mirror of
https://github.com/encode/django-rest-framework.git
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139 lines
5.1 KiB
Python
139 lines
5.1 KiB
Python
from django.conf.urls.defaults import patterns, url
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from django import http
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from django.test import TestCase
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from djangorestframework.compat import View as DjangoView
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from djangorestframework.renderers import BaseRenderer, JSONRenderer
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from djangorestframework.parsers import JSONParser
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from djangorestframework.mixins import ResponseMixin
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from djangorestframework.response import Response
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from djangorestframework.utils.mediatypes import add_media_type_param
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from StringIO import StringIO
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DUMMYSTATUS = 200
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DUMMYCONTENT = 'dummycontent'
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RENDERER_A_SERIALIZER = lambda x: 'Renderer A: %s' % x
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RENDERER_B_SERIALIZER = lambda x: 'Renderer B: %s' % x
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class RendererA(BaseRenderer):
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media_type = 'mock/renderera'
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def render(self, obj=None, media_type=None):
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return RENDERER_A_SERIALIZER(obj)
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class RendererB(BaseRenderer):
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media_type = 'mock/rendererb'
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def render(self, obj=None, media_type=None):
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return RENDERER_B_SERIALIZER(obj)
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class MockView(ResponseMixin, DjangoView):
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renderers = (RendererA, RendererB)
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def get(self, request):
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response = Response(DUMMYSTATUS, DUMMYCONTENT)
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return self.render(response)
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urlpatterns = patterns('',
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url(r'^$', MockView.as_view(renderers=[RendererA, RendererB])),
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)
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class RendererIntegrationTests(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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urls = 'djangorestframework.tests.renderers'
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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.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(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.assertEquals(resp.status_code, DUMMYSTATUS)
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self.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, '')
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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.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(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.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(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.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(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.assertEquals(resp.status_code, 406)
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_flat_repr = '{"foo": ["bar", "baz"]}'
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_indented_repr = """{
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"foo": [
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"bar",
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"baz"
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]
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}"""
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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_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(None)
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content = renderer.render(obj, 'application/json')
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self.assertEquals(content, _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(None)
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content = renderer.render(obj, 'application/json; indent=2')
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self.assertEquals(content, _indented_repr)
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def test_render_and_parse(self):
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"""
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Test rendering and then parsing returns the original object.
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IE obj -> render -> parse -> obj.
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"""
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obj = {'foo':['bar','baz']}
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renderer = JSONRenderer(None)
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parser = JSONParser(None)
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content = renderer.render(obj, 'application/json')
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(data, files) = parser.parse(StringIO(content))
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self.assertEquals(obj, data)
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