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Python UndoableActionLog.started方法代码示例

本文整理汇总了Python中pitivi.undo.undo.UndoableActionLog.started方法的典型用法代码示例。如果您正苦于以下问题:Python UndoableActionLog.started方法的具体用法?Python UndoableActionLog.started怎么用?Python UndoableActionLog.started使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在pitivi.undo.undo.UndoableActionLog的用法示例。


在下文中一共展示了UndoableActionLog.started方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: TestUndoableActionLog

# 需要导入模块: from pitivi.undo.undo import UndoableActionLog [as 别名]
# 或者: from pitivi.undo.undo.UndoableActionLog import started [as 别名]

#.........这里部分代码省略.........

        self.assertEqual(len(self.log.undo_stacks), 0)
        self.assertEqual(len(self.log.redo_stacks), 0)
        self.log.begin("nested")
        self.assertEqual(len(self.signals), 2)
        name, (stack,) = self.signals[1]
        self.assertEqual(name, "begin")
        self.assertTrue(self.log.is_in_transaction())

        self.assertEqual(self.log.undo_stacks, [])
        self.log.push(mock.Mock(spec=UndoableAction))
        self.log.commit("nested")
        self.assertEqual(len(self.signals), 4)
        name, (stack, action) = self.signals[2]
        self.assertEqual(name, "push")
        name, (stack,) = self.signals[3]
        self.assertEqual(name, "commit")
        self.assertTrue(self.log.is_in_transaction())
        self.assertEqual(len(self.log.undo_stacks), 0)
        self.assertEqual(len(self.log.redo_stacks), 0)

        self.assertEqual(self.log.undo_stacks, [])
        self.log.commit("meh")
        self.assertEqual(len(self.signals), 5)
        name, (stack,) = self.signals[4]
        self.assertEqual(name, "commit")
        self.assertFalse(self.log.is_in_transaction())
        self.assertEqual(len(self.log.undo_stacks), 1)
        self.assertEqual(len(self.log.redo_stacks), 0)

    def test_finalizing_action(self):
        action1 = mock.Mock()
        action2 = mock.Mock()
        with self.log.started("one", finalizing_action=action1):
            self.log.push(mock.Mock(spec=UndoableAction))
            with self.log.started("two", finalizing_action=action2):
                self.log.push(mock.Mock(spec=UndoableAction))
        action1.do.assert_called_once_with()
        # For now, we call the finalizing action only for the top stack.
        action2.do.assert_not_called()

    def testRollback(self):
        """
        Test a rollback.
        """
        self.assertEqual(len(self.log.undo_stacks), 0)
        self.assertEqual(len(self.log.redo_stacks), 0)
        self.log.begin("meh")
        self.assertEqual(len(self.signals), 1)
        name, (stack,) = self.signals[0]
        self.assertEqual(name, "begin")
        self.assertTrue(self.log.is_in_transaction())

        self.log.rollback()
        self.assertEqual(len(self.signals), 2)
        name, (stack,) = self.signals[1]
        self.assertEqual(name, "rollback")
        self.assertFalse(self.log.is_in_transaction())
        self.assertEqual(len(self.log.undo_stacks), 0)
        self.assertEqual(len(self.log.redo_stacks), 0)

    def testNestedRollback(self):
        """
        Test two nested rollbacks.
        """
        self.assertEqual(len(self.log.undo_stacks), 0)
开发者ID:cfoch,项目名称:pitivi,代码行数:70,代码来源:test_undo.py


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