def testWriteAccess(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="old_value") pc.addLayer("test", pl) pc.switch("test") pc["testkey"] = "new_value" self.assertEqual(pc["testkey"], "new_value") self.assertEqual(pl["testkey"], "new_value")
def testEmptySwitch(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="testvalue") pc.addLayer("x", pl) pc.switch("x") self.assertEqual(pc["testkey"], "testvalue") pc.switch() with self.assertRaises(KeyError): x = pc["testkey"]
def testPropertyResetAfterRemoval(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="testvalue") pc.addLayer("x", pl) pc.switch("x") self.assertEqual(pc["testkey"], "testvalue") pc.removeLayer("x") with self.assertRaises(KeyError): x = pc["testkey"]
def testForwardsEvents(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="old_value") pc.addLayer("test", pl) pc.switch("test") mock = Mock() pc.wire(mock.method) pc["testkey"] = "new_value" mock.method.assert_called_once_with({"testkey": "new_value"})
def testNoEventsIfKeysDontChange(self): pc = PropertyCarousel() pl_x = PropertyLayer(testkey="same_value") pc.addLayer("x", pl_x) pl_y = PropertyLayer(testkey="same_value") pc.addLayer("y", pl_y) pc.switch("x") mock = Mock() pc.wire(mock.method) pc.switch("y") mock.method.assert_not_called()
def testEventsOnSwitch(self): pc = PropertyCarousel() pl_x = PropertyLayer(old_key="old_value") pc.addLayer("x", pl_x) pl_y = PropertyLayer(new_key="new_value") pc.addLayer("y", pl_y) pc.switch("x") mock = Mock() pc.wire(mock.method) pc.switch("y") mock.method.assert_called_once_with({"old_key": PropertyDeleted, "new_key": "new_value"})
def testSendsChangesIfActiveLayerIsReplaced(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="testvalue") pc.addLayer("x", pl) pc.switch("x") self.assertEqual(pc["testkey"], "testvalue") mock = Mock() pc.wire(mock.method) pl = PropertyLayer(testkey="othervalue") pc.addLayer("x", pl) mock.method.assert_called_once_with({"testkey": "othervalue"})
def testStopsForwardingAfterSwitch(self): pc = PropertyCarousel() pl_x = PropertyLayer(testkey="old_value") pc.addLayer("x", pl_x) pl_y = PropertyLayer(testkey="new_value") pc.addLayer("y", pl_y) pc.switch("x") pc.switch("y") mock = Mock() pc.wire(mock.method) pl_x["testkey"] = "new_value" mock.method.assert_not_called()
def testKeyErrorOnInvalidSwitch(self): pc = PropertyCarousel() with self.assertRaises(KeyError): pc.switch("doesntmatter")
def testPropertyAccess(self): pc = PropertyCarousel() pl = PropertyLayer(testkey="testvalue") pc.addLayer("test", pl) pc.switch("test") self.assertEqual(pc["testkey"], "testvalue")