chore: add test for prefetching

caluma/caluma_form/tests/test_question.py

@@ -1198,3 +1198,25 @@ def test_save_action_button_question(db, snapshot, question, schema_executor):
     result = schema_executor(query, variable_values=inp)
     assert not bool(result.errors)
     snapshot.assert_match(result.data)
+
+
+def test_init_of_calc_questions_queries(
+    db,
+    form,
+    form_and_document,
+    form_question_factory,
+    django_assert_num_queries,
+):
+    (form, document, questions_dict, _) = form_and_document(
+        use_table=True, use_subform=True, table_row_count=10
+    )
+
+    form_question_factory(
+        form=form,
+        question__slug="calc_question",
+        question__type=Question.TYPE_CALCULATED_FLOAT,
+        question__calc_expression="'table'|answer|mapby('column')|sum + 'top_question'|answer + 'sub_question'|answer",
+    )
+
+    with django_assert_num_queries(38):
+        api.save_answer(questions_dict["top_question"], document, value="1")

caluma/conftest.py

@@ -272,7 +272,7 @@ def fallback_factory(factory, **kwargs):
             return existing
         return factory(**kwargs)
 
-    def factory(use_table=False, use_subform=False):
+    def factory(use_table=False, use_subform=False, table_row_count=1):
         form = fallback_factory(
             form_factory, slug="top_form", meta={"is-top-form": True, "level": 0}
         )
@@ -324,11 +324,12 @@ def factory(use_table=False, use_subform=False):
                 document=document, question=questions["table"]
             )
 
-            row_doc = document_factory(form=row_form, family=document)
-            answers["column"] = answer_factory(
-                document=row_doc, question=questions["column"]
-            )
-            answers["table"].documents.add(row_doc)
+            for _ in range(table_row_count):
+                row_doc = document_factory(form=row_form, family=document)
+                answers["column"] = answer_factory(
+                    document=row_doc, question=questions["column"]
+                )
+                answers["table"].documents.add(row_doc)
 
         if use_subform:
             sub_form = fallback_factory(