[test/odmlparser] Add missing RDF format test

Author: mpsonntag

test/test_parser_odml.py

@@ -93,3 +93,7 @@ def test_rdf_file(self):
         self.assertEqual(rdf_doc[0].date, self.odml_doc.date)
         self.assertIn(self.odml_doc.sections[0].name, rdf_doc[0].sections)
         self.assertIn(self.odml_doc.sections[1].name, rdf_doc[0].sections)
+
+        # Check error on missing document format
+        with self.assertRaises(ValueError):
+            self.rdf_reader.from_file(self.rdf_file)