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#!/usr/bin/env python
from datetime import datetime
from time import mktime
from email.utils import parsedate
from circuits.web import Controller
from .helpers import urlopen
class Root(Controller):
def index(self):
self.expires(60)
return "Hello World!"
def nocache(self):
self.expires(0)
return "Hello World!"
def test(webapp):
f = urlopen(webapp.server.http.base)
s = f.read()
assert s == b"Hello World!"
expires = f.headers["Expires"]
diff = (mktime(parsedate(expires)) - mktime(datetime.utcnow().timetuple()))
assert 60 - (60 * 0.1) < diff < 60 + (60 * 0.1) # diff is about 60 +- 10%
def test_nocache(webapp):
f = urlopen("%s/nocache" % webapp.server.http.base)
s = f.read()
assert s == b"Hello World!"
expires = f.headers["Expires"]
pragma = f.headers["Pragma"]
cacheControl = f.headers["Cache-Control"]
now = datetime.utcnow()
lastyear = now.replace(year=now.year-1)
diff = (mktime(parsedate(expires)) - mktime(lastyear.utctimetuple()))
assert diff < 1.0
assert pragma == "no-cache"
assert cacheControl == "no-cache, must-revalidate"
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