From 6dbcbcc9a89f02bf050081076cab45b21ddffca0 Mon Sep 17 00:00:00 2001
From: "Silvio J. Gutierrez" <silviogutierrez@gmail.com>
Date: Mon, 3 Nov 2014 16:25:25 -0500
Subject: [PATCH] Failing test case for creation-only serializers.

---
 tests/browsable_api/no_auth_urls.py       |  3 ++-
 tests/browsable_api/test_browsable_api.py |  8 ++++++++
 tests/browsable_api/views.py              | 20 ++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/tests/browsable_api/no_auth_urls.py b/tests/browsable_api/no_auth_urls.py
index 5e3604a66..bcbe06532 100644
--- a/tests/browsable_api/no_auth_urls.py
+++ b/tests/browsable_api/no_auth_urls.py
@@ -1,9 +1,10 @@
 from __future__ import unicode_literals
 from django.conf.urls import patterns
 
-from .views import MockView
+from .views import MockView, CreateOnlyView
 
 urlpatterns = patterns(
     '',
     (r'^$', MockView.as_view()),
+    (r'^create/$', CreateOnlyView.as_view()),
 )
diff --git a/tests/browsable_api/test_browsable_api.py b/tests/browsable_api/test_browsable_api.py
index 5f2647838..229dec17f 100644
--- a/tests/browsable_api/test_browsable_api.py
+++ b/tests/browsable_api/test_browsable_api.py
@@ -63,3 +63,11 @@ class NoDropdownWithoutAuthTests(TestCase):
     def test_dropdown_not_shown_when_logged_out(self):
         response = self.client.get('/')
         self.assertNotContains(response, '<li class="dropdown">')
+
+
+class CreatOnlyModelTests(TestCase):
+    urls = 'tests.browsable_api.no_auth_urls'
+
+    def test_create_only_model(self):
+        with self.assertRaises(AssertionError):
+            self.client.post('/create/', {'text': 'creating'})
diff --git a/tests/browsable_api/views.py b/tests/browsable_api/views.py
index 000f4e804..6e6cf4eea 100644
--- a/tests/browsable_api/views.py
+++ b/tests/browsable_api/views.py
@@ -3,8 +3,12 @@ from __future__ import unicode_literals
 from rest_framework.views import APIView
 from rest_framework import authentication
 from rest_framework import renderers
+from rest_framework import generics
+from rest_framework import serializers
 from rest_framework.response import Response
 
+from tests.models import BasicModel
+
 
 class MockView(APIView):
 
@@ -13,3 +17,19 @@ class MockView(APIView):
 
     def get(self, request):
         return Response({'a': 1, 'b': 2, 'c': 3})
+
+
+class CreateOnlySerializer(serializers.ModelSerializer):
+    def restore_object(self, attrs, instance=None):
+        assert instance is None, 'Cannot update models with this serializer'
+        return super(CreateOnlySerializer, self).restore_object(attrs, instance=instance)
+
+    class Meta:
+        model = BasicModel
+
+
+class CreateOnlyView(generics.ListCreateAPIView):
+    authentication_classes = (authentication.SessionAuthentication,)
+    renderer_classes = (renderers.BrowsableAPIRenderer,)
+    serializer_class = CreateOnlySerializer
+    model = BasicModel