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))
def test_item_expiration(self):
cache = Cache(100)
item = CacheItem("test_addr","test_value", sec(0.1), sec(0.2), sec(0.3))
cache.add_item(item)
gitem = cache.get_item("test_addr","fresh")
self.failUnlessEqual(gitem,item)
sleep(0.01)
gitem = cache.get_item("test_addr","fresh")
self.failUnlessEqual(gitem,item)
sleep(0.1)
gitem = cache.get_item("test_addr","fresh")
self.failUnlessEqual(gitem,None)
cache.tick()
gitem = cache.get_item("test_addr","old")
self.failUnlessEqual(gitem,item)
sleep(0.3)
cache.tick()
gitem = cache.get_item("test_addr","stale")
self.failUnlessEqual(gitem,None)
self.failUnlessEqual(cache.num_items(),0,"number of items: "+`cache.num_items()`)
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"))
