django-rest-framework/tests/test_testing.py
2015-06-11 00:51:33 +02:00

234 lines
8.7 KiB
Python

# encoding: utf-8
from __future__ import unicode_literals
from django.conf.urls import url
from django.contrib.auth.models import User
from django.shortcuts import redirect
from django.test import TestCase
from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework.test import APIClient, APIRequestFactory, force_authenticate
from io import BytesIO
@api_view(['GET', 'POST'])
def view(request):
return Response({
'auth': request.META.get('HTTP_AUTHORIZATION', b''),
'user': request.user.username
})
@api_view(['GET', 'POST'])
def session_view(request):
active_session = request.session.get('active_session', False)
request.session['active_session'] = True
return Response({
'active_session': active_session
})
@api_view(['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'])
def redirect_view(request):
return redirect('/view/')
urlpatterns = [
url(r'^view/$', view),
url(r'^session-view/$', session_view),
url(r'^redirect-view/$', redirect_view),
]
class TestAPITestClient(TestCase):
urls = 'tests.test_testing'
def setUp(self):
self.client = APIClient()
def test_credentials(self):
"""
Setting `.credentials()` adds the required headers to each request.
"""
self.client.credentials(HTTP_AUTHORIZATION='example')
for _ in range(0, 3):
response = self.client.get('/view/')
self.assertEqual(response.data['auth'], 'example')
def test_force_authenticate(self):
"""
Setting `.force_authenticate()` forcibly authenticates each request.
"""
user = User.objects.create_user('example', 'example@example.com')
self.client.force_authenticate(user)
response = self.client.get('/view/')
self.assertEqual(response.data['user'], 'example')
def test_force_authenticate_with_sessions(self):
"""
Setting `.force_authenticate()` forcibly authenticates each request.
"""
user = User.objects.create_user('example', 'example@example.com')
self.client.force_authenticate(user)
# First request does not yet have an active session
response = self.client.get('/session-view/')
self.assertEqual(response.data['active_session'], False)
# Subsequant requests have an active session
response = self.client.get('/session-view/')
self.assertEqual(response.data['active_session'], True)
# Force authenticating as `None` should also logout the user session.
self.client.force_authenticate(None)
response = self.client.get('/session-view/')
self.assertEqual(response.data['active_session'], False)
def test_csrf_exempt_by_default(self):
"""
By default, the test client is CSRF exempt.
"""
User.objects.create_user('example', 'example@example.com', 'password')
self.client.login(username='example', password='password')
response = self.client.post('/view/')
self.assertEqual(response.status_code, 200)
def test_explicitly_enforce_csrf_checks(self):
"""
The test client can enforce CSRF checks.
"""
client = APIClient(enforce_csrf_checks=True)
User.objects.create_user('example', 'example@example.com', 'password')
client.login(username='example', password='password')
response = client.post('/view/')
expected = {'detail': 'CSRF Failed: CSRF cookie not set.'}
self.assertEqual(response.status_code, 403)
self.assertEqual(response.data, expected)
def test_can_logout(self):
"""
`logout()` resets stored credentials
"""
self.client.credentials(HTTP_AUTHORIZATION='example')
response = self.client.get('/view/')
self.assertEqual(response.data['auth'], 'example')
self.client.logout()
response = self.client.get('/view/')
self.assertEqual(response.data['auth'], b'')
def test_logout_resets_force_authenticate(self):
"""
`logout()` resets any `force_authenticate`
"""
user = User.objects.create_user('example', 'example@example.com', 'password')
self.client.force_authenticate(user)
response = self.client.get('/view/')
self.assertEqual(response.data['user'], 'example')
self.client.logout()
response = self.client.get('/view/')
self.assertEqual(response.data['user'], '')
def test_follow_redirect(self):
"""
Follow redirect by setting follow argument.
"""
response = self.client.get('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.get('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
response = self.client.post('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.post('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
response = self.client.put('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.put('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
response = self.client.patch('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.patch('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
response = self.client.delete('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.delete('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
response = self.client.options('/redirect-view/')
self.assertEqual(response.status_code, 302)
response = self.client.options('/redirect-view/', follow=True)
self.assertIsNotNone(response.redirect_chain)
self.assertEqual(response.status_code, 200)
class TestAPIRequestFactory(TestCase):
def test_csrf_exempt_by_default(self):
"""
By default, the test client is CSRF exempt.
"""
user = User.objects.create_user('example', 'example@example.com', 'password')
factory = APIRequestFactory()
request = factory.post('/view/')
request.user = user
response = view(request)
self.assertEqual(response.status_code, 200)
def test_explicitly_enforce_csrf_checks(self):
"""
The test client can enforce CSRF checks.
"""
user = User.objects.create_user('example', 'example@example.com', 'password')
factory = APIRequestFactory(enforce_csrf_checks=True)
request = factory.post('/view/')
request.user = user
response = view(request)
expected = {'detail': 'CSRF Failed: CSRF cookie not set.'}
self.assertEqual(response.status_code, 403)
self.assertEqual(response.data, expected)
def test_invalid_format(self):
"""
Attempting to use a format that is not configured will raise an
assertion error.
"""
factory = APIRequestFactory()
self.assertRaises(
AssertionError, factory.post,
path='/view/', data={'example': 1}, format='xml'
)
def test_force_authenticate(self):
"""
Setting `force_authenticate()` forcibly authenticates the request.
"""
user = User.objects.create_user('example', 'example@example.com')
factory = APIRequestFactory()
request = factory.get('/view')
force_authenticate(request, user=user)
response = view(request)
self.assertEqual(response.data['user'], 'example')
def test_upload_file(self):
# This is a 1x1 black png
simple_png = BytesIO(b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x06\x00\x00\x00\x1f\x15\xc4\x89\x00\x00\x00\rIDATx\x9cc````\x00\x00\x00\x05\x00\x01\xa5\xf6E@\x00\x00\x00\x00IEND\xaeB`\x82')
simple_png.name = 'test.png'
factory = APIRequestFactory()
factory.post('/', data={'image': simple_png})
def test_request_factory_url_arguments(self):
"""
This is a non regression test against #1461
"""
factory = APIRequestFactory()
request = factory.get('/view/?demo=test')
self.assertEqual(dict(request.GET), {'demo': ['test']})
request = factory.get('/view/', {'demo': 'test'})
self.assertEqual(dict(request.GET), {'demo': ['test']})