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, admin.site)
# 200 is the max we'll pass to ChangeList
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, 200,
m.list_editable, 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, admin.site)
# 30 is the max we'll pass to ChangeList for this test
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, 30,
m.list_editable, m)
cl.get_results(request)
self.assertEqual(len(cl.result_list), 10)
def test_filter_none(self):
request = RequestFactory().get("/person/")
request.user = AnonymousUser()
cl = ChangeList(request, models.Person, *self.get_changelist_args())
cl.get_results(request)
self.assertEqual(list(cl.result_list),
list(models.Person.objects.all()))
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_filter_none(self):
request = RequestFactory().get('/person/')
request.user = AnonymousUser()
cl = ChangeList(request, models.Person, *self.get_changelist_args())
cl.get_results(request)
self.assertEqual(
list(cl.result_list), list(models.Person.objects.all()))
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,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_max_show_all,
m.list_editable,
m,
)
cl.get_results(request)
# There's only one Group instance
self.assertEqual(cl.result_count, 1)
def test_custom_paginator(self):
new_parent = Parent.objects.create(name="parent")
for i in range(200):
new_child = Child.objects.create(name="name %s" % i, parent=new_parent)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
m.list_display = ["id", "name", "parent"]
m.list_display_links = ["id"]
m.list_editable = ["name"]
m.paginator = CustomPaginator
cl = ChangeList(
request,
Child,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_editable,
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 apper 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, admin.site)
cl = ChangeList(
MockFilteredRequestA(),
Band,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_editable,
m,
)
cl.get_results(MockFilteredRequestA())
# 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 apper 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, admin.site)
cl = ChangeList(
MockFilteredRequestB(),
Group,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_editable,
m,
)
cl.get_results(MockFilteredRequestB())
# There's only one Group instance
self.assertEqual(cl.result_count, 1)
def test_filter_country(self):
request = RequestFactory().get("/person/", data={"country": "NZ"})
request.user = AnonymousUser()
cl = ChangeList(request, models.Person, *self.get_changelist_args())
cl.get_results(request)
self.assertEqual(list(cl.result_list),
list(models.Person.objects.exclude(country="AU")))
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,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_max_show_all,
m.list_editable,
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 apper 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, admin.site)
cl = ChangeList(
MockFilteredRequestB(),
Quartet,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_editable,
m,
)
cl.get_results(MockFilteredRequestB())
# There's only one Quartet instance
self.assertEqual(cl.result_count, 1)
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,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_max_show_all,
m.list_editable,
m,
)
cl.get_results(request)
self.assertIsInstance(cl.paginator, CustomPaginator)
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, admin.site)
# 200 is the max we'll pass to ChangeList
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, 200, m.list_editable, 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, admin.site)
# 30 is the max we'll pass to ChangeList for this test
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, 30, m.list_editable, m)
cl.get_results(request)
self.assertEqual(len(cl.result_list), 10)
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 apper 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, admin.site)
cl = ChangeList(
MockFilteredRequestB(),
ChordsBand,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_editable,
m,
)
cl.get_results(MockFilteredRequestB())
# There's only one ChordsBand 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, admin.site)
request = self.factory.get('/concert/',
data={'group__members': lead.pk})
cl = ChangeList(request, Concert, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
# There's only one Concert instance
self.assertEqual(cl.result_count, 1)
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_filter_country(self):
request = RequestFactory().get('/person/', data={'country': 'NZ'})
cl = ChangeList(request, models.Person, *self.get_changelist_args())
cl.get_results(request)
self.assertEqual(
list(cl.result_list),
list(models.Person.objects.exclude(country='AU'))
)
def test_filter_country(self):
request = RequestFactory().get("/person/", data={"country": "NZ"})
request.user = AnonymousUser()
cl = ChangeList(request, models.Person, *self.get_changelist_args())
cl.get_results(request)
self.assertEqual(
list(cl.result_list), list(models.Person.objects.exclude(country="AU"))
)
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_custom_paginator(self):
new_parent = Parent.objects.create(name='parent')
for i in range(200):
new_child = Child.objects.create(name='name %s' % i, parent=new_parent)
request = self.factory.get('/child/')
m = CustomPaginationAdmin(Child, admin.site)
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
self.assertIsInstance(cl.paginator, CustomPaginator)
def test_custom_paginator(self):
new_parent = Parent.objects.create(name='parent')
for i in range(200):
new_child = Child.objects.create(name='name %s' % i, parent=new_parent)
request = self.factory.get('/child/')
m = ChildAdmin(Child, admin.site)
m.list_display = ['id', 'name', 'parent']
m.list_display_links = ['id']
m.list_editable = ['name']
m.paginator = CustomPaginator
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page, m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
self.assertIsInstance(cl.paginator, CustomPaginator)
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_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,
m.list_display,
m.list_display_links,
m.list_filter,
m.date_hierarchy,
m.search_fields,
m.list_select_related,
m.list_per_page,
m.list_max_show_all,
m.list_editable,
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_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_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_custom_paginator(self):
new_parent = Parent.objects.create(name='parent')
for i in range(200):
new_child = Child.objects.create(name='name %s' % i,
parent=new_parent)
request = MockRequest()
m = ChildAdmin(Child, admin.site)
m.list_display = ['id', 'name', 'parent']
m.list_display_links = ['id']
m.list_editable = ['name']
m.paginator = CustomPaginator
cl = ChangeList(request, Child, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page,
m.list_editable, m)
cl.get_results(request)
self.assertIsInstance(cl.paginator, CustomPaginator)
def test_distinct_for_through_m2m_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper 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, admin.site)
cl = ChangeList(MockFilteredRequestB(), Group, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related,
m.list_per_page, m.list_editable, m)
cl.get_results(MockFilteredRequestB())
# 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 apper 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, admin.site)
cl = ChangeList(MockFilteredRequestB(), Quartet, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related,
m.list_per_page, m.list_editable, m)
cl.get_results(MockFilteredRequestB())
# There's only one Quartet instance
self.assertEqual(cl.result_count, 1)
def test_distinct_for_m2m_in_list_filter(self):
"""
Regression test for #13902: When using a ManyToMany in list_filter,
results shouldn't apper 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, admin.site)
cl = ChangeList(MockFilteredRequestA(), Band, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related,
m.list_per_page, m.list_editable, m)
cl.get_results(MockFilteredRequestA())
# There's only one Group 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 apper 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, admin.site)
cl = ChangeList(MockFilteredRequestB(), ChordsBand, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related,
m.list_per_page, m.list_editable, m)
cl.get_results(MockFilteredRequestB())
# There's only one ChordsBand 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 apper 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, admin.site)
request = self.factory.get('/group/', data={'members': lead.pk})
cl = ChangeList(request, Group, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
# There's only one Group 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 apper 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, admin.site)
request = self.factory.get('/quartet/', data={'members': lead.pk})
cl = ChangeList(request, Quartet, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
# There's only one Quartet instance
self.assertEqual(cl.result_count, 1)
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, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
# There's only one Group 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 apper 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, admin.site)
request = self.factory.get('/chordsband/', data={'members': lead.pk})
cl = ChangeList(request, ChordsBand, m.list_display,
m.list_display_links, m.list_filter, m.date_hierarchy,
m.search_fields, m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
cl.get_results(request)
# There's only one ChordsBand instance
self.assertEqual(cl.result_count, 1)
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, admin.site)
request = self.factory.get('/group/')
cl = ChangeList(request, Group, m.list_display, m.list_display_links,
m.list_filter, m.date_hierarchy, m.search_fields,
m.list_select_related, m.list_per_page,
m.list_max_show_all, m.list_editable, m)
per_page = cl.list_per_page = 10
for page_num, objects_count, expected_page_range in [
(0, per_page, []),
(0, per_page * 2, 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.assertEqual(
expected_page_range,
real_page_range,
)
