Added tests for CsrfMiddleware.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9551 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2008-12-02 22:40:00 +00:00 · 2008-12-02 22:40:00 +00:00 · f7242bb778
parent 5ef0c03ae9
commit f7242bb778
2 changed files with 65 additions and 0 deletions
--- a/django/contrib/csrf/models.py
+++ b/django/contrib/csrf/models.py
@ -0,0 +1 @@
+# models.py file for tests to run.
--- a/django/contrib/csrf/tests.py
+++ b/django/contrib/csrf/tests.py
@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+
+from django.test import TestCase
+from django.http import HttpRequest, HttpResponse
+from django.contrib.csrf.middleware import CsrfMiddleware, _make_token
+from django.conf import settings
+
+class CsrfMiddlewareTest(TestCase):
+
+    _session_id = "1"
+
+    def _get_no_session_request(self):
+        return HttpRequest()
+
+    def _get_session_request(self):
+        req = self._get_no_session_request()
+        req.COOKIES[settings.SESSION_COOKIE_NAME] = self._session_id
+        return req
+
+    def _get_post_form_response(self):
+        resp = HttpResponse(content="""
+<html><body><form method="POST"><input type="text" /></form></body></html>
+""", mimetype="text/html")
+        return resp
+
+    def _get_new_session_response(self):
+        resp = self._get_post_form_response()
+        resp.cookies[settings.SESSION_COOKIE_NAME] = self._session_id
+        return resp
+
+    def _check_token_present(self, response):
+        self.assertContains(response, "name='csrfmiddlewaretoken' value='%s'" % _make_token(self._session_id))
+
+    def test_process_response_no_session(self):
+        """
+        Check the the post-processor does nothing if no session active
+        """
+        req = self._get_no_session_request()
+        resp = self._get_post_form_response()
+        resp_content = resp.content
+        resp2 = CsrfMiddleware().process_response(req, resp)
+        self.assertEquals(resp_content, resp2.content)
+
+    def test_process_response_existing_session(self):
+        """
+        Check that the token is inserted if there is an existing session
+        """
+        req = self._get_session_request()
+        resp = self._get_post_form_response()
+        resp_content = resp.content
+        resp2 = CsrfMiddleware().process_response(req, resp)
+        self.assertNotEqual(resp_content, resp2.content)
+        self._check_token_present(resp2)
+
+    def test_process_response_new_session(self):
+        """
+        Check that the token is inserted if there is a new session being started
+        """
+        req = self._get_no_session_request() # no session in request
+        resp = self._get_new_session_response() # but new session started
+        resp_content = resp.content
+        resp2 = CsrfMiddleware().process_response(req, resp)
+        self.assertNotEqual(resp_content, resp2.content)
+        self._check_token_present(resp2)