Fixed #30468 -- Fixed assertHTMLEqual() to handle all ASCII whitespace in a class attribute.

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/test_utils/tests.py b/tests/test_utils/tests.py
index c14746f344..2697590b77 100644
--- a/tests/test_utils/tests.py
+++ b/tests/test_utils/tests.py
@@ -613,6 +613,20 @@ class HTMLEqualTests(SimpleTestCase):
             '<input type="text" id="id_name" />',
             '<input type="password" id="id_name" />')
 
+    def test_class_attribute(self):
+        pairs = [
+            ('<p class="foo bar"></p>', '<p class="bar foo"></p>'),
+            ('<p class=" foo bar "></p>', '<p class="bar foo"></p>'),
+            ('<p class="   foo    bar    "></p>', '<p class="bar foo"></p>'),
+            ('<p class="foo\tbar"></p>', '<p class="bar foo"></p>'),
+            ('<p class="\tfoo\tbar\t"></p>', '<p class="bar foo"></p>'),
+            ('<p class="\t\t\tfoo\t\t\tbar\t\t\t"></p>', '<p class="bar foo"></p>'),
+            ('<p class="\t \nfoo \t\nbar\n\t "></p>', '<p class="bar foo"></p>'),
+        ]
+        for html1, html2 in pairs:
+            with self.subTest(html1):
+                self.assertHTMLEqual(html1, html2)
+
     def test_normalize_refs(self):
         pairs = [
             ('&#39;', '&#x27;'),