From 966ecdd482167f3f6b08b00f484936c837751cb9 Mon Sep 17 00:00:00 2001
From: Gregor Jerše <gregor.jerse@genialis.com>
Date: Thu, 1 Jun 2023 16:44:57 +0200
Subject: Fixed #32819 -- Established relationship between form fields and
 their help text.

Thanks Nimra for the initial patch.

Thanks Natalia Bidart, Thibaud Colas, David Smith, and Mariusz Felisiak
for reviews.
---
 tests/forms_tests/tests/test_forms.py | 70 ++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 2 deletions(-)

(limited to 'tests/forms_tests')

diff --git a/tests/forms_tests/tests/test_forms.py b/tests/forms_tests/tests/test_forms.py
index c283ab20ef..99a38eedcb 100644
--- a/tests/forms_tests/tests/test_forms.py
+++ b/tests/forms_tests/tests/test_forms.py
@@ -3016,6 +3016,72 @@ Options: <select multiple name="options" required>
             "</td></tr>",
         )
 
+    def test_widget_attrs_custom_aria_describedby(self):
+        # aria-describedby provided to the widget overrides the default.
+
+        class UserRegistration(Form):
+            username = CharField(
+                max_length=255,
+                help_text="e.g., user@example.com",
+                widget=TextInput(attrs={"aria-describedby": "custom-description"}),
+            )
+            password = CharField(
+                widget=PasswordInput, help_text="Wählen Sie mit Bedacht."
+            )
+
+        p = UserRegistration()
+        self.assertHTMLEqual(
+            p.as_div(),
+            '<div><label for="id_username">Username:</label>'
+            '<div class="helptext" id="id_username_helptext">e.g., user@example.com'
+            '</div><input type="text" name="username" maxlength="255" required '
+            'aria-describedby="custom-description" id="id_username">'
+            "</div><div>"
+            '<label for="id_password">Password:</label>'
+            '<div class="helptext" id="id_password_helptext">Wählen Sie mit Bedacht.'
+            '</div><input type="password" name="password" required '
+            'aria-describedby="id_password_helptext" id="id_password"></div>',
+        )
+        self.assertHTMLEqual(
+            p.as_ul(),
+            '<li><label for="id_username">Username:</label><input type="text" '
+            'name="username" maxlength="255" required '
+            'aria-describedby="custom-description" id="id_username">'
+            '<span class="helptext" id="id_username_helptext">e.g., user@example.com'
+            "</span></li><li>"
+            '<label for="id_password">Password:</label>'
+            '<input type="password" name="password" required '
+            'aria-describedby="id_password_helptext" id="id_password">'
+            '<span class="helptext" id="id_password_helptext">Wählen Sie mit Bedacht.'
+            "</span></li>",
+        )
+        self.assertHTMLEqual(
+            p.as_p(),
+            '<p><label for="id_username">Username:</label><input type="text" '
+            'name="username" maxlength="255" required '
+            'aria-describedby="custom-description" id="id_username">'
+            '<span class="helptext" id="id_username_helptext">e.g., user@example.com'
+            "</span></p><p>"
+            '<label for="id_password">Password:</label>'
+            '<input type="password" name="password" required '
+            'aria-describedby="id_password_helptext" id="id_password">'
+            '<span class="helptext" id="id_password_helptext">Wählen Sie mit Bedacht.'
+            "</span></p>",
+        )
+        self.assertHTMLEqual(
+            p.as_table(),
+            '<tr><th><label for="id_username">Username:</label></th><td>'
+            '<input type="text" name="username" maxlength="255" required '
+            'aria-describedby="custom-description" id="id_username"><br>'
+            '<span class="helptext" id="id_username_helptext">e.g., user@example.com'
+            "</span></td></tr><tr><th>"
+            '<label for="id_password">Password:</label></th><td>'
+            '<input type="password" name="password" required '
+            'aria-describedby="id_password_helptext" id="id_password"><br>'
+            '<span class="helptext" id="id_password_helptext">Wählen Sie mit Bedacht.'
+            "</span></td></tr>",
+        )
+
     def test_subclassing_forms(self):
         # You can subclass a Form to add fields. The resulting form subclass will have
         # all of the fields of the parent Form, plus whichever fields you define in the
@@ -4796,7 +4862,7 @@ class TemplateTests(SimpleTestCase):
             "<form>"
             '<p><label for="id_username">Username:</label>'
             '<input id="id_username" type="text" name="username" maxlength="10" '
-            "required></p>"
+            'aria-describedby="id_username_helptext" required></p>'
             '<p><label for="id_password1">Password1:</label>'
             '<input type="password" name="password1" id="id_password1" required></p>'
             '<p><label for="id_password2">Password2:</label>'
@@ -4833,7 +4899,7 @@ class TemplateTests(SimpleTestCase):
             "<form>"
             '<p><legend for="id_username">Username:</legend>'
             '<input id="id_username" type="text" name="username" maxlength="10" '
-            "required></p>"
+            'aria-describedby="id_username_helptext" required></p>'
             '<p><legend for="id_password1">Password1:</legend>'
             '<input type="password" name="password1" id="id_password1" required></p>'
             '<p><legend for="id_password2">Password2:</legend>'
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