mirror of
https://github.com/encode/django-rest-framework.git
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345 lines
13 KiB
Python
345 lines
13 KiB
Python
"""
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Tests for content parsing, and form-overloaded content parsing.
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"""
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from __future__ import unicode_literals
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from django.contrib.auth.models import User
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from django.contrib.auth import authenticate, login, logout
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from django.contrib.sessions.middleware import SessionMiddleware
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from django.core.handlers.wsgi import WSGIRequest
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from django.test import TestCase
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from rest_framework import status
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from rest_framework.authentication import SessionAuthentication
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from rest_framework.compat import patterns
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from rest_framework.parsers import (
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BaseParser,
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FormParser,
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MultiPartParser,
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JSONParser
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)
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from rest_framework.request import Request, Empty
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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, APIClient
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from rest_framework.views import APIView
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from rest_framework.compat import six
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from io import BytesIO
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import json
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factory = APIRequestFactory()
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class PlainTextParser(BaseParser):
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media_type = 'text/plain'
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def parse(self, stream, media_type=None, parser_context=None):
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"""
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Returns a 2-tuple of `(data, files)`.
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`data` will simply be a string representing the body of the request.
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`files` will always be `None`.
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"""
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return stream.read()
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class TestMethodOverloading(TestCase):
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def test_method(self):
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"""
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Request methods should be same as underlying request.
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"""
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request = Request(factory.get('/'))
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self.assertEqual(request.method, 'GET')
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request = Request(factory.post('/'))
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self.assertEqual(request.method, 'POST')
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def test_overloaded_method(self):
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"""
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POST requests can be overloaded to another method by setting a
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reserved form field
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"""
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request = Request(factory.post('/', {api_settings.FORM_METHOD_OVERRIDE: 'DELETE'}))
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self.assertEqual(request.method, 'DELETE')
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def test_x_http_method_override_header(self):
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"""
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POST requests can also be overloaded to another method by setting
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the X-HTTP-Method-Override header.
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"""
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request = Request(factory.post('/', {'foo': 'bar'}, HTTP_X_HTTP_METHOD_OVERRIDE='DELETE'))
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self.assertEqual(request.method, 'DELETE')
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class TestContentParsing(TestCase):
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def test_standard_behaviour_determines_no_content_GET(self):
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"""
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Ensure request.DATA returns empty QueryDict for GET request.
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"""
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request = Request(factory.get('/'))
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self.assertEqual(request.DATA, {})
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def test_standard_behaviour_determines_no_content_HEAD(self):
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"""
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Ensure request.DATA returns empty QueryDict for HEAD request.
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"""
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request = Request(factory.head('/'))
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self.assertEqual(request.DATA, {})
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def test_request_DATA_with_form_content(self):
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"""
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Ensure request.DATA returns content for POST request with form content.
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"""
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data = {'qwerty': 'uiop'}
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request = Request(factory.post('/', data))
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request.parsers = (FormParser(), MultiPartParser())
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self.assertEqual(list(request.DATA.items()), list(data.items()))
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def test_request_DATA_with_text_content(self):
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"""
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Ensure request.DATA returns content for POST request with
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non-form content.
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"""
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content = six.b('qwerty')
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content_type = 'text/plain'
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request = Request(factory.post('/', content, content_type=content_type))
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request.parsers = (PlainTextParser(),)
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self.assertEqual(request.DATA, content)
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def test_request_POST_with_form_content(self):
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"""
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Ensure request.POST returns content for POST request with form content.
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"""
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data = {'qwerty': 'uiop'}
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request = Request(factory.post('/', data))
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request.parsers = (FormParser(), MultiPartParser())
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self.assertEqual(list(request.POST.items()), list(data.items()))
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def test_standard_behaviour_determines_form_content_PUT(self):
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"""
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Ensure request.DATA returns content for PUT request with form content.
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"""
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data = {'qwerty': 'uiop'}
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request = Request(factory.put('/', data))
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request.parsers = (FormParser(), MultiPartParser())
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self.assertEqual(list(request.DATA.items()), list(data.items()))
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def test_standard_behaviour_determines_non_form_content_PUT(self):
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"""
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Ensure request.DATA returns content for PUT request with
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non-form content.
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"""
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content = six.b('qwerty')
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content_type = 'text/plain'
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request = Request(factory.put('/', content, content_type=content_type))
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request.parsers = (PlainTextParser(), )
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self.assertEqual(request.DATA, content)
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def test_overloaded_behaviour_allows_content_tunnelling(self):
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"""
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Ensure request.DATA returns content for overloaded POST request.
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"""
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json_data = {'foobar': 'qwerty'}
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content = json.dumps(json_data)
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content_type = 'application/json'
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form_data = {
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api_settings.FORM_CONTENT_OVERRIDE: content,
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api_settings.FORM_CONTENTTYPE_OVERRIDE: content_type
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}
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request = Request(factory.post('/', form_data))
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request.parsers = (JSONParser(), )
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self.assertEqual(request.DATA, json_data)
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def test_form_POST_unicode(self):
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"""
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JSON POST via default web interface with unicode data
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"""
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# Note: environ and other variables here have simplified content compared to real Request
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CONTENT = b'_content_type=application%2Fjson&_content=%7B%22request%22%3A+4%2C+%22firm%22%3A+1%2C+%22text%22%3A+%22%D0%9F%D1%80%D0%B8%D0%B2%D0%B5%D1%82%21%22%7D'
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environ = {
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'REQUEST_METHOD': 'POST',
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'CONTENT_TYPE': 'application/x-www-form-urlencoded',
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'CONTENT_LENGTH': len(CONTENT),
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'wsgi.input': BytesIO(CONTENT),
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}
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wsgi_request = WSGIRequest(environ=environ)
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wsgi_request._load_post_and_files()
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parsers = (JSONParser(), FormParser(), MultiPartParser())
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parser_context = {
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'encoding': 'utf-8',
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'kwargs': {},
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'args': (),
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}
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request = Request(wsgi_request, parsers=parsers, parser_context=parser_context)
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method = request.method
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self.assertEqual(method, 'POST')
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self.assertEqual(request._content_type, 'application/json')
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self.assertEqual(request._stream.getvalue(), b'{"request": 4, "firm": 1, "text": "\xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82!"}')
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self.assertEqual(request._data, Empty)
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self.assertEqual(request._files, Empty)
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# def test_accessing_post_after_data_form(self):
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# """
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# Ensures request.POST can be accessed after request.DATA in
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# form request.
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# """
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# data = {'qwerty': 'uiop'}
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# request = factory.post('/', data=data)
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# self.assertEqual(request.DATA.items(), data.items())
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# self.assertEqual(request.POST.items(), data.items())
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# def test_accessing_post_after_data_for_json(self):
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# """
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# Ensures request.POST can be accessed after request.DATA in
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# json request.
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# """
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# data = {'qwerty': 'uiop'}
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# content = json.dumps(data)
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# content_type = 'application/json'
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# parsers = (JSONParser, )
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# request = factory.post('/', content, content_type=content_type,
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# parsers=parsers)
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# self.assertEqual(request.DATA.items(), data.items())
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# self.assertEqual(request.POST.items(), [])
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# def test_accessing_post_after_data_for_overloaded_json(self):
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# """
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# Ensures request.POST can be accessed after request.DATA in overloaded
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# json request.
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# """
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# data = {'qwerty': 'uiop'}
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# content = json.dumps(data)
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# content_type = 'application/json'
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# parsers = (JSONParser, )
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# form_data = {Request._CONTENT_PARAM: content,
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# Request._CONTENTTYPE_PARAM: content_type}
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# request = factory.post('/', form_data, parsers=parsers)
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# self.assertEqual(request.DATA.items(), data.items())
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# self.assertEqual(request.POST.items(), form_data.items())
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# def test_accessing_data_after_post_form(self):
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# """
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# Ensures request.DATA can be accessed after request.POST in
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# form request.
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# """
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# data = {'qwerty': 'uiop'}
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# parsers = (FormParser, MultiPartParser)
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# request = factory.post('/', data, parsers=parsers)
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# self.assertEqual(request.POST.items(), data.items())
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# self.assertEqual(request.DATA.items(), data.items())
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# def test_accessing_data_after_post_for_json(self):
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# """
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# Ensures request.DATA can be accessed after request.POST in
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# json request.
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# """
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# data = {'qwerty': 'uiop'}
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# content = json.dumps(data)
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# content_type = 'application/json'
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# parsers = (JSONParser, )
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# request = factory.post('/', content, content_type=content_type,
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# parsers=parsers)
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# self.assertEqual(request.POST.items(), [])
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# self.assertEqual(request.DATA.items(), data.items())
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# def test_accessing_data_after_post_for_overloaded_json(self):
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# """
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# Ensures request.DATA can be accessed after request.POST in overloaded
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# json request
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# """
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# data = {'qwerty': 'uiop'}
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# content = json.dumps(data)
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# content_type = 'application/json'
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# parsers = (JSONParser, )
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# form_data = {Request._CONTENT_PARAM: content,
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# Request._CONTENTTYPE_PARAM: content_type}
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# request = factory.post('/', form_data, parsers=parsers)
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# self.assertEqual(request.POST.items(), form_data.items())
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# self.assertEqual(request.DATA.items(), data.items())
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class MockView(APIView):
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authentication_classes = (SessionAuthentication,)
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def post(self, request):
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if request.POST.get('example') is not None:
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return Response(status=status.HTTP_200_OK)
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return Response(status=status.INTERNAL_SERVER_ERROR)
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urlpatterns = patterns('',
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(r'^$', MockView.as_view()),
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)
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class TestContentParsingWithAuthentication(TestCase):
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urls = 'rest_framework.tests.test_request'
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def setUp(self):
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self.csrf_client = APIClient(enforce_csrf_checks=True)
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self.username = 'john'
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self.email = 'lennon@thebeatles.com'
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self.password = 'password'
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self.user = User.objects.create_user(self.username, self.email, self.password)
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def test_user_logged_in_authentication_has_POST_when_not_logged_in(self):
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"""
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Ensures request.POST exists after SessionAuthentication when user
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doesn't log in.
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"""
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content = {'example': 'example'}
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response = self.client.post('/', content)
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self.assertEqual(status.HTTP_200_OK, response.status_code)
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response = self.csrf_client.post('/', content)
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self.assertEqual(status.HTTP_200_OK, response.status_code)
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# def test_user_logged_in_authentication_has_post_when_logged_in(self):
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# """Ensures request.POST exists after UserLoggedInAuthentication when user does log in"""
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# self.client.login(username='john', password='password')
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# self.csrf_client.login(username='john', password='password')
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# content = {'example': 'example'}
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# response = self.client.post('/', content)
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# self.assertEqual(status.OK, response.status_code, "POST data is malformed")
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# response = self.csrf_client.post('/', content)
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# self.assertEqual(status.OK, response.status_code, "POST data is malformed")
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class TestUserSetter(TestCase):
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def setUp(self):
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# Pass request object through session middleware so session is
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# available to login and logout functions
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self.request = Request(factory.get('/'))
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SessionMiddleware().process_request(self.request)
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User.objects.create_user('ringo', 'starr@thebeatles.com', 'yellow')
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self.user = authenticate(username='ringo', password='yellow')
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def test_user_can_be_set(self):
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self.request.user = self.user
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self.assertEqual(self.request.user, self.user)
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def test_user_can_login(self):
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login(self.request, self.user)
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self.assertEqual(self.request.user, self.user)
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def test_user_can_logout(self):
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self.request.user = self.user
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self.assertFalse(self.request.user.is_anonymous())
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logout(self.request)
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self.assertTrue(self.request.user.is_anonymous())
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class TestAuthSetter(TestCase):
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def test_auth_can_be_set(self):
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request = Request(factory.get('/'))
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request.auth = 'DUMMY'
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self.assertEqual(request.auth, 'DUMMY')
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