def test_no_next_on_last_page(self):
paginator = Paginator(SimplePaginatedModel.objects.all(), 2)
page = paginator.page(5)
self.assertTrue(page.has_previous())
self.assertFalse(page.has_next())
page = paginator.page(4)
self.assertTrue(page.has_previous())
self.assertTrue(page.has_next())
def test_no_previous_on_first_page(self):
with sleuth.watch('djangae.db.backends.appengine.commands.datastore.Query.Run') as query:
paginator = Paginator(SimplePaginatedModel.objects.all(), 2)
self.assertFalse(query.called)
page = paginator.page(1)
self.assertFalse(page.has_previous())
page = paginator.page(2)
self.assertTrue(page.has_previous())
def test_results_correct(self):
paginator = Paginator(SimplePaginatedModel.objects.all(), 2)
page = paginator.page(2)
self.assertEqual(page[0].field1, 2)
self.assertEqual(page[1].field1, 3)
page = paginator.page(3)
self.assertEqual(page[0].field1, 4)
self.assertEqual(page[1].field1, 5)
def test_page_runs_limited_query(self):
with sleuth.watch('djangae.db.backends.appengine.commands.datastore.Query.Run') as query:
paginator = Paginator(SimplePaginatedModel.objects.all(), 2)
self.assertFalse(query.called)
page = paginator.page(1)
self.assertFalse(page.has_previous())
self.assertTrue(page.has_next())
self.assertTrue(query.called)
# Should've queried for 1 more than we asked to determine if there is a next
# page or not
self.assertEqual(query.calls[0].kwargs["limit"], 3)
self.assertEqual(len(page.object_list), 2)
def test_num_pages_raises_error(self):
paginator = Paginator(SimplePaginatedModel.objects.all(), 2)
with self.assertRaises(NotImplementedError):
paginator.num_pages