Merge pull request #959 from cisagov/rjm/957-checkbox-accessibility

957 - Fix accessible checkboxes in django admin

src/registrar/templates/admin/change_list_results.html

@@ -17,7 +17,7 @@ Load our custom filters to extract info from the django generated markup.
 <thead>
 <tr>
 
-{% if results.0.form %}
+{% if results.0|contains_checkbox %}
     {# .gov - hardcode the select all checkbox #}
     <th scope="col" class="action-checkbox-column" title="Toggle all">
         <div class="text">

src/registrar/templatetags/custom_filters.py

@@ -40,3 +40,11 @@ def slice_after(value, substring):
         result = value[index + len(substring) :]
         return result
     return value
+
+
+@register.filter
+def contains_checkbox(html_list):
+    for html_string in html_list:
+        if re.search(r'<input[^>]*type="checkbox"', html_string):
+            return True
+    return False

src/registrar/tests/test_templatetags.py

@@ -8,6 +8,7 @@ from registrar.templatetags.custom_filters import (
     extract_a_text,
     find_index,
     slice_after,
+    contains_checkbox,
 )
 
 
@@ -83,3 +84,21 @@ class CustomFiltersTestCase(TestCase):
         self.assertEqual(
             result, value
         )  # Should return the original value if substring not found
+
+    def test_contains_checkbox_with_checkbox(self):
+        # Test the filter when HTML list contains a checkbox
+        html_list = [
+            '<input type="checkbox" name="_selected_action">',
+            "<div>Some other HTML content</div>",
+        ]
+        result = contains_checkbox(html_list)
+        self.assertTrue(result)  # Expecting True
+
+    def test_contains_checkbox_without_checkbox(self):
+        # Test the filter when HTML list does not contain a checkbox
+        html_list = [
+            "<div>Some HTML content without checkbox</div>",
+            "<p>More HTML content</p>",
+        ]
+        result = contains_checkbox(html_list)
+        self.assertFalse(result)  # Expecting False