Push tests for nulls

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ddelange 2023-03-23 14:11:55 +01:00
parent a1866b329e
commit b089edcd06
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@ -1110,12 +1110,12 @@ class TestCursorPaginationWithNulls(TestCase):
get_pages = TestCursorPagination.get_pages
def test_ascending(self):
"""Test paginating one row at a time, current should go 1, 2, 3, 4, 3, 2, 1."""
(previous, current, next, previous_url, next_url) = self.get_pages('/')
assert previous is None
assert current == [None]
assert next == [None]
assert previous_url is None
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
@ -1153,7 +1153,56 @@ class TestCursorPaginationWithNulls(TestCase):
assert previous is None
assert current == [None]
assert next == [None]
assert previous_url is None
def test_decending(self):
"""Test paginating one row at a time, current should go 4, 3, 2, 1, 2, 3, 4."""
self.pagination.ordering = ('-created',)
(previous, current, next, previous_url, next_url) = self.get_pages('/')
assert previous is None
assert current == [4]
assert next == [3]
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
assert previous == [None] # [4] paging artifact
assert current == [3]
assert next == [None]
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
assert previous == [None] # [3] paging artifact
assert current == [None]
assert next == [None]
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
assert previous == [None]
assert current == [None]
assert next is None
assert next_url is None
(previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
assert previous == [3]
assert current == [None]
assert next == [None]
(previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
assert previous == [None]
assert current == [3]
assert next == [3] # [4] paging artifact documented at https://github.com/ddelange/django-rest-framework/blob/3.14.0/rest_framework/pagination.py#L731
# skip back artifact
(previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
(previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
(previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
assert previous is None
assert current == [4]
assert next == [3]
def test_get_displayed_page_numbers():