test_functools.py 文件源码

def test_lru_with_keyword_args(self):
        @functools.lru_cache()
        def fib(n):
            if n < 2:
                return n
            return fib(n=n-1) + fib(n=n-2)
        self.assertEqual(
            [fib(n=number) for number in range(16)],
            [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610]
        )
        self.assertEqual(fib.cache_info(),
            functools._CacheInfo(hits=28, misses=16, maxsize=128, currsize=16))
        fib.cache_clear()
        self.assertEqual(fib.cache_info(),
            functools._CacheInfo(hits=0, misses=0, maxsize=128, currsize=0))