diff options
| -rw-r--r-- | tests/schema/tests.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tests/schema/tests.py b/tests/schema/tests.py index cbc5f57eb9..024e68f2b3 100644 --- a/tests/schema/tests.py +++ b/tests/schema/tests.py @@ -3805,8 +3805,14 @@ class SchemaTests(TransactionTestCase): with self.assertRaises(DatabaseError): editor.add_constraint(Author, constraint) - @skipUnlessDBFeature("supports_nulls_distinct_unique_constraints") + @skipUnlessDBFeature( + "supports_expression_indexes", "supports_nulls_distinct_unique_constraints" + ) def test_unique_constraint_index_nulls_distinct(self): + """ + For a UniqueConstraint with expressions, the backend executes: + CREATE UNIQUE INDEX ... + """ with connection.schema_editor() as editor: editor.create_model(Author) nulls_distinct = UniqueConstraint( @@ -3831,6 +3837,10 @@ class SchemaTests(TransactionTestCase): @skipUnlessDBFeature("supports_nulls_distinct_unique_constraints") def test_unique_constraint_nulls_distinct(self): + """ + For UniqueConstraint(fields=...), the backend executes: + ALTER TABLE "schema_author" ADD CONSTRAINT ... + """ with connection.schema_editor() as editor: editor.create_model(Author) constraint = UniqueConstraint( |