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Refs #25513 -- Fixed admin pagination elision bounds. 

It doesn't make sense to elide a single page number which could be a
clickable link to that page. We only want to elide two or more pages.
This commit is contained in:
Nick Pope 2020-07-30 23:22:34 +01:00 committed by Carlton Gibson
parent b203ec70fd
commit f35840c196
2 changed files with 22 additions and 16 deletions
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4
django/contrib/admin/templatetags/admin_list.py
View File

@ -67,14 +67,14 @@ def pagination(cl):
# links at either end of the list of pages, and there are always
# ON_EACH_SIDE links at either end of the "current page" link.
page_range = []
if page_num > (1 + ON_EACH_SIDE + ON_ENDS):
if page_num > (1 + ON_EACH_SIDE + ON_ENDS) + 1:
page_range += [
*range(1, ON_ENDS + 1), DOT,
*range(page_num - ON_EACH_SIDE, page_num + 1),
]
else:
page_range.extend(range(1, page_num + 1))
if page_num < (paginator.num_pages - ON_EACH_SIDE - ON_ENDS):
if page_num < (paginator.num_pages - ON_EACH_SIDE - ON_ENDS) - 1:
page_range += [
*range(page_num + 1, page_num + ON_EACH_SIDE + 1), DOT,
*range(paginator.num_pages - ON_ENDS + 1, paginator.num_pages + 1)

34
tests/admin_changelist/tests.py
View File

@ -1246,22 +1246,28 @@ class ChangeListTests(TestCase):
for page_num, objects_count, expected_page_range in [
(1, per_page, []),
(1, per_page * 2, list(range(1, 3))),
(6, per_page * 11, list(range(1, 12))),
(6, per_page * 12, [1, 2, 3, 4, 5, 6, 7, 8, 9, '.', 11, 12]),
(7, per_page * 12, [1, 2, '.', 4, 5, 6, 7, 8, 9, 10, 11, 12]),
(7, per_page * 13, [1, 2, '.', 4, 5, 6, 7, 8, 9, 10, '.', 12, 13]),
(1, per_page * 2, [1, 2]),
(6, per_page * 11, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]),
(6, per_page * 12, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]),
(6, per_page * 13, [1, 2, 3, 4, 5, 6, 7, 8, 9, '.', 12, 13]),
(7, per_page * 12, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]),
(7, per_page * 13, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]),
(7, per_page * 14, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, '.', 13, 14]),
(8, per_page * 13, [1, 2, '.', 5, 6, 7, 8, 9, 10, 11, 12, 13]),
(8, per_page * 14, [1, 2, '.', 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]),
(8, per_page * 15, [1, 2, '.', 5, 6, 7, 8, 9, 10, 11, '.', 14, 15]),
]:
# assuming we have exactly `objects_count` objects
Group.objects.all().delete()
for i in range(objects_count):
Group.objects.create(name='test band')
with self.subTest(number=number, pages=pages):
# assuming 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, list(real_page_range))
# 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, list(real_page_range))
def test_object_tools_displayed_no_add_permission(self):
"""