def test_ttl_expire(self):
cache = TTLCache(maxsize=3, ttl=3, timer=Timer())
with cache.timer as time:
self.assertEqual(time, cache.timer())
self.assertEqual(3, cache.ttl)
cache[1] = 1
cache.timer.tick()
cache[2] = 2
cache.timer.tick()
cache[3] = 3
self.assertEqual(2, cache.timer())
self.assertEqual({1, 2, 3}, set(cache))
self.assertEqual(3, len(cache))
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire()
self.assertEqual({1, 2, 3}, set(cache))
self.assertEqual(3, len(cache))
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire(3)
self.assertEqual({2, 3}, set(cache))
self.assertEqual(2, len(cache))
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire(4)
self.assertEqual({3}, set(cache))
self.assertEqual(1, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertEqual(3, cache[3])
cache.expire(5)
self.assertEqual(set(), set(cache))
self.assertEqual(0, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertNotIn(3, cache)
def test_ttl_expire(self):
cache = TTLCache(maxsize=3, ttl=2, timer=Timer())
with cache.timer as time:
self.assertEqual(time, cache.timer())
self.assertEqual(2, cache.ttl)
cache[1] = 1
cache.timer.tick()
cache[2] = 2
cache.timer.tick()
cache[3] = 3
self.assertEqual(2, cache.timer())
self.assertEqual({1, 2, 3}, set(cache))
self.assertEqual(3, len(cache))
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire()
self.assertEqual({1, 2, 3}, set(cache))
self.assertEqual(3, len(cache))
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire(3)
self.assertEqual({2, 3}, set(cache))
self.assertEqual(2, len(cache))
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.expire(4)
self.assertEqual({3}, set(cache))
self.assertEqual(1, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertEqual(3, cache[3])
cache.expire(5)
self.assertEqual(set(), set(cache))
self.assertEqual(0, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertNotIn(3, cache)
def test_ttl(self):
cache = TTLCache(maxsize=2, ttl=2, timer=Timer())
self.assertEqual(0, cache.timer())
self.assertEqual(2, cache.ttl)
cache[1] = 1
self.assertEqual(1, cache[1])
self.assertEqual(1, len(cache))
self.assertEqual({1}, set(cache))
cache.timer.tick()
self.assertEqual(1, cache[1])
self.assertEqual(1, len(cache))
self.assertEqual({1}, set(cache))
cache[2] = 2
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
self.assertEqual(2, len(cache))
self.assertEqual({1, 2}, set(cache))
cache.timer.tick()
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
self.assertEqual(1, len(cache))
self.assertEqual({2}, set(cache))
cache[3] = 3
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
self.assertEqual(2, len(cache))
self.assertEqual({2, 3}, set(cache))
cache.timer.tick()
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertEqual(3, cache[3])
self.assertEqual(1, len(cache))
self.assertEqual({3}, set(cache))
cache.timer.tick()
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertNotIn(3, cache)
with self.assertRaises(KeyError):
del cache[1]
with self.assertRaises(KeyError):
cache.pop(2)
with self.assertRaises(KeyError):
del cache[3]
self.assertEqual(0, len(cache))
self.assertEqual(set(), set(cache))
def test_ttl(self):
cache = TTLCache(maxsize=2, ttl=1, timer=Timer())
self.assertEqual(0, cache.timer())
self.assertEqual(1, cache.ttl)
cache[1] = 1
self.assertEqual({1}, set(cache))
self.assertEqual(1, len(cache))
self.assertEqual(1, cache[1])
cache.timer.tick()
self.assertEqual({1}, set(cache))
self.assertEqual(1, len(cache))
self.assertEqual(1, cache[1])
cache[2] = 2
self.assertEqual({1, 2}, set(cache))
self.assertEqual(2, len(cache))
self.assertEqual(1, cache[1])
self.assertEqual(2, cache[2])
cache.timer.tick()
self.assertEqual({2}, set(cache))
self.assertEqual(1, len(cache))
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
cache[3] = 3
self.assertEqual({2, 3}, set(cache))
self.assertEqual(2, len(cache))
self.assertNotIn(1, cache)
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
cache.timer.tick()
self.assertEqual({3}, set(cache))
self.assertEqual(1, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertEqual(3, cache[3])
cache.timer.tick()
self.assertEqual(set(), set(cache))
self.assertEqual(0, len(cache))
self.assertNotIn(1, cache)
self.assertNotIn(2, cache)
self.assertNotIn(3, cache)
with self.assertRaises(KeyError):
del cache[1]
with self.assertRaises(KeyError):
cache.pop(2)
with self.assertRaises(KeyError):
del cache[3]
