import datetime from django.contrib import admin from django.contrib.admin.models import LogEntry from django.contrib.admin.options import IncorrectLookupParameters from django.contrib.admin.templatetags.admin_list import pagination from django.contrib.admin.tests import AdminSeleniumTestCase from django.contrib.admin.views.main import ALL_VAR, SEARCH_VAR, ChangeList from django.contrib.auth.models import User from django.contrib.contenttypes.models import ContentType from django.template import Context, Template from django.test import TestCase, override_settings from django.test.client import RequestFactory from django.urls import reverse from django.utils import formats, six from .admin import ( BandAdmin, ChildAdmin, ChordsBandAdmin, ConcertAdmin, CustomPaginationAdmin, CustomPaginator, DynamicListDisplayChildAdmin, DynamicListDisplayLinksChildAdmin, DynamicListFilterChildAdmin, DynamicSearchFieldsChildAdmin, EmptyValueChildAdmin, EventAdmin, FilteredChildAdmin, GroupAdmin, InvitationAdmin, NoListDisplayLinksParentAdmin, ParentAdmin, QuartetAdmin, SwallowAdmin, site as custom_site, ) from .models import ( Band, Child, ChordsBand, ChordsMusician, Concert, CustomIdUser, Event, Genre, Group, Invitation, Membership, Musician, OrderedObject, Parent, Quartet, Swallow, SwallowOneToOne, UnorderedObject, ) def get_changelist_args(modeladmin, **kwargs): m = modeladmin args = ( kwargs.pop('list_display', m.list_display), kwargs.pop('list_display_links', m.list_display_links), kwargs.pop('list_filter', m.list_filter), kwargs.pop('date_hierarchy', m.date_hierarchy), kwargs.pop('search_fields', m.search_fields), kwargs.pop('list_select_related', m.list_select_related), kwargs.pop('list_per_page', m.list_per_page), kwargs.pop('list_max_show_all', m.list_max_show_all), kwargs.pop('list_editable', m.list_editable), m, ) assert not kwargs, "Unexpected kwarg %s" % kwargs return args @override_settings(ROOT_URLCONF="admin_changelist.urls") class ChangeListTests(TestCase): def setUp(self): self.factory = RequestFactory() def _create_superuser(self, username): return User.objects.create_superuser(username=username, email='a@b.com', password='xxx') def _mocked_authenticated_request(self, url, user): request = self.factory.get(url) request.user = user return request def test_select_related_preserved(self): """ Regression test for #10348: ChangeList.get_queryset() shouldn't overwrite a custom select_related provided by ModelAdmin.get_queryset(). """ m = ChildAdmin(Child, custom_site) request = self.factory.get('/child/') cl = ChangeList( request, Child, *get_changelist_args(m, list_select_related=m.get_list_select_related(request)) ) self.assertEqual(cl.queryset.query.select_related, {'parent': {}}) def test_select_related_as_tuple(self): ia = InvitationAdmin(Invitation, custom_site) request = self.factory.get('/invitation/') cl = ChangeList( request, Child, *get_changelist_args(ia, list_select_related=ia.get_list_select_related(request)) ) self.assertEqual(cl.queryset.query.select_related, {'player': {}}) def test_select_related_as_empty_tuple(self): ia = InvitationAdmin(Invitation, custom_site) ia.list_select_related = () request = self.factory.get('/invitation/') cl = ChangeList( request, Child, *get_changelist_args(ia, list_select_related=ia.get_list_select_related(request)) ) self.assertIs(cl.queryset.query.select_related, False) def test_get_select_related_custom_method(self): class GetListSelectRelatedAdmin(admin.ModelAdmin): list_display = ('band', 'player') def get_list_select_related(self, request): return ('band', 'player') ia = GetListSelectRelatedAdmin(Invitation, custom_site) request = self.factory.get('/invitation/') cl = ChangeList( request, Child, *get_changelist_args(ia, list_select_related=ia.get_list_select_related(request)) ) self.assertEqual(cl.queryset.query.select_related, {'player': {}, 'band': {}}) def test_result_list_empty_changelist_value(self): """ Regression test for #14982: EMPTY_CHANGELIST_VALUE should be honored for relationship fields """ new_child = Child.objects.create(name='name', parent=None) request = self.factory.get('/child/') m = ChildAdmin(Child, custom_site) cl = ChangeList(request, Child, *get_changelist_args(m)) cl.formset = None template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}') context = Context({'cl': cl}) table_output = template.render(context) link = reverse('admin:admin_changelist_child_change', args=(new_child.id,)) row_html = ( 'name' '-' % link ) self.assertNotEqual(table_output.find(row_html), -1, 'Failed to find expected row element: %s' % table_output) def test_result_list_set_empty_value_display_on_admin_site(self): """ Empty value display can be set on AdminSite. """ new_child = Child.objects.create(name='name', parent=None) request = self.factory.get('/child/') # Set a new empty display value on AdminSite. admin.site.empty_value_display = '???' m = ChildAdmin(Child, admin.site) cl = ChangeList(request, Child, *get_changelist_args(m)) cl.formset = None template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}') context = Context({'cl': cl}) table_output = template.render(context) link = reverse('admin:admin_changelist_child_change', args=(new_child.id,)) row_html = ( 'name' '???' % link ) self.assertNotEqual(table_output.find(row_html), -1, 'Failed to find expected row element: %s' % table_output) def test_result_list_set_empty_value_display_in_model_admin(self): """ Empty value display can be set in ModelAdmin or individual fields. """ new_child = Child.objects.create(name='name', parent=None) request = self.factory.get('/child/') m = EmptyValueChildAdmin(Child, admin.site) cl = ChangeList(request, Child, *get_changelist_args(m)) cl.formset = None template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}') context = Context({'cl': cl}) table_output = template.render(context) link = reverse('admin:admin_changelist_child_change', args=(new_child.id,)) row_html = ( 'name' '†-empty-' % link ) self.assertNotEqual(table_output.find(row_html), -1, 'Failed to find expected row element: %s' % table_output) def test_result_list_html(self): """ Inclusion tag result_list generates a table when with default ModelAdmin settings. """ new_parent = Parent.objects.create(name='parent') new_child = Child.objects.create(name='name', parent=new_parent) request = self.factory.get('/child/') m = ChildAdmin(Child, custom_site) cl = ChangeList(request, Child, *get_changelist_args(m)) cl.formset = None template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}') context = Context({'cl': cl}) table_output = template.render(context) link = reverse('admin:admin_changelist_child_change', args=(new_child.id,)) row_html = ( 'name' 'Parent object' % link ) self.assertNotEqual(table_output.find(row_html), -1, 'Failed to find expected row element: %s' % table_output) def test_result_list_editable_html(self): """ Regression tests for #11791: Inclusion tag result_list generates a table and this checks that the items are nested within the table element tags. Also a regression test for #13599, verifies that hidden fields when list_editable is enabled are rendered in a div outside the table. """ new_parent = Parent.objects.create(name='parent') new_child = Child.objects.create(name='name', parent=new_parent) request = self.factory.get('/child/') m = ChildAdmin(Child, custom_site) # Test with list_editable fields m.list_display = ['id', 'name', 'parent'] m.list_display_links = ['id'] m.list_editable = ['name'] cl = ChangeList(request, Child, *get_changelist_args(m)) FormSet = m.get_changelist_formset(request) cl.formset = FormSet(queryset=cl.result_list) template = Template('{% load admin_list %}{% spaceless %}{% result_list cl %}{% endspaceless %}') context = Context({'cl': cl}) table_output = template.render(context) # make sure that hidden fields are in the correct place hiddenfields_div = ( '
' '' '
' ) % new_child.id self.assertInHTML(hiddenfields_div, table_output, msg_prefix='Failed to find hidden fields') # make sure that list editable fields are rendered in divs correctly editable_name_field = ( '' ) self.assertInHTML( '%s' % editable_name_field, table_output, msg_prefix='Failed to find "name" list_editable field', ) def test_result_list_editable(self): """ Regression test for #14312: list_editable with pagination """ new_parent = Parent.objects.create(name='parent') for i in range(200): Child.objects.create(name='name %s' % i, parent=new_parent) request = self.factory.get('/child/', data={'p': -1}) # Anything outside range m = ChildAdmin(Child, custom_site) # Test with list_editable fields m.list_display = ['id', 'name', 'parent'] m.list_display_links = ['id'] m.list_editable = ['name'] with self.assertRaises(IncorrectLookupParameters): ChangeList(request, Child, *get_changelist_args(m)) def test_custom_paginator(self): new_parent = Parent.objects.create(name='parent') for i in range(200): Child.objects.create(name='name %s' % i, parent=new_parent) request = self.factory.get('/child/') m = CustomPaginationAdmin(Child, custom_site) cl = ChangeList(request, Child, *get_changelist_args(m)) cl.get_results(request) self.assertIsInstance(cl.paginator, CustomPaginator) def test_distinct_for_m2m_in_list_filter(self): """ Regression test for #13902: When using a ManyToMany in list_filter, results shouldn't appear more than once. Basic ManyToMany. """ blues = Genre.objects.create(name='Blues') band = Band.objects.create(name='B.B. King Review', nr_of_members=11) band.genres.add(blues) band.genres.add(blues) m = BandAdmin(Band, custom_site) request = self.factory.get('/band/', data={'genres': blues.pk}) cl = ChangeList(request, Band, *get_changelist_args(m)) cl.get_results(request) # There's only one Group instance self.assertEqual(cl.result_count, 1) def test_distinct_for_through_m2m_in_list_filter(self): """ Regression test for #13902: When using a ManyToMany in list_filter, results shouldn't appear more than once. With an intermediate model. """ lead = Musician.objects.create(name='Vox') band = Group.objects.create(name='The Hype') Membership.objects.create(group=band, music=lead, role='lead voice') Membership.objects.create(group=band, music=lead, role='bass player') m = GroupAdmin(Group, custom_site) request = self.factory.get('/group/', data={'members': lead.pk}) cl = ChangeList(request, Group, *get_changelist_args(m)) cl.get_results(request) # There's only one Group instance self.assertEqual(cl.result_count, 1) def test_distinct_for_through_m2m_at_second_level_in_list_filter(self): """ When using a ManyToMany in list_filter at the second level behind a ForeignKey, distinct() must be called and results shouldn't appear more than once. """ lead = Musician.objects.create(name='Vox') band = Group.objects.create(name='The Hype') Concert.objects.create(name='Woodstock', group=band) Membership.objects.create(group=band, music=lead, role='lead voice') Membership.objects.create(group=band, music=lead, role='bass player') m = ConcertAdmin(Concert, custom_site) request = self.factory.get('/concert/', data={'group__members': lead.pk}) cl = ChangeList(request, Concert, *get_changelist_args(m)) cl.get_results(request) # There's only one Concert instance self.assertEqual(cl.result_count, 1) def test_distinct_for_inherited_m2m_in_list_filter(self): """ Regression test for #13902: When using a ManyToMany in list_filter, results shouldn't appear more than once. Model managed in the admin inherits from the one that defins the relationship. """ lead = Musician.objects.create(name='John') four = Quartet.objects.create(name='The Beatles') Membership.objects.create(group=four, music=lead, role='lead voice') Membership.objects.create(group=four, music=lead, role='guitar player') m = QuartetAdmin(Quartet, custom_site) request = self.factory.get('/quartet/', data={'members': lead.pk}) cl = ChangeList(request, Quartet, *get_changelist_args(m)) cl.get_results(request) # There's only one Quartet instance self.assertEqual(cl.result_count, 1) def test_distinct_for_m2m_to_inherited_in_list_filter(self): """ Regression test for #13902: When using a ManyToMany in list_filter, results shouldn't appear more than once. Target of the relationship inherits from another. """ lead = ChordsMusician.objects.create(name='Player A') three = ChordsBand.objects.create(name='The Chords Trio') Invitation.objects.create(band=three, player=lead, instrument='guitar') Invitation.objects.create(band=three, player=lead, instrument='bass') m = ChordsBandAdmin(ChordsBand, custom_site) request = self.factory.get('/chordsband/', data={'members': lead.pk}) cl = ChangeList(request, ChordsBand, *get_changelist_args(m)) cl.get_results(request) # There's only one ChordsBand instance self.assertEqual(cl.result_count, 1) def test_distinct_for_non_unique_related_object_in_list_filter(self): """ Regressions tests for #15819: If a field listed in list_filters is a non-unique related object, distinct() must be called. """ parent = Parent.objects.create(name='Mary') # Two children with the same name Child.objects.create(parent=parent, name='Daniel') Child.objects.create(parent=parent, name='Daniel') m = ParentAdmin(Parent, custom_site) request = self.factory.get('/parent/', data={'child__name': 'Daniel'}) cl = ChangeList(request, Parent, *get_changelist_args(m)) # Make sure distinct() was called self.assertEqual(cl.queryset.count(), 1) def test_distinct_for_non_unique_related_object_in_search_fields(self): """ Regressions tests for #15819: If a field listed in search_fields is a non-unique related object, distinct() must be called. """ parent = Parent.objects.create(name='Mary') Child.objects.create(parent=parent, name='Danielle') Child.objects.create(parent=parent, name='Daniel') m = ParentAdmin(Parent, custom_site) request = self.factory.get('/parent/', data={SEARCH_VAR: 'daniel'}) cl = ChangeList(request, Parent, *get_changelist_args(m)) # Make sure distinct() was called self.assertEqual(cl.queryset.count(), 1) def test_distinct_for_many_to_many_at_second_level_in_search_fields(self): """ When using a ManyToMany in search_fields at the second level behind a ForeignKey, distinct() must be called and results shouldn't appear more than once. """ lead = Musician.objects.create(name='Vox') band = Group.objects.create(name='The Hype') Concert.objects.create(name='Woodstock', group=band) Membership.objects.create(group=band, music=lead, role='lead voice') Membership.objects.create(group=band, music=lead, role='bass player') m = ConcertAdmin(Concert, custom_site) request = self.factory.get('/concert/', data={SEARCH_VAR: 'vox'}) cl = ChangeList(request, Concert, *get_changelist_args(m)) # There's only one Concert instance self.assertEqual(cl.queryset.count(), 1) def test_no_distinct_for_m2m_in_list_filter_without_params(self): """ If a ManyToManyField is in list_filter but isn't in any lookup params, the changelist's query shouldn't have distinct. """ m = BandAdmin(Band, custom_site) for lookup_params in ({}, {'name': 'test'}): request = self.factory.get('/band/', lookup_params) cl = ChangeList(request, Band, *get_changelist_args(m)) self.assertFalse(cl.queryset.query.distinct) # A ManyToManyField in params does have distinct applied. request = self.factory.get('/band/', {'genres': '0'}) cl = ChangeList(request, Band, *get_changelist_args(m)) self.assertTrue(cl.queryset.query.distinct) def test_pagination(self): """ Regression tests for #12893: Pagination in admins changelist doesn't use queryset set by modeladmin. """ parent = Parent.objects.create(name='anything') for i in range(30): Child.objects.create(name='name %s' % i, parent=parent) Child.objects.create(name='filtered %s' % i, parent=parent) request = self.factory.get('/child/') # Test default queryset m = ChildAdmin(Child, custom_site) cl = ChangeList(request, Child, *get_changelist_args(m)) self.assertEqual(cl.queryset.count(), 60) self.assertEqual(cl.paginator.count, 60) self.assertEqual(list(cl.paginator.page_range), [1, 2, 3, 4, 5, 6]) # Test custom queryset m = FilteredChildAdmin(Child, custom_site) cl = ChangeList(request, Child, *get_changelist_args(m)) self.assertEqual(cl.queryset.count(), 30) self.assertEqual(cl.paginator.count, 30) self.assertEqual(list(cl.paginator.page_range), [1, 2, 3]) def test_computed_list_display_localization(self): """ Regression test for #13196: output of functions should be localized in the changelist. """ superuser = User.objects.create_superuser(username='super', email='super@localhost', password='secret') self.client.force_login(superuser) event = Event.objects.create(date=datetime.date.today()) response = self.client.get(reverse('admin:admin_changelist_event_changelist')) self.assertContains(response, formats.localize(event.date)) self.assertNotContains(response, six.text_type(event.date)) def test_dynamic_list_display(self): """ Regression tests for #14206: dynamic list_display support. """ parent = Parent.objects.create(name='parent') for i in range(10): Child.objects.create(name='child %s' % i, parent=parent) user_noparents = self._create_superuser('noparents') user_parents = self._create_superuser('parents') # Test with user 'noparents' m = custom_site._registry[Child] request = self._mocked_authenticated_request('/child/', user_noparents) response = m.changelist_view(request) self.assertNotContains(response, 'Parent object') list_display = m.get_list_display(request) list_display_links = m.get_list_display_links(request, list_display) self.assertEqual(list_display, ['name', 'age']) self.assertEqual(list_display_links, ['name']) # Test with user 'parents' m = DynamicListDisplayChildAdmin(Child, custom_site) request = self._mocked_authenticated_request('/child/', user_parents) response = m.changelist_view(request) self.assertContains(response, 'Parent object') custom_site.unregister(Child) list_display = m.get_list_display(request) list_display_links = m.get_list_display_links(request, list_display) self.assertEqual(list_display, ('parent', 'name', 'age')) self.assertEqual(list_display_links, ['parent']) # Test default implementation custom_site.register(Child, ChildAdmin) m = custom_site._registry[Child] request = self._mocked_authenticated_request('/child/', user_noparents) response = m.changelist_view(request) self.assertContains(response, 'Parent object') def test_show_all(self): parent = Parent.objects.create(name='anything') for i in range(30): Child.objects.create(name='name %s' % i, parent=parent) Child.objects.create(name='filtered %s' % i, parent=parent) # Add "show all" parameter to request request = self.factory.get('/child/', data={ALL_VAR: ''}) # Test valid "show all" request (number of total objects is under max) m = ChildAdmin(Child, custom_site) m.list_max_show_all = 200 # 200 is the max we'll pass to ChangeList cl = ChangeList(request, Child, *get_changelist_args(m)) cl.get_results(request) self.assertEqual(len(cl.result_list), 60) # Test invalid "show all" request (number of total objects over max) # falls back to paginated pages m = ChildAdmin(Child, custom_site) m.list_max_show_all = 30 # 30 is the max we'll pass to ChangeList for this test cl = ChangeList(request, Child, *get_changelist_args(m)) cl.get_results(request) self.assertEqual(len(cl.result_list), 10) def test_dynamic_list_display_links(self): """ Regression tests for #16257: dynamic list_display_links support. """ parent = Parent.objects.create(name='parent') for i in range(1, 10): Child.objects.create(id=i, name='child %s' % i, parent=parent, age=i) m = DynamicListDisplayLinksChildAdmin(Child, custom_site) superuser = self._create_superuser('superuser') request = self._mocked_authenticated_request('/child/', superuser) response = m.changelist_view(request) for i in range(1, 10): link = reverse('admin:admin_changelist_child_change', args=(i,)) self.assertContains(response, '%s' % (link, i)) list_display = m.get_list_display(request) list_display_links = m.get_list_display_links(request, list_display) self.assertEqual(list_display, ('parent', 'name', 'age')) self.assertEqual(list_display_links, ['age']) def test_no_list_display_links(self): """#15185 -- Allow no links from the 'change list' view grid.""" p = Parent.objects.create(name='parent') m = NoListDisplayLinksParentAdmin(Parent, custom_site) superuser = self._create_superuser('superuser') request = self._mocked_authenticated_request('/parent/', superuser) response = m.changelist_view(request) link = reverse('admin:admin_changelist_parent_change', args=(p.pk,)) self.assertNotContains(response, '' % link) def test_tuple_list_display(self): """ Regression test for #17128 (ChangeList failing under Python 2.5 after r16319) """ swallow = Swallow.objects.create(origin='Africa', load='12.34', speed='22.2') swallow2 = Swallow.objects.create(origin='Africa', load='12.34', speed='22.2') swallow_o2o = SwallowOneToOne.objects.create(swallow=swallow2) model_admin = SwallowAdmin(Swallow, custom_site) superuser = self._create_superuser('superuser') request = self._mocked_authenticated_request('/swallow/', superuser) response = model_admin.changelist_view(request) # just want to ensure it doesn't blow up during rendering self.assertContains(response, six.text_type(swallow.origin)) self.assertContains(response, six.text_type(swallow.load)) self.assertContains(response, six.text_type(swallow.speed)) # Reverse one-to-one relations should work. self.assertContains(response, '-') self.assertContains(response, '%s' % swallow_o2o) def test_multiuser_edit(self): """ Simultaneous edits of list_editable fields on the changelist by different users must not result in one user's edits creating a new object instead of modifying the correct existing object (#11313). """ # To replicate this issue, simulate the following steps: # 1. User1 opens an admin changelist with list_editable fields. # 2. User2 edits object "Foo" such that it moves to another page in # the pagination order and saves. # 3. User1 edits object "Foo" and saves. # 4. The edit made by User1 does not get applied to object "Foo" but # instead is used to create a new object (bug). # For this test, order the changelist by the 'speed' attribute and # display 3 objects per page (SwallowAdmin.list_per_page = 3). # Setup the test to reflect the DB state after step 2 where User2 has # edited the first swallow object's speed from '4' to '1'. a = Swallow.objects.create(origin='Swallow A', load=4, speed=1) b = Swallow.objects.create(origin='Swallow B', load=2, speed=2) c = Swallow.objects.create(origin='Swallow C', load=5, speed=5) d = Swallow.objects.create(origin='Swallow D', load=9, speed=9) superuser = self._create_superuser('superuser') self.client.force_login(superuser) changelist_url = reverse('admin:admin_changelist_swallow_changelist') # Send the POST from User1 for step 3. It's still using the changelist # ordering from before User2's edits in step 2. data = { 'form-TOTAL_FORMS': '3', 'form-INITIAL_FORMS': '3', 'form-MIN_NUM_FORMS': '0', 'form-MAX_NUM_FORMS': '1000', 'form-0-id': str(d.pk), 'form-1-id': str(c.pk), 'form-2-id': str(a.pk), 'form-0-load': '9.0', 'form-0-speed': '9.0', 'form-1-load': '5.0', 'form-1-speed': '5.0', 'form-2-load': '5.0', 'form-2-speed': '4.0', '_save': 'Save', } response = self.client.post(changelist_url, data, follow=True, extra={'o': '-2'}) # The object User1 edited in step 3 is displayed on the changelist and # has the correct edits applied. self.assertContains(response, '1 swallow was changed successfully.') self.assertContains(response, a.origin) a.refresh_from_db() self.assertEqual(a.load, float(data['form-2-load'])) self.assertEqual(a.speed, float(data['form-2-speed'])) b.refresh_from_db() self.assertEqual(b.load, 2) self.assertEqual(b.speed, 2) c.refresh_from_db() self.assertEqual(c.load, float(data['form-1-load'])) self.assertEqual(c.speed, float(data['form-1-speed'])) d.refresh_from_db() self.assertEqual(d.load, float(data['form-0-load'])) self.assertEqual(d.speed, float(data['form-0-speed'])) # No new swallows were created. self.assertEqual(len(Swallow.objects.all()), 4) def test_deterministic_order_for_unordered_model(self): """ The primary key is used in the ordering of the changelist's results to guarantee a deterministic order, even when the model doesn't have any default ordering defined (#17198). """ superuser = self._create_superuser('superuser') for counter in range(1, 51): UnorderedObject.objects.create(id=counter, bool=True) class UnorderedObjectAdmin(admin.ModelAdmin): list_per_page = 10 def check_results_order(ascending=False): custom_site.register(UnorderedObject, UnorderedObjectAdmin) model_admin = UnorderedObjectAdmin(UnorderedObject, custom_site) counter = 0 if ascending else 51 for page in range(0, 5): request = self._mocked_authenticated_request('/unorderedobject/?p=%s' % page, superuser) response = model_admin.changelist_view(request) for result in response.context_data['cl'].result_list: counter += 1 if ascending else -1 self.assertEqual(result.id, counter) custom_site.unregister(UnorderedObject) # When no order is defined at all, everything is ordered by '-pk'. check_results_order() # When an order field is defined but multiple records have the same # value for that field, make sure everything gets ordered by -pk as well. UnorderedObjectAdmin.ordering = ['bool'] check_results_order() # When order fields are defined, including the pk itself, use them. UnorderedObjectAdmin.ordering = ['bool', '-pk'] check_results_order() UnorderedObjectAdmin.ordering = ['bool', 'pk'] check_results_order(ascending=True) UnorderedObjectAdmin.ordering = ['-id', 'bool'] check_results_order() UnorderedObjectAdmin.ordering = ['id', 'bool'] check_results_order(ascending=True) def test_deterministic_order_for_model_ordered_by_its_manager(self): """ The primary key is used in the ordering of the changelist's results to guarantee a deterministic order, even when the model has a manager that defines a default ordering (#17198). """ superuser = self._create_superuser('superuser') for counter in range(1, 51): OrderedObject.objects.create(id=counter, bool=True, number=counter) class OrderedObjectAdmin(admin.ModelAdmin): list_per_page = 10 def check_results_order(ascending=False): custom_site.register(OrderedObject, OrderedObjectAdmin) model_admin = OrderedObjectAdmin(OrderedObject, custom_site) counter = 0 if ascending else 51 for page in range(0, 5): request = self._mocked_authenticated_request('/orderedobject/?p=%s' % page, superuser) response = model_admin.changelist_view(request) for result in response.context_data['cl'].result_list: counter += 1 if ascending else -1 self.assertEqual(result.id, counter) custom_site.unregister(OrderedObject) # When no order is defined at all, use the model's default ordering (i.e. 'number') check_results_order(ascending=True) # When an order field is defined but multiple records have the same # value for that field, make sure everything gets ordered by -pk as well. OrderedObjectAdmin.ordering = ['bool'] check_results_order() # When order fields are defined, including the pk itself, use them. OrderedObjectAdmin.ordering = ['bool', '-pk'] check_results_order() OrderedObjectAdmin.ordering = ['bool', 'pk'] check_results_order(ascending=True) OrderedObjectAdmin.ordering = ['-id', 'bool'] check_results_order() OrderedObjectAdmin.ordering = ['id', 'bool'] check_results_order(ascending=True) def test_dynamic_list_filter(self): """ Regression tests for ticket #17646: dynamic list_filter support. """ parent = Parent.objects.create(name='parent') for i in range(10): Child.objects.create(name='child %s' % i, parent=parent) user_noparents = self._create_superuser('noparents') user_parents = self._create_superuser('parents') # Test with user 'noparents' m = DynamicListFilterChildAdmin(Child, custom_site) request = self._mocked_authenticated_request('/child/', user_noparents) response = m.changelist_view(request) self.assertEqual(response.context_data['cl'].list_filter, ['name', 'age']) # Test with user 'parents' m = DynamicListFilterChildAdmin(Child, custom_site) request = self._mocked_authenticated_request('/child/', user_parents) response = m.changelist_view(request) self.assertEqual(response.context_data['cl'].list_filter, ('parent', 'name', 'age')) def test_dynamic_search_fields(self): child = self._create_superuser('child') m = DynamicSearchFieldsChildAdmin(Child, custom_site) request = self._mocked_authenticated_request('/child/', child) response = m.changelist_view(request) self.assertEqual(response.context_data['cl'].search_fields, ('name', 'age')) def test_pagination_page_range(self): """ Regression tests for ticket #15653: ensure the number of pages generated for changelist views are correct. """ # instantiating and setting up ChangeList object m = GroupAdmin(Group, custom_site) request = self.factory.get('/group/') cl = ChangeList(request, Group, *get_changelist_args(m)) per_page = cl.list_per_page = 10 for page_num, objects_count, expected_page_range in [ (0, per_page, []), (0, per_page * 2, list(range(2))), (5, per_page * 11, list(range(11))), (5, per_page * 12, [0, 1, 2, 3, 4, 5, 6, 7, 8, '.', 10, 11]), (6, per_page * 12, [0, 1, '.', 3, 4, 5, 6, 7, 8, 9, 10, 11]), (6, per_page * 13, [0, 1, '.', 3, 4, 5, 6, 7, 8, 9, '.', 11, 12]), ]: # assuming we have exactly `objects_count` objects Group.objects.all().delete() for i in range(objects_count): Group.objects.create(name='test band') # setting page number and calculating page range cl.page_num = page_num cl.get_results(request) real_page_range = pagination(cl)['page_range'] self.assertListEqual( expected_page_range, list(real_page_range), ) def test_object_tools_displayed_no_add_permission(self): """ When ModelAdmin.has_add_permission() returns False, the object-tools block is still shown. """ superuser = self._create_superuser('superuser') m = EventAdmin(Event, custom_site) request = self._mocked_authenticated_request('/event/', superuser) self.assertFalse(m.has_add_permission(request)) response = m.changelist_view(request) self.assertIn('