def test_manager(self): source = QObject() target = QObject() manager = BindingManager(submitPolicy=BindingManager.ManualSubmit) manager.bind((target, "target"), None).to((source, "source")) tbind = DynamicPropertyBinding(target, "target_copy") sbind = DynamicPropertyBinding(source, "source") schanged = [] sbind.changed[object].connect(schanged.append) manager.bind(tbind, None).to(sbind) source.setProperty("source", 1) self.assertEqual(len(schanged), 1) self.assertEqual(target.property("target"), None) manager.commit() self.assertEqual(target.property("target"), 1) self.assertEqual(target.property("target_copy"), 1) source.setProperty("source", 2) manager.setSubmitPolicy(BindingManager.AutoSubmit) self.assertEqual(target.property("target"), 2) self.assertEqual(target.property("target_copy"), 2)
def test_dyn(self): obj = QObject() changed = [] binding = DynamicPropertyBinding(obj, "test") binding.changed[object].connect(changed.append) self.assertIs(binding.get(), None) obj.setProperty("test", 1) self.assertEqual(binding.get(), 1) self.assertEqual(len(changed), 1) self.assertEqual(changed[-1], 1) binding.set(2) self.assertEqual(binding.get(), 2) self.assertEqual(len(changed), 2) self.assertEqual(changed[-1], 2) target = QObject() binding1 = DynamicPropertyBinding(target, "prop") binding1.bindTo(binding) self.assertEqual(binding1.get(), binding.get()) self.assertEqual(target.property("prop"), 2) binding.set("a string") self.assertEqual(binding1.get(), "a string") self.assertEqual(binding1.get(), binding.get()) self.assertEqual(target.property("prop"), "a string") binding1.unbind() binding.set(1) self.assertEqual(binding1.get(), "a string") self.assertEqual(target.property("prop"), "a string") self.assertEqual(binding.get(), 1) self.assertEqual(obj.property("test"), 1)