test_rlcompleter.py 文件源码

def test_excessive_getattr(self):
        # Ensure getattr() is invoked no more than once per attribute
        class Foo:
            calls = 0
            @property
            def bar(self):
                self.calls += 1
                return None
        f = Foo()
        completer = rlcompleter.Completer(dict(f=f))
        self.assertEqual(completer.complete('f.b', 0), 'f.bar')
        self.assertEqual(f.calls, 1)