Expand governed Dataflow editor and node library

tests/test_schemas.py

@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_dataflow.backend.schemas import TabularSnapshotCreateRequest
+
+
+class DataflowSchemaTests(unittest.TestCase):
+    def test_snapshot_request_requires_the_selected_format_payload(self) -> None:
+        json_request = TabularSnapshotCreateRequest(
+            name="Monthly cases",
+            source_name="monthly_cases",
+            format="json",
+            rows=[{"case_id": "0012"}],
+        )
+        csv_request = TabularSnapshotCreateRequest(
+            name="Monthly cases",
+            source_name="monthly_cases_csv",
+            format="csv",
+            csv_text="case_id;amount\n0012;7.5\n",
+            delimiter=";",
+        )
+
+        self.assertEqual([{"case_id": "0012"}], json_request.rows)
+        self.assertEqual(";", csv_request.delimiter)
+        with self.assertRaises(ValueError):
+            TabularSnapshotCreateRequest(
+                name="Missing rows",
+                source_name="missing_rows",
+                format="json",
+            )
+        with self.assertRaises(ValueError):
+            TabularSnapshotCreateRequest(
+                name="Ambiguous",
+                source_name="ambiguous",
+                format="csv",
+                rows=[],
+                csv_text="id\n1\n",
+            )
+
+
+if __name__ == "__main__":
+    unittest.main()