import time
from WebKit.SidebarPage import SidebarPage
class TestIMS(SidebarPage):
def cornerTitle(Self):
return 'Testing'
def error(self, msg):
self.write('<p style="color:red">%s</p>' % self.htmlEncode(msg))
def writeMsg(self, msg):
self.write('<p>%s</p>' % self.htmlEncode(msg))
def writeTest(self, msg):
self.write('<h4>%s</h4>' % msg)
def getDoc(self, path, headers={}):
con = self._httpconnection(self._host)
con.request('GET', path, headers=headers)
return con.getresponse()
def writeContent(self):
import httplib
sd = self.request().serverDictionary()
self._host = sd['HTTP_HOST'] # includes the port
self._httpconnection = sd.get('HTTPS', '').lower() == 'on' \
and httplib.HTTPSConnection or httplib.HTTPConnection
servletPath = self.request().servletPath()
self.write('<h2>Test If-Modified-Since support in Webware</h2>')
# pick a static file which is served up by Webwares UnknownFileHandler
self.runTest('%s/PSP/Examples/psplogo.png' % servletPath)
def runTest(self, path):
self.writeTest('Opening <tt>%s</tt>' % path)
rsp = self.getDoc(path)
originalSize = size = len(rsp.read())
if rsp.status != 200:
self.error('Expected status of 200, received %s.' % rsp.status)
return
if size > 0:
self.writeMsg('Received: %s %s, document size = %s (as expected).'
% (rsp.status, rsp.reason, size))
else:
self.error('Document size is: %d' % size)
return
lm = rsp.getheader('Last-Modified', '')
if lm:
self.writeMsg('Last modified: %s' % lm)
else:
self.error('No Last-Modified header found.')
return
# Retrieve document again with IMS and expect a 304 not modified
self.writeTest('Opening <tt>%s</tt><br>with If-Modified-Since: %s' % (path, lm))
rsp = self.getDoc(path, {'If-Modified-Since': lm})
size = len(rsp.read())
if rsp.status != 304:
self.error('Expected status of 304, received %s.' % rsp.status)
return
if size:
self.error('Expected 0 length document, received %d bytes.' % size)
return
else:
self.writeMsg('Received %s %s, document size = %s (as expected).'
% (rsp.status, rsp.reason, size))
arpaformat = '%a, %d %b %Y %H:%M:%S GMT'
try:
t = list(time.strptime(lm, arpaformat))
except AttributeError: # this can happen for Python < 2.3 on Windows
self.error('Python version does not support time.strptime, sorry.')
return
t[0] -= 1 # last year
newlm = time.strftime(arpaformat, time.gmtime(time.mktime(t)))
self.writeTest('Opening <tt>%s</tt><br>with If-Modified-Since: %s'
% (path, newlm))
rsp = self.getDoc(path, {'If-Modified-Since': newlm})
size = len(rsp.read())
lm = rsp.getheader('Last-Modified', '')
self.writeMsg('Last modified: %s' % lm)
if rsp.status != 200:
self.error('Expected status of 200, received %s %s.'
% (rsp.status, rsp.reason))
return
if size != originalSize:
self.error('Received: %s %s, document size = %s, '
'expected size = %s.'
% (rsp.status, rsp.reason, size, originalSize))
return
else:
self.writeMsg('Received: %s %s, document size = %s (as expected).'
% (rsp.status, rsp.reason, size))
self.writeTest('%s passed.' % self.__class__.__name__)
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