def pagination_class(self):
return CustomPagination(
default_limit=len(CATEGORY_CHOICES_DICT))
def setUp(self):
self.url = '/api/whatever'
self.paginator = CustomPagination()
def pagination_class(self):
return CustomPagination(
default_limit=len(REGIONS_CHOICES_SLUG))
class TestPaginatorMeta(TestCase):
def setUp(self):
self.url = '/api/whatever'
self.paginator = CustomPagination()
def get_serialized_data(self, page):
return self.paginator.get_paginated_response(page).data['meta']
def req(self, **kwargs):
self.request = Request(RequestFactory().get(self.url, kwargs))
def test_simple(self):
data = ['a', 'b', 'c']
per_page = 3
self.req(limit=per_page)
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
eq_(serialized['offset'], 0)
eq_(serialized['next'], None)
eq_(serialized['previous'], None)
eq_(serialized['total_count'], len(data))
eq_(serialized['limit'], per_page)
def test_first_page_of_two(self):
data = ['a', 'b', 'c', 'd', 'e']
per_page = 3
self.req(limit=per_page)
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
eq_(serialized['offset'], 0)
eq_(serialized['total_count'], len(data))
eq_(serialized['limit'], per_page)
eq_(serialized['previous'], None)
next = urlparse(serialized['next'])
eq_(next.path, self.url)
eq_(QueryDict(next.query), QueryDict('limit=3&offset=3'))
def test_third_page_of_four(self):
data = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
per_page = 2
self.req(limit=per_page, offset=4)
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
# Third page will begin after fourth item
# (per_page * number of pages before) item.
eq_(serialized['offset'], 4)
eq_(serialized['total_count'], len(data))
eq_(serialized['limit'], per_page)
prev = urlparse(serialized['previous'])
eq_(prev.path, self.url)
eq_(QueryDict(prev.query), QueryDict('limit=2&offset=2'))
next = urlparse(serialized['next'])
eq_(next.path, self.url)
eq_(QueryDict(next.query), QueryDict('limit=2&offset=6'))
def test_fourth_page_of_four(self):
data = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
per_page = 2
self.req(limit=per_page, offset=6)
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
# Third page will begin after fourth item
# (per_page * number of pages before) item.
eq_(serialized['offset'], 6)
eq_(serialized['total_count'], len(data))
eq_(serialized['limit'], per_page)
prev = urlparse(serialized['previous'])
eq_(prev.path, self.url)
eq_(QueryDict(prev.query), QueryDict('limit=2&offset=4'))
eq_(serialized['next'], None)
def test_with_request_path_override_existing_params(self):
self.url = '/api/whatever/?limit=2&offset=2&extra=n&superfluous=yes'
self.request = Request(RequestFactory().get(self.url))
data = ['a', 'b', 'c', 'd', 'e', 'f']
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
eq_(serialized['offset'], 2)
eq_(serialized['total_count'], len(data))
eq_(serialized['limit'], 2)
prev = urlparse(serialized['previous'])
eq_(prev.path, '/api/whatever/')
eq_(QueryDict(prev.query),
QueryDict('limit=2&extra=n&superfluous=yes'))
next = urlparse(serialized['next'])
eq_(next.path, '/api/whatever/')
eq_(QueryDict(next.query),
QueryDict('limit=2&offset=4&extra=n&superfluous=yes'))
def test_urlencoded_query_string(self):
self.url = '/api/whatever/yó'
data = ['a', 'b', 'c', 'd', 'e', 'f']
self.req(limit=1)
page = self.paginator.paginate_queryset(data, self.request)
serialized = self.get_serialized_data(page)
assert '/y%C3%B3?' in serialized['next']
