diff --git a/tests/test_BackendDemo.py b/tests/test_BackendDemo.py
new file mode 100644
index 0000000..70a4b0e
--- /dev/null
+++ b/tests/test_BackendDemo.py
@@ -0,0 +1,168 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from __future__ import with_statement
+from __future__ import unicode_literals
+
+import pytest
+import sys
+from sets import Set
+from ldapcherry.backend.backendDemo import Backend
+from ldapcherry.exceptions import *
+from disable import travis_disabled
+import cherrypy
+import logging
+
+cfg = {
+    'display_name': 'test',
+    'admin.groups': 'grp1, grp2',
+    'basic.groups': 'grp1, grp2, grp3',
+    'pwd_attr': 'userPassword',
+    'search_attributes': 'uid',
+}
+
+def syslog_error(msg='', context='',
+        severity=logging.INFO, traceback=False):
+    pass
+
+cherrypy.log.error = syslog_error
+attr = ['shéll', 'shell', 'cn', 'uid', 'uidNumber', 'gidNumber', 'home', 'userPassword', 'givenName', 'email', 'sn']
+
+default_user = {
+'uid': 'default_user',
+'sn':  'test',
+'cn':  'test',
+'userPassword': 'test',
+'uidNumber': '42',
+'gidNumber': '42',
+'homeDirectory': '/home/test/'
+}
+
+default_user2 = {
+'uid': 'default_user2',
+'sn':  'test',
+'cn':  'test',
+'userPassword': 'test',
+'uidNumber': '42',
+'gidNumber': '42',
+'homeDirectory': '/home/test/'
+}
+
+
+
+default_groups = ['grp1', 'grp2', 'grp3']
+
+
+class TestError(object):
+
+    def testNominal(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        return True
+
+    def testAuthSuccess(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        ret = inv.auth('admin', 'admin')
+        assert ret == True
+
+    def testAuthFailure(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        res = inv.auth('notauser', 'password') or inv.auth('default_user', 'notapassword')
+        assert res == False
+
+    def testMissingParam(self):
+        cfg2 = {}
+        return True
+        try:
+            inv = Backend(cfg2, cherrypy.log, 'test', attr, 'uid')
+        except MissingKey:
+            return
+        else:
+            raise AssertionError("expected an exception")
+
+    def testGetUser(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        inv.add_user(default_user)
+        inv.add_to_groups('default_user', default_groups)
+        ret = inv.get_user('default_user')
+        expected = default_user 
+        assert ret == expected
+
+    def testGetGroups(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        inv.add_user(default_user)
+        inv.add_to_groups('default_user', default_groups)
+        ret = inv.get_groups('default_user')
+        expected = Set(default_groups)
+        assert ret == expected
+
+    def testSearchUser(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        inv.add_user(default_user)
+        inv.add_user(default_user2)
+        ret = inv.search('default')
+        expected = ['default_user', 'default_user2']
+        assert Set(ret.keys()) == Set(expected)
+
+    def testAddUser(self):
+        try:
+            inv.del_user(u'test☭')
+        except:
+            pass
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        user = {
+        'uid': u'test☭',
+        'sn':  'test',
+        'cn':  'test',
+        'userPassword': 'test',
+        'uidNumber': '42',
+        'gidNumber': '42',
+        'homeDirectory': '/home/test/'
+        }
+        inv.add_user(user)
+        inv.del_user(u'test☭')
+
+    def testModifyUser(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        user = {
+        'uid': u'test☭',
+        'sn':  'test',
+        'cn':  'test',
+        'userPassword': 'test',
+        'uidNumber': '42',
+        'gidNumber': '42',
+        'homeDirectory': '/home/test/'
+        }
+        inv.add_user(user)
+        inv.set_attrs(u'test☭', {'gecos': 'test2', 'homeDirectory': '/home/test/'})
+        inv.del_user(u'test☭')
+
+    def testAddUserDuplicate(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        user = {
+        'uid': 'test',
+        'sn':  'test',
+        'cn':  'test',
+        'uidNumber': '42',
+        'userPassword': 'test',
+        'gidNumber': '42',
+        'homeDirectory': '/home/test/'
+        }
+        try:
+            inv.add_user(user)
+            inv.add_user(user)
+        except UserAlreadyExists:
+            inv.del_user('test')
+            return
+        else:
+            inv.del_user('test')
+            raise AssertionError("expected an exception")
+
+    def testDelUserDontExists(self):
+        inv = Backend(cfg, cherrypy.log, 'test', attr, 'uid')
+        try:
+            inv.del_user('test')
+            inv.del_user('test')
+        except UserDoesntExist:
+            return
+        else:
+            raise AssertionError("expected an exception")