Fixed #3228 -- Added new APPEND_SLASH handling behaviour in the common middleware. Makes customisation a bit easier. Thanks, Mihai Preda and Andy Gayton.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6852 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/middleware/tests.py

@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+
+import unittest
+
+from django.test import TestCase 
+from django.http import HttpRequest
+from django.middleware.common import CommonMiddleware
+from django.conf import settings
+
+class CommonMiddlewareTest(TestCase):
+    def _get_request(self, path):
+        request = HttpRequest()
+        request.META = {
+            'SERVER_NAME': 'testserver',
+            'SERVER_PORT': 80,
+        }
+        request.path = "/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))
+
+    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/')
+