1 files changed, 87 insertions, 0 deletions
diff --git a/rest_framework/tests/pagination.py b/rest_framework/tests/pagination.py
new file mode 100644
index 00000000..9e424cc5
--- /dev/null
+++ b/rest_framework/tests/pagination.py
@@ -0,0 +1,87 @@
+from django.core.paginator import Paginator
+from django.test import TestCase
+from django.test.client import RequestFactory
+from rest_framework import generics, status, pagination
+from rest_framework.tests.models import BasicModel
+
+factory = RequestFactory()
+
+
+class RootView(generics.RootAPIView):
+    """
+    Example description for OPTIONS.
+    """
+    model = BasicModel
+    paginate_by = 10
+
+
+class IntegrationTestPagination(TestCase):
+    """
+    Integration tests for paginated list views.
+    """
+
+    def setUp(self):
+        """
+        Create 26 BasicModel intances.
+        """
+        for char in 'abcdefghijklmnopqrstuvwxyz':
+            BasicModel(text=char * 3).save()
+        self.objects = BasicModel.objects
+        self.data = [
+            {'id': obj.id, 'text': obj.text}
+            for obj in self.objects.all()
+        ]
+        self.view = RootView.as_view()
+
+    def test_get_paginated_root_view(self):
+        """
+        GET requests to paginated RootAPIView should return paginated results.
+        """
+        request = factory.get('/')
+        response = self.view(request).render()
+        self.assertEquals(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(response.data['count'], 26)
+        self.assertEquals(response.data['results'], self.data[:10])
+        self.assertNotEquals(response.data['next'], None)
+        self.assertEquals(response.data['previous'], None)
+
+        request = factory.get(response.data['next'])
+        response = self.view(request).render()
+        self.assertEquals(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(response.data['count'], 26)
+        self.assertEquals(response.data['results'], self.data[10:20])
+        self.assertNotEquals(response.data['next'], None)
+        self.assertNotEquals(response.data['previous'], None)
+
+        request = factory.get(response.data['next'])
+        response = self.view(request).render()
+        self.assertEquals(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(response.data['count'], 26)
+        self.assertEquals(response.data['results'], self.data[20:])
+        self.assertEquals(response.data['next'], None)
+        self.assertNotEquals(response.data['previous'], None)
+
+
+class UnitTestPagination(TestCase):
+    """
+    Unit tests for pagination of primative objects.
+    """
+
+    def setUp(self):
+        self.objects = [char * 3 for char in 'abcdefghijklmnopqrstuvwxyz']
+        paginator = Paginator(self.objects, 10)
+        self.first_page = paginator.page(1)
+        self.last_page = paginator.page(3)
+
+    def test_native_pagination(self):
+        serializer = pagination.PaginationSerializer(instance=self.first_page)
+        self.assertEquals(serializer.data['count'], 26)
+        self.assertEquals(serializer.data['next'], '?page=2')
+        self.assertEquals(serializer.data['previous'], None)
+        self.assertEquals(serializer.data['results'], self.objects[:10])
+
+        serializer = pagination.PaginationSerializer(instance=self.last_page)
+        self.assertEquals(serializer.data['count'], 26)
+        self.assertEquals(serializer.data['next'], None)
+        self.assertEquals(serializer.data['previous'], '?page=2')
+        self.assertEquals(serializer.data['results'], self.objects[20:])