Fixed #27398 -- Added an assertion to compare URLs, ignoring the order of their query strings.

docs/releases/2.2.txt

@@ -183,7 +183,9 @@ Templates
 Tests
 ~~~~~
 
-* ...
+* The new :meth:`.SimpleTestCase.assertURLEqual` assertion checks for a given
+  URL, ignoring the ordering of the query string.
+  :meth:`~.SimpleTestCase.assertRedirects` uses the new assertion.
 
 URLs
 ~~~~

docs/topics/testing/tools.txt

@@ -700,6 +700,7 @@ A subclass of :class:`unittest.TestCase` that adds this functionality:
     <SimpleTestCase.assertContains>`.
   * Verifying that a template :meth:`has/hasn't been used to generate a given
     response content <SimpleTestCase.assertTemplateUsed>`.
+  * Verifying that two :meth:`URLs <SimpleTestCase.assertURLEqual>` are equal.
   * Verifying a HTTP :meth:`redirect <SimpleTestCase.assertRedirects>` is
     performed by the app.
   * Robustly testing two :meth:`HTML fragments <SimpleTestCase.assertHTMLEqual>`
@@ -1477,6 +1478,15 @@ your test suite.
     You can use this as a context manager in the same way as
     :meth:`~SimpleTestCase.assertTemplateUsed`.
 
+.. method:: SimpleTestCase.assertURLEqual(url1, url2, msg_prefix='')
+
+    .. versionadded:: 2.2
+
+    Asserts that two URLs are the same, ignoring the order of query string
+    parameters except for parameters with the same name. For example,
+    ``/path/?x=1&y=2`` is equal to ``/path/?y=2&x=1``, but
+    ``/path/?a=1&a=2`` isn't equal to ``/path/?a=2&a=1``.
+
 .. method:: SimpleTestCase.assertRedirects(response, expected_url, status_code=302, target_status_code=200, msg_prefix='', fetch_redirect_response=True)
 
     Asserts that the response returned a ``status_code`` redirect status,