def test_no_ttl(self):
l = TTLRU(2)
l.set_with_ttl(0, 0, -1)
l.set_with_ttl(1, 1, int(20e6))
self.assertEqual(l.items(), [(1, 1), (0, 0)])
time.sleep(0.02) # approximately 0.02s
self.assertEqual(l.items(), [(0, 0)])
time.sleep(0.02) # approximately 0.04s
self.assertEqual(l.items(), [(0, 0)])
def test_replace_key_with_ttl(self):
l = TTLRU(2, ttl=int(20e6))
l[1] = 1
self.assertEqual(l.items(), [(1, 1)])
time.sleep(0.01) # approximately 0.01s
self.assertEqual(l.items(), [(1, 1)])
l[1] = 2
self.assertEqual(l.items(), [(1, 2)])
time.sleep(0.01) # approximately 0.01s
self.assertEqual(l.items(), [(1, 2)])
time.sleep(0.01) # approximately 0.03s
self.assertEqual(l.items(), [])