def test_lru_with_keyword_args_l1_maxsize_none(self):
@utils.lru2cache(l1_maxsize=None, l2cache_name='dummy')
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(),
utils._CacheInfo(l1_hits=28, l1_misses=16, l2_hits=0, l2_misses=16, l1_maxsize=None, l1_currsize=16))
fib.cache_clear()
self.assertEqual(fib.cache_info(),
utils._CacheInfo(l1_hits=0, l1_misses=0, l2_hits=0, l2_misses=0, l1_maxsize=None, l1_currsize=0))
def test_l2_with_lru_l1_maxsize_zero(self):
@utils.lru2cache(l1_maxsize=0)
def fib(n):
if n < 2:
return n
return fib(n-1) + fib(n-2)
self.assertEqual([fib(n) for n in range(16)],
[0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610])
self.assertEqual(fib.cache_info(),
utils._CacheInfo(l1_hits=0, l1_misses=44, l2_hits=28, l2_misses=16, l1_maxsize=0, l1_currsize=0))
fib.cache_clear()
l2.clear()
self.assertEqual(fib.cache_info(),
utils._CacheInfo(l1_hits=0, l1_misses=0, l2_hits=0, l2_misses=0, l1_maxsize=0, l1_currsize=0))
def test_invalidations_with_l1_maxsize_none(self):
self.n = 2
@utils.lru2cache(l1_maxsize=None, l2cache_name='dummy')
def f(x):
return x * self.n
for self.n in range(2,10):
for i in range(1,10):
if not self.n & 1: # Test if even
f.invalidate(i) # If even invalidate the cache and get actual results
self.assertFalse(f(i) & 1) # Assert result is not odd
self.assertEqual(f.cache_info(),
utils._CacheInfo(l1_hits=36, l1_misses=36, l2_hits=0, l2_misses=36, l1_maxsize=None, l1_currsize=9))