django-rest-framework/rest_framework/tests/pagination.py

88 lines
3.2 KiB
Python

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.ListCreateAPIView):
"""
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 ListCreateAPIView 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(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(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:])