def test_is_dead(self):
self.fail_if_not_testing_env()
self.clean_monkey_db()
# Arrange
alive_monkey_ttl = MonkeyTtl.create_ttl_expire_in(30)
alive_monkey_ttl.save()
alive_monkey = Monkey(guid=str(uuid.uuid4()),
dead=False,
ttl_ref=alive_monkey_ttl.id)
alive_monkey.save()
# MIA stands for Missing In Action
mia_monkey_ttl = MonkeyTtl.create_ttl_expire_in(30)
mia_monkey_ttl.save()
mia_monkey = Monkey(guid=str(uuid.uuid4()),
dead=False,
ttl_ref=mia_monkey_ttl)
mia_monkey.save()
# Emulate timeout - ttl is manually deleted here, since we're using mongomock and not a real mongo instance.
sleep(1)
mia_monkey_ttl.delete()
dead_monkey = Monkey(guid=str(uuid.uuid4()), dead=True)
dead_monkey.save()
# act + assert
self.assertTrue(dead_monkey.is_dead())
self.assertTrue(mia_monkey.is_dead())
self.assertFalse(alive_monkey.is_dead())