diff --git a/TestON/tests/CHOTestMonkey/dependencies/elements/NetworkElement.py b/TestON/tests/CHOTestMonkey/dependencies/elements/NetworkElement.py
new file mode 100644
index 0000000..2a18ac7
--- /dev/null
+++ b/TestON/tests/CHOTestMonkey/dependencies/elements/NetworkElement.py
@@ -0,0 +1,80 @@
+"""
+This file contains device, host and link class for CHOTestMonkey
+Author: you@onlab.us
+"""
+
+class NetworkElement:
+    def __init__( self, index ):
+        self.default = ''
+        self.index = index
+        self.status = 'up'
+
+    def isUp( self ):
+        return self.status == 'up'
+
+    def isDown( self ):
+        return self.status == 'down'
+
+    def isRemoved( self ):
+        return self.status == 'removed'
+
+    def setPendingDown( self ):
+        self.status = 'pending_down'
+
+    def setRemoved( self ):
+        self.status = 'removed'
+
+    def bringDown( self ):
+        self.status = 'down'
+
+    def bringUp( self ):
+        self.status = 'up'
+
+class Device( NetworkElement ):
+    def __init__( self, index, name, dpid ):
+        NetworkElement.__init__( self, index )
+        self.name = name
+        self.dpid = dpid
+        self.hosts = []
+        # For each bidirectional link, we only store one direction here
+        self.outgoingLinks = []
+
+    def __str__( self ):
+        return "name: " + self.name + ", dpid: " + self.dpid
+
+class Host( NetworkElement ):
+    def __init__( self, index, name, id, mac, device, devicePort, vlan, ipAddresses ):
+        NetworkElement.__init__( self, index )
+        self.name = name
+        self.id = id
+        self.mac = mac
+        self.device = device
+        self.devicePort = devicePort
+        self.vlan = vlan
+        self.ipAddresses = ipAddresses
+        self.correspondents = []
+        self.handle = None
+
+    def __str__( self ):
+        return "name: " + self.name + ", mac: " + self.mac + ", device: " + self.device.dpid + ", ipAddresses: " + str( self.ipAddresses )
+
+    def setHandle( self, handle ):
+        self.handle = handle
+
+class Link( NetworkElement ):
+    """
+    Unidirectional link
+    """
+    def __init__( self, index, deviceA, portA, deviceB, portB ):
+        NetworkElement.__init__( self, index )
+        self.backwardLink = None
+        self.deviceA = deviceA
+        self.portA = portA
+        self.deviceB = deviceB
+        self.portB = portB
+
+    def __str__( self ):
+        return self.deviceA.dpid + "/" + self.portA + " - " + self.deviceB.dpid + "/" + self.portB
+
+    def setBackwardLink( self, link ):
+        self.backwardLink = link
diff --git a/TestON/tests/CHOTestMonkey/dependencies/elements/ONOSElement.py b/TestON/tests/CHOTestMonkey/dependencies/elements/ONOSElement.py
new file mode 100644
index 0000000..699a17d
--- /dev/null
+++ b/TestON/tests/CHOTestMonkey/dependencies/elements/ONOSElement.py
@@ -0,0 +1,61 @@
+"""
+This file contains intent class for CHOTestMonkey
+Author: you@onlab.us
+"""
+from threading import Lock
+
+class Controller:
+    def __init__( self, index ):
+        self.default = ''
+        self.index = index
+        self.ip = main.onosIPs[ index - 1 ]
+        self.CLI = None
+        self.CLILock = Lock()
+        self.status = 'up'
+
+    def setCLI( self, CLI ):
+        self.CLI = CLI
+
+    def startCLI( self ):
+        return self.CLI.startOnosCli( self.ip )
+
+    def isUp( self ):
+        return self.status == 'up'
+
+    def bringDown( self ):
+        self.status = 'down'
+
+    def bringUp( self ):
+        self.status = 'up'
+
+class Intent:
+    def __init__( self, id ):
+        self.default = ''
+        self.type = 'INTENT'
+        self.id = id
+
+    def isHostIntent( self ):
+        return self.type == 'INTENT_HOST'
+
+    def isPointIntent( self ):
+        return self.type == 'INTENT_POINT'
+
+class HostIntent( Intent ):
+    def __init__( self, id, hostA, hostB ):
+        Intent.__init__( self, id )
+        self.type = 'INTENT_HOST'
+        self.hostA = hostA
+        self.hostB = hostB
+
+    def __str__( self ):
+        return "ID: " + self.id
+
+class PointIntent( Intent ):
+    def __init__( self, id, deviceA, deviceB ):
+        Intent.__init__( self, id )
+        self.type = 'INTENT_POINT'
+        self.deviceA = deviceA
+        self.deviceB = deviceB
+
+    def __str__( self ):
+        return "ID: " + self.id
diff --git a/TestON/tests/CHOTestMonkey/dependencies/elements/__init__.py b/TestON/tests/CHOTestMonkey/dependencies/elements/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/TestON/tests/CHOTestMonkey/dependencies/elements/__init__.py