diff options
Diffstat (limited to 'nova/tests/db/test_migration_utils.py')
| -rw-r--r-- | nova/tests/db/test_migration_utils.py | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/nova/tests/db/test_migration_utils.py b/nova/tests/db/test_migration_utils.py index 3674a7c45..af206632d 100644 --- a/nova/tests/db/test_migration_utils.py +++ b/nova/tests/db/test_migration_utils.py @@ -19,7 +19,7 @@ import warnings from migrate.changeset import UniqueConstraint from sqlalchemy.dialects import mysql from sqlalchemy import Boolean, Index, Integer, DateTime, String -from sqlalchemy import MetaData, Table, Column +from sqlalchemy import MetaData, Table, Column, ForeignKey from sqlalchemy.engine import reflection from sqlalchemy.exc import NoSuchTableError from sqlalchemy.exc import SAWarning @@ -514,3 +514,28 @@ class TestMigrationUtils(test_migrations.BaseMigrationTestCase): # but sqlalchemy will set it to NullType. self.assertTrue(isinstance(table.c.foo.type, NullType)) self.assertTrue(isinstance(table.c.deleted.type, Boolean)) + + def test_drop_unique_constraint_in_sqlite_fk_recreate(self): + engine = self.engines['sqlite'] + meta = MetaData() + meta.bind = engine + parent_table = Table('table0', meta, + Column('id', Integer, primary_key=True), + Column('foo', Integer)) + parent_table.create() + table_name = 'table1' + table = Table(table_name, meta, + Column('id', Integer, primary_key=True), + Column('baz', Integer), + Column('bar', Integer, ForeignKey("table0.id")), + UniqueConstraint('baz', name='constr1')) + table.create() + utils.drop_unique_constraint(engine, table_name, 'constr1', 'baz') + + insp = reflection.Inspector.from_engine(engine) + f_keys = insp.get_foreign_keys(table_name) + self.assertEqual(len(f_keys), 1) + f_key = f_keys[0] + self.assertEqual(f_key['referred_table'], 'table0') + self.assertEqual(f_key['referred_columns'], ['id']) + self.assertEqual(f_key['constrained_columns'], ['bar']) |