def test_request_object_backup(self):
cache = Cache(100)
cache.set_fetcher(self.Fetcher)
cache.request_object(1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
self.failUnlessEqual(self.event,("success", 1, "value1", "new"))
self.event = None
self.force_error = True
cache.request_object(1, "new", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
self.failUnlessEqual(self.event,("error", 1, "Forced error"))
self.event = None
self.force_error = True
cache.request_object(1, "new", self.object_handler,
self.error_handler, self.timeout_handler,
backup_state = "stale")
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
self.failUnlessEqual(self.event,("success", 1, "value1", "stale"))
def test_request_object_success(self):
cache = Cache(100)
cache.set_fetcher(self.Fetcher)
cache.request_object(1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
self.failUnlessEqual(self.event,("success", 1, "value1", "new"))
self.event = None
cache.request_object(1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,("success", 1, "value1", "fresh"))
self.event = None
cache.request_object(2, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
cache.tick()
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
cache.tick()
self.failUnlessEqual(self.event,("success", 2, "value2", "new"))
self.event = None
cache.request_object(2, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,("success", 2, "value2", "fresh"))
cache.tick()
self.event = None
cache.request_object(1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,("success", 1, "value1", "fresh"))
def test_request_object_failure(self):
cache = Cache(100)
cache.set_fetcher(self.Fetcher)
cache.request_object(-1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler)
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
cache.tick()
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.3)
cache.tick()
self.failUnlessEqual(self.event,("error", -1, "Negative address"))
def test_request_object_timeout(self):
cache = Cache(100)
cache.set_fetcher(self.Fetcher)
cache.request_object(1, "fresh", self.object_handler,
self.error_handler, self.timeout_handler,
timeout=timedelta(seconds=0.1))
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
cache.tick()
self.failUnlessEqual(self.event,None,"Early event: %r" % (self.event,))
sleep(0.05)
cache.tick()
sleep(0.05)
cache.tick()
sleep(0.05)
cache.tick()
sleep(0.3)
cache.tick()
self.failUnlessEqual(self.event,("timeout", 1))