Moved admin's action view tests to a separate file.

tests/admin_views/test_actions.py

+import json
+
+from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
+from django.contrib.admin.views.main import IS_POPUP_VAR
+from django.contrib.auth.models import User
+from django.core import mail
+from django.template.loader import render_to_string
+from django.template.response import TemplateResponse
+from django.test import TestCase, override_settings
+from django.urls import reverse
+
+from .forms import MediaActionForm
+from .models import (
+    Actor, Answer, ExternalSubscriber, Question, Subscriber,
+    UnchangeableObject,
+)
+
+
+@override_settings(ROOT_URLCONF='admin_views.urls')
+class AdminActionsTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        cls.superuser = User.objects.create_superuser(username='super', password='secret', email='super@example.com')
+        cls.s1 = ExternalSubscriber.objects.create(name='John Doe', email='john@example.org')
+        cls.s2 = Subscriber.objects.create(name='Max Mustermann', email='max@example.org')
+
+    def setUp(self):
+        self.client.force_login(self.superuser)
+
+    def test_model_admin_custom_action(self):
+        """A custom action defined in a ModelAdmin method."""
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'mail_admin',
+            'index': 0,
+        }
+        self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(mail.outbox[0].subject, 'Greetings from a ModelAdmin action')
+
+    def test_model_admin_default_delete_action(self):
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
+            'action': 'delete_selected',
+            'index': 0,
+        }
+        delete_confirmation_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
+            'action': 'delete_selected',
+            'post': 'yes',
+        }
+        confirmation = self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
+        self.assertIsInstance(confirmation, TemplateResponse)
+        self.assertContains(confirmation, 'Are you sure you want to delete the selected subscribers?')
+        self.assertContains(confirmation, '<h2>Summary</h2>')
+        self.assertContains(confirmation, '<li>Subscribers: 2</li>')
+        self.assertContains(confirmation, '<li>External subscribers: 1</li>')
+        self.assertContains(confirmation, ACTION_CHECKBOX_NAME, count=2)
+        self.client.post(reverse('admin:admin_views_subscriber_changelist'), delete_confirmation_data)
+        self.assertEqual(Subscriber.objects.count(), 0)
+
+    @override_settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=True)
+    def test_non_localized_pk(self):
+        """
+        If USE_THOUSAND_SEPARATOR is set, the ids for the objects selected for
+        deletion are rendered without separators.
+        """
+        s = ExternalSubscriber.objects.create(id=9999)
+        action_data = {
+            ACTION_CHECKBOX_NAME: [s.pk, self.s2.pk],
+            'action': 'delete_selected',
+            'index': 0,
+        }
+        response = self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
+        self.assertTemplateUsed(response, 'admin/delete_selected_confirmation.html')
+        self.assertContains(response, 'value="9999"')  # Instead of 9,999
+        self.assertContains(response, 'value="%s"' % self.s2.pk)
+
+    def test_model_admin_default_delete_action_protected(self):
+        """
+        The default delete action where some related objects are protected
+        from deletion.
+        """
+        q1 = Question.objects.create(question='Why?')
+        a1 = Answer.objects.create(question=q1, answer='Because.')
+        a2 = Answer.objects.create(question=q1, answer='Yes.')
+        q2 = Question.objects.create(question='Wherefore?')
+        action_data = {
+            ACTION_CHECKBOX_NAME: [q1.pk, q2.pk],
+            'action': 'delete_selected',
+            'index': 0,
+        }
+        delete_confirmation_data = action_data.copy()
+        delete_confirmation_data['post'] = 'yes'
+        response = self.client.post(reverse('admin:admin_views_question_changelist'), action_data)
+        self.assertContains(response, 'would require deleting the following protected related objects')
+        self.assertContains(
+            response,
+            '<li>Answer: <a href="%s">Because.</a></li>' % reverse('admin:admin_views_answer_change', args=(a1.pk,)),
+            html=True
+        )
+        self.assertContains(
+            response,
+            '<li>Answer: <a href="%s">Yes.</a></li>' % reverse('admin:admin_views_answer_change', args=(a2.pk,)),
+            html=True
+        )
+        # A POST request to delete protected objects displays the page which
+        # says the deletion is prohibited.
+        response = self.client.post(reverse('admin:admin_views_question_changelist'), delete_confirmation_data)
+        self.assertContains(response, 'would require deleting the following protected related objects')
+        self.assertEqual(Question.objects.count(), 2)
+
+    def test_model_admin_default_delete_action_no_change_url(self):
+        """
+        The default delete action doesn't break if a ModelAdmin removes the
+        change_view URL (#20640).
+        """
+        obj = UnchangeableObject.objects.create()
+        action_data = {
+            ACTION_CHECKBOX_NAME: obj.pk,
+            'action': 'delete_selected',
+            'index': '0',
+        }
+        response = self.client.post(reverse('admin:admin_views_unchangeableobject_changelist'), action_data)
+        # No 500 caused by NoReverseMatch
+        self.assertEqual(response.status_code, 200)
+        # The page doesn't display a link to the nonexistent change page.
+        self.assertContains(response, '<li>Unchangeable object: %s</li>' % obj, 1, html=True)
+
+    def test_custom_function_mail_action(self):
+        """A custom action may be defined in a function."""
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'external_mail',
+            'index': 0,
+        }
+        self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(mail.outbox[0].subject, 'Greetings from a function action')
+
+    def test_custom_function_action_with_redirect(self):
+        """Another custom action defined in a function."""
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'redirect_to',
+            'index': 0,
+        }
+        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
+        self.assertEqual(response.status_code, 302)
+
+    def test_default_redirect(self):
+        """
+        Actions which don't return an HttpResponse are redirected to the same
+        page, retaining the querystring (which may contain changelist info).
+        """
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'external_mail',
+            'index': 0,
+        }
+        url = reverse('admin:admin_views_externalsubscriber_changelist') + '?o=1'
+        response = self.client.post(url, action_data)
+        self.assertRedirects(response, url)
+
+    def test_custom_function_action_streaming_response(self):
+        """A custom action may return a StreamingHttpResponse."""
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'download',
+            'index': 0,
+        }
+        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
+        content = b''.join(response.streaming_content)
+        self.assertEqual(content, b'This is the content of the file')
+        self.assertEqual(response.status_code, 200)
+
+    def test_custom_function_action_no_perm_response(self):
+        """A custom action may returns an HttpResponse with a 403 code."""
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            'action': 'no_perm',
+            'index': 0,
+        }
+        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
+        self.assertEqual(response.status_code, 403)
+        self.assertEqual(response.content, b'No permission to perform this action')
+
+    def test_actions_ordering(self):
+        """Actions are ordered as expected."""
+        response = self.client.get(reverse('admin:admin_views_externalsubscriber_changelist'))
+        self.assertContains(response, '''<label>Action: <select name="action" required>
+<option value="" selected>---------</option>
+<option value="delete_selected">Delete selected external
+subscribers</option>
+<option value="redirect_to">Redirect to (Awesome action)</option>
+<option value="external_mail">External mail (Another awesome
+action)</option>
+<option value="download">Download subscription</option>
+<option value="no_perm">No permission to run</option>
+</select>''', html=True)
+
+    def test_model_without_action(self):
+        """A ModelAdmin might not have any actions."""
+        response = self.client.get(reverse('admin:admin_views_oldsubscriber_changelist'))
+        self.assertIsNone(response.context['action_form'])
+        self.assertNotContains(
+            response, '<input type="checkbox" class="action-select"',
+            msg_prefix='Found an unexpected action toggle checkboxbox in response'
+        )
+        self.assertNotContains(response, '<input type="checkbox" class="action-select"')
+
+    def test_model_without_action_still_has_jquery(self):
+        """
+        A ModelAdmin without any actions still has jQuery included on the page.
+        """
+        response = self.client.get(reverse('admin:admin_views_oldsubscriber_changelist'))
+        self.assertIsNone(response.context['action_form'])
+        self.assertContains(
+            response, 'jquery.min.js',
+            msg_prefix='jQuery missing from admin pages for model with no admin actions'
+        )
+
+    def test_action_column_class(self):
+        """The checkbox column class is present in the response."""
+        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
+        self.assertIsNotNone(response.context['action_form'])
+        self.assertContains(response, 'action-checkbox-column')
+
+    def test_multiple_actions_form(self):
+        """
+        Actions come from the form whose submit button was pressed (#10618).
+        """
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk],
+            # Two different actions selected on the two forms...
+            'action': ['external_mail', 'delete_selected'],
+            # ...but "go" was clicked on the top form.
+            'index': 0
+        }
+        self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
+        # The action sends mail rather than deletes.
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(mail.outbox[0].subject, 'Greetings from a function action')
+
+    def test_media_from_actions_form(self):
+        """
+        The action form's media is included in the changelist view's media.
+        """
+        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
+        media_path = MediaActionForm.Media.js[0]
+        self.assertIsInstance(response.context['action_form'], MediaActionForm)
+        self.assertIn('media', response.context)
+        self.assertIn(media_path, response.context['media']._js)
+        self.assertContains(response, media_path)
+
+    def test_user_message_on_none_selected(self):
+        """
+        User sees a warning when 'Go' is pressed and no items are selected.
+        """
+        action_data = {
+            ACTION_CHECKBOX_NAME: [],
+            'action': 'delete_selected',
+            'index': 0,
+        }
+        url = reverse('admin:admin_views_subscriber_changelist')
+        response = self.client.post(url, action_data)
+        self.assertRedirects(response, url, fetch_redirect_response=False)
+        response = self.client.get(response.url)
+        msg = 'Items must be selected in order to perform actions on them. No items have been changed.'
+        self.assertContains(response, msg)
+        self.assertEqual(Subscriber.objects.count(), 2)
+
+    def test_user_message_on_no_action(self):
+        """
+        User sees a warning when 'Go' is pressed and no action is selected.
+        """
+        action_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
+            'action': '',
+            'index': 0,
+        }
+        url = reverse('admin:admin_views_subscriber_changelist')
+        response = self.client.post(url, action_data)
+        self.assertRedirects(response, url, fetch_redirect_response=False)
+        response = self.client.get(response.url)
+        self.assertContains(response, 'No action selected.')
+        self.assertEqual(Subscriber.objects.count(), 2)
+
+    def test_selection_counter(self):
+        """The selection counter is there."""
+        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
+        self.assertContains(response, '0 of 2 selected')
+
+    def test_popup_actions(self):
+        """ Actions aren't shown in popups."""
+        changelist_url = reverse('admin:admin_views_subscriber_changelist')
+        response = self.client.get(changelist_url)
+        self.assertIsNotNone(response.context['action_form'])
+        response = self.client.get(changelist_url + '?%s' % IS_POPUP_VAR)
+        self.assertIsNone(response.context['action_form'])
+
+    def test_popup_template_response_on_add(self):
+        """
+        Success on popups shall be rendered from template in order to allow
+        easy customization.
+        """
+        response = self.client.post(
+            reverse('admin:admin_views_actor_add') + '?%s=1' % IS_POPUP_VAR,
+            {'name': 'Troy McClure', 'age': '55', IS_POPUP_VAR: '1'}
+        )
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.template_name, [
+            'admin/admin_views/actor/popup_response.html',
+            'admin/admin_views/popup_response.html',
+            'admin/popup_response.html',
+        ])
+        self.assertTemplateUsed(response, 'admin/popup_response.html')
+
+    def test_popup_template_response_on_change(self):
+        instance = Actor.objects.create(name='David Tennant', age=45)
+        response = self.client.post(
+            reverse('admin:admin_views_actor_change', args=(instance.pk,)) + '?%s=1' % IS_POPUP_VAR,
+            {'name': 'David Tennant', 'age': '46', IS_POPUP_VAR: '1'}
+        )
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.template_name, [
+            'admin/admin_views/actor/popup_response.html',
+            'admin/admin_views/popup_response.html',
+            'admin/popup_response.html',
+        ])
+        self.assertTemplateUsed(response, 'admin/popup_response.html')
+
+    def test_popup_template_response_on_delete(self):
+        instance = Actor.objects.create(name='David Tennant', age=45)
+        response = self.client.post(
+            reverse('admin:admin_views_actor_delete', args=(instance.pk,)) + '?%s=1' % IS_POPUP_VAR,
+            {IS_POPUP_VAR: '1'}
+        )
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.template_name, [
+            'admin/admin_views/actor/popup_response.html',
+            'admin/admin_views/popup_response.html',
+            'admin/popup_response.html',
+        ])
+        self.assertTemplateUsed(response, 'admin/popup_response.html')
+
+    def test_popup_template_escaping(self):
+        popup_response_data = json.dumps({
+            'new_value': 'new_value\\',
+            'obj': 'obj\\',
+            'value': 'value\\',
+        })
+        context = {
+            'popup_response_data': popup_response_data,
+        }
+        output = render_to_string('admin/popup_response.html', context)
+        self.assertIn(
+            r'&quot;value\\&quot;', output
+        )
+        self.assertIn(
+            r'&quot;new_value\\&quot;', output
+        )
+        self.assertIn(
+            r'&quot;obj\\&quot;', output
+        )

tests/admin_views/tests.py

 import datetime
-import json
 import os
 import re
 import unittest
@@ -24,7 +23,6 @@ from django.core import mail
 from django.core.checks import Error
 from django.core.files import temp as tempfile
 from django.forms.utils import ErrorList
-from django.template.loader import render_to_string
 from django.template.response import TemplateResponse
 from django.test import (
     SimpleTestCase, TestCase, ignore_warnings, modify_settings,
@@ -41,26 +39,23 @@ from django.utils.http import urlencode
 
 from . import customadmin
 from .admin import CityAdmin, site, site2
-from .forms import MediaActionForm
 from .models import (
     Actor, AdminOrderedAdminMethod, AdminOrderedCallable, AdminOrderedField,
     AdminOrderedModelMethod, Answer, Answer2, Article, BarAccount, Book,
     Bookmark, Category, Chapter, ChapterXtra1, ChapterXtra2, Character, Child,
     Choice, City, Collector, Color, ComplexSortedPerson, CoverLetter,
     CustomArticle, CyclicOne, CyclicTwo, DooHickey, Employee, EmptyModel,
-    ExternalSubscriber, Fabric, FancyDoodad, FieldOverridePost,
-    FilteredManager, FooAccount, FoodDelivery, FunkyTag, Gallery, Grommet,
-    Inquisition, Language, Link, MainPrepopulated, Media,
-    ModelWithStringPrimaryKey, OtherStory, Paper, Parent,
-    ParentWithDependentChildren, ParentWithUUIDPK, Person, Persona, Picture,
-    Pizza, Plot, PlotDetails, PluggableSearchPerson, Podcast, Post,
+    Fabric, FancyDoodad, FieldOverridePost, FilteredManager, FooAccount,
+    FoodDelivery, FunkyTag, Gallery, Grommet, Inquisition, Language, Link,
+    MainPrepopulated, Media, ModelWithStringPrimaryKey, OtherStory, Paper,
+    Parent, ParentWithDependentChildren, ParentWithUUIDPK, Person, Persona,
+    Picture, Pizza, Plot, PlotDetails, PluggableSearchPerson, Podcast, Post,
     PrePopulatedPost, Promo, Question, ReadablePizza, Recommendation,
     Recommender, RelatedPrepopulated, RelatedWithUUIDPKModel, Report,
     Restaurant, RowLevelChangePermissionModel, SecretHideout, Section,
-    ShortMessage, Simple, State, Story, Subscriber, SuperSecretHideout,
-    SuperVillain, Telegram, TitleTranslation, Topping, UnchangeableObject,
-    UndeletableObject, UnorderedObject, Villain, Vodcast, Whatsit, Widget,
-    Worker, WorkHour,
+    ShortMessage, Simple, State, Story, SuperSecretHideout, SuperVillain,
+    Telegram, TitleTranslation, Topping, UnchangeableObject, UndeletableObject,
+    UnorderedObject, Villain, Vodcast, Whatsit, Widget, Worker, WorkHour,
 )
 
 
@@ -3202,366 +3197,6 @@ class AdminInheritedInlinesTest(TestCase):
         self.assertEqual(Persona.objects.all()[0].accounts.count(), 2)
 
 
-@override_settings(ROOT_URLCONF='admin_views.urls')
-class AdminActionsTest(TestCase):
-
-    @classmethod
-    def setUpTestData(cls):
-        cls.superuser = User.objects.create_superuser(username='super', password='secret', email='super@example.com')
-        cls.s1 = ExternalSubscriber.objects.create(name='John Doe', email='john@example.org')
-        cls.s2 = Subscriber.objects.create(name='Max Mustermann', email='max@example.org')
-
-    def setUp(self):
-        self.client.force_login(self.superuser)
-
-    def test_model_admin_custom_action(self):
-        "Tests a custom action defined in a ModelAdmin method"
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'mail_admin',
-            'index': 0,
-        }
-        self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
-        self.assertEqual(len(mail.outbox), 1)
-        self.assertEqual(mail.outbox[0].subject, 'Greetings from a ModelAdmin action')
-
-    def test_model_admin_default_delete_action(self):
-        "Tests the default delete action defined as a ModelAdmin method"
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
-            'action': 'delete_selected',
-            'index': 0,
-        }
-        delete_confirmation_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
-            'action': 'delete_selected',
-            'post': 'yes',
-        }
-        confirmation = self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
-        self.assertIsInstance(confirmation, TemplateResponse)
-        self.assertContains(confirmation, "Are you sure you want to delete the selected subscribers?")
-        self.assertContains(confirmation, "<h2>Summary</h2>")
-        self.assertContains(confirmation, "<li>Subscribers: 2</li>")
-        self.assertContains(confirmation, "<li>External subscribers: 1</li>")
-        self.assertContains(confirmation, ACTION_CHECKBOX_NAME, count=2)
-        self.client.post(reverse('admin:admin_views_subscriber_changelist'), delete_confirmation_data)
-        self.assertEqual(Subscriber.objects.count(), 0)
-
-    @override_settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=True)
-    def test_non_localized_pk(self):
-        """If USE_THOUSAND_SEPARATOR is set, make sure that the ids for
-        the objects selected for deletion are rendered without separators.
-        Refs #14895.
-        """
-        s = ExternalSubscriber.objects.create(id=9999)
-        action_data = {
-            ACTION_CHECKBOX_NAME: [s.pk, self.s2.pk],
-            'action': 'delete_selected',
-            'index': 0,
-        }
-        response = self.client.post(reverse('admin:admin_views_subscriber_changelist'), action_data)
-        self.assertTemplateUsed(response, 'admin/delete_selected_confirmation.html')
-        self.assertContains(response, 'value="9999"')  # Instead of 9,999
-        self.assertContains(response, 'value="%s"' % self.s2.pk)
-
-    def test_model_admin_default_delete_action_protected(self):
-        """
-        Tests the default delete action defined as a ModelAdmin method in the
-        case where some related objects are protected from deletion.
-        """
-        q1 = Question.objects.create(question="Why?")
-        a1 = Answer.objects.create(question=q1, answer="Because.")
-        a2 = Answer.objects.create(question=q1, answer="Yes.")
-        q2 = Question.objects.create(question="Wherefore?")
-
-        action_data = {
-            ACTION_CHECKBOX_NAME: [q1.pk, q2.pk],
-            'action': 'delete_selected',
-            'index': 0,
-        }
-        delete_confirmation_data = action_data.copy()
-        delete_confirmation_data['post'] = 'yes'
-
-        response = self.client.post(reverse('admin:admin_views_question_changelist'), action_data)
-
-        self.assertContains(response, "would require deleting the following protected related objects")
-        self.assertContains(
-            response,
-            '<li>Answer: <a href="%s">Because.</a></li>' % reverse('admin:admin_views_answer_change', args=(a1.pk,)),
-            html=True
-        )
-        self.assertContains(
-            response,
-            '<li>Answer: <a href="%s">Yes.</a></li>' % reverse('admin:admin_views_answer_change', args=(a2.pk,)),
-            html=True
-        )
-
-        # A POST request to delete protected objects should display the page
-        # which says the deletion is prohibited.
-        response = self.client.post(reverse('admin:admin_views_question_changelist'), delete_confirmation_data)
-        self.assertContains(response, "would require deleting the following protected related objects")
-        self.assertEqual(Question.objects.count(), 2)
-
-    def test_model_admin_default_delete_action_no_change_url(self):
-        """
-        Default delete action shouldn't break if a user's ModelAdmin removes the url for change_view.
-
-        Regression test for #20640
-        """
-        obj = UnchangeableObject.objects.create()
-        action_data = {
-            ACTION_CHECKBOX_NAME: obj.pk,
-            "action": "delete_selected",
-            "index": "0",
-        }
-        response = self.client.post(reverse('admin:admin_views_unchangeableobject_changelist'), action_data)
-        # 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: %s</li>" % obj, 1, html=True)
-
-    def test_custom_function_mail_action(self):
-        "Tests a custom action defined in a function"
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'external_mail',
-            'index': 0,
-        }
-        self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
-        self.assertEqual(len(mail.outbox), 1)
-        self.assertEqual(mail.outbox[0].subject, 'Greetings from a function action')
-
-    def test_custom_function_action_with_redirect(self):
-        "Tests a custom action defined in a function"
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'redirect_to',
-            'index': 0,
-        }
-        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
-        self.assertEqual(response.status_code, 302)
-
-    def test_default_redirect(self):
-        """
-        Actions which don't return an HttpResponse are redirected to the same
-        page, retaining the querystring (which may contain changelist
-        information).
-        """
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'external_mail',
-            'index': 0,
-        }
-        url = reverse('admin:admin_views_externalsubscriber_changelist') + '?o=1'
-        response = self.client.post(url, action_data)
-        self.assertRedirects(response, url)
-
-    def test_custom_function_action_streaming_response(self):
-        """Tests a custom action that returns a StreamingHttpResponse."""
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'download',
-            'index': 0,
-        }
-        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
-        content = b''.join(response.streaming_content)
-        self.assertEqual(content, b'This is the content of the file')
-        self.assertEqual(response.status_code, 200)
-
-    def test_custom_function_action_no_perm_response(self):
-        """Tests a custom action that returns an HttpResponse with 403 code."""
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            'action': 'no_perm',
-            'index': 0,
-        }
-        response = self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
-        self.assertEqual(response.status_code, 403)
-        self.assertEqual(response.content, b'No permission to perform this action')
-
-    def test_actions_ordering(self):
-        """
-        Actions are ordered as expected.
-        """
-        response = self.client.get(reverse('admin:admin_views_externalsubscriber_changelist'))
-        self.assertContains(response, '''<label>Action: <select name="action" required>
-<option value="" selected>---------</option>
-<option value="delete_selected">Delete selected external
-subscribers</option>
-<option value="redirect_to">Redirect to (Awesome action)</option>
-<option value="external_mail">External mail (Another awesome
-action)</option>
-<option value="download">Download subscription</option>
-<option value="no_perm">No permission to run</option>
-</select>''', html=True)
-
-    def test_model_without_action(self):
-        "Tests a ModelAdmin without any action"
-        response = self.client.get(reverse('admin:admin_views_oldsubscriber_changelist'))
-        self.assertIsNone(response.context["action_form"])
-        self.assertNotContains(
-            response, '<input type="checkbox" class="action-select"',
-            msg_prefix="Found an unexpected action toggle checkboxbox in response"
-        )
-        self.assertNotContains(response, '<input type="checkbox" class="action-select"')
-
-    def test_model_without_action_still_has_jquery(self):
-        "A ModelAdmin without any actions still gets jQuery included in page"
-        response = self.client.get(reverse('admin:admin_views_oldsubscriber_changelist'))
-        self.assertIsNone(response.context["action_form"])
-        self.assertContains(
-            response, 'jquery.min.js',
-            msg_prefix="jQuery missing from admin pages for model with no admin actions"
-        )
-
-    def test_action_column_class(self):
-        "The checkbox column class is present in the response"
-        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
-        self.assertIsNotNone(response.context["action_form"])
-        self.assertContains(response, 'action-checkbox-column')
-
-    def test_multiple_actions_form(self):
-        """
-        Actions come from the form whose submit button was pressed (#10618).
-        """
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk],
-            # Two different actions selected on the two forms...
-            'action': ['external_mail', 'delete_selected'],
-            # ...but we clicked "go" on the top form.
-            'index': 0
-        }
-        self.client.post(reverse('admin:admin_views_externalsubscriber_changelist'), action_data)
-
-        # Send mail, don't delete.
-        self.assertEqual(len(mail.outbox), 1)
-        self.assertEqual(mail.outbox[0].subject, 'Greetings from a function action')
-
-    def test_media_from_actions_form(self):
-        """
-        The action form's media is included in changelist view's media.
-        """
-        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
-        media_path = MediaActionForm.Media.js[0]
-        self.assertIsInstance(response.context['action_form'], MediaActionForm)
-        self.assertIn('media', response.context)
-        self.assertIn(media_path, response.context['media']._js)
-        self.assertContains(response, media_path)
-
-    def test_user_message_on_none_selected(self):
-        """
-        User should see a warning when 'Go' is pressed and no items are selected.
-        """
-        action_data = {
-            ACTION_CHECKBOX_NAME: [],
-            'action': 'delete_selected',
-            'index': 0,
-        }
-        url = reverse('admin:admin_views_subscriber_changelist')
-        response = self.client.post(url, action_data)
-        self.assertRedirects(response, url, fetch_redirect_response=False)
-        response = self.client.get(response.url)
-        msg = """Items must be selected in order to perform actions on them. No items have been changed."""
-        self.assertContains(response, msg)
-        self.assertEqual(Subscriber.objects.count(), 2)
-
-    def test_user_message_on_no_action(self):
-        """
-        User should see a warning when 'Go' is pressed and no action is selected.
-        """
-        action_data = {
-            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
-            'action': '',
-            'index': 0,
-        }
-        url = reverse('admin:admin_views_subscriber_changelist')
-        response = self.client.post(url, action_data)
-        self.assertRedirects(response, url, fetch_redirect_response=False)
-        response = self.client.get(response.url)
-        msg = """No action selected."""
-        self.assertContains(response, msg)
-        self.assertEqual(Subscriber.objects.count(), 2)
-
-    def test_selection_counter(self):
-        """
-        Check if the selection counter is there.
-        """
-        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
-        self.assertContains(response, '0 of 2 selected')
-
-    def test_popup_actions(self):
-        """ Actions should not be shown in popups. """
-        response = self.client.get(reverse('admin:admin_views_subscriber_changelist'))
-        self.assertIsNotNone(response.context["action_form"])
-        response = self.client.get(
-            reverse('admin:admin_views_subscriber_changelist') + '?%s' % IS_POPUP_VAR)
-        self.assertIsNone(response.context["action_form"])
-
-    def test_popup_template_response_on_add(self):
-        """
-        Success on popups shall be rendered from template in order to allow
-        easy customization.
-        """
-        response = self.client.post(
-            reverse('admin:admin_views_actor_add') + '?%s=1' % IS_POPUP_VAR,
-            {'name': 'Troy McClure', 'age': '55', IS_POPUP_VAR: '1'})
-        self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.template_name, [
-            'admin/admin_views/actor/popup_response.html',
-            'admin/admin_views/popup_response.html',
-            'admin/popup_response.html',
-        ])
-        self.assertTemplateUsed(response, 'admin/popup_response.html')
-
-    def test_popup_template_response_on_change(self):
-        instance = Actor.objects.create(name='David Tennant', age=45)
-        response = self.client.post(
-            reverse('admin:admin_views_actor_change', args=(instance.pk,)) + '?%s=1' % IS_POPUP_VAR,
-            {'name': 'David Tennant', 'age': '46', IS_POPUP_VAR: '1'}
-        )
-        self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.template_name, [
-            'admin/admin_views/actor/popup_response.html',
-            'admin/admin_views/popup_response.html',
-            'admin/popup_response.html',
-        ])
-        self.assertTemplateUsed(response, 'admin/popup_response.html')
-
-    def test_popup_template_response_on_delete(self):
-        instance = Actor.objects.create(name='David Tennant', age=45)
-        response = self.client.post(
-            reverse('admin:admin_views_actor_delete', args=(instance.pk,)) + '?%s=1' % IS_POPUP_VAR,
-            {IS_POPUP_VAR: '1'}
-        )
-        self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.template_name, [
-            'admin/admin_views/actor/popup_response.html',
-            'admin/admin_views/popup_response.html',
-            'admin/popup_response.html',
-        ])
-        self.assertTemplateUsed(response, 'admin/popup_response.html')
-
-    def test_popup_template_escaping(self):
-        popup_response_data = json.dumps({
-            'new_value': 'new_value\\',
-            'obj': 'obj\\',
-            'value': 'value\\',
-        })
-        context = {
-            'popup_response_data': popup_response_data,
-        }
-        output = render_to_string('admin/popup_response.html', context)
-        self.assertIn(
-            r'&quot;value\\&quot;', output
-        )
-        self.assertIn(
-            r'&quot;new_value\\&quot;', output
-        )
-        self.assertIn(
-            r'&quot;obj\\&quot;', output
-        )
-
-
 @override_settings(ROOT_URLCONF='admin_views.urls')
 class TestCustomChangeList(TestCase):