Python Singleton._num_instances примеры использования

Пример #1

    def test_num_instances(self):

        self.assertEquals(Singleton._num_instances(), 2)

        Singleton.__del_instance__('s1')

        self.assertEquals(Singleton._num_instances(), 1)

Пример #2

    def tearDown(self):
        Singleton.__del_instance__('s1')
        Singleton.__del_instance__('s2')

        self.assertEquals(Singleton._num_instances(), 0)