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2607fa9016
This (nearly) completes the work to isolate all the test modules from each other. This is now more important as importing models from another module will case PendingDeprecationWarnings if those modules are not in INSTALLED_APPS. The only remaining obvious dependencies are: - d.c.auth depends on d.c.admin (because of the is_admin flag to some views), but this is not so important and d.c.admin is in always_installed_apps - test_client_regress depends on test_client. Eventually these should become a single module, as the split serves no useful purpose.
769 lines
32 KiB
Python
769 lines
32 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import gzip
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from io import BytesIO
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import random
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import re
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from unittest import skipIf
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import warnings
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from django.conf import settings
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from django.core import mail
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from django.db import (transaction, connections, DEFAULT_DB_ALIAS,
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IntegrityError)
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from django.http import HttpRequest, HttpResponse, StreamingHttpResponse
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from django.middleware.clickjacking import XFrameOptionsMiddleware
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from django.middleware.common import CommonMiddleware, BrokenLinkEmailsMiddleware
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from django.middleware.http import ConditionalGetMiddleware
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from django.middleware.gzip import GZipMiddleware
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from django.middleware.transaction import TransactionMiddleware
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from django.test import TransactionTestCase, TestCase, RequestFactory, override_settings
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from django.test.utils import IgnoreDeprecationWarningsMixin
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from django.utils import six
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from django.utils.encoding import force_str
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from django.utils.six.moves import xrange
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from .models import Band
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class CommonMiddlewareTest(TestCase):
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urls = 'middleware.urls'
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def _get_request(self, path):
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request = HttpRequest()
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request.META = {
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'SERVER_NAME': 'testserver',
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'SERVER_PORT': 80,
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}
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request.path = request.path_info = "/%s" % path
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return request
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_have_slash(self):
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"""
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Tests that URLs with slashes go unmolested.
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"""
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request = self._get_request('slash/')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_slashless_resource(self):
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"""
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Tests that matches to explicit slashless URLs go unmolested.
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"""
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request = self._get_request('noslash')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_slashless_unknown(self):
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"""
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Tests that APPEND_SLASH doesn't redirect to unknown resources.
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"""
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request = self._get_request('unknown')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_redirect(self):
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"""
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Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
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"""
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request = self._get_request('slash')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url, 'http://testserver/slash/')
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@override_settings(APPEND_SLASH=True, DEBUG=True)
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def test_append_slash_no_redirect_on_POST_in_DEBUG(self):
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"""
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Tests that while in debug mode, an exception is raised with a warning
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when a failed attempt is made to POST to an URL which would normally be
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redirected to a slashed version.
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"""
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request = self._get_request('slash')
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request.method = 'POST'
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with six.assertRaisesRegex(self, RuntimeError, 'end in a slash'):
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CommonMiddleware().process_request(request)
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@override_settings(APPEND_SLASH=False)
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def test_append_slash_disabled(self):
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"""
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Tests disabling append slash functionality.
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"""
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request = self._get_request('slash')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_quoted(self):
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"""
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Tests that URLs which require quoting are redirected to their slash
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version ok.
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"""
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request = self._get_request('needsquoting#')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r.url,
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'http://testserver/needsquoting%23/')
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@override_settings(APPEND_SLASH=False, PREPEND_WWW=True)
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def test_prepend_www(self):
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request = self._get_request('path/')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r.url,
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'http://www.testserver/path/')
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@override_settings(APPEND_SLASH=True, PREPEND_WWW=True)
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def test_prepend_www_append_slash_have_slash(self):
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request = self._get_request('slash/')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url,
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'http://www.testserver/slash/')
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@override_settings(APPEND_SLASH=True, PREPEND_WWW=True)
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def test_prepend_www_append_slash_slashless(self):
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request = self._get_request('slash')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url,
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'http://www.testserver/slash/')
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# The following tests examine expected behavior given a custom urlconf that
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# overrides the default one through the request object.
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_have_slash_custom_urlconf(self):
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"""
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Tests that URLs with slashes go unmolested.
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"""
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request = self._get_request('customurlconf/slash/')
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request.urlconf = 'middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_slashless_resource_custom_urlconf(self):
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"""
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Tests that matches to explicit slashless URLs go unmolested.
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"""
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request = self._get_request('customurlconf/noslash')
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request.urlconf = 'middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_slashless_unknown_custom_urlconf(self):
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"""
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Tests that APPEND_SLASH doesn't redirect to unknown resources.
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"""
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request = self._get_request('customurlconf/unknown')
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request.urlconf = 'middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_redirect_custom_urlconf(self):
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"""
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Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
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"""
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertFalse(r is None,
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"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url, 'http://testserver/customurlconf/slash/')
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@override_settings(APPEND_SLASH=True, DEBUG=True)
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def test_append_slash_no_redirect_on_POST_in_DEBUG_custom_urlconf(self):
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"""
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Tests that while in debug mode, an exception is raised with a warning
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when a failed attempt is made to POST to an URL which would normally be
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redirected to a slashed version.
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"""
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'middleware.extra_urls'
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request.method = 'POST'
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with six.assertRaisesRegex(self, RuntimeError, 'end in a slash'):
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CommonMiddleware().process_request(request)
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@override_settings(APPEND_SLASH=False)
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def test_append_slash_disabled_custom_urlconf(self):
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"""
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Tests disabling append slash functionality.
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"""
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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@override_settings(APPEND_SLASH=True)
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def test_append_slash_quoted_custom_urlconf(self):
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"""
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Tests that URLs which require quoting are redirected to their slash
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version ok.
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"""
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request = self._get_request('customurlconf/needsquoting#')
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request.urlconf = 'middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertFalse(r is None,
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"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r.url,
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'http://testserver/customurlconf/needsquoting%23/')
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@override_settings(APPEND_SLASH=False, PREPEND_WWW=True)
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def test_prepend_www_custom_urlconf(self):
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request = self._get_request('customurlconf/path/')
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request.urlconf = 'middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r.url,
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'http://www.testserver/customurlconf/path/')
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@override_settings(APPEND_SLASH=True, PREPEND_WWW=True)
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def test_prepend_www_append_slash_have_slash_custom_urlconf(self):
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request = self._get_request('customurlconf/slash/')
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request.urlconf = 'middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url,
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'http://www.testserver/customurlconf/slash/')
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@override_settings(APPEND_SLASH=True, PREPEND_WWW=True)
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def test_prepend_www_append_slash_slashless_custom_urlconf(self):
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r.url,
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'http://www.testserver/customurlconf/slash/')
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# Legacy tests for the 404 error reporting via email (to be removed in 1.8)
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@override_settings(IGNORABLE_404_URLS=(re.compile(r'foo'),),
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SEND_BROKEN_LINK_EMAILS=True,
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MANAGERS=('PHB@dilbert.com',))
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def test_404_error_reporting(self):
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request = self._get_request('regular_url/that/does/not/exist')
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request.META['HTTP_REFERER'] = '/another/url/'
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 1)
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self.assertIn('Broken', mail.outbox[0].subject)
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@override_settings(IGNORABLE_404_URLS=(re.compile(r'foo'),),
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SEND_BROKEN_LINK_EMAILS=True,
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MANAGERS=('PHB@dilbert.com',))
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def test_404_error_reporting_no_referer(self):
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request = self._get_request('regular_url/that/does/not/exist')
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 0)
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@override_settings(IGNORABLE_404_URLS=(re.compile(r'foo'),),
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SEND_BROKEN_LINK_EMAILS=True,
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MANAGERS=('PHB@dilbert.com',))
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def test_404_error_reporting_ignored_url(self):
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request = self._get_request('foo_url/that/does/not/exist/either')
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request.META['HTTP_REFERER'] = '/another/url/'
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 0)
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# Other tests
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def test_non_ascii_query_string_does_not_crash(self):
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"""Regression test for #15152"""
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request = self._get_request('slash')
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request.META['QUERY_STRING'] = force_str('drink=café')
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response = CommonMiddleware().process_request(request)
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self.assertEqual(response.status_code, 301)
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@override_settings(
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IGNORABLE_404_URLS=(re.compile(r'foo'),),
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MANAGERS=('PHB@dilbert.com',),
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)
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class BrokenLinkEmailsMiddlewareTest(TestCase):
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def setUp(self):
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self.req = HttpRequest()
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self.req.META = {
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'SERVER_NAME': 'testserver',
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'SERVER_PORT': 80,
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}
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self.req.path = self.req.path_info = 'regular_url/that/does/not/exist'
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self.resp = self.client.get(self.req.path)
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def test_404_error_reporting(self):
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self.req.META['HTTP_REFERER'] = '/another/url/'
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BrokenLinkEmailsMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 1)
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self.assertIn('Broken', mail.outbox[0].subject)
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def test_404_error_reporting_no_referer(self):
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BrokenLinkEmailsMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 0)
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def test_404_error_reporting_ignored_url(self):
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self.req.path = self.req.path_info = 'foo_url/that/does/not/exist'
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BrokenLinkEmailsMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 0)
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@skipIf(six.PY3, "HTTP_REFERER is str type on Python 3")
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def test_404_error_nonascii_referrer(self):
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# Such referer strings should not happen, but anyway, if it happens,
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# let's not crash
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self.req.META['HTTP_REFERER'] = b'http://testserver/c/\xd0\xbb\xd0\xb8/'
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BrokenLinkEmailsMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 1)
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def test_custom_request_checker(self):
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class SubclassedMiddleware(BrokenLinkEmailsMiddleware):
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ignored_user_agent_patterns = (re.compile(r'Spider.*'),
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re.compile(r'Robot.*'))
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def is_ignorable_request(self, request, uri, domain, referer):
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'''Check user-agent in addition to normal checks.'''
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if super(SubclassedMiddleware, self).is_ignorable_request(request, uri, domain, referer):
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return True
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user_agent = request.META['HTTP_USER_AGENT']
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return any(pattern.search(user_agent) for pattern in
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self.ignored_user_agent_patterns)
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self.req.META['HTTP_REFERER'] = '/another/url/'
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self.req.META['HTTP_USER_AGENT'] = 'Spider machine 3.4'
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SubclassedMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 0)
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self.req.META['HTTP_USER_AGENT'] = 'My user agent'
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SubclassedMiddleware().process_response(self.req, self.resp)
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self.assertEqual(len(mail.outbox), 1)
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class ConditionalGetMiddlewareTest(TestCase):
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urls = 'middleware.cond_get_urls'
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def setUp(self):
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self.req = HttpRequest()
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self.req.META = {
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'SERVER_NAME': 'testserver',
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'SERVER_PORT': 80,
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}
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self.req.path = self.req.path_info = "/"
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self.resp = self.client.get(self.req.path)
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# Tests for the Date header
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def test_date_header_added(self):
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self.assertFalse('Date' in self.resp)
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertTrue('Date' in self.resp)
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# Tests for the Content-Length header
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def test_content_length_header_added(self):
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content_length = len(self.resp.content)
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self.assertFalse('Content-Length' in self.resp)
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertTrue('Content-Length' in self.resp)
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self.assertEqual(int(self.resp['Content-Length']), content_length)
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def test_content_length_header_not_added(self):
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resp = StreamingHttpResponse('content')
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self.assertFalse('Content-Length' in resp)
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resp = ConditionalGetMiddleware().process_response(self.req, resp)
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self.assertFalse('Content-Length' in resp)
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def test_content_length_header_not_changed(self):
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bad_content_length = len(self.resp.content) + 10
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self.resp['Content-Length'] = bad_content_length
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(int(self.resp['Content-Length']), bad_content_length)
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# Tests for the ETag header
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def test_if_none_match_and_no_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_no_if_none_match_and_etag(self):
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self.resp['ETag'] = 'eggs'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_if_none_match_and_same_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = self.resp['ETag'] = 'spam'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 304)
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def test_if_none_match_and_different_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
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self.resp['ETag'] = 'eggs'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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@override_settings(USE_ETAGS=True)
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def test_etag(self):
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req = HttpRequest()
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res = HttpResponse('content')
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self.assertTrue(
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CommonMiddleware().process_response(req, res).has_header('ETag'))
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@override_settings(USE_ETAGS=True)
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def test_etag_streaming_response(self):
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req = HttpRequest()
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res = StreamingHttpResponse(['content'])
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res['ETag'] = 'tomatoes'
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self.assertEqual(
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CommonMiddleware().process_response(req, res).get('ETag'),
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'tomatoes')
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@override_settings(USE_ETAGS=True)
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def test_no_etag_streaming_response(self):
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req = HttpRequest()
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res = StreamingHttpResponse(['content'])
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self.assertFalse(
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CommonMiddleware().process_response(req, res).has_header('ETag'))
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# Tests for the Last-Modified header
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|
|
|
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)
|
|
|
|
|
|
class XFrameOptionsMiddlewareTest(TestCase):
|
|
"""
|
|
Tests for the X-Frame-Options clickjacking prevention middleware.
|
|
"""
|
|
|
|
def test_same_origin(self):
|
|
"""
|
|
Tests that the X_FRAME_OPTIONS setting can be set to SAMEORIGIN to
|
|
have the middleware use that value for the HTTP header.
|
|
"""
|
|
with override_settings(X_FRAME_OPTIONS='SAMEORIGIN'):
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
with override_settings(X_FRAME_OPTIONS='sameorigin'):
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
def test_deny(self):
|
|
"""
|
|
Tests that the X_FRAME_OPTIONS setting can be set to DENY to
|
|
have the middleware use that value for the HTTP header.
|
|
"""
|
|
with override_settings(X_FRAME_OPTIONS='DENY'):
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'DENY')
|
|
|
|
with override_settings(X_FRAME_OPTIONS='deny'):
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'DENY')
|
|
|
|
def test_defaults_sameorigin(self):
|
|
"""
|
|
Tests that if the X_FRAME_OPTIONS setting is not set then it defaults
|
|
to SAMEORIGIN.
|
|
"""
|
|
with override_settings(X_FRAME_OPTIONS=None):
|
|
del settings.X_FRAME_OPTIONS # restored by override_settings
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
def test_dont_set_if_set(self):
|
|
"""
|
|
Tests that if the X-Frame-Options header is already set then the
|
|
middleware does not attempt to override it.
|
|
"""
|
|
with override_settings(X_FRAME_OPTIONS='DENY'):
|
|
response = HttpResponse()
|
|
response['X-Frame-Options'] = 'SAMEORIGIN'
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
with override_settings(X_FRAME_OPTIONS='SAMEORIGIN'):
|
|
response = HttpResponse()
|
|
response['X-Frame-Options'] = 'DENY'
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'DENY')
|
|
|
|
def test_response_exempt(self):
|
|
"""
|
|
Tests that if the response has a xframe_options_exempt attribute set
|
|
to False then it still sets the header, but if it's set to True then
|
|
it does not.
|
|
"""
|
|
with override_settings(X_FRAME_OPTIONS='SAMEORIGIN'):
|
|
response = HttpResponse()
|
|
response.xframe_options_exempt = False
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
response = HttpResponse()
|
|
response.xframe_options_exempt = True
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r.get('X-Frame-Options', None), None)
|
|
|
|
def test_is_extendable(self):
|
|
"""
|
|
Tests that the XFrameOptionsMiddleware method that determines the
|
|
X-Frame-Options header value can be overridden based on something in
|
|
the request or response.
|
|
"""
|
|
class OtherXFrameOptionsMiddleware(XFrameOptionsMiddleware):
|
|
# This is just an example for testing purposes...
|
|
def get_xframe_options_value(self, request, response):
|
|
if getattr(request, 'sameorigin', False):
|
|
return 'SAMEORIGIN'
|
|
if getattr(response, 'sameorigin', False):
|
|
return 'SAMEORIGIN'
|
|
return 'DENY'
|
|
|
|
with override_settings(X_FRAME_OPTIONS='DENY'):
|
|
response = HttpResponse()
|
|
response.sameorigin = True
|
|
r = OtherXFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
request = HttpRequest()
|
|
request.sameorigin = True
|
|
r = OtherXFrameOptionsMiddleware().process_response(request,
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
with override_settings(X_FRAME_OPTIONS='SAMEORIGIN'):
|
|
r = OtherXFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'DENY')
|
|
|
|
|
|
class GZipMiddlewareTest(TestCase):
|
|
"""
|
|
Tests the GZip middleware.
|
|
"""
|
|
short_string = b"This string is too short to be worth compressing."
|
|
compressible_string = b'a' * 500
|
|
uncompressible_string = b''.join(six.int2byte(random.randint(0, 255)) for _ in xrange(500))
|
|
sequence = [b'a' * 500, b'b' * 200, b'a' * 300]
|
|
|
|
def setUp(self):
|
|
self.req = HttpRequest()
|
|
self.req.META = {
|
|
'SERVER_NAME': 'testserver',
|
|
'SERVER_PORT': 80,
|
|
}
|
|
self.req.path = self.req.path_info = "/"
|
|
self.req.META['HTTP_ACCEPT_ENCODING'] = 'gzip, deflate'
|
|
self.req.META['HTTP_USER_AGENT'] = 'Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1'
|
|
self.resp = HttpResponse()
|
|
self.resp.status_code = 200
|
|
self.resp.content = self.compressible_string
|
|
self.resp['Content-Type'] = 'text/html; charset=UTF-8'
|
|
self.stream_resp = StreamingHttpResponse(self.sequence)
|
|
self.stream_resp['Content-Type'] = 'text/html; charset=UTF-8'
|
|
|
|
@staticmethod
|
|
def decompress(gzipped_string):
|
|
return gzip.GzipFile(mode='rb', fileobj=BytesIO(gzipped_string)).read()
|
|
|
|
def test_compress_response(self):
|
|
"""
|
|
Tests that compression is performed on responses with compressible content.
|
|
"""
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(self.decompress(r.content), self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'gzip')
|
|
self.assertEqual(r.get('Content-Length'), str(len(r.content)))
|
|
|
|
def test_compress_streaming_response(self):
|
|
"""
|
|
Tests that compression is performed on responses with streaming content.
|
|
"""
|
|
r = GZipMiddleware().process_response(self.req, self.stream_resp)
|
|
self.assertEqual(self.decompress(b''.join(r)), b''.join(self.sequence))
|
|
self.assertEqual(r.get('Content-Encoding'), 'gzip')
|
|
self.assertFalse(r.has_header('Content-Length'))
|
|
|
|
def test_compress_non_200_response(self):
|
|
"""
|
|
Tests that compression is performed on responses with a status other than 200.
|
|
See #10762.
|
|
"""
|
|
self.resp.status_code = 404
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(self.decompress(r.content), self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'gzip')
|
|
|
|
def test_no_compress_short_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses with short content.
|
|
"""
|
|
self.resp.content = self.short_string
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.short_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|
|
|
|
def test_no_compress_compressed_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses that are already compressed.
|
|
"""
|
|
self.resp['Content-Encoding'] = 'deflate'
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'deflate')
|
|
|
|
def test_no_compress_ie_js_requests(self):
|
|
"""
|
|
Tests that compression isn't performed on JavaScript requests from Internet Explorer.
|
|
"""
|
|
self.req.META['HTTP_USER_AGENT'] = 'Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)'
|
|
self.resp['Content-Type'] = 'application/javascript; charset=UTF-8'
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|
|
|
|
def test_no_compress_uncompressible_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses with uncompressible content.
|
|
"""
|
|
self.resp.content = self.uncompressible_string
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.uncompressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|
|
|
|
|
|
@override_settings(USE_ETAGS=True)
|
|
class ETagGZipMiddlewareTest(TestCase):
|
|
"""
|
|
Tests if the ETag middleware behaves correctly with GZip middleware.
|
|
"""
|
|
compressible_string = b'a' * 500
|
|
|
|
def setUp(self):
|
|
self.rf = RequestFactory()
|
|
|
|
def test_compress_response(self):
|
|
"""
|
|
Tests that ETag is changed after gzip compression is performed.
|
|
"""
|
|
request = self.rf.get('/', HTTP_ACCEPT_ENCODING='gzip, deflate')
|
|
response = GZipMiddleware().process_response(request,
|
|
CommonMiddleware().process_response(request,
|
|
HttpResponse(self.compressible_string)))
|
|
gzip_etag = response.get('ETag')
|
|
|
|
request = self.rf.get('/', HTTP_ACCEPT_ENCODING='')
|
|
response = GZipMiddleware().process_response(request,
|
|
CommonMiddleware().process_response(request,
|
|
HttpResponse(self.compressible_string)))
|
|
nogzip_etag = response.get('ETag')
|
|
|
|
self.assertNotEqual(gzip_etag, nogzip_etag)
|
|
|
|
|
|
class TransactionMiddlewareTest(IgnoreDeprecationWarningsMixin, TransactionTestCase):
|
|
"""
|
|
Test the transaction middleware.
|
|
"""
|
|
|
|
available_apps = ['middleware']
|
|
|
|
def setUp(self):
|
|
super(TransactionMiddlewareTest, self).setUp()
|
|
self.request = HttpRequest()
|
|
self.request.META = {
|
|
'SERVER_NAME': 'testserver',
|
|
'SERVER_PORT': 80,
|
|
}
|
|
self.request.path = self.request.path_info = "/"
|
|
self.response = HttpResponse()
|
|
self.response.status_code = 200
|
|
|
|
def tearDown(self):
|
|
transaction.abort()
|
|
super(TransactionMiddlewareTest, self).tearDown()
|
|
|
|
def test_request(self):
|
|
TransactionMiddleware().process_request(self.request)
|
|
self.assertFalse(transaction.get_autocommit())
|
|
|
|
def test_managed_response(self):
|
|
transaction.enter_transaction_management()
|
|
Band.objects.create(name='The Beatles')
|
|
self.assertTrue(transaction.is_dirty())
|
|
TransactionMiddleware().process_response(self.request, self.response)
|
|
self.assertFalse(transaction.is_dirty())
|
|
self.assertEqual(Band.objects.count(), 1)
|
|
|
|
def test_exception(self):
|
|
transaction.enter_transaction_management()
|
|
Band.objects.create(name='The Beatles')
|
|
self.assertTrue(transaction.is_dirty())
|
|
TransactionMiddleware().process_exception(self.request, None)
|
|
self.assertFalse(transaction.is_dirty())
|
|
self.assertEqual(Band.objects.count(), 0)
|
|
|
|
def test_failing_commit(self):
|
|
# It is possible that connection.commit() fails. Check that
|
|
# TransactionMiddleware handles such cases correctly.
|
|
try:
|
|
def raise_exception():
|
|
raise IntegrityError()
|
|
connections[DEFAULT_DB_ALIAS].commit = raise_exception
|
|
transaction.enter_transaction_management()
|
|
Band.objects.create(name='The Beatles')
|
|
self.assertTrue(transaction.is_dirty())
|
|
with self.assertRaises(IntegrityError):
|
|
TransactionMiddleware().process_response(self.request, None)
|
|
self.assertFalse(transaction.is_dirty())
|
|
self.assertEqual(Band.objects.count(), 0)
|
|
self.assertFalse(transaction.is_managed())
|
|
finally:
|
|
del connections[DEFAULT_DB_ALIAS].commit
|