".part-stp.stp" / "model.glb", cad_render.legacy_part_glb_path(step_path))
+
+
+if __name__ == "__main__":
+    unittest.main()