From 4187da258fe212d494cb578a0bc2b52c4979ab95 Mon Sep 17 00:00:00 2001
From: antoliny0919 <antoliny0919@gmail.com>
Date: Mon, 28 Jul 2025 07:59:26 +0900
Subject: Fixed #35892 -- Supported Widget.use_fieldset in admin forms.

---
 tests/admin_views/admin.py                         |  6 ++++
 tests/admin_views/models.py                        | 16 +++++++++
 tests/admin_views/tests.py                         | 25 ++++++++++++++
 tests/admin_widgets/tests.py                       | 40 ++++++++++++++--------
 tests/auth_tests/test_views.py                     |  6 ++++
 .../widget_tests/test_clearablefileinput.py        | 15 ++++----
 6 files changed, 87 insertions(+), 21 deletions(-)

(limited to 'tests')

diff --git a/tests/admin_views/admin.py b/tests/admin_views/admin.py
index b6d009b388..69570a8062 100644
--- a/tests/admin_views/admin.py
+++ b/tests/admin_views/admin.py
@@ -47,6 +47,7 @@ from .models import (
     Color2,
     ComplexSortedPerson,
     Country,
+    Course,
     CoverLetter,
     CustomArticle,
     CyclicOne,
@@ -1190,6 +1191,10 @@ class CamelCaseAdmin(admin.ModelAdmin):
     filter_horizontal = ["m2m"]
 
 
+class CourseAdmin(admin.ModelAdmin):
+    radio_fields = {"difficulty": admin.VERTICAL}
+
+
 site = admin.AdminSite(name="admin")
 site.site_url = "/my-site-url/"
 site.register(Article, ArticleAdmin)
@@ -1280,6 +1285,7 @@ site.register(ChapterXtra1, ChapterXtra1Admin)
 site.register(Pizza, PizzaAdmin)
 site.register(ReadOnlyPizza, ReadOnlyPizzaAdmin)
 site.register(ReadablePizza)
+site.register(Course, CourseAdmin)
 site.register(Topping, ToppingAdmin)
 site.register(Album, AlbumAdmin)
 site.register(Song)
diff --git a/tests/admin_views/models.py b/tests/admin_views/models.py
index 8f102dece3..4e2d13efa8 100644
--- a/tests/admin_views/models.py
+++ b/tests/admin_views/models.py
@@ -623,6 +623,22 @@ class CyclicTwo(models.Model):
         return self.name
 
 
+class Course(models.Model):
+    DIFFICULTY_CHOICES = [
+        ("beginner", "Beginner Class"),
+        ("intermediate", "Intermediate Class"),
+        ("advanced", "Advanced Class"),
+    ]
+
+    title = models.CharField(max_length=100)
+    materials = models.FileField(upload_to="test_upload")
+    difficulty = models.CharField(
+        max_length=20, choices=DIFFICULTY_CHOICES, null=True, blank=True
+    )
+    categories = models.ManyToManyField(Category, blank=True)
+    start_datetime = models.DateTimeField(null=True, blank=True)
+
+
 class Topping(models.Model):
     name = models.CharField(max_length=20)
 
diff --git a/tests/admin_views/tests.py b/tests/admin_views/tests.py
index 26fdacfa00..db638c1ea8 100644
--- a/tests/admin_views/tests.py
+++ b/tests/admin_views/tests.py
@@ -70,6 +70,7 @@ from .models import (
     Color,
     ComplexSortedPerson,
     Country,
+    Course,
     CoverLetter,
     CustomArticle,
     CyclicOne,
@@ -6908,6 +6909,30 @@ class SeleniumTests(AdminSeleniumTestCase):
         name_input_value = name_input.get_attribute("value")
         self.assertEqual(name_input_value, "Test section 1")
 
+    def test_use_fieldset_fields_render(self):
+        from selenium.webdriver.common.by import By
+
+        self.admin_login(
+            username="super", password="secret", login_url=reverse("admin:index")
+        )
+        course = Course.objects.create(
+            title="Django Class", materials="django_documents"
+        )
+        expected_legend_tags_text = [
+            "Materials:",
+            "Difficulty:",
+            "Categories:",
+            "Start datetime:",
+        ]
+        url = reverse("admin:admin_views_course_change", args=(course.pk,))
+        self.selenium.get(self.live_server_url + url)
+        fieldsets = self.selenium.find_elements(
+            By.CSS_SELECTOR, "fieldset.aligned fieldset"
+        )
+        for index, fieldset in enumerate(fieldsets):
+            legend = fieldset.find_element(By.TAG_NAME, "legend")
+            self.assertEqual(legend.text, expected_legend_tags_text[index])
+
     @screenshot_cases(["desktop_size", "mobile_size", "rtl", "dark", "high_contrast"])
     @override_settings(MESSAGE_LEVEL=10)
     def test_messages(self):
diff --git a/tests/admin_widgets/tests.py b/tests/admin_widgets/tests.py
index c47e0e3ec1..9a5c846bdd 100644
--- a/tests/admin_widgets/tests.py
+++ b/tests/admin_widgets/tests.py
@@ -399,7 +399,8 @@ class AdminDateWidgetTest(SimpleTestCase):
         self.assertHTMLEqual(
             w.render("test", datetime(2007, 12, 1, 9, 30)),
             '<p class="date">'
-            '<input value="2007-12-01" type="text" class="vDateField" name="test" '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="2007-12-01" type="text" class="vDateField" name="test" '
             'size="10"></p>',
         )
         # pass attrs to widget
@@ -407,7 +408,8 @@ class AdminDateWidgetTest(SimpleTestCase):
         self.assertHTMLEqual(
             w.render("test", datetime(2007, 12, 1, 9, 30)),
             '<p class="date">'
-            '<input value="2007-12-01" type="text" class="myDateField" name="test" '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="2007-12-01" type="text" class="myDateField" name="test" '
             'size="20"></p>',
         )
 
@@ -418,7 +420,8 @@ class AdminTimeWidgetTest(SimpleTestCase):
         self.assertHTMLEqual(
             w.render("test", datetime(2007, 12, 1, 9, 30)),
             '<p class="time">'
-            '<input value="09:30:00" type="text" class="vTimeField" name="test" '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="09:30:00" type="text" class="vTimeField" name="test" '
             'size="8"></p>',
         )
         # pass attrs to widget
@@ -426,7 +429,8 @@ class AdminTimeWidgetTest(SimpleTestCase):
         self.assertHTMLEqual(
             w.render("test", datetime(2007, 12, 1, 9, 30)),
             '<p class="time">'
-            '<input value="09:30:00" type="text" class="myTimeField" name="test" '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="09:30:00" type="text" class="myTimeField" name="test" '
             'size="20"></p>',
         )
 
@@ -435,12 +439,16 @@ class AdminSplitDateTimeWidgetTest(SimpleTestCase):
     def test_render(self):
         w = widgets.AdminSplitDateTime()
         self.assertHTMLEqual(
-            w.render("test", datetime(2007, 12, 1, 9, 30)),
+            w.render("test", datetime(2007, 12, 1, 9, 30), attrs={"id": "id_test"}),
             '<p class="datetime">'
-            'Date: <input value="2007-12-01" type="text" class="vDateField" '
-            'name="test_0" size="10"><br>'
-            'Time: <input value="09:30:00" type="text" class="vTimeField" '
-            'name="test_1" size="8"></p>',
+            '<label for="id_test_0">Date:</label> '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="2007-12-01" type="text" class="vDateField" '
+            'name="test_0" size="10" id="id_test_0"><br>'
+            '<label for="id_test_1">Time:</label> '
+            '<input aria-describedby="id_test_timezone_warning_helptext" '
+            'value="09:30:00" type="text" class="vTimeField" '
+            'name="test_1" size="8" id="id_test_1"></p>',
         )
 
     def test_localization(self):
@@ -449,12 +457,16 @@ class AdminSplitDateTimeWidgetTest(SimpleTestCase):
         with translation.override("de-at"):
             w.is_localized = True
             self.assertHTMLEqual(
-                w.render("test", datetime(2007, 12, 1, 9, 30)),
+                w.render("test", datetime(2007, 12, 1, 9, 30), attrs={"id": "id_test"}),
                 '<p class="datetime">'
-                'Datum: <input value="01.12.2007" type="text" '
-                'class="vDateField" name="test_0"size="10"><br>'
-                'Zeit: <input value="09:30:00" type="text" class="vTimeField" '
-                'name="test_1" size="8"></p>',
+                '<label for="id_test_0">Datum:</label> '
+                '<input aria-describedby="id_test_timezone_warning_helptext" '
+                'value="01.12.2007" type="text" '
+                'class="vDateField" name="test_0" size="10" id="id_test_0"><br>'
+                '<label for="id_test_1">Zeit:</label> '
+                '<input aria-describedby="id_test_timezone_warning_helptext" '
+                'value="09:30:00" type="text" class="vTimeField" '
+                'name="test_1" size="8" id="id_test_1"></p>',
             )
 
 
diff --git a/tests/auth_tests/test_views.py b/tests/auth_tests/test_views.py
index 0a4f7d28c8..23dc858ddd 100644
--- a/tests/auth_tests/test_views.py
+++ b/tests/auth_tests/test_views.py
@@ -1550,6 +1550,12 @@ class ChangelistTests(MessagesTestMixin, AuthViewsTestCase):
         self.assertContains(
             response, f"{self.admin.username}</a>\n&rsaquo; Change password"
         )
+        # Usable password field.
+        self.assertContains(
+            response,
+            '<fieldset class="flex-container">'
+            "<legend>Password-based authentication:</legend>",
+        )
         # Submit buttons
         self.assertContains(response, '<input type="submit" name="set-password"')
         self.assertContains(response, '<input type="submit" name="unset-password"')
diff --git a/tests/forms_tests/widget_tests/test_clearablefileinput.py b/tests/forms_tests/widget_tests/test_clearablefileinput.py
index ae54cc4b5d..8d3bff4b45 100644
--- a/tests/forms_tests/widget_tests/test_clearablefileinput.py
+++ b/tests/forms_tests/widget_tests/test_clearablefileinput.py
@@ -246,18 +246,19 @@ class ClearableFileInputTest(WidgetTest):
             )
 
         form = TestForm()
-        self.assertIs(self.widget.use_fieldset, False)
+        self.assertIs(self.widget.use_fieldset, True)
         self.assertHTMLEqual(
-            '<div><label for="id_field">Field:</label>'
-            '<input id="id_field" name="field" type="file" required></div>'
-            '<div><label for="id_with_file">With file:</label>Currently: '
+            '<div><fieldset><legend for="id_field">Field:</legend>'
+            '<input id="id_field" name="field" type="file" required></fieldset></div>'
+            '<div><fieldset><legend for="id_with_file">With file:</legend>Currently: '
             '<a href="something">something</a><br>Change:<input type="file" '
-            'name="with_file" id="id_with_file"></div>'
-            '<div><label for="id_clearable_file">Clearable file:</label>'
+            'name="with_file" id="id_with_file"></fieldset></div>'
+            '<div><fieldset><legend for="id_clearable_file">Clearable file:</legend>'
             'Currently: <a href="something">something</a><input '
             'type="checkbox" name="clearable_file-clear" id="clearable_file-clear_id">'
             '<label for="clearable_file-clear_id">Clear</label><br>Change:'
-            '<input type="file" name="clearable_file" id="id_clearable_file"></div>',
+            '<input type="file" name="clearable_file" id="id_clearable_file">'
+            "</fieldset></div>",
             form.render(),
         )
 
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