/usr/share/pyshared/cherrypy/test/test_cache_filter.py is in python-cherrypy 2.3.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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test.prefer_parent_path()
import cherrypy
from cherrypy.filters.cachefilter import expires
from cherrypy.lib.httptools import HTTPDate
def setup_server():
class Root:
def __init__(self):
cherrypy.counter = 0
def index(self):
cherrypy.counter += 1
msg = "visit #%s" % cherrypy.counter
return msg
index.exposed = True
def textplain(self):
cherrypy.response.headers['Content-type'] = 'text/plain'
cherrypy.response.headers['Last-Modified'] = HTTPDate()
return self.index()
textplain.exposed = True
class UnCached(object):
use_force = False
def force(self):
self.use_force = True
expires(force=self.use_force)
return "being forceful"
force.exposed = True
def dynamic(self):
cherrypy.response.headers['Cache-Control'] = 'private'
expires(force=self.use_force)
return "D-d-d-dynamic!"
dynamic.exposed = True
def cacheable(self):
cherrypy.response.headers['Etag'] = 'bibbitybobbityboo'
expires(force=self.use_force)
return "Hi, I'm cacheable."
cacheable.exposed = True
def specific(self):
expires(secs=86400, force=self.use_force)
return "I am being specific"
specific.exposed = True
cherrypy.root = Root()
cherrypy.root.expires = UnCached()
cherrypy.config.update({
'global': {'server.log_to_screen': False,
'server.environment': 'production',
'cache_filter.on': True,
},
'/expires': {'cache_filter.on': False},
})
import helper
class CacheFilterTest(helper.CPWebCase):
def testCaching(self):
elapsed = 0.0
for trial in xrange(10):
self.getPage("/")
# The response should be the same every time,
# except for the Age response header.
self.assertBody('visit #1')
if trial != 0:
age = int(self.assertHeader("Age"))
self.assert_(age >= elapsed)
elapsed = age
# POST, PUT, DELETE should not be cached.
self.getPage("/", method="POST")
self.assertBody('visit #2')
# The previous request should have invalidated the cache,
# so this request will recalc the response.
self.getPage("/", method="GET")
self.assertBody('visit #3')
# ...but this request should get the cached copy.
self.getPage("/", method="GET")
self.assertBody('visit #3')
self.getPage("/", method="DELETE")
self.assertBody('visit #4')
# The previous request should have invalidated the cache,
# so this request will recalc the response.
self.getPage("/", method="GET")
self.assertBody('visit #5')
# make sure that custom set Content-types get passed through on 304s
self.getPage("/textplain")
self.assertHeader("Content-type", "text/plain")
self.assertStatus("200 OK")
self.assertBody('visit #6')
date = self.assertHeader("Last-Modified")
self.getPage("/textplain", [("If-Modified-Since", date)])
self.assertHeader("Content-type", "text/plain")
self.assertStatus("304 Not Modified")
def testExpiresTool(self):
# test setting an expires header
self.getPage("/expires/specific")
self.assertStatus("200 OK")
self.assertHeader("Expires")
# dynamic content that sets indicators should not have
# "cache prevention" headers
self.getPage("/expires/cacheable")
self.assertStatus("200 OK")
self.assertNoHeader("Pragma")
self.assertNoHeader("Cache-Control")
self.getPage('/expires/dynamic')
self.assertBody("D-d-d-dynamic!")
# the Cache-Control header should be untouched
self.assertHeader("Cache-Control", "private")
# configure the tool to ignore indicators and replace existing headers
self.getPage("/expires/force")
self.assertStatus("200 OK")
# This also gives us a chance to test 0 expiry with no other headers
self.assertHeader("Pragma", "no-cache")
conf = cherrypy.config.get
if conf('server.protocol_version', '') == "HTTP/1.1":
self.assertHeader("Cache-Control", "no-cache")
d = self.assertHeader("Date")
self.assertHeader("Expires", d)
# the cacheable handler should now have "cache prevention" headers
self.getPage("/expires/cacheable")
self.assertStatus("200 OK")
self.assertHeader("Pragma", "no-cache")
if conf('server.protocol_version', '') == "HTTP/1.1":
self.assertHeader("Cache-Control", "no-cache")
d = self.assertHeader("Date")
self.assertHeader("Expires", d)
self.getPage('/expires/dynamic')
self.assertBody("D-d-d-dynamic!")
# dynamic sets Cache-Control to private but it should be
# overwritten here ...
self.assertHeader("Pragma", "no-cache")
if conf('server.protocol_version', '') == "HTTP/1.1":
self.assertHeader("Cache-Control", "no-cache")
d = self.assertHeader("Date")
self.assertHeader("Expires", d)
if __name__ == '__main__':
setup_server()
helper.testmain()
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