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 +++++++++++++++++++++++++
 3 files changed, 47 insertions(+)

(limited to 'tests/admin_views')

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):
-- 
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