From 971578ca345c3d3bae7fd93b87c41d43483b6f05 Mon Sep 17 00:00:00 2001
From: Andreas Pelme
Date: Sun, 2 Mar 2014 12:40:30 +0100
Subject: Support for running the test suite with py.test

 * Get rid of runtests.py
 * Moved test code  from rest_framework/tests and rest_framework/runtests to tests
 * Invoke py.test from setup.py
 * Invoke py.test from Travis
 * Invoke py.test from tox
 * Changed setUpClass to be just plain setUp in test_permissions.py
 * Updated contribution guideline to show how to invoke py.test
---
 tests/test_decorators.py | 157 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 tests/test_decorators.py

(limited to 'tests/test_decorators.py')

diff --git a/tests/test_decorators.py b/tests/test_decorators.py
new file mode 100644
index 00000000..195f0ba3
--- /dev/null
+++ b/tests/test_decorators.py
@@ -0,0 +1,157 @@
+from __future__ import unicode_literals
+from django.test import TestCase
+from rest_framework import status
+from rest_framework.authentication import BasicAuthentication
+from rest_framework.parsers import JSONParser
+from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+from rest_framework.renderers import JSONRenderer
+from rest_framework.test import APIRequestFactory
+from rest_framework.throttling import UserRateThrottle
+from rest_framework.views import APIView
+from rest_framework.decorators import (
+    api_view,
+    renderer_classes,
+    parser_classes,
+    authentication_classes,
+    throttle_classes,
+    permission_classes,
+)
+
+
+class DecoratorTestCase(TestCase):
+
+    def setUp(self):
+        self.factory = APIRequestFactory()
+
+    def _finalize_response(self, request, response, *args, **kwargs):
+        response.request = request
+        return APIView.finalize_response(self, request, response, *args, **kwargs)
+
+    def test_api_view_incorrect(self):
+        """
+        If @api_view is not applied correct, we should raise an assertion.
+        """
+
+        @api_view
+        def view(request):
+            return Response()
+
+        request = self.factory.get('/')
+        self.assertRaises(AssertionError, view, request)
+
+    def test_api_view_incorrect_arguments(self):
+        """
+        If @api_view is missing arguments, we should raise an assertion.
+        """
+
+        with self.assertRaises(AssertionError):
+            @api_view('GET')
+            def view(request):
+                return Response()
+
+    def test_calling_method(self):
+
+        @api_view(['GET'])
+        def view(request):
+            return Response({})
+
+        request = self.factory.get('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        request = self.factory.post('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED)
+
+    def test_calling_put_method(self):
+
+        @api_view(['GET', 'PUT'])
+        def view(request):
+            return Response({})
+
+        request = self.factory.put('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        request = self.factory.post('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED)
+
+    def test_calling_patch_method(self):
+
+        @api_view(['GET', 'PATCH'])
+        def view(request):
+            return Response({})
+
+        request = self.factory.patch('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        request = self.factory.post('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED)
+
+    def test_renderer_classes(self):
+
+        @api_view(['GET'])
+        @renderer_classes([JSONRenderer])
+        def view(request):
+            return Response({})
+
+        request = self.factory.get('/')
+        response = view(request)
+        self.assertTrue(isinstance(response.accepted_renderer, JSONRenderer))
+
+    def test_parser_classes(self):
+
+        @api_view(['GET'])
+        @parser_classes([JSONParser])
+        def view(request):
+            self.assertEqual(len(request.parsers), 1)
+            self.assertTrue(isinstance(request.parsers[0],
+                                       JSONParser))
+            return Response({})
+
+        request = self.factory.get('/')
+        view(request)
+
+    def test_authentication_classes(self):
+
+        @api_view(['GET'])
+        @authentication_classes([BasicAuthentication])
+        def view(request):
+            self.assertEqual(len(request.authenticators), 1)
+            self.assertTrue(isinstance(request.authenticators[0],
+                                       BasicAuthentication))
+            return Response({})
+
+        request = self.factory.get('/')
+        view(request)
+
+    def test_permission_classes(self):
+
+        @api_view(['GET'])
+        @permission_classes([IsAuthenticated])
+        def view(request):
+            return Response({})
+
+        request = self.factory.get('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+
+    def test_throttle_classes(self):
+        class OncePerDayUserThrottle(UserRateThrottle):
+            rate = '1/day'
+
+        @api_view(['GET'])
+        @throttle_classes([OncePerDayUserThrottle])
+        def view(request):
+            return Response({})
+
+        request = self.factory.get('/')
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = view(request)
+        self.assertEqual(response.status_code, status.HTTP_429_TOO_MANY_REQUESTS)
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