def test_sample_query(self): """test sample query""" db_test = UnittestDB() # class zCol(object): # """z col""" # def __init__(self, prim, fkey): # """initialize""" # self.primarykey = prim # self.foreignkey = fkey connection = self.engine.connect() metadata = db_test.create_from(self.inputs) metadata.create_all(bind=connection) c_count = db_test.column_count(metadata) metadata.drop_all(bind=connection) self.assertEqual(c_count, 4) connection.close()