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# -*- coding: utf-8 -*-
from django.conf import settings
from django.http import HttpRequest
from django.middleware.common import CommonMiddleware
from django.middleware.http import ConditionalGetMiddleware
from django.test import TestCase
class CommonMiddlewareTest(TestCase):
def setUp(self):
self.slash = settings.APPEND_SLASH
self.www = settings.PREPEND_WWW
def tearDown(self):
settings.APPEND_SLASH = self.slash
settings.PREPEND_WWW = self.www
def _get_request(self, path):
request = HttpRequest()
request.META = {
'SERVER_NAME': 'testserver',
'SERVER_PORT': 80,
}
request.path = request.path_info = "/middleware/%s" % path
return request
def test_append_slash_have_slash(self):
"""
Tests that URLs with slashes go unmolested.
"""
settings.APPEND_SLASH = True
request = self._get_request('slash/')
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_slashless_resource(self):
"""
Tests that matches to explicit slashless URLs go unmolested.
"""
settings.APPEND_SLASH = True
request = self._get_request('noslash')
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_slashless_unknown(self):
"""
Tests that APPEND_SLASH doesn't redirect to unknown resources.
"""
settings.APPEND_SLASH = True
request = self._get_request('unknown')
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_redirect(self):
"""
Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
"""
settings.APPEND_SLASH = True
request = self._get_request('slash')
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'], 'http://testserver/middleware/slash/')
def test_append_slash_no_redirect_on_POST_in_DEBUG(self):
"""
Tests that while in debug mode, an exception is raised with a warning
when a failed attempt is made to POST to an URL which would normally be
redirected to a slashed version.
"""
settings.APPEND_SLASH = True
settings.DEBUG = True
request = self._get_request('slash')
request.method = 'POST'
self.assertRaises(
RuntimeError,
CommonMiddleware().process_request,
request)
try:
CommonMiddleware().process_request(request)
except RuntimeError, e:
self.assertTrue('end in a slash' in str(e))
settings.DEBUG = False
def test_append_slash_disabled(self):
"""
Tests disabling append slash functionality.
"""
settings.APPEND_SLASH = False
request = self._get_request('slash')
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_quoted(self):
"""
Tests that URLs which require quoting are redirected to their slash
version ok.
"""
settings.APPEND_SLASH = True
request = self._get_request('needsquoting#')
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(
r['Location'],
'http://testserver/middleware/needsquoting%23/')
def test_prepend_www(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = False
request = self._get_request('path/')
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(
r['Location'],
'http://www.testserver/middleware/path/')
def test_prepend_www_append_slash_have_slash(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = True
request = self._get_request('slash/')
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'],
'http://www.testserver/middleware/slash/')
def test_prepend_www_append_slash_slashless(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = True
request = self._get_request('slash')
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'],
'http://www.testserver/middleware/slash/')
# The following tests examine expected behavior given a custom urlconf that
# overrides the default one through the request object.
def test_append_slash_have_slash_custom_urlconf(self):
"""
Tests that URLs with slashes go unmolested.
"""
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/slash/')
request.urlconf = 'regressiontests.middleware.extra_urls'
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_slashless_resource_custom_urlconf(self):
"""
Tests that matches to explicit slashless URLs go unmolested.
"""
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/noslash')
request.urlconf = 'regressiontests.middleware.extra_urls'
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_slashless_unknown_custom_urlconf(self):
"""
Tests that APPEND_SLASH doesn't redirect to unknown resources.
"""
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/unknown')
request.urlconf = 'regressiontests.middleware.extra_urls'
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_redirect_custom_urlconf(self):
"""
Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
"""
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/slash')
request.urlconf = 'regressiontests.middleware.extra_urls'
r = CommonMiddleware().process_request(request)
self.assertFalse(r is None,
"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'], 'http://testserver/middleware/customurlconf/slash/')
def test_append_slash_no_redirect_on_POST_in_DEBUG_custom_urlconf(self):
"""
Tests that while in debug mode, an exception is raised with a warning
when a failed attempt is made to POST to an URL which would normally be
redirected to a slashed version.
"""
settings.APPEND_SLASH = True
settings.DEBUG = True
request = self._get_request('customurlconf/slash')
request.urlconf = 'regressiontests.middleware.extra_urls'
request.method = 'POST'
self.assertRaises(
RuntimeError,
CommonMiddleware().process_request,
request)
try:
CommonMiddleware().process_request(request)
except RuntimeError, e:
self.assertTrue('end in a slash' in str(e))
settings.DEBUG = False
def test_append_slash_disabled_custom_urlconf(self):
"""
Tests disabling append slash functionality.
"""
settings.APPEND_SLASH = False
request = self._get_request('customurlconf/slash')
request.urlconf = 'regressiontests.middleware.extra_urls'
self.assertEqual(CommonMiddleware().process_request(request), None)
def test_append_slash_quoted_custom_urlconf(self):
"""
Tests that URLs which require quoting are redirected to their slash
version ok.
"""
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/needsquoting#')
request.urlconf = 'regressiontests.middleware.extra_urls'
r = CommonMiddleware().process_request(request)
self.assertFalse(r is None,
"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
self.assertEqual(r.status_code, 301)
self.assertEqual(
r['Location'],
'http://testserver/middleware/customurlconf/needsquoting%23/')
def test_prepend_www_custom_urlconf(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = False
request = self._get_request('customurlconf/path/')
request.urlconf = 'regressiontests.middleware.extra_urls'
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(
r['Location'],
'http://www.testserver/middleware/customurlconf/path/')
def test_prepend_www_append_slash_have_slash_custom_urlconf(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/slash/')
request.urlconf = 'regressiontests.middleware.extra_urls'
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'],
'http://www.testserver/middleware/customurlconf/slash/')
def test_prepend_www_append_slash_slashless_custom_urlconf(self):
settings.PREPEND_WWW = True
settings.APPEND_SLASH = True
request = self._get_request('customurlconf/slash')
request.urlconf = 'regressiontests.middleware.extra_urls'
r = CommonMiddleware().process_request(request)
self.assertEqual(r.status_code, 301)
self.assertEqual(r['Location'],
'http://www.testserver/middleware/customurlconf/slash/')
class ConditionalGetMiddlewareTest(TestCase):
urls = 'regressiontests.middleware.cond_get_urls'
def setUp(self):
self.req = HttpRequest()
self.req.META = {
'SERVER_NAME': 'testserver',
'SERVER_PORT': 80,
}
self.req.path = self.req.path_info = "/"
self.resp = self.client.get(self.req.path)
# Tests for the Date header
def test_date_header_added(self):
self.assertFalse('Date' in self.resp)
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertTrue('Date' in self.resp)
# Tests for the Content-Length header
def test_content_length_header_added(self):
content_length = len(self.resp.content)
self.assertFalse('Content-Length' in self.resp)
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertTrue('Content-Length' in self.resp)
self.assertEqual(int(self.resp['Content-Length']), content_length)
def test_content_length_header_not_changed(self):
bad_content_length = len(self.resp.content) + 10
self.resp['Content-Length'] = bad_content_length
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(int(self.resp['Content-Length']), bad_content_length)
# Tests for the ETag header
def test_if_none_match_and_no_etag(self):
self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
def test_no_if_none_match_and_etag(self):
self.resp['ETag'] = 'eggs'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
def test_if_none_match_and_same_etag(self):
self.req.META['HTTP_IF_NONE_MATCH'] = self.resp['ETag'] = 'spam'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 304)
def test_if_none_match_and_different_etag(self):
self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
self.resp['ETag'] = 'eggs'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
# Tests for the Last-Modified header
def test_if_modified_since_and_no_last_modified(self):
self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
def test_no_if_modified_since_and_last_modified(self):
self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
def test_if_modified_since_and_same_last_modified(self):
self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 304)
def test_if_modified_since_and_last_modified_in_the_past(self):
self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:35:44 GMT'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 304)
def test_if_modified_since_and_last_modified_in_the_future(self):
self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:41:44 GMT'
self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.resp.status_code, 200)
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