mirror of
https://github.com/encode/django-rest-framework.git
synced 2025-11-04 01:47:59 +03:00
695 lines
24 KiB
Python
695 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import json
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import re
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from collections import MutableMapping, OrderedDict
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import pytest
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from django.conf.urls import include, url
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from django.core.cache import cache
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from django.db import models
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from django.http.request import HttpRequest
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from django.test import TestCase, override_settings
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from django.utils import six
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from django.utils.safestring import SafeText
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from django.utils.translation import ugettext_lazy as _
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from rest_framework import permissions, serializers, status
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from rest_framework.renderers import (
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AdminRenderer, BaseRenderer, BrowsableAPIRenderer,
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HTMLFormRenderer, JSONRenderer, StaticHTMLRenderer
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)
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from rest_framework.request import Request
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from rest_framework.response import Response
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from rest_framework.settings import api_settings
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from rest_framework.test import APIRequestFactory
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from rest_framework.views import APIView
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DUMMYSTATUS = status.HTTP_200_OK
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DUMMYCONTENT = 'dummycontent'
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def RENDERER_A_SERIALIZER(x):
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return ('Renderer A: %s' % x).encode('ascii')
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def RENDERER_B_SERIALIZER(x):
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return ('Renderer B: %s' % x).encode('ascii')
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expected_results = [
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((elem for elem in [1, 2, 3]), JSONRenderer, b'[1,2,3]') # Generator
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]
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class DummyTestModel(models.Model):
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name = models.CharField(max_length=42, default='')
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class BasicRendererTests(TestCase):
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def test_expected_results(self):
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for value, renderer_cls, expected in expected_results:
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output = renderer_cls().render(value)
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self.assertEqual(output, expected)
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class RendererA(BaseRenderer):
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media_type = 'mock/renderera'
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format = "formata"
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def render(self, data, media_type=None, renderer_context=None):
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return RENDERER_A_SERIALIZER(data)
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class RendererB(BaseRenderer):
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media_type = 'mock/rendererb'
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format = "formatb"
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def render(self, data, media_type=None, renderer_context=None):
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return RENDERER_B_SERIALIZER(data)
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class MockView(APIView):
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renderer_classes = (RendererA, RendererB)
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def get(self, request, **kwargs):
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response = Response(DUMMYCONTENT, status=DUMMYSTATUS)
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return response
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class MockGETView(APIView):
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def get(self, request, **kwargs):
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return Response({'foo': ['bar', 'baz']})
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class MockPOSTView(APIView):
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def post(self, request, **kwargs):
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return Response({'foo': request.data})
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class EmptyGETView(APIView):
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renderer_classes = (JSONRenderer,)
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def get(self, request, **kwargs):
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return Response(status=status.HTTP_204_NO_CONTENT)
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class HTMLView(APIView):
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renderer_classes = (BrowsableAPIRenderer, )
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def get(self, request, **kwargs):
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return Response('text')
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class HTMLView1(APIView):
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renderer_classes = (BrowsableAPIRenderer, JSONRenderer)
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def get(self, request, **kwargs):
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return Response('text')
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urlpatterns = [
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url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
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url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
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url(r'^cache$', MockGETView.as_view()),
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url(r'^parseerror$', MockPOSTView.as_view(renderer_classes=[JSONRenderer, BrowsableAPIRenderer])),
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url(r'^html$', HTMLView.as_view()),
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url(r'^html1$', HTMLView1.as_view()),
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url(r'^empty$', EmptyGETView.as_view()),
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url(r'^api', include('rest_framework.urls', namespace='rest_framework'))
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]
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class POSTDeniedPermission(permissions.BasePermission):
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def has_permission(self, request, view):
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return request.method != 'POST'
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class POSTDeniedView(APIView):
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renderer_classes = (BrowsableAPIRenderer,)
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permission_classes = (POSTDeniedPermission,)
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def get(self, request):
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return Response()
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def post(self, request):
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return Response()
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def put(self, request):
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return Response()
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def patch(self, request):
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return Response()
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class DocumentingRendererTests(TestCase):
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def test_only_permitted_forms_are_displayed(self):
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view = POSTDeniedView.as_view()
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request = APIRequestFactory().get('/')
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response = view(request).render()
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self.assertNotContains(response, '>POST<')
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self.assertContains(response, '>PUT<')
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self.assertContains(response, '>PATCH<')
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@override_settings(ROOT_URLCONF='tests.test_renderers')
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class RendererEndToEndTests(TestCase):
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"""
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End-to-end testing of renderers using an RendererMixin on a generic view.
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"""
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def test_default_renderer_serializes_content(self):
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"""If the Accept header is not set the default renderer should serialize the response."""
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resp = self.client.get('/')
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self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_head_method_serializes_no_content(self):
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"""No response must be included in HEAD requests."""
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resp = self.client.head('/')
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, six.b(''))
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def test_default_renderer_serializes_content_on_accept_any(self):
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"""If the Accept header is set to */* the default renderer should serialize the response."""
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resp = self.client.get('/', HTTP_ACCEPT='*/*')
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self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_default_case(self):
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"""If the Accept header is set the specified renderer should serialize the response.
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(In this case we check that works for the default renderer)"""
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resp = self.client.get('/', HTTP_ACCEPT=RendererA.media_type)
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self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_non_default_case(self):
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"""If the Accept header is set the specified renderer should serialize the response.
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(In this case we check that works for a non-default renderer)"""
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resp = self.client.get('/', HTTP_ACCEPT=RendererB.media_type)
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self.assertEqual(resp['Content-Type'], RendererB.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_unsatisfiable_accept_header_on_request_returns_406_status(self):
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"""If the Accept header is unsatisfiable we should return a 406 Not Acceptable response."""
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resp = self.client.get('/', HTTP_ACCEPT='foo/bar')
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self.assertEqual(resp.status_code, status.HTTP_406_NOT_ACCEPTABLE)
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def test_specified_renderer_serializes_content_on_format_query(self):
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"""If a 'format' query is specified, the renderer with the matching
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format attribute should serialize the response."""
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param = '?%s=%s' % (
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api_settings.URL_FORMAT_OVERRIDE,
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RendererB.format
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)
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resp = self.client.get('/' + param)
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self.assertEqual(resp['Content-Type'], RendererB.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_on_format_kwargs(self):
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"""If a 'format' keyword arg is specified, the renderer with the matching
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format attribute should serialize the response."""
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resp = self.client.get('/something.formatb')
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self.assertEqual(resp['Content-Type'], RendererB.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_is_used_on_format_query_with_matching_accept(self):
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"""If both a 'format' query and a matching Accept header specified,
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the renderer with the matching format attribute should serialize the response."""
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param = '?%s=%s' % (
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api_settings.URL_FORMAT_OVERRIDE,
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RendererB.format
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)
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resp = self.client.get('/' + param,
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HTTP_ACCEPT=RendererB.media_type)
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self.assertEqual(resp['Content-Type'], RendererB.media_type + '; charset=utf-8')
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self.assertEqual(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEqual(resp.status_code, DUMMYSTATUS)
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def test_parse_error_renderers_browsable_api(self):
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"""Invalid data should still render the browsable API correctly."""
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resp = self.client.post('/parseerror', data='foobar', content_type='application/json', HTTP_ACCEPT='text/html')
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self.assertEqual(resp['Content-Type'], 'text/html; charset=utf-8')
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self.assertEqual(resp.status_code, status.HTTP_400_BAD_REQUEST)
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def test_204_no_content_responses_have_no_content_type_set(self):
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"""
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Regression test for #1196
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https://github.com/encode/django-rest-framework/issues/1196
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"""
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resp = self.client.get('/empty')
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self.assertEqual(resp.get('Content-Type', None), None)
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self.assertEqual(resp.status_code, status.HTTP_204_NO_CONTENT)
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def test_contains_headers_of_api_response(self):
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"""
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Issue #1437
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Test we display the headers of the API response and not those from the
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HTML response
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"""
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resp = self.client.get('/html1')
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self.assertContains(resp, '>GET, HEAD, OPTIONS<')
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self.assertContains(resp, '>application/json<')
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self.assertNotContains(resp, '>text/html; charset=utf-8<')
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_flat_repr = '{"foo":["bar","baz"]}'
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_indented_repr = '{\n "foo": [\n "bar",\n "baz"\n ]\n}'
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def strip_trailing_whitespace(content):
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"""
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Seems to be some inconsistencies re. trailing whitespace with
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different versions of the json lib.
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"""
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return re.sub(' +\n', '\n', content)
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class BaseRendererTests(TestCase):
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"""
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Tests BaseRenderer
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"""
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def test_render_raise_error(self):
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"""
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BaseRenderer.render should raise NotImplementedError
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"""
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with pytest.raises(NotImplementedError):
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BaseRenderer().render('test')
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class JSONRendererTests(TestCase):
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"""
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Tests specific to the JSON Renderer
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"""
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def test_render_lazy_strings(self):
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"""
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JSONRenderer should deal with lazy translated strings.
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"""
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ret = JSONRenderer().render(_('test'))
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self.assertEqual(ret, b'"test"')
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def test_render_queryset_values(self):
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o = DummyTestModel.objects.create(name='dummy')
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qs = DummyTestModel.objects.values('id', 'name')
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ret = JSONRenderer().render(qs)
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data = json.loads(ret.decode('utf-8'))
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self.assertEqual(data, [{'id': o.id, 'name': o.name}])
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def test_render_queryset_values_list(self):
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o = DummyTestModel.objects.create(name='dummy')
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qs = DummyTestModel.objects.values_list('id', 'name')
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ret = JSONRenderer().render(qs)
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data = json.loads(ret.decode('utf-8'))
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self.assertEqual(data, [[o.id, o.name]])
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def test_render_dict_abc_obj(self):
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class Dict(MutableMapping):
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def __init__(self):
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self._dict = dict()
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def __getitem__(self, key):
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return self._dict.__getitem__(key)
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def __setitem__(self, key, value):
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return self._dict.__setitem__(key, value)
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def __delitem__(self, key):
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return self._dict.__delitem__(key)
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def __iter__(self):
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return self._dict.__iter__()
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def __len__(self):
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return self._dict.__len__()
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def keys(self):
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return self._dict.keys()
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x = Dict()
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x['key'] = 'string value'
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x[2] = 3
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ret = JSONRenderer().render(x)
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data = json.loads(ret.decode('utf-8'))
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self.assertEqual(data, {'key': 'string value', '2': 3})
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def test_render_obj_with_getitem(self):
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class DictLike(object):
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def __init__(self):
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self._dict = {}
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def set(self, value):
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self._dict = dict(value)
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def __getitem__(self, key):
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return self._dict[key]
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x = DictLike()
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x.set({'a': 1, 'b': 'string'})
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with self.assertRaises(TypeError):
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JSONRenderer().render(x)
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def test_without_content_type_args(self):
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"""
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Test basic JSON rendering.
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"""
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obj = {'foo': ['bar', 'baz']}
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renderer = JSONRenderer()
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content = renderer.render(obj, 'application/json')
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# Fix failing test case which depends on version of JSON library.
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self.assertEqual(content.decode('utf-8'), _flat_repr)
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def test_with_content_type_args(self):
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"""
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Test JSON rendering with additional content type arguments supplied.
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"""
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obj = {'foo': ['bar', 'baz']}
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renderer = JSONRenderer()
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content = renderer.render(obj, 'application/json; indent=2')
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self.assertEqual(strip_trailing_whitespace(content.decode('utf-8')), _indented_repr)
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class UnicodeJSONRendererTests(TestCase):
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"""
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Tests specific for the Unicode JSON Renderer
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"""
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def test_proper_encoding(self):
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obj = {'countries': ['United Kingdom', 'France', 'España']}
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renderer = JSONRenderer()
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content = renderer.render(obj, 'application/json')
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self.assertEqual(content, '{"countries":["United Kingdom","France","España"]}'.encode('utf-8'))
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def test_u2028_u2029(self):
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# The \u2028 and \u2029 characters should be escaped,
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# even when the non-escaping unicode representation is used.
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# Regression test for #2169
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obj = {'should_escape': '\u2028\u2029'}
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renderer = JSONRenderer()
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content = renderer.render(obj, 'application/json')
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self.assertEqual(content, '{"should_escape":"\\u2028\\u2029"}'.encode('utf-8'))
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class AsciiJSONRendererTests(TestCase):
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"""
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Tests specific for the Unicode JSON Renderer
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"""
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def test_proper_encoding(self):
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class AsciiJSONRenderer(JSONRenderer):
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ensure_ascii = True
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obj = {'countries': ['United Kingdom', 'France', 'España']}
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renderer = AsciiJSONRenderer()
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content = renderer.render(obj, 'application/json')
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self.assertEqual(content, '{"countries":["United Kingdom","France","Espa\\u00f1a"]}'.encode('utf-8'))
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# Tests for caching issue, #346
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@override_settings(ROOT_URLCONF='tests.test_renderers')
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class CacheRenderTest(TestCase):
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"""
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Tests specific to caching responses
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"""
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def test_head_caching(self):
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"""
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Test caching of HEAD requests
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"""
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response = self.client.head('/cache')
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cache.set('key', response)
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cached_response = cache.get('key')
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assert isinstance(cached_response, Response)
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assert cached_response.content == response.content
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assert cached_response.status_code == response.status_code
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def test_get_caching(self):
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"""
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Test caching of GET requests
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"""
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response = self.client.get('/cache')
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cache.set('key', response)
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cached_response = cache.get('key')
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assert isinstance(cached_response, Response)
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assert cached_response.content == response.content
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assert cached_response.status_code == response.status_code
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class TestJSONIndentationStyles:
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def test_indented(self):
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renderer = JSONRenderer()
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data = OrderedDict([('a', 1), ('b', 2)])
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assert renderer.render(data) == b'{"a":1,"b":2}'
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def test_compact(self):
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renderer = JSONRenderer()
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data = OrderedDict([('a', 1), ('b', 2)])
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context = {'indent': 4}
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assert (
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renderer.render(data, renderer_context=context) ==
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b'{\n "a": 1,\n "b": 2\n}'
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)
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def test_long_form(self):
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renderer = JSONRenderer()
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renderer.compact = False
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data = OrderedDict([('a', 1), ('b', 2)])
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assert renderer.render(data) == b'{"a": 1, "b": 2}'
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class TestHiddenFieldHTMLFormRenderer(TestCase):
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def test_hidden_field_rendering(self):
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class TestSerializer(serializers.Serializer):
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published = serializers.HiddenField(default=True)
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serializer = TestSerializer(data={})
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serializer.is_valid()
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renderer = HTMLFormRenderer()
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field = serializer['published']
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rendered = renderer.render_field(field, {})
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assert rendered == ''
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class TestHTMLFormRenderer(TestCase):
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def setUp(self):
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class TestSerializer(serializers.Serializer):
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test_field = serializers.CharField()
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self.renderer = HTMLFormRenderer()
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self.serializer = TestSerializer(data={})
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def test_render_with_default_args(self):
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self.serializer.is_valid()
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renderer = HTMLFormRenderer()
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result = renderer.render(self.serializer.data)
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self.assertIsInstance(result, SafeText)
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def test_render_with_provided_args(self):
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self.serializer.is_valid()
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renderer = HTMLFormRenderer()
|
|
|
|
result = renderer.render(self.serializer.data, None, {})
|
|
|
|
self.assertIsInstance(result, SafeText)
|
|
|
|
|
|
class TestChoiceFieldHTMLFormRenderer(TestCase):
|
|
"""
|
|
Test rendering ChoiceField with HTMLFormRenderer.
|
|
"""
|
|
|
|
def setUp(self):
|
|
choices = ((1, 'Option1'), (2, 'Option2'), (12, 'Option12'))
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
test_field = serializers.ChoiceField(choices=choices,
|
|
initial=2)
|
|
|
|
self.TestSerializer = TestSerializer
|
|
self.renderer = HTMLFormRenderer()
|
|
|
|
def test_render_initial_option(self):
|
|
serializer = self.TestSerializer()
|
|
result = self.renderer.render(serializer.data)
|
|
|
|
self.assertIsInstance(result, SafeText)
|
|
|
|
self.assertInHTML('<option value="2" selected>Option2</option>',
|
|
result)
|
|
self.assertInHTML('<option value="1">Option1</option>', result)
|
|
self.assertInHTML('<option value="12">Option12</option>', result)
|
|
|
|
def test_render_selected_option(self):
|
|
serializer = self.TestSerializer(data={'test_field': '12'})
|
|
|
|
serializer.is_valid()
|
|
result = self.renderer.render(serializer.data)
|
|
|
|
self.assertIsInstance(result, SafeText)
|
|
|
|
self.assertInHTML('<option value="12" selected>Option12</option>',
|
|
result)
|
|
self.assertInHTML('<option value="1">Option1</option>', result)
|
|
self.assertInHTML('<option value="2">Option2</option>', result)
|
|
|
|
|
|
class TestMultipleChoiceFieldHTMLFormRenderer(TestCase):
|
|
"""
|
|
Test rendering MultipleChoiceField with HTMLFormRenderer.
|
|
"""
|
|
|
|
def setUp(self):
|
|
self.renderer = HTMLFormRenderer()
|
|
|
|
def test_render_selected_option_with_string_option_ids(self):
|
|
choices = (('1', 'Option1'), ('2', 'Option2'), ('12', 'Option12'),
|
|
('}', 'OptionBrace'))
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
test_field = serializers.MultipleChoiceField(choices=choices)
|
|
|
|
serializer = TestSerializer(data={'test_field': ['12']})
|
|
serializer.is_valid()
|
|
|
|
result = self.renderer.render(serializer.data)
|
|
|
|
self.assertIsInstance(result, SafeText)
|
|
|
|
self.assertInHTML('<option value="12" selected>Option12</option>',
|
|
result)
|
|
self.assertInHTML('<option value="1">Option1</option>', result)
|
|
self.assertInHTML('<option value="2">Option2</option>', result)
|
|
self.assertInHTML('<option value="}">OptionBrace</option>', result)
|
|
|
|
def test_render_selected_option_with_integer_option_ids(self):
|
|
choices = ((1, 'Option1'), (2, 'Option2'), (12, 'Option12'))
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
test_field = serializers.MultipleChoiceField(choices=choices)
|
|
|
|
serializer = TestSerializer(data={'test_field': ['12']})
|
|
serializer.is_valid()
|
|
|
|
result = self.renderer.render(serializer.data)
|
|
|
|
self.assertIsInstance(result, SafeText)
|
|
|
|
self.assertInHTML('<option value="12" selected>Option12</option>',
|
|
result)
|
|
self.assertInHTML('<option value="1">Option1</option>', result)
|
|
self.assertInHTML('<option value="2">Option2</option>', result)
|
|
|
|
|
|
class StaticHTMLRendererTests(TestCase):
|
|
"""
|
|
Tests specific for Static HTML Renderer
|
|
"""
|
|
def setUp(self):
|
|
self.renderer = StaticHTMLRenderer()
|
|
|
|
def test_static_renderer(self):
|
|
data = '<html><body>text</body></html>'
|
|
result = self.renderer.render(data)
|
|
assert result == data
|
|
|
|
def test_static_renderer_with_exception(self):
|
|
context = {
|
|
'response': Response(status=500, exception=True),
|
|
'request': Request(HttpRequest())
|
|
}
|
|
result = self.renderer.render({}, renderer_context=context)
|
|
assert result == '500 Internal Server Error'
|
|
|
|
|
|
class BrowsableAPIRendererTests(TestCase):
|
|
|
|
def setUp(self):
|
|
self.renderer = BrowsableAPIRenderer()
|
|
|
|
def test_get_description_returns_empty_string_for_401_and_403_statuses(self):
|
|
assert self.renderer.get_description({}, status_code=401) == ''
|
|
assert self.renderer.get_description({}, status_code=403) == ''
|
|
|
|
def test_get_filter_form_returns_none_if_data_is_not_list_instance(self):
|
|
class DummyView(object):
|
|
get_queryset = None
|
|
filter_backends = None
|
|
|
|
result = self.renderer.get_filter_form(data='not list',
|
|
view=DummyView(), request={})
|
|
assert result is None
|
|
|
|
|
|
class AdminRendererTests(TestCase):
|
|
|
|
def setUp(self):
|
|
self.renderer = AdminRenderer()
|
|
|
|
def test_render_when_resource_created(self):
|
|
class DummyView(APIView):
|
|
renderer_classes = (AdminRenderer, )
|
|
request = Request(HttpRequest())
|
|
request.build_absolute_uri = lambda: 'http://example.com'
|
|
response = Response(status=201, headers={'Location': '/test'})
|
|
context = {
|
|
'view': DummyView(),
|
|
'request': request,
|
|
'response': response
|
|
}
|
|
|
|
result = self.renderer.render(data={'test': 'test'},
|
|
renderer_context=context)
|
|
assert result == ''
|
|
assert response.status_code == status.HTTP_303_SEE_OTHER
|
|
assert response['Location'] == 'http://example.com'
|
|
|
|
def test_render_dict(self):
|
|
factory = APIRequestFactory()
|
|
|
|
class DummyView(APIView):
|
|
renderer_classes = (AdminRenderer, )
|
|
|
|
def get(self, request):
|
|
return Response({'foo': 'a string'})
|
|
view = DummyView.as_view()
|
|
request = factory.get('/')
|
|
response = view(request)
|
|
response.render()
|
|
self.assertInHTML('<tr><th>Foo</th><td>a string</td></tr>', str(response.content))
|
|
|
|
def test_render_dict_with_items_key(self):
|
|
factory = APIRequestFactory()
|
|
|
|
class DummyView(APIView):
|
|
renderer_classes = (AdminRenderer, )
|
|
|
|
def get(self, request):
|
|
return Response({'items': 'a string'})
|
|
|
|
view = DummyView.as_view()
|
|
request = factory.get('/')
|
|
response = view(request)
|
|
response.render()
|
|
self.assertInHTML('<tr><th>Items</th><td>a string</td></tr>', str(response.content))
|
|
|
|
def test_render_dict_with_iteritems_key(self):
|
|
factory = APIRequestFactory()
|
|
|
|
class DummyView(APIView):
|
|
renderer_classes = (AdminRenderer, )
|
|
|
|
def get(self, request):
|
|
return Response({'iteritems': 'a string'})
|
|
|
|
view = DummyView.as_view()
|
|
request = factory.get('/')
|
|
response = view(request)
|
|
response.render()
|
|
self.assertInHTML('<tr><th>Iteritems</th><td>a string</td></tr>', str(response.content))
|