diff --git a/Makefile b/Makefile
index 68472d1..8041e69 100644
--- a/Makefile
+++ b/Makefile
@@ -3,8 +3,11 @@ setup: deps db
 deps:
 	@pip install -r requirements.txt
 
+sandbox_run:
+	@env PYTHONPATH=$$PYTHONPATH:vows:. python vows/sandbox/manage.py runserver
+
 sandbox_shell:
-	@env PYTHONPATH=$$PYTHONPATH:vows/sandbox/:. python vows/sandbox/manage.py shell
+	@env PYTHONPATH=$$PYTHONPATH:vows:. python vows/sandbox/manage.py shell
 
 pyvows:
 	@env PYTHONPATH=$$PYTHONPATH:vows/sandbox/:. pyvows -c -l django_pyvows --profile-threshold 95 vows/
diff --git a/django_pyvows/__init__.py b/django_pyvows/__init__.py
index d3c1c5f..43d9932 100644
--- a/django_pyvows/__init__.py
+++ b/django_pyvows/__init__.py
@@ -9,3 +9,4 @@
 # Copyright (c) 2011 Rafael Caricio rafael@caricio.com
 
 from context import DjangoContext  # NOQA
+from assertions import *  # NOQA
diff --git a/django_pyvows/assertions.py b/django_pyvows/assertions.py
new file mode 100644
index 0000000..e918f0a
--- /dev/null
+++ b/django_pyvows/assertions.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# django-pyvows extensions
+# https://github.com/rafaelcaricio/django-pyvows
+
+# Licensed under the MIT license:
+# http://www.opensource.org/licenses/mit-license
+# Copyright (c) 2011 Rafael Caricio rafael@caricio.com
+
+from django.test import SimpleTestCase
+from pyvows import Vows
+
+
+class _Dummy(SimpleTestCase):
+    def nop():
+        pass
+
+dummy_testcase = _Dummy('nop')
+
+
+@Vows.assertion
+def redirects_to(*args, **kwargs):
+    return dummy_testcase.assertRedirects(*args, **kwargs)
+
+
+@Vows.assertion
+def contains(*args, **kwargs):
+    return dummy_testcase.assertContains(*args, **kwargs)
+
+
+@Vows.assertion
+def with_form_error(*args, **kwargs):
+    return dummy_testcase.assertFormError(*args, **kwargs)
diff --git a/vows/assertions_vows.py b/vows/assertions_vows.py
new file mode 100644
index 0000000..067274c
--- /dev/null
+++ b/vows/assertions_vows.py
@@ -0,0 +1,40 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# django-pyvows extensions
+# https://github.com/rafaelcaricio/django-pyvows
+
+# Licensed under the MIT license:
+# http://www.opensource.org/licenses/mit-license
+# Copyright (c) 2011 Rafael Caricio rafael@caricio.com
+
+from pyvows import Vows, expect
+
+from django_pyvows.context import DjangoContext
+
+DjangoContext.start_environment("sandbox.sandbox.settings")
+
+
+@Vows.batch
+class DjangoAssertionsVows(DjangoContext):
+
+    class RedirectsTo(DjangoContext):
+        def topic(self):
+            return self.get("/say")
+
+        def should_redirect(self, topic):
+            expect(topic).redirects_to('/say/', status_code=301)
+
+    class Contains(DjangoContext):
+        def topic(self):
+            return self.get('/say/')
+
+        def should_work(self, topic):
+            expect(topic).contains('name')
+
+    class WithFormError(DjangoContext):
+        def topic(self):
+            return self.post('/post-name/', {'another_field': 'filled'})
+
+        def should_work(self, topic):
+            expect(topic).with_form_error('form', 'your_name', 'This field is required.')
diff --git a/vows/sandbox/main/forms.py b/vows/sandbox/main/forms.py
new file mode 100644
index 0000000..3fb866d
--- /dev/null
+++ b/vows/sandbox/main/forms.py
@@ -0,0 +1,5 @@
+from django import forms
+
+
+class NameForm(forms.Form):
+    your_name = forms.CharField(label='Your name', max_length=100, required=True)
diff --git a/vows/sandbox/main/views.py b/vows/sandbox/main/views.py
index e334a90..39e10b8 100644
--- a/vows/sandbox/main/views.py
+++ b/vows/sandbox/main/views.py
@@ -10,6 +10,10 @@
 
 from django.conf import settings
 from django.http import HttpResponse
+from django.http import HttpResponseRedirect
+from django.shortcuts import render
+
+from .forms import NameForm
 
 
 def home(request):
@@ -33,3 +37,17 @@ def post_it(request):
 
 def post_file(request):
     return HttpResponse(request.FILES['the_file'].read().strip())
+
+
+def post_name(request):
+    if request.method == 'POST':
+        form = NameForm(request.POST)
+
+        if form.is_valid():
+            return HttpResponseRedirect(
+                    '/say/?name={}'.format(form.cleaned_data['your_name']))
+
+    else:
+        form = NameForm()
+
+    return render(request, 'name.html', {'form': form})
diff --git a/vows/sandbox/sandbox/urls.py b/vows/sandbox/sandbox/urls.py
index 6a48525..2ecfaf2 100644
--- a/vows/sandbox/sandbox/urls.py
+++ b/vows/sandbox/sandbox/urls.py
@@ -14,7 +14,7 @@ Including another URLconf
     2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
 """
 from django.conf.urls import url
-from main.views import home, say_hello, post_it, post_file
+from main.views import home, say_hello, post_it, post_file, post_name
 
 
 urlpatterns = [
@@ -22,4 +22,5 @@ urlpatterns = [
     url(r'^say/$', say_hello, name='say_hello'),
     url(r'^post_it/$', post_it, name='post_it'),
     url(r'^post_file/$', post_file, name='post_file'),
+    url(r'^post-name/$', post_name, name='post_name'),
 ]
diff --git a/vows/sandbox/templates/name.html b/vows/sandbox/templates/name.html
new file mode 100644
index 0000000..bd1b89c
--- /dev/null
+++ b/vows/sandbox/templates/name.html
@@ -0,0 +1,5 @@
+<form action="/post-name/" method="post">
+    {% csrf_token %}
+    {{ form }}
+    <input type="submit" value="Submit" />
+</form>