def test_middle_page_huge_count(self):
page = Paginator([*range(5 * 100)], 5).page(50)
pager = PagerContext(page)
self.assertEqual(100, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(100, pager.last)
self.assertEqual(50, pager.current)
self.assertEqual(51, pager.next)
self.assertEqual(49, pager.previous)
# <previous|1|...|49|50|51|...|100|next>
self.assertPagerLinks([
PagerLink(49, label=_('Previous page'), group='previous'),
PagerLink(1, help=_('To first page')),
PagerLink(48, help=_('To another page'), group='choose'),
PagerLink(49, label='49'),
PagerLink(50, label='50', is_current=True),
PagerLink(51, label='51'),
PagerLink(52, help=_('To another page'), group='choose'),
PagerLink(100, help=_('To last page')),
PagerLink(51, label=_('Next page'), group='next')
], pager.links)
def test_middle_page(self):
page = Paginator([*range(5 * 10)], 5).page(5)
pager = PagerContext(page)
self.assertEqual(10, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(10, pager.last)
self.assertEqual(5, pager.current)
self.assertEqual(6, pager.next)
self.assertEqual(4, pager.previous)
# <previous|1|...|4|5|6|...|10|next>
self.assertPagerLinks([
PagerLink(4, label=_('Previous page'), group='previous'),
PagerLink(1, help=_('To first page')),
PagerLink(3, help=_('To another page'), group='choose'),
PagerLink(4, label='4'),
PagerLink(5, label='5', is_current=True),
PagerLink(6, label='6'),
PagerLink(7, help=_('To another page'), group='choose'),
PagerLink(10, help=_('To last page')),
PagerLink(6, label=_('Next page'), group='next')
], pager.links)
def test_single_page(self):
page = Paginator([1, 2], 10).page(1)
pager = PagerContext(page)
self.assertEqual(1, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(1, pager.last)
self.assertEqual(1, pager.current)
self.assertIsNone(pager.next)
self.assertIsNone(pager.previous)
# <previous|1|next>
self.assertPagerLinks([
PagerLink(None, label=_('Previous page'), group='previous', enabled=False),
PagerLink(1, label='1', is_current=True),
PagerLink(None, label=_('Next page'), group='next', enabled=False)
], pager.links)
def test_under_show_all_limit(self):
page = Paginator([*range(5 * 3)], 5).page(2)
pager = PagerContext(page)
self.assertEqual(3, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(3, pager.last)
self.assertEqual(2, pager.current)
self.assertEqual(3, pager.next)
self.assertEqual(1, pager.previous)
# <previous|1|2|3|next>
self.assertPagerLinks([
PagerLink(1, label=_('Previous page'), group='previous'),
PagerLink(1, label='1'),
PagerLink(2, label='2', is_current=True),
PagerLink(3, label='3'),
PagerLink(3, label=_('Next page'), group='next')
], pager.links)
def test_lastpage_under_show_all_limit(self):
page = Paginator(list(range(5 * 3)), 5).page(3)
pager = PagerContext(page)
self.assertEqual(3, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(3, pager.last)
self.assertEqual(3, pager.current)
self.assertIsNone(pager.next)
self.assertEqual(2, pager.previous)
# <previous|1|2|3|next>
self.assertPagerLinks([
PagerLink(2, label=_(u'Previous page'), group='previous'),
PagerLink(1, label=u'1'),
PagerLink(2, label=u'2'),
PagerLink(3, label=u'3', is_current=True),
PagerLink(None, label=_(u'Next page'), group='next', enabled=False)
], pager.links)
def test_under_show_last_limit(self):
page = Paginator([*range(5 * 10)], 5).page(8)
pager = PagerContext(page)
self.assertEqual(10, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(10, pager.last)
self.assertEqual(8, pager.current)
self.assertEqual(9, pager.next)
self.assertEqual(7, pager.previous)
# <previous|1|...|7|8|9|10|next>
self.assertPagerLinks([
PagerLink(7, label=_('Previous page'), group='previous'),
PagerLink(1, help=_('To first page')),
PagerLink(6, help=_('To another page'), group='choose'),
PagerLink(7, label='7'),
PagerLink(8, label='8', is_current=True),
PagerLink(9, label='9'),
PagerLink(10, label='10'),
PagerLink(9, label=_('Next page'), group='next')
], pager.links)
def test_under_show_first_limit(self):
page = Paginator([*range(5 * 10)], 5).page(3)
pager = PagerContext(page)
self.assertEqual(10, pager.count)
self.assertEqual(1, pager.first)
self.assertEqual(10, pager.last)
self.assertEqual(3, pager.current)
self.assertEqual(4, pager.next)
self.assertEqual(2, pager.previous)
# <previous|1|2|3|4|...|10|next>
self.assertPagerLinks([
PagerLink(2, label=_('Previous page'), group='previous'),
PagerLink(1, label='1'),
PagerLink(2, label='2'),
PagerLink(3, label='3', is_current=True),
PagerLink(4, label='4'),
PagerLink(5, help=_('To another page'), group='choose'),
PagerLink(10, help=_('To last page')),
PagerLink(4, label=_('Next page'), group='next')
], pager.links)