Refs #27953 -- Removed hardcoded uses of Model.__str__() in tests.

tests/admin_changelist/tests.py

@@ -186,7 +186,7 @@ class ChangeListTests(TestCase):
         link = reverse('admin:admin_changelist_child_change', args=(new_child.id,))
         row_html = (
             '<tbody><tr class="row1"><th class="field-name"><a href="%s">name</a></th>'
-            '<td class="field-parent nowrap">Parent object</td></tr></tbody>' % link
+            '<td class="field-parent nowrap">%s</td></tr></tbody>' % (link, new_parent)
         )
         self.assertNotEqual(table_output.find(row_html), -1, 'Failed to find expected row element: %s' % table_output)
 

tests/admin_utils/models.py

@@ -18,6 +18,9 @@ class Article(models.Model):
     hist = models.CharField(max_length=100, verbose_name=_("History"))
     created = models.DateTimeField(null=True)
 
+    def __str__(self):
+        return self.title
+
     def test_from_model(self):
         return "nothing"
 

tests/admin_utils/test_logentry.py

@@ -120,23 +120,23 @@ class LogEntryTests(TestCase):
             json.loads(logentry.change_message),
             [
                 {"changed": {"fields": ["domain"]}},
-                {"added": {"object": "Article object", "name": "article"}},
-                {"changed": {"fields": ["title"], "object": "Article object", "name": "article"}},
-                {"deleted": {"object": "Article object", "name": "article"}},
+                {"added": {"object": "Added article", "name": "article"}},
+                {"changed": {"fields": ["title"], "object": "Changed Title", "name": "article"}},
+                {"deleted": {"object": "Title second article", "name": "article"}},
             ]
         )
         self.assertEqual(
             logentry.get_change_message(),
-            'Changed domain. Added article "Article object". '
-            'Changed title for article "Article object". Deleted article "Article object".'
+            'Changed domain. Added article "Added article". '
+            'Changed title for article "Changed Title". Deleted article "Title second article".'
         )
 
         with translation.override('fr'):
             self.assertEqual(
                 logentry.get_change_message(),
-                "Modification de domain. Ajout de article « Article object ». "
-                "Modification de title pour l'objet article « Article object ». "
-                "Suppression de article « Article object »."
+                "Modification de domain. Ajout de article « Added article ». "
+                "Modification de title pour l'objet article « Changed Title ». "
+                "Suppression de article « Title second article »."
             )
 
     def test_logentry_get_edited_object(self):

tests/admin_views/tests.py

@@ -891,11 +891,11 @@ class AdminViewBasicTest(AdminViewBasicTestCase):
         ModelAdmin.changelist_view shouldn't result in a NoReverseMatch if url
         for change_view is removed from get_urls (#20934).
         """
-        UnchangeableObject.objects.create()
+        o = UnchangeableObject.objects.create()
         response = self.client.get(reverse('admin:admin_views_unchangeableobject_changelist'))
         self.assertEqual(response.status_code, 200)
         # Check the format of the shown object -- shouldn't contain a change link
-        self.assertContains(response, '<th class="field-__str__">UnchangeableObject object</th>', html=True)
+        self.assertContains(response, '<th class="field-__str__">%s</th>' % o, html=True)
 
     def test_invalid_appindex_url(self):
         """
@@ -3306,7 +3306,7 @@ class AdminActionsTest(TestCase):
         # No 500 caused by NoReverseMatch
         self.assertEqual(response.status_code, 200)
         # The page shouldn't display a link to the nonexistent change page
-        self.assertContains(response, "<li>Unchangeable object: UnchangeableObject object</li>", 1, html=True)
+        self.assertContains(response, "<li>Unchangeable object: %s</li>" % obj, 1, html=True)
 
     def test_custom_function_mail_action(self):
         "Tests a custom action defined in a function"
@@ -3692,12 +3692,12 @@ class AdminCustomQuerysetTest(TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(ShortMessage.objects.count(), 1)
         # Message should contain non-ugly model verbose name
-        pk = ShortMessage.objects.all()[0].pk
+        sm = ShortMessage.objects.all()[0]
         self.assertContains(
             response,
             '<li class="success">The short message "<a href="%s">'
-            'ShortMessage object</a>" was added successfully.</li>' %
-            reverse('admin:admin_views_shortmessage_change', args=(pk,)), html=True
+            '%s</a>" was added successfully.</li>' %
+            (reverse('admin:admin_views_shortmessage_change', args=(sm.pk,)), sm), html=True
         )
 
     def test_add_model_modeladmin_only_qs(self):
@@ -3733,12 +3733,12 @@ class AdminCustomQuerysetTest(TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(Paper.objects.count(), 1)
         # Message should contain non-ugly model verbose name
-        pk = Paper.objects.all()[0].pk
+        p = Paper.objects.all()[0]
         self.assertContains(
             response,
             '<li class="success">The paper "<a href="%s">'
-            'Paper object</a>" was added successfully.</li>' %
-            reverse('admin:admin_views_paper_change', args=(pk,)), html=True
+            '%s</a>" was added successfully.</li>' %
+            (reverse('admin:admin_views_paper_change', args=(p.pk,)), p), html=True
         )
 
     def test_edit_model_modeladmin_defer_qs(self):
@@ -3786,8 +3786,8 @@ class AdminCustomQuerysetTest(TestCase):
         self.assertContains(
             response,
             '<li class="success">The short message "<a href="%s">'
-            'ShortMessage object</a>" was changed successfully.</li>' %
-            reverse('admin:admin_views_shortmessage_change', args=(sm.pk,)), html=True
+            '%s</a>" was changed successfully.</li>' %
+            (reverse('admin:admin_views_shortmessage_change', args=(sm.pk,)), sm), html=True
         )
 
     def test_edit_model_modeladmin_only_qs(self):
@@ -3833,8 +3833,8 @@ class AdminCustomQuerysetTest(TestCase):
         self.assertContains(
             response,
             '<li class="success">The paper "<a href="%s">'
-            'Paper object</a>" was changed successfully.</li>' %
-            reverse('admin:admin_views_paper_change', args=(p.pk,)), html=True
+            '%s</a>" was changed successfully.</li>' %
+            (reverse('admin:admin_views_paper_change', args=(p.pk,)), p), html=True
         )
 
     def test_history_view_custom_qs(self):

tests/admin_widgets/tests.py

@@ -520,8 +520,8 @@ class ForeignKeyRawIdWidgetTest(TestCase):
         self.assertHTMLEqual(
             w.render('honeycomb_widget', big_honeycomb.pk, attrs={}),
             '<input type="text" name="honeycomb_widget" value="%(hcombpk)s" />'
-            '&nbsp;<strong>Honeycomb object</strong>'
-            % {'hcombpk': big_honeycomb.pk}
+            '&nbsp;<strong>%(hcomb)s</strong>'
+            % {'hcombpk': big_honeycomb.pk, 'hcomb': big_honeycomb}
         )
 
     def test_fk_to_self_model_not_in_admin(self):
@@ -535,8 +535,8 @@ class ForeignKeyRawIdWidgetTest(TestCase):
         self.assertHTMLEqual(
             w.render('individual_widget', subject1.pk, attrs={}),
             '<input type="text" name="individual_widget" value="%(subj1pk)s" />'
-            '&nbsp;<strong>Individual object</strong>'
-            % {'subj1pk': subject1.pk}
+            '&nbsp;<strong>%(subj1)s</strong>'
+            % {'subj1pk': subject1.pk, 'subj1': subject1}
         )
 
     def test_proper_manager_for_label_lookup(self):

tests/model_fields/test_floatfield.py

@@ -21,9 +21,9 @@ class TestFloatField(TestCase):
         instance.size = instance
         msg = (
             'Tried to update field model_fields.FloatModel.size with a model '
-            'instance, <FloatModel: FloatModel object>. Use a value '
+            'instance, %r. Use a value '
             'compatible with FloatField.'
-        )
+        ) % instance
         with transaction.atomic():
             with self.assertRaisesMessage(TypeError, msg):
                 instance.save()