Refs #24121 -- Added repr() to LazySettings, Settings, and UserSettingsHolder.

tests/settings_tests/tests.py

@@ -4,7 +4,7 @@ import unittest
 import warnings
 from types import ModuleType
 
-from django.conf import LazySettings, Settings, settings
+from django.conf import ENVIRONMENT_VARIABLE, LazySettings, Settings, settings
 from django.core.exceptions import ImproperlyConfigured
 from django.http import HttpRequest
 from django.test import (
@@ -442,6 +442,31 @@ class IsOverriddenTest(SimpleTestCase):
         with override_settings(ALLOWED_HOSTS=[]):
             self.assertTrue(settings.is_overridden('ALLOWED_HOSTS'))
 
+    def test_unevaluated_lazysettings_repr(self):
+        lazy_settings = LazySettings()
+        expected = '<LazySettings [Unevaluated]>'
+        self.assertEqual(repr(lazy_settings), expected)
+
+    def test_evaluated_lazysettings_repr(self):
+        lazy_settings = LazySettings()
+        module = os.environ.get(ENVIRONMENT_VARIABLE)
+        expected = '<LazySettings "%s">' % module
+        # Force evaluation of the lazy object.
+        lazy_settings.APPEND_SLASH
+        self.assertEqual(repr(lazy_settings), expected)
+
+    def test_usersettingsholder_repr(self):
+        lazy_settings = LazySettings()
+        lazy_settings.configure(APPEND_SLASH=False)
+        expected = '<UserSettingsHolder>'
+        self.assertEqual(repr(lazy_settings._wrapped), expected)
+
+    def test_settings_repr(self):
+        module = os.environ.get(ENVIRONMENT_VARIABLE)
+        lazy_settings = Settings(module)
+        expected = '<Settings "%s">' % module
+        self.assertEqual(repr(lazy_settings), expected)
+
 
 class TestListSettings(unittest.TestCase):
     """