Python UndoableActionLog.begin方法代码示例

本文整理汇总了Python中pitivi.undo.undo.UndoableActionLog.begin方法的典型用法代码示例。如果您正苦于以下问题：Python UndoableActionLog.begin方法的具体用法？Python UndoableActionLog.begin怎么用？Python UndoableActionLog.begin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类pitivi.undo.undo.UndoableActionLog的用法示例。

在下文中一共展示了UndoableActionLog.begin方法的3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 begin [as 别名]
class TestUndoableActionLog(TestCase):

    def setUp(self):
        self.log = UndoableActionLog()
        self._connectToUndoableActionLog(self.log)
        self.signals = []

    def tearDown(self):
        self._disconnectFromUndoableActionLog(self.log)

    def _undoActionLogSignalCb(self, log, *args):
        args = list(args)
        signalName = args.pop(-1)
        self.signals.append((signalName, args))

    def _connectToUndoableActionLog(self, log):
        for signalName in ("begin", "push", "rollback", "commit", "move"):
            log.connect(signalName, self._undoActionLogSignalCb, signalName)

    def _disconnectFromUndoableActionLog(self, log):
        self.log.disconnect_by_func(self._undoActionLogSignalCb)

    def testRollbackWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.rollback)

    def testCommitWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.commit, "")

    def testPushWrongState(self):
        # no error in this case
        self.log.push(None)

    def testUndoWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.undo)

    def testRedoWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.redo)

    def testCheckpoint(self):
        self.log.begin("meh")
        self.log.push(mock.Mock(spec=UndoableAction))
        self.assertRaises(UndoWrongStateError, self.log.checkpoint)
        self.log.rollback()
        self.log.checkpoint()
        self.assertNotEqual(self.log._checkpoint, None)

    def testDirty(self):
        self.assertFalse(self.log.dirty())
        self.log.begin("meh")
        self.log.push(mock.Mock(spec=UndoableAction))
        self.log.commit("meh")
        self.assertTrue(self.log.dirty())
        self.log.checkpoint()
        self.assertFalse(self.log.dirty())
        self.log.undo()
        self.assertTrue(self.log.dirty())
        self.log.redo()
        self.assertFalse(self.log.dirty())

    def testCommit(self):
        """
        Commit a stack.
        """
        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.assertEqual(self.log.undo_stacks, [])
        self.log.push(mock.Mock(spec=UndoableAction))
        self.log.commit("meh")
        self.assertEqual(len(self.signals), 3)
        name, (stack, action) = self.signals[1]
        self.assertEqual(name, "push")
        name, (stack,) = self.signals[2]
        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_commit_proper(self):
        self.log.begin("meh")
        self.assertRaises(UndoWrongStateError, self.log.commit, "notmeh")

    def testNestedCommit(self):
        """
        Do two nested commits.
        """
        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.assertEqual(len(self.log.undo_stacks), 0)
#.........这里部分代码省略.........

开发者ID:cfoch，项目名称:pitivi，代码行数:103，代码来源:test_undo.py

示例2: TestTimelineUndo

# 需要导入模块: from pitivi.undo.undo import UndoableActionLog [as 别名]
# 或者: from pitivi.undo.undo.UndoableActionLog import begin [as 别名]
class TestTimelineUndo(TestCase):

    def setUp(self):
        app = Pitivi()
        app._startupCb(app)
        app.project_manager.newBlankProject()

        self.timeline = app.project_manager.current_project.timeline
        self.layer = GES.Layer()
        self.timeline.add_layer(self.layer)
        self.action_log = UndoableActionLog()
        self.observer = TimelineLogObserverSpy(self.action_log)
        self.observer.startObserving(self.timeline)

    def getTimelineClips(self):
        for layer in self.timeline.layers:
            for clip in layer.get_clips():
                yield clip

    @staticmethod
    def commitCb(action_log, stack, nested, stacks):
        stacks.append(stack)

    def testAddClip(self):
        stacks = []
        self.action_log.connect("commit", TestTimelineUndo.commitCb, stacks)

        clip1 = GES.TitleClip()
        self.action_log.begin("add clip")
        self.layer.add_clip(clip1)
        self.action_log.commit()

        self.assertEqual(1, len(stacks))
        stack = stacks[0]
        self.assertEqual(1, len(stack.done_actions))
        action = stack.done_actions[0]
        self.assertTrue(isinstance(action, ClipAdded))
        self.assertTrue(clip1 in self.getTimelineClips())

        self.action_log.undo()
        self.assertFalse(clip1 in self.getTimelineClips())

        self.action_log.redo()
        self.assertTrue(clip1 in self.getTimelineClips())

    def testRemoveClip(self):
        stacks = []
        self.action_log.connect("commit", TestTimelineUndo.commitCb, stacks)

        clip1 = GES.TitleClip()
        self.layer.add_clip(clip1)
        self.action_log.begin("remove clip")
        self.layer.remove_clip(clip1)
        self.action_log.commit()

        self.assertEqual(1, len(stacks))
        stack = stacks[0]
        self.assertEqual(1, len(stack.done_actions))
        action = stack.done_actions[0]
        self.assertTrue(isinstance(action, ClipRemoved))
        self.assertFalse(clip1 in self.getTimelineClips())

        self.action_log.undo()
        self.assertTrue(clip1 in self.getTimelineClips())

        self.action_log.redo()
        self.assertFalse(clip1 in self.getTimelineClips())

    def testAddEffectToClip(self):
        stacks = []
        self.action_log.connect("commit", TestTimelineUndo.commitCb, stacks)

        clip1 = GES.TitleClip()
        self.layer.add_clip(clip1)

        effect1 = GES.Effect.new("agingtv")
        self.action_log.begin("add effect")
        clip1.add(effect1)
        self.action_log.commit()

        self.assertEqual(1, len(stacks))
        stack = stacks[0]
        self.assertEqual(1, len(stack.done_actions), stack.done_actions)
        action = stack.done_actions[0]
        self.assertTrue(isinstance(action, TrackElementAdded))

        self.assertTrue(effect1 in clip1.get_children(True))
        self.assertEqual(1, len([effect for effect in
                                 clip1.get_children(True)
                                 if isinstance(effect, GES.Effect)]))

        self.action_log.undo()
        self.assertFalse(effect1 in clip1.get_children(True))

        self.action_log.redo()
        self.assertEqual(1, len([effect for effect in
                                 clip1.get_children(True)
                                 if isinstance(effect, GES.Effect)]))

    def testRemoveEffectFromClip(self):
#.........这里部分代码省略.........

开发者ID:dimart，项目名称:pitivi，代码行数:103，代码来源:test_undo_timeline.py

示例3: TestUndoableActionLog

# 需要导入模块: from pitivi.undo.undo import UndoableActionLog [as 别名]
# 或者: from pitivi.undo.undo.UndoableActionLog import begin [as 别名]
class TestUndoableActionLog(TestCase):
    def setUp(self):
        self.log = UndoableActionLog()
        self._connectToUndoableActionLog(self.log)
        self.signals = []

    def tearDown(self):
        self._disconnectFromUndoableActionLog(self.log)

    def _undoActionLogSignalCb(self, log, *args):
        args = list(args)
        signalName = args.pop(-1)
        self.signals.append((signalName, args))

    def _connectToUndoableActionLog(self, log):
        for signalName in ("begin", "push", "rollback", "commit",
                    "undo", "redo"):
            log.connect(signalName, self._undoActionLogSignalCb, signalName)

    def _disconnectFromUndoableActionLog(self, log):
        self.log.disconnect_by_func(self._undoActionLogSignalCb)

    def testRollbackWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.rollback)

    def testCommitWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.commit)

    def testPushWrongState(self):
        # no error in this case
        self.log.push(None)

    def testUndoWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.undo)

    def testRedoWrongState(self):
        self.assertRaises(UndoWrongStateError, self.log.redo)

    def testCheckpoint(self):
        self.log.begin("meh")
        self.log.push(DummyUndoableAction())
        self.assertRaises(UndoWrongStateError, self.log.checkpoint)
        self.log.rollback()
        self.log.checkpoint()
        self.assertNotEqual(self.log._checkpoint, None)

    def testDirty(self):
        self.assertFalse(self.log.dirty())
        self.log.begin("meh")
        self.log.push(DummyUndoableAction())
        self.log.commit()
        self.assertTrue(self.log.dirty())
        self.log.checkpoint()
        self.assertFalse(self.log.dirty())
        self.log.undo()
        self.assertTrue(self.log.dirty())
        self.log.redo()
        self.assertFalse(self.log.dirty())

    def testCommit(self):
        """
        Commit a stack.
        """
        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, nested) = self.signals[0]
        self.assertEqual(name, "begin")
        self.assertFalse(nested)

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

    def testNestedCommit(self):
        """
        Do two nested commits.
        """
        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, nested) = self.signals[0]
        self.assertEqual(name, "begin")
        self.assertFalse(nested)

        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, nested) = self.signals[1]
        self.assertEqual(name, "begin")
        self.assertTrue(nested)

#.........这里部分代码省略.........

开发者ID:RichardPoole42，项目名称:pitivi，代码行数:103，代码来源:test_undo.py

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