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Merge pull request #3015 from strixcuriosus/limit-offset-pagination-link-urls

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Include correct limits in LimitOffsetPagination link urls
This commit is contained in:
Tom Christie 2015-06-05 20:37:04 +01:00
commit 6651432d59
2 changed files with 29 additions and 0 deletions
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3
rest_framework/pagination.py
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@ -431,6 +431,8 @@ class LimitOffsetPagination(BasePagination):
return None
url = self.request.build_absolute_uri()
url = replace_query_param(url, self.limit_query_param, self.limit)
offset = self.offset + self.limit
return replace_query_param(url, self.offset_query_param, offset)
@ -439,6 +441,7 @@ class LimitOffsetPagination(BasePagination):
return None
url = self.request.build_absolute_uri()
url = replace_query_param(url, self.limit_query_param, self.limit)
if self.offset - self.limit <= 0:
return remove_query_param(url, self.offset_query_param)

26
tests/test_pagination.py
View File

@ -287,6 +287,8 @@ class TestLimitOffset:
def setup(self):
class ExamplePagination(pagination.LimitOffsetPagination):
default_limit = 10
max_limit = 15
self.pagination = ExamplePagination()
self.queryset = range(1, 101)
@ -442,7 +444,31 @@ class TestLimitOffset:
"""
request = Request(factory.get('/', {'limit': 'invalid', 'offset': 0}))
queryset = self.paginate_queryset(request)
content = self.get_paginated_content(queryset)
next_limit = self.pagination.default_limit
next_offset = self.pagination.default_limit
next_url = 'http://testserver/?limit={0}&offset={1}'.format(next_limit, next_offset)
assert queryset == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert content.get('next') == next_url
def test_max_limit(self):
"""
The limit defaults to the max_limit when there is a max_limit and the
requested limit is greater than the max_limit
"""
offset = 50
request = Request(factory.get('/', {'limit': '11235', 'offset': offset}))
queryset = self.paginate_queryset(request)
content = self.get_paginated_content(queryset)
max_limit = self.pagination.max_limit
next_offset = offset + max_limit
prev_offset = offset - max_limit
base_url = 'http://testserver/?limit={0}'.format(max_limit)
next_url = base_url + '&offset={0}'.format(next_offset)
prev_url = base_url + '&offset={0}'.format(prev_offset)
assert queryset == list(range(51, 66))
assert content.get('next') == next_url
assert content.get('previous') == prev_url
class TestCursorPagination: