diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/schema/tests.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/schema/tests.py b/tests/schema/tests.py index 9e2385f5d8..c31a1d78fa 100644 --- a/tests/schema/tests.py +++ b/tests/schema/tests.py @@ -1588,6 +1588,32 @@ class SchemaTests(TransactionTestCase): # OneToOneField. self.assertEqual(counts, {"fks": expected_fks, "uniques": 1, "indexes": 0}) + def test_autofield_to_o2o(self): + with connection.schema_editor() as editor: + editor.create_model(Author) + editor.create_model(Note) + + # Rename the field. + old_field = Author._meta.get_field("id") + new_field = AutoField(primary_key=True) + new_field.set_attributes_from_name("note_ptr") + new_field.model = Author + + with connection.schema_editor() as editor: + editor.alter_field(Author, old_field, new_field, strict=True) + # Alter AutoField to OneToOneField. + new_field_o2o = OneToOneField(Note, CASCADE) + new_field_o2o.set_attributes_from_name("note_ptr") + new_field_o2o.model = Author + + with connection.schema_editor() as editor: + editor.alter_field(Author, new_field, new_field_o2o, strict=True) + columns = self.column_classes(Author) + field_type, _ = columns["note_ptr_id"] + self.assertEqual( + field_type, connection.features.introspected_field_types["IntegerField"] + ) + def test_alter_field_fk_keeps_index(self): with connection.schema_editor() as editor: editor.create_model(Author) |