chore: snapshot workflow migration progress

backend/tests/integration/test_cad_model_endpoint.py

@@ -0,0 +1,48 @@
+from __future__ import annotations
+
+import uuid
+
+import pytest
+
+
+@pytest.mark.integration
+@pytest.mark.asyncio
+async def test_cad_model_endpoint_falls_back_to_gltf_geometry_asset(
+    client,
+    db,
+    auth_headers,
+    tmp_path,
+):
+    from app.domains.media.models import MediaAsset, MediaAssetType
+    from app.domains.products.models import CadFile, ProcessingStatus
+
+    glb_path = tmp_path / "example.glb"
+    glb_path.write_bytes(b"glTF")
+
+    cad = CadFile(
+        id=uuid.uuid4(),
+        original_name="example.step",
+        stored_path=str(tmp_path / "example.step"),
+        file_hash="cad-model-endpoint-fallback",
+        file_size=123,
+        processing_status=ProcessingStatus.completed,
+        gltf_path=None,
+    )
+    db.add(cad)
+    await db.flush()
+
+    asset = MediaAsset(
+        id=uuid.uuid4(),
+        cad_file_id=cad.id,
+        asset_type=MediaAssetType.gltf_geometry,
+        storage_key=str(glb_path),
+        mime_type="model/gltf-binary",
+    )
+    db.add(asset)
+    await db.commit()
+
+    response = await client.get(f"/api/cad/{cad.id}/model", headers=auth_headers)
+
+    assert response.status_code == 200
+    assert response.headers["content-type"] == "model/gltf-binary"
+    assert response.content == b"glTF"