def test_onNextChange_cancel(self):
"""
You can cancel the deferred returned by onNextChange
"""
world = World(MagicMock())
obj = world.create('foo')
d = world.onNextChange(obj['id'], 'hey')
d.cancel()
world.setAttr(obj['id'], 'hey', 3)
self.assertFailure(d, defer.CancelledError)
def test_onNextChange_cancel(self):
"""
You can cancel the deferred returned by onNextChange
"""
world = World(MagicMock())
obj = world.create('foo')
d = world.onNextChange(obj['id'], 'hey')
d.cancel()
world.setAttr(obj['id'], 'hey', 3)
self.assertFailure(d, defer.CancelledError)
def test_onNextChange(self):
"""
You can get a Deferred which will fire when an attribute changes
"""
world = World(MagicMock())
obj = world.create('foo')
d = world.onNextChange(obj['id'], 'hey')
self.assertFalse(d.called)
world.setAttr(obj['id'], 'ho', 8)
self.assertFalse(d.called)
world.setAttr(obj['id'], 'hey', 3)
self.assertEqual(self.successResultOf(d), 3)
# make sure it isn't called again
world.setAttr(obj['id'], 'hey', 2)
def test_onNextChange(self):
"""
You can get a Deferred which will fire when an attribute changes
"""
world = World(MagicMock())
obj = world.create('foo')
d = world.onNextChange(obj['id'], 'hey')
self.assertFalse(d.called)
world.setAttr(obj['id'], 'ho', 8)
self.assertFalse(d.called)
world.setAttr(obj['id'], 'hey', 3)
self.assertEqual(self.successResultOf(d), 3)
# make sure it isn't called again
world.setAttr(obj['id'], 'hey', 2)
