class TestTimingServiceLocator (TestServiceLocator): def setup (self): self.slp = TimingServiceLocator(expire=2) def test_init_expire (self): assert self.slp.expire == 2 def test_expire_services (self): self.slp.register("foo_service", "http://localhost:5900") start = time.time() self.slp.expire_services() assert time.time() < start + 2 location = self.slp.locate("foo_service") assert location == "http://localhost:5900" time.sleep(3) assert (time.time() - start) > 2 self.slp.expire_services() location = self.slp.locate("foo_service") assert location == ""