def test_paginator(self): """pages share first and last items with each other""" items = [i + 1 for i in range(30)] paginator = PostsPaginator(items, 5) self.assertEqual(paginator.num_pages, 8) self.assertEqual(paginator.page(1).object_list, [1, 2, 3, 4, 5]) self.assertEqual(paginator.page(2).object_list, [5, 6, 7, 8, 9]) self.assertEqual(paginator.page(3).object_list, [9, 10, 11, 12, 13]) self.assertEqual(paginator.page(4).object_list, [13, 14, 15, 16, 17]) self.assertEqual(paginator.page(5).object_list, [17, 18, 19, 20, 21]) self.assertEqual(paginator.page(6).object_list, [21, 22, 23, 24, 25]) self.assertEqual(paginator.page(7).object_list, [25, 26, 27, 28, 29]) self.assertEqual(paginator.page(8).object_list, [29, 30])
def test_paginator_orphans(self): """paginator handles orphans""" items = [i + 1 for i in range(20)] paginator = PostsPaginator(items, 8, 6) self.assertEqual(paginator.num_pages, 2) self.assertEqual( paginator.page(1).object_list, [1, 2, 3, 4, 5, 6, 7, 8]) self.assertEqual( paginator.page(2).object_list, [8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]) paginator = PostsPaginator(items, 8, 4) self.assertEqual(paginator.num_pages, 3) self.assertEqual( paginator.page(1).object_list, [1, 2, 3, 4, 5, 6, 7, 8]) self.assertEqual( paginator.page(2).object_list, [8, 9, 10, 11, 12, 13, 14, 15]) self.assertEqual( paginator.page(3).object_list, [15, 16, 17, 18, 19, 20]) paginator = PostsPaginator(items, 8, 6) self.assertEqual(paginator.num_pages, 2) self.assertEqual( paginator.page(1).object_list, [1, 2, 3, 4, 5, 6, 7, 8]) self.assertEqual( paginator.page(2).object_list, [8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]) paginator = PostsPaginator(items, 6, 5) self.assertEqual(paginator.num_pages, 3) self.assertEqual(paginator.page(1).object_list, [1, 2, 3, 4, 5, 6]) self.assertEqual(paginator.page(2).object_list, [6, 7, 8, 9, 10, 11]) self.assertEqual( paginator.page(3).object_list, [11, 12, 13, 14, 15, 16, 17, 18, 19, 20])