test_migrations.py 文件源码

def setUp(self):
        super(ModelsMigrationsSync, self).setUp()
        self.useFixture(fixtures.Timeout(120, gentle=True))
        self.db = mock.Mock()
        self.conf.set_override(
            'url',
            sqlalchemy.SQLAlchemyIndexer._create_new_database(
                self.conf.indexer.url),
            'indexer')
        self.index = indexer.get_driver(self.conf)
        self.index.upgrade(nocreate=True)
        self.addCleanup(self._drop_database)

        # NOTE(sileht): remove tables dynamically created by other tests
        valid_resource_type_tables = []
        for rt in self.index.list_resource_types():
            valid_resource_type_tables.append(rt.tablename)
            valid_resource_type_tables.append("%s_history" % rt.tablename)
            # NOTE(sileht): load it in sqlalchemy metadata
            self.index._RESOURCE_TYPE_MANAGER.get_classes(rt)

        for table in sqlalchemy_base.Base.metadata.sorted_tables:
            if (table.name.startswith("rt_") and
                    table.name not in valid_resource_type_tables):
                sqlalchemy_base.Base.metadata.remove(table)
                self.index._RESOURCE_TYPE_MANAGER._cache.pop(
                    table.name.replace('_history', ''), None)