diff --git a/tests/test_manager.py b/tests/test_manager.py
new file mode 100644
index 0000000..710aa79
--- /dev/null
+++ b/tests/test_manager.py
@@ -0,0 +1,113 @@
+# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+#
+# Copyright (C) 2014 Regents of the University of California.
+# Author: Weiwei Liu <summerwing10@gmail.com>
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# A copy of the GNU General Public License is in the file COPYING.
+
+import unittest as ut
+import os.path
+from pyndn import Name
+from device_user_access_manager import DeviceUserAccessManager
+from device_profile import DeviceProfile
+from hmac_key import HMACKey
+
+class TestManagerMethods(ut.TestCase):
+    def setUp(self):
+        if not "HOME" in os.environ:
+            home = '.'
+        else:
+            home = os.environ["HOME"]
+
+        dbDirectory = os.path.join(home, '.ndn')
+        self.databaseFilePath = os.path.join(dbDirectory, 'ndnhome-controller.db')
+                
+        if os.path.isfile(self.databaseFilePath):
+            os.remove(self.databaseFilePath)
+        self.manager = DeviceUserAccessManager()
+
+    def tearDown(self):
+        pass
+
+    def test_01_manager_constructor(self):
+        print("test")
+        if not "HOME" in os.environ:
+            home = '.'
+        else:
+            home = os.environ["HOME"]
+
+        dbDirectory = os.path.join(home, '.ndn')
+        self.databaseFilePath = os.path.join(dbDirectory, 'ndnhome-controller.db')
+        self.manager = DeviceUserAccessManager()
+        self.assertTrue(os.path.isfile(self.databaseFilePath), 'fail to create database file')
+
+    def test_02_methods(self):
+        #create device
+        prefixStr = '/home/sensor/LED/1'
+        name = Name(prefixStr)
+        profile = DeviceProfile(prefix = name)
+        location = 'living_room'
+        profile.setLocation(location)
+        serviceProfileList  = ['/standard/sensor/simple-camera-control/v0', '/standard/sensor/simple-motionsensor-control/v0']
+        profile.setServiceProfile(serviceProfileList)
+        keyContent = 'this is key content'
+        seedName = 'led1'
+        seed =  HMACKey( 0, 0 ,keyContent, seedName)
+        configurationToken =  HMACKey(0, 0, keyContent)
+        commandTokenName1 = 'commandToken1'
+        commandTokenName2 = 'commandToken2'
+        commandToken = HMACKey(0,0, keyContent, commandTokenName1)
+        commandToken2 = HMACKey(0,0,keyContent, commandTokenName2)
+        commandName1 = 'turn_on'
+        commandName2 = 'turn_off'
+        commandTuple = (commandName1, commandToken)
+        commandTuple2 = (commandName2, commandToken2)
+        commandList =  [commandTuple, commandTuple2]
+        result = self.manager.createDevice(profile, seed, configurationToken, commandList)
+        self.assertTrue(result, 'fail to create device')
+       
+        #getDeviceProfile()
+        deviceProfile = self.manager.getDeviceProfile(name)
+        self.assertTrue(deviceProfile.getLocation() == location, 'wrong location in device profile ')
+        self.assertTrue(deviceProfile.getServiceProfileList() == serviceProfileList, 'wrong service profile list in device profile' )
+     
+        #getSeed()
+        seed = self.manager.getSeed(name)
+        self.assertTrue(seed.getName() == seedName, 'wrong seed name')
+        
+        #getConfigurationToken()
+        configurationToken = self.manager.getConfigurationToken(name)
+        self.assertTrue(configurationToken.getKey()== keyContent, 'wrong configration token')
+       
+        #getCommandToken()
+        commandToken1 = self.manager.getCommandToken(name, commandName1 )
+        commandToken2 = self.manager.getCommandToken(name, commandName2)
+        self.assertTrue(commandToken1.getName() == commandTokenName1, 'wrong commandToken')
+        self.assertTrue(commandToken2.getName() == commandTokenName2, 'wrong commandToken')
+ 
+        #getCommandsOfDevice()
+        commandNameList = self.manager.getCommandsOfDevice(name)
+        self.assertTrue(commandName1 in commandNameList, 'command:' + commandName1 + ' not found')
+        self.assertTrue(commandName2 in commandNameList, 'command:' + commandName2 + ' not found')
+
+        #getServiceProfilesOfDevice()
+        serviceProfileListReturned = self.manager.getServiceProfilesOfDevice(name)
+        self.assertTrue(serviceProfileList[0] in serviceProfileListReturned, 'service profile:' + serviceProfileList[0] + ' not found')
+        self.assertTrue(serviceProfileList[1] in serviceProfileListReturned, 'service profile:' + serviceProfileList[1] + ' not found')
+
+
+if __name__ == '__main__':
+    ut.main(verbosity=2)
+