def test_peek_last_item_ttl(self):
l = TTLRU(2)
l.set_with_ttl(0, 0, int(80e6))
l.set_with_ttl(1, 1, int(20e6))
self.assertEqual(l.peek_first_item(), (1, 1))
self.assertEqual(l.peek_last_item(), (0, 0))
time.sleep(0.01) # approximately 0.01s
self.assertEqual(l.peek_last_item(), (0, 0))
time.sleep(0.01) # approximately 0.02s
self.assertEqual(l.peek_last_item(), (0, 0))
time.sleep(0.05) # approximately 0.07s
self.assertEqual(l.peek_last_item(), (0, 0))
time.sleep(0.01) # approximately 0.08s
self.assertEqual(l.peek_first_item(), None)
l.set_with_ttl(0, 0, int(10e6))
l.set_with_ttl(1, 1, int(20e6))
self.assertEqual(l.peek_last_item(), (0, 0))
time.sleep(0.01) # approximately 0.01s
self.assertEqual(l.peek_last_item(), (1, 1))
time.sleep(0.01) # approximately 0.02s
self.assertEqual(l.peek_first_item(), None)
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_set_with_ttl(self):
l = TTLRU(2)
l.set_with_ttl(0, 0, int(20e6))
l.set_with_ttl(1, 1, int(80e6))
self.assertTrue(0 in l)
self.assertTrue(1 in l)
time.sleep(0.01) # approximately 0.01s
self.assertTrue(0 in l)
self.assertTrue(1 in l)
time.sleep(0.01) # approximately 0.02s
self.assertTrue(0 not in l)
self.assertTrue(1 in l)
time.sleep(0.01) # approximately 0.03s
self.assertTrue(0 not in l)
self.assertTrue(1 in l)
time.sleep(0.04) # approximately 0.07s
self.assertTrue(0 not in l)
self.assertTrue(1 in l)
time.sleep(0.01) # approximately 0.08s
self.assertTrue(0 not in l)
self.assertTrue(1 not in l)