[1.5.x] Fixed #19378 -- Ensured get_success_url returns a non-lazy URL

Backport of 795ac7deda from master.

tests/regressiontests/generic_views/edit.py

@@ -20,6 +20,15 @@ class FormMixinTests(TestCase):
          initial_2 = FormMixin().get_initial()
          self.assertNotEqual(initial_1, initial_2)
 
+
+class BasicFormTests(TestCase):
+    urls = 'regressiontests.generic_views.urls'
+
+    def test_post_data(self):
+        res = self.client.post('/contact/', {'name': "Me", 'message': "Hello"})
+        self.assertRedirects(res, 'http://testserver/list/authors/')
+
+
 class ModelFormMixinTests(TestCase):
     def test_get_form(self):
         form_class = views.AuthorGetQuerySetFormView().get_form_class()

tests/regressiontests/generic_views/forms.py

@@ -11,3 +11,8 @@ class AuthorForm(forms.ModelForm):
 
     class Meta:
         model = Author
+
+
+class ContactForm(forms.Form):
+    name = forms.CharField()
+    message = forms.CharField(widget=forms.Textarea)

tests/regressiontests/generic_views/tests.py

@@ -6,6 +6,6 @@ from .dates import (ArchiveIndexViewTests, YearArchiveViewTests,
     MonthArchiveViewTests, WeekArchiveViewTests, DayArchiveViewTests,
     DateDetailViewTests)
 from .detail import DetailViewTest
-from .edit import (FormMixinTests, ModelFormMixinTests, CreateViewTests,
-    UpdateViewTests, DeleteViewTests)
+from .edit import (FormMixinTests, BasicFormTests, ModelFormMixinTests,
+    CreateViewTests, UpdateViewTests, DeleteViewTests)
 from .list import ListViewTests

tests/regressiontests/generic_views/urls.py

@@ -56,6 +56,10 @@ urlpatterns = patterns('',
     (r'^detail/nonmodel/1/$',
         views.NonModelDetail.as_view()),
 
+    # FormView
+    (r'^contact/$',
+        views.ContactView.as_view()),
+
     # Create/UpdateView
     (r'^edit/artists/create/$',
         views.ArtistCreate.as_view()),

tests/regressiontests/generic_views/views.py

@@ -2,11 +2,11 @@ from __future__ import absolute_import
 
 from django.contrib.auth.decorators import login_required
 from django.core.paginator import Paginator
-from django.core.urlresolvers import reverse
+from django.core.urlresolvers import reverse, reverse_lazy
 from django.utils.decorators import method_decorator
 from django.views import generic
 
-from .forms import AuthorForm
+from .forms import AuthorForm, ContactForm
 from .models import Artist, Author, Book, Page, BookSigning
 
 
@@ -75,6 +75,13 @@ class AuthorListCustomPaginator(AuthorList):
             orphans=2,
             allow_empty_first_page=allow_empty_first_page)
 
+
+class ContactView(generic.FormView):
+    form_class = ContactForm
+    success_url = reverse_lazy('authors_list')
+    template_name = 'generic_views/form.html'
+
+
 class ArtistCreate(generic.CreateView):
     model = Artist