def test_get_deletes_expired_key(self):
key1, expected1 = 'key1', 'value1'
key2, expected2 = 'key2', 'value2'
key3, expected3 = 'key3', 'value3'
c = Cache()
c.set(key1, expected1, 0.03)
c.set(key2, expected2)
c.set(key3, expected3, 0.05)
sleep(0.12)
self.assertRaises(KeyExpiredError, c.get, key1)
self.assertRaises(KeyExpiredError, c.get, key3)
self.assertEquals(len(c), 1)
self.assertNotIn(key1, c)
self.assertIn(key2, c)
self.assertNotIn(key3, c)
# It will be arranged in the same order as .get were called in
self.assertListEqual(c._expired_on_op, [key1, key3])
deleted = c.delete_expired()
self.assertEquals(sorted(deleted), [key1, key3])
self.assertListEqual(c._expired_on_op, [])
def test_set_already_exists_extend_expiry_on_set_false(self):
key1, expected1 = 'key1', 'value1'
expected1_new = 'value1_new'
c = Cache(extend_expiry_on_set=False)
c.set(key1, expected1, 0.1)
sleep(0.11)
self.assertRaises(KeyExpiredError, c.set, key1, expected1_new)
self.assertEquals(len(c), 0)
self.assertListEqual(c._expired_on_op, [key1])
deleted = c.delete_expired()
self.assertEquals(sorted(deleted), [key1])
self.assertListEqual(c._expired_on_op, [])
def test_delete_expired(self):
key1, expected1 = 'key1', 'value1'
key2, expected2 = 'key2', 'value2'
key3, expected3 = 'key3', 'value3'
c = Cache()
c.set(key1, expected1, 0.1)
c.set(key2, expected2)
c.set(key3, expected3, 0.03)
sleep(0.12)
deleted = c.delete_expired()
self.assertEquals(sorted(deleted), [key1, key3])
self.assertEquals(len(c), 1)
self.assertNotIn(key1, c)
self.assertIn(key2, c)
self.assertNotIn(key3, c)
