feat: add integration tests for project and scenario lifecycles, update templates to new Starlette signature, and optimize project retrieval logic

tests/integration/test_project_lifecycle.py

@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+from fastapi.testclient import TestClient
+
+
+class TestProjectLifecycle:
+    def test_project_create_update_delete_flow(self, client: TestClient) -> None:
+        # Initial state: no projects listed on the UI page
+        response = client.get("/projects/ui")
+        assert response.status_code == 200
+        assert "No projects yet" in response.text
+
+        # Create a project via the HTML form submission
+        create_payload = {
+            "name": "Lifecycle Mine",
+            "location": "Nevada",
+            "operation_type": "open_pit",
+            "description": "Initial description",
+        }
+        response = client.post(
+            "/projects/create",
+            data=create_payload,
+            follow_redirects=False,
+        )
+        assert response.status_code == 303
+        assert response.headers["Location"].endswith("/projects/ui")
+
+        # Project should now appear on the list page
+        response = client.get("/projects/ui")
+        assert response.status_code == 200
+        assert "Lifecycle Mine" in response.text
+        assert "Nevada" in response.text
+
+        # Fetch the project via API to obtain its identifier
+        response = client.get("/projects")
+        assert response.status_code == 200
+        projects = response.json()
+        assert len(projects) == 1
+        project_id = projects[0]["id"]
+
+        # Update the project using the API endpoint
+        update_payload = {
+            "location": "Arizona",
+            "description": "Updated description",
+        }
+        response = client.put(f"/projects/{project_id}", json=update_payload)
+        assert response.status_code == 200
+        body = response.json()
+        assert body["location"] == "Arizona"
+        assert body["description"] == "Updated description"
+
+        # Verify the UI detail page reflects the updates
+        response = client.get(f"/projects/{project_id}/view")
+        assert response.status_code == 200
+        assert "Arizona" in response.text
+        assert "Updated description" in response.text
+
+        # Delete the project using the API endpoint
+        response = client.delete(f"/projects/{project_id}")
+        assert response.status_code == 204
+
+        # Ensure the list view returns to the empty state
+        response = client.get("/projects/ui")
+        assert response.status_code == 200
+        assert "No projects yet" in response.text
+        assert "Lifecycle Mine" not in response.text