Merge branch '3452-creating-an-element-with-an-invalid-parent_element_id-fails-hard' into 'develop'

Resolve "Creating an element with an invalid parent_element_id fails hard."

Closes #3452

See merge request baserow/baserow!3156

backend/src/baserow/contrib/builder/api/elements/views.py

@@ -134,6 +134,7 @@ class ElementsView(APIView):
     @map_exceptions(
         {
             PageDoesNotExist: ERROR_PAGE_DOES_NOT_EXIST,
+            ElementDoesNotExist: ERROR_ELEMENT_DOES_NOT_EXIST,
             ElementNotInSamePage: ERROR_ELEMENT_NOT_IN_SAME_PAGE,
         }
     )

backend/tests/baserow/contrib/builder/api/elements/test_element_views.py

@@ -206,6 +206,22 @@ def test_create_element_page_does_not_exist(api_client, data_fixture):
     assert response.json()["error"] == "ERROR_PAGE_DOES_NOT_EXIST"
 
 
+@pytest.mark.django_db
+def test_create_element_parent_does_not_exist(api_client, data_fixture):
+    user, token = data_fixture.create_user_and_token()
+    page = data_fixture.create_builder_page(user=user)
+
+    url = reverse("api:builder:element:list", kwargs={"page_id": page.id})
+    response = api_client.post(
+        url,
+        {"type": "heading", "parent_element_id": 99999999},
+        format="json",
+        HTTP_AUTHORIZATION=f"JWT {token}",
+    )
+    assert response.status_code == HTTP_404_NOT_FOUND
+    assert response.json()["error"] == "ERROR_ELEMENT_DOES_NOT_EXIST"
+
+
 @pytest.mark.django_db
 def test_update_element(api_client, data_fixture):
     user, token = data_fixture.create_user_and_token()

changelog/entries/unreleased/bug/3452_builder_resolved_a_bug_where_creating_an_element_with_an_inv.json

@@ -0,0 +1,7 @@
+{
+    "type": "bug",
+    "message": "[Builder] Resolved a bug where creating an element with an invalid parent would raise an error.",
+    "issue_number": 3452,
+    "bullet_points": [],
+    "created_at": "2025-02-14"
+}