# -*- 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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals( 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.assertEquals(r.status_code, 301) self.assertEquals( 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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals( 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.assertEquals(r.status_code, 301) self.assertEquals( 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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(r.status_code, 301) self.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(self.resp.status_code, 200)