diff options
| -rw-r--r-- | tests/migrations/test_base.py | 2 | ||||
| -rw-r--r-- | tests/schema/tests.py | 44 |
2 files changed, 36 insertions, 10 deletions
diff --git a/tests/migrations/test_base.py b/tests/migrations/test_base.py index 955bfa99d0..819464451a 100644 --- a/tests/migrations/test_base.py +++ b/tests/migrations/test_base.py @@ -125,6 +125,8 @@ class MigrationTestBase(TransactionTestCase): ) def assertFKExists(self, table, columns, to, value=True, using="default"): + if not connections[using].features.can_introspect_foreign_keys: + return with connections[using].cursor() as cursor: self.assertEqual( value, diff --git a/tests/schema/tests.py b/tests/schema/tests.py index d56e820251..c758db8bc8 100644 --- a/tests/schema/tests.py +++ b/tests/schema/tests.py @@ -283,6 +283,8 @@ class SchemaTests(TransactionTestCase): Fail if the FK constraint on `model.Meta.db_table`.`column` to `expected_fk_table`.id doesn't exist. """ + if not connection.features.can_introspect_foreign_keys: + return constraints = self.get_constraints(model._meta.db_table) constraint_fk = None for details in constraints.values(): @@ -292,6 +294,8 @@ class SchemaTests(TransactionTestCase): self.assertEqual(constraint_fk, (expected_fk_table, field)) def assertForeignKeyNotExists(self, model, column, expected_fk_table): + if not connection.features.can_introspect_foreign_keys: + return with self.assertRaises(AssertionError): self.assertForeignKeyExists(model, column, expected_fk_table) @@ -487,7 +491,7 @@ class SchemaTests(TransactionTestCase): editor.create_model(AuthorRef) self.assertForeignKeyExists(AuthorRef, "author_id", "schema_author") - @skipUnlessDBFeature("supports_foreign_keys") + @skipUnlessDBFeature("supports_foreign_keys", "can_introspect_foreign_keys") def test_fk_db_constraint(self): "The db_constraint parameter is respected" # Create the table @@ -1298,7 +1302,7 @@ class SchemaTests(TransactionTestCase): editor.alter_field(LocalBook, old_field, new_field, strict=True) self.assertForeignKeyExists(LocalBook, "author_id", "schema_author") - @skipUnlessDBFeature("supports_foreign_keys") + @skipUnlessDBFeature("supports_foreign_keys", "can_introspect_foreign_keys") def test_alter_o2o_to_fk(self): """ #24163 - Tests altering of OneToOneField to ForeignKey @@ -1344,7 +1348,7 @@ class SchemaTests(TransactionTestCase): ) self.assertForeignKeyExists(Book, "author_id", "schema_author") - @skipUnlessDBFeature("supports_foreign_keys") + @skipUnlessDBFeature("supports_foreign_keys", "can_introspect_foreign_keys") def test_alter_fk_to_o2o(self): """ #24163 - Tests altering of ForeignKey to OneToOneField @@ -1394,7 +1398,12 @@ class SchemaTests(TransactionTestCase): with connection.schema_editor() as editor: editor.create_model(Author) editor.create_model(Book) - expected_fks = 1 if connection.features.supports_foreign_keys else 0 + expected_fks = ( + 1 + if connection.features.supports_foreign_keys + and connection.features.can_introspect_foreign_keys + else 0 + ) expected_indexes = 1 if connection.features.indexes_foreign_keys else 0 # Check the index is right to begin with. @@ -1412,7 +1421,7 @@ class SchemaTests(TransactionTestCase): new_field = OneToOneField(Author, CASCADE) new_field.set_attributes_from_name("author") with connection.schema_editor() as editor: - editor.alter_field(Book, old_field, new_field, strict=True) + editor.alter_field(Book, old_field, new_field) counts = self.get_constraints_count( Book._meta.db_table, @@ -1427,7 +1436,12 @@ class SchemaTests(TransactionTestCase): with connection.schema_editor() as editor: editor.create_model(Author) editor.create_model(Book) - expected_fks = 1 if connection.features.supports_foreign_keys else 0 + expected_fks = ( + 1 + if connection.features.supports_foreign_keys + and connection.features.can_introspect_foreign_keys + else 0 + ) expected_indexes = 1 if connection.features.indexes_foreign_keys else 0 # Check the index is right to begin with. @@ -1463,7 +1477,12 @@ class SchemaTests(TransactionTestCase): with connection.schema_editor() as editor: editor.create_model(Author) editor.create_model(BookWithO2O) - expected_fks = 1 if connection.features.supports_foreign_keys else 0 + expected_fks = ( + 1 + if connection.features.supports_foreign_keys + and connection.features.can_introspect_foreign_keys + else 0 + ) # Check the unique constraint is right to begin with. counts = self.get_constraints_count( @@ -1477,7 +1496,7 @@ class SchemaTests(TransactionTestCase): new_field = ForeignKey(Author, CASCADE) new_field.set_attributes_from_name("author") with connection.schema_editor() as editor: - editor.alter_field(BookWithO2O, old_field, new_field, strict=True) + editor.alter_field(BookWithO2O, old_field, new_field) counts = self.get_constraints_count( BookWithO2O._meta.db_table, @@ -1492,7 +1511,12 @@ class SchemaTests(TransactionTestCase): with connection.schema_editor() as editor: editor.create_model(Author) editor.create_model(BookWithO2O) - expected_fks = 1 if connection.features.supports_foreign_keys else 0 + expected_fks = ( + 1 + if connection.features.supports_foreign_keys + and connection.features.can_introspect_foreign_keys + else 0 + ) # Check the unique constraint is right to begin with. counts = self.get_constraints_count( @@ -3752,7 +3776,7 @@ class SchemaTests(TransactionTestCase): expected_constraint_name, self.get_constraints(model._meta.db_table) ) - if editor.sql_create_fk: + if editor.sql_create_fk and connection.features.can_introspect_foreign_keys: constraint_name = "CamelCaseFKConstraint" expected_constraint_name = identifier_converter(constraint_name) editor.execute( |