Method testOnce

src/Test/TestEvent.py:27–37

(self)

        assert test_obj.called == ["Called #1", "Called #2", "Once", "Called #1", "Called #2", "Called #1", "Called #2"]

    def testOnce(self):
        test_obj = ExampleClass()
        test_obj.onChanged.once(lambda: test_obj.increment("Once test #1"))

        # It should be called only once
        assert test_obj.called == []
        test_obj.onChanged()
        assert test_obj.called == ["Once test #1"]
        test_obj.onChanged()
        test_obj.onChanged()
        assert test_obj.called == ["Once test #1"]

    def testOnceMultiple(self):
        test_obj = ExampleClass()