diff --git a/.travis.yml b/.travis.yml
index 62e69e3..3d9d10c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,8 @@ env:
   matrix:
     - TOX_ENV=py27-django17
     - TOX_ENV=py27-django18
+    - TOX_ENV=py34-django17
+    - TOX_ENV=py34-django18
     - TOX_ENV=flake8
 cache:
   directories:
diff --git a/cas_server/forms.py b/cas_server/forms.py
index 4df2e03..58871b0 100644
--- a/cas_server/forms.py
+++ b/cas_server/forms.py
@@ -14,8 +14,8 @@ from .default_settings import settings
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-import utils
-import models
+import cas_server.utils as utils
+import cas_server.models as models
 
 
 class UserCredential(forms.Form):
diff --git a/cas_server/models.py b/cas_server/models.py
index b2d9813..6a21d12 100644
--- a/cas_server/models.py
+++ b/cas_server/models.py
@@ -27,7 +27,7 @@ from datetime import timedelta
 from concurrent.futures import ThreadPoolExecutor
 from requests_futures.sessions import FuturesSession
 
-import utils
+import cas_server.utils as utils
 
 SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
 
diff --git a/cas_server/utils.py b/cas_server/utils.py
index 0cf8b59..f2b94ad 100644
--- a/cas_server/utils.py
+++ b/cas_server/utils.py
@@ -16,12 +16,17 @@ from django.utils.importlib import import_module
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 
-import urlparse
-import urllib
 import random
 import string
 
 
+try:
+    from urlparse import urlparse, urlunparse, parse_qsl
+    from urllib import urlencode
+except ImportError:
+    from urllib.parse import urlparse, urlunparse, parse_qsl, urlencode
+
+
 def import_attr(path):
     """transform a python module.attr path to the attr"""
     if not isinstance(path, str):
@@ -33,26 +38,29 @@ def import_attr(path):
 def redirect_params(url_name, params=None):
     """Redirect to `url_name` with `params` as querystring"""
     url = reverse(url_name)
-    params = urllib.urlencode(params if params else {})
+    params = urlencode(params if params else {})
     return HttpResponseRedirect(url + "?%s" % params)
 
 
 def update_url(url, params):
     """update params in the `url` query string"""
-    if isinstance(url, unicode):
+    if not isinstance(url, bytes):
         url = url.encode('utf-8')
-    for key, value in params.items():
-        if isinstance(key, unicode):
+    for key, value in list(params.items()):
+        if not isinstance(key, bytes):
             del params[key]
             key = key.encode('utf-8')
-        if isinstance(value, unicode):
+        if not isinstance(value, bytes):
             value = value.encode('utf-8')
         params[key] = value
-    url_parts = list(urlparse.urlparse(url))
-    query = dict(urlparse.parse_qsl(url_parts[4]))
+    url_parts = list(urlparse(url))
+    query = dict(parse_qsl(url_parts[4]))
     query.update(params)
-    url_parts[4] = urllib.urlencode(query)
-    return urlparse.urlunparse(url_parts).decode('utf-8')
+    url_parts[4] = urlencode(query)
+    for i in range(len(url_parts)):
+        if not isinstance(url_parts[i], bytes):
+            url_parts[i] = url_parts[i].encode('utf-8')
+    return urlunparse(url_parts).decode('utf-8')
 
 
 def unpack_nested_exception(error):
diff --git a/cas_server/views.py b/cas_server/views.py
index cc3ee2b..dd1cc4d 100644
--- a/cas_server/views.py
+++ b/cas_server/views.py
@@ -26,9 +26,9 @@ import requests
 from lxml import etree
 from datetime import timedelta
 
-import utils
-import forms
-import models
+import cas_server.utils as utils
+import cas_server.forms as forms
+import cas_server.models as models
 
 from .models import ServiceTicket, ProxyTicket, ProxyGrantingTicket
 from .models import ServicePattern
@@ -633,7 +633,7 @@ class Proxy(View):
                 self.target_service,
                 pattern,
                 renew=False)
-            pticket.proxies.create(url=ticket.service)
+            models.Proxy.objects.create(proxy_ticket=pticket, url=ticket.service)
             return render(
                 self.request,
                 "cas_server/proxy.xml",
diff --git a/tests/dummy.py b/tests/dummy.py
index 95ee0fe..3534140 100644
--- a/tests/dummy.py
+++ b/tests/dummy.py
@@ -1,3 +1,4 @@
+import functools
 from cas_server import models
 
 class DummyUserManager(object):
@@ -10,6 +11,75 @@ class DummyUserManager(object):
         else:
             raise models.User.DoesNotExist()
 
+
+def dummy(*args, **kwds):
+    pass
+
+def dummy_service_pattern(**kwargs):
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwds):
+            service_validate = models.ServicePattern.validate
+            models.ServicePattern.validate = classmethod(lambda x,y: models.ServicePattern(**kwargs))
+            ret = func(*args, **kwds)
+            models.ServicePattern.validate = service_validate
+            return ret
+        return wrapper
+    return decorator
+
+def dummy_user(username, session_key):
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwds):
+            user_manager = models.User.objects
+            user_save = models.User.save
+            user_delete = models.User.delete
+            models.User.objects = DummyUserManager(username, session_key)
+            models.User.save = dummy
+            models.User.delete = dummy
+            ret = func(*args, **kwds)
+            models.User.objects = user_manager
+            models.User.save = user_save
+            models.User.delete = user_delete
+            return ret
+        return wrapper
+    return decorator
+
+def dummy_ticket(ticket_class, service, ticket):
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwds):
+            ticket_manager = ticket_class.objects
+            ticket_save = ticket_class.save
+            ticket_delete = ticket_class.delete
+            ticket_class.objects = DummyTicketManager(ticket_class, service, ticket)
+            ticket_class.save = dummy
+            ticket_class.delete = dummy
+            ret = func(*args, **kwds)
+            ticket_class.objects = ticket_manager
+            ticket_class.save = ticket_save
+            ticket_class.delete = ticket_delete
+            return ret
+        return wrapper
+    return decorator
+
+
+def dummy_proxy(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwds):
+        proxy_manager = models.Proxy.objects
+        models.Proxy.objects = DummyProxyManager()
+        ret = func(*args, **kwds)
+        models.Proxy.objects = proxy_manager
+        return ret
+    return wrapper
+
+class DummyProxyManager(object):
+    def create(self, **kwargs):
+        for field in models.Proxy._meta.fields:
+            field.allow_unsaved_instance_assignment = True
+        return models.Proxy(**kwargs)
+
 class DummyTicketManager(object):
     def __init__(self, ticket_class, service, ticket):
         self.ticket_class = ticket_class
@@ -17,7 +87,7 @@ class DummyTicketManager(object):
         self.ticket = ticket
 
     def create(self, **kwargs):
-        for field in models.ServiceTicket._meta.fields:
+        for field in self.ticket_class._meta.fields:
             field.allow_unsaved_instance_assignment = True
         return self.ticket_class(**kwargs)
 
@@ -25,6 +95,8 @@ class DummyTicketManager(object):
         return DummyQuerySet()
 
     def get(self, **kwargs):
+        for field in self.ticket_class._meta.fields:
+            field.allow_unsaved_instance_assignment = True
         if 'value' in kwargs:
             if kwargs['value'] != self.ticket:
                 raise self.ticket_class.DoesNotExist()
@@ -41,7 +113,7 @@ class DummyTicketManager(object):
         
         for field in models.ServiceTicket._meta.fields:
             field.allow_unsaved_instance_assignment = True
-        for key in kwargs.keys():
+        for key in list(kwargs):
             if '__' in key:
                 del kwargs[key]
         kwargs['attributs'] = {'mail': 'test@example.com'}
diff --git a/tests/test_proxy.py b/tests/test_proxy.py
new file mode 100644
index 0000000..963d834
--- /dev/null
+++ b/tests/test_proxy.py
@@ -0,0 +1,52 @@
+from __future__ import absolute_import
+from tests.init import *
+
+from django.test import RequestFactory
+
+import os
+import pytest
+from lxml import etree
+from cas_server.views import ValidateService, Proxy
+from cas_server import models
+
+from tests.dummy import *
+
+@pytest.mark.django_db
+@dummy_ticket(models.ProxyGrantingTicket, '', "PGT-random")
+@dummy_service_pattern(proxy=True)
+@dummy_user(username="test", session_key="test_session")
+@dummy_ticket(models.ProxyTicket, "https://www.example.com", "PT-random")
+@dummy_proxy
+def test_proxy_ok():
+    factory = RequestFactory()
+    request = factory.get('/proxy?pgt=PGT-random&targetService=https://www.example.com')
+
+    request.session = DummySession()
+
+    proxy = Proxy()
+    response = proxy.get(request)
+
+    assert response.status_code == 200
+
+    root = etree.fromstring(response.content)
+    proxy_tickets = root.xpath("//cas:proxyTicket", namespaces={'cas': "http://www.yale.edu/tp/cas"})
+
+    assert len(proxy_tickets) == 1
+
+    factory = RequestFactory()
+    request = factory.get('/proxyValidate?ticket=PT-random&service=https://www.example.com')
+
+    validate = ValidateService()
+    validate.allow_proxy_ticket = True
+    response = validate.get(request)
+    
+    assert response.status_code == 200
+
+    root = etree.fromstring(response.content)
+    users = root.xpath("//cas:user", namespaces={'cas': "http://www.yale.edu/tp/cas"})
+
+    assert len(users) == 1
+    assert users[0].text == "test"
+
+
+
diff --git a/tests/test_validate_service.py b/tests/test_validate_service.py
index b89b8fb..940e23b 100644
--- a/tests/test_validate_service.py
+++ b/tests/test_validate_service.py
@@ -12,15 +12,13 @@ from cas_server import models
 from .dummy import *
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
 def test_validate_service_view_ok():
     factory = RequestFactory()
     request = factory.get('/serviceValidate?ticket=ST-random&service=https://www.example.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-    models.ServiceTicket.save = lambda x:None
-
     validate = ValidateService()
     validate.allow_proxy_ticket = False
     response = validate.get(request)
@@ -47,15 +45,13 @@ def test_validate_service_view_ok():
 
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example2.com', "ST-random")
 def test_validate_service_view_badservice():
     factory = RequestFactory()
     request = factory.get('/serviceValidate?ticket=ST-random&service=https://www.example1.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example2.com', "ST-random")
-    models.ServiceTicket.save = lambda x:None
-
     validate = ValidateService()
     validate.allow_proxy_ticket = False
     response = validate.get(request)
@@ -70,15 +66,13 @@ def test_validate_service_view_badservice():
     assert error[0].attrib['code'] == 'INVALID_SERVICE'
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random2")
 def test_validate_service_view_badticket():
     factory = RequestFactory()
     request = factory.get('/serviceValidate?ticket=ST-random1&service=https://www.example.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random2")
-    models.ServiceTicket.save = lambda x:None
-
     validate = ValidateService()
     validate.allow_proxy_ticket = False
     response = validate.get(request)
diff --git a/tests/test_views_auth.py b/tests/test_views_auth.py
index 133cb85..4b4a9eb 100644
--- a/tests/test_views_auth.py
+++ b/tests/test_views_auth.py
@@ -14,36 +14,33 @@ from .dummy import *
 settings.CAS_AUTH_SHARED_SECRET = "test"
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
+@dummy_user(username="test", session_key="test_session")
+@dummy_service_pattern()
 def test_auth_view_goodpass():
     factory = RequestFactory()
     request = factory.post('/auth', {'username':'test', 'password':'test', 'service':'https://www.example.com', 'secret':'test'})
 
     request.session = DummySession()
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-    models.ServicePattern.validate = classmethod(lambda x,y: models.ServicePattern())
-
     auth = Auth()
     response = auth.post(request)
 
     assert response.status_code == 200
-    assert response.content == "yes\n"
-
+    assert response.content == b"yes\n"
 
+@dummy_service_pattern()
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
+@dummy_user(username="test", session_key="test_session")
 def test_auth_view_badpass():
     factory = RequestFactory()
     request = factory.post('/auth', {'username':'test', 'password':'badpass', 'service':'https://www.example.com', 'secret':'test'})
 
     request.session = DummySession()
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-    models.ServicePattern.validate = classmethod(lambda x,y: models.ServicePattern())
-
     auth = Auth()
     response = auth.post(request)
 
     assert response.status_code == 200
-    assert response.content == "no\n"
+    assert response.content == b"no\n"
 
diff --git a/tests/test_views_login.py b/tests/test_views_login.py
index 7dc7203..3b7d580 100644
--- a/tests/test_views_login.py
+++ b/tests/test_views_login.py
@@ -92,6 +92,7 @@ def test_view_login_get_unauth():
     assert response.status_code == 200
 
 @pytest.mark.django_db
+@dummy_user(username="test", session_key="test_session")
 def test_view_login_get_auth():
     factory = RequestFactory()
     request = factory.post('/login')
@@ -107,14 +108,15 @@ def test_view_login_get_auth():
 
     assert ret == LoginView.USER_AUTHENTICATED
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-
     login = LoginView()
     response = login.get(request)
 
     assert response.status_code == 200
 
 @pytest.mark.django_db
+@dummy_service_pattern()
+@dummy_user(username="test", session_key="test_session")
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
 def test_view_login_get_auth_service():
     factory = RequestFactory()
     request = factory.post('/login?service=https://www.example.com')
@@ -130,12 +132,6 @@ def test_view_login_get_auth_service():
 
     assert ret == LoginView.USER_AUTHENTICATED
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    models.User.save = lambda x:None
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-    models.ServicePattern.validate = classmethod(lambda x,y: models.ServicePattern())
-    models.ServiceTicket.save = lambda x:None
-
     login = LoginView()
     response = login.get(request)
 
@@ -143,6 +139,9 @@ def test_view_login_get_auth_service():
     assert response['Location'].startswith('https://www.example.com?ticket=ST-')
 
 @pytest.mark.django_db
+@dummy_service_pattern()
+@dummy_user(username="test", session_key="test_session")
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
 def test_view_login_get_auth_service_warn():
     factory = RequestFactory()
     request = factory.post('/login?service=https://www.example.com')
@@ -158,12 +157,6 @@ def test_view_login_get_auth_service_warn():
 
     assert ret == LoginView.USER_AUTHENTICATED
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    models.User.save = lambda x:None
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-    models.ServicePattern.validate = classmethod(lambda x,y: models.ServicePattern())
-    models.ServiceTicket.save = lambda x:None
-
     login = LoginView()
     response = login.get(request)
 
diff --git a/tests/test_views_logout.py b/tests/test_views_logout.py
index 9fa26f4..03410bd 100644
--- a/tests/test_views_logout.py
+++ b/tests/test_views_logout.py
@@ -13,6 +13,7 @@ from .dummy import *
 
 
 @pytest.mark.django_db
+@dummy_user(username="test", session_key="test_session")
 def test_logout_view():
     factory = RequestFactory()
     request = factory.get('/logout')
@@ -23,21 +24,17 @@ def test_logout_view():
     request.session["username"] = "test"
     request.session["warn"] = False
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    dlist = [None]
-    models.User.delete = lambda x:dlist.pop()
-
     logout = LogoutView()
     response = logout.get(request)
 
     assert response.status_code == 200
-    assert dlist == []
     assert not request.session.get("authenticated")
     assert not request.session.get("username")
     assert not request.session.get("warn")
 
 
 @pytest.mark.django_db
+@dummy_user(username="test", session_key="test_session")
 def test_logout_view_url():
     factory = RequestFactory()
     request = factory.get('/logout?url=https://www.example.com')
@@ -48,16 +45,11 @@ def test_logout_view_url():
     request.session["username"] = "test"
     request.session["warn"] = False
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    dlist = [None]
-    models.User.delete = lambda x:dlist.pop()
-
     logout = LogoutView()
     response = logout.get(request)
 
     assert response.status_code == 302
     assert response['Location'] == 'https://www.example.com'
-    assert dlist == []
     assert not request.session.get("authenticated")
     assert not request.session.get("username")
     assert not request.session.get("warn")
@@ -65,6 +57,7 @@ def test_logout_view_url():
 
 
 @pytest.mark.django_db
+@dummy_user(username="test", session_key="test_session")
 def test_logout_view_service():
     factory = RequestFactory()
     request = factory.get('/logout?service=https://www.example.com')
@@ -75,16 +68,11 @@ def test_logout_view_service():
     request.session["username"] = "test"
     request.session["warn"] = False
 
-    models.User.objects = DummyUserManager(username="test", session_key=request.session.session_key)
-    dlist = [None]
-    models.User.delete = lambda x:dlist.pop()
-
     logout = LogoutView()
     response = logout.get(request)
 
     assert response.status_code == 302
     assert response['Location'] == 'https://www.example.com'
-    assert dlist == []
     assert not request.session.get("authenticated")
     assert not request.session.get("username")
     assert not request.session.get("warn")
diff --git a/tests/test_views_validate.py b/tests/test_views_validate.py
index 5f71056..0aec568 100644
--- a/tests/test_views_validate.py
+++ b/tests/test_views_validate.py
@@ -12,50 +12,47 @@ from cas_server import models
 from .dummy import *
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
 def test_validate_view_ok():
     factory = RequestFactory()
     request = factory.get('/validate?ticket=ST-random&service=https://www.example.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-
     validate = Validate()
     response = validate.get(request)
 
     assert response.status_code == 200
-    assert response.content == "yes\n"
+    assert response.content == b"yes\n"
 
 
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random")
 def test_validate_view_badservice():
     factory = RequestFactory()
     request = factory.get('/validate?ticket=ST-random&service=https://www.example2.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random")
-
     validate = Validate()
     response = validate.get(request)
 
     assert response.status_code == 200
-    assert response.content == "no\n"
+    assert response.content == b"no\n"
 
 
 
 @pytest.mark.django_db
+@dummy_ticket(models.ServiceTicket, 'https://www.example.com', "ST-random1")
 def test_validate_view_badticket():
     factory = RequestFactory()
     request = factory.get('/validate?ticket=ST-random2&service=https://www.example.com')
 
     request.session = DummySession()
 
-    models.ServiceTicket.objects = DummyTicketManager(models.ServiceTicket, 'https://www.example.com', "ST-random1")
-
     validate = Validate()
     response = validate.get(request)
 
     assert response.status_code == 200
-    assert response.content == "no\n"
+    assert response.content == b"no\n"
diff --git a/tox.ini b/tox.ini
index 61adaeb..ea1e77e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,8 @@
 envlist=
     py27-django17,
     py27-django18,
+    py34-django17,
+    py34-django18,
     flake8,
 
 [flake8]
@@ -27,6 +29,18 @@ deps =
     Django>=1.8,<1.9
     {[base]deps}
 
+[testenv:py34-django17]
+basepython=python3.4
+deps =
+    Django>=1.7,<1.8
+    {[base]deps}
+
+[testenv:py34-django18]
+basepython=python3.4
+deps =
+    Django>=1.8,<1.9
+    {[base]deps}
+
 [testenv:flake8]
 basepython=python
 deps=flake8