def test_single_page(self):
paginator = InfinitePaginator(Article.objects.all(), 100)
page = paginator.page(1)
self.assertEqual(page.number, 1)
self.assertFalse(page.has_next())
self.assertFalse(page.has_previous())
self.assertFalse(page.has_other_pages())
self.assertEqual(page.end_index(), 25)
def test_empty_page(self):
paginator = InfinitePaginator(Article.objects.none(), 100)
page = paginator.page(1)
self.assertEqual(page.object_list, [])
self.assertEqual(page.number, 1)
self.assertFalse(page.has_next())
self.assertFalse(page.has_previous())
self.assertFalse(page.has_other_pages())
self.assertEqual(page.end_index(), 0)
class InfinitePaginatorTestCase(TestCase):
def setUp(self):
for x in range(25):
Article.objects.create(title=str(x))
self.paginator = InfinitePaginator(Article.objects.all(), 10)
def tearDown(self):
Article.objects.all().delete()
def test_pagination(self):
page1 = self.paginator.page(1)
page2 = self.paginator.page(2)
page3 = self.paginator.page(3)
self.assertEqual(page1.object_list, list(Article.objects.all()[0:10]))
self.assertEqual(page2.object_list, list(Article.objects.all()[10:20]))
self.assertEqual(page3.object_list, list(Article.objects.all()[20:25]))
def test_first_page(self):
page = self.paginator.page(1)
self.assertEqual(page.number, 1)
self.assertTrue(page.has_next())
self.assertFalse(page.has_previous())
self.assertTrue(page.has_other_pages())
self.assertEqual(page.next_page_number(), 2)
self.assertEqual(page.end_index(), 10)
def test_second_page(self):
page = self.paginator.page(2)
self.assertEqual(page.number, 2)
self.assertTrue(page.has_next())
self.assertTrue(page.has_previous())
self.assertTrue(page.has_other_pages())
self.assertEqual(page.previous_page_number(), 1)
self.assertEqual(page.next_page_number(), 3)
self.assertEqual(page.end_index(), 20)
def test_last_page(self):
page = self.paginator.page(3)
self.assertEqual(page.number, 3)
self.assertFalse(page.has_next())
self.assertTrue(page.has_previous())
self.assertTrue(page.has_other_pages())
self.assertEqual(page.previous_page_number(), 2)
self.assertEqual(page.end_index(), 25)
def test_invalid_page(self):
self.assertRaises(EmptyPage, lambda: self.paginator.page(4))
def test_single_page(self):
paginator = InfinitePaginator(Article.objects.all(), 100)
page = paginator.page(1)
self.assertEqual(page.number, 1)
self.assertFalse(page.has_next())
self.assertFalse(page.has_previous())
self.assertFalse(page.has_other_pages())
self.assertEqual(page.end_index(), 25)
def test_empty_page(self):
paginator = InfinitePaginator(Article.objects.none(), 100)
page = paginator.page(1)
self.assertEqual(page.object_list, [])
self.assertEqual(page.number, 1)
self.assertFalse(page.has_next())
self.assertFalse(page.has_previous())
self.assertFalse(page.has_other_pages())
self.assertEqual(page.end_index(), 0)
