diff --git a/tests/test_python.py b/tests/test_python.py
index b770a01..5bb4325 100755
--- a/tests/test_python.py
+++ b/tests/test_python.py
@@ -4,216 +4,184 @@
 import os
 import sys
 import logging
-import osm_im.vnfd as vnfd_catalog
-import osm_im.nsd as nsd_catalog
-from pyangbind.lib.serialise import pybindJSONDecoder
 import unittest
 import yaml
 from n2vc.vnf import N2VC
 
 NSD_YAML = """
-nsd-catalog:
+nsd:nsd-catalog:
     nsd:
-     -  id: rift_ping_pong_ns
-        logo: rift_logo.png
-        name: ping_pong_ns
-        short-name: ping_pong_ns
-        vendor: RIFT.io
-        version: '1.1'
-        description: RIFT.io sample ping pong network service
+    -   id: multicharmvdu-ns
+        name: multicharmvdu-ns
+        short-name: multicharmvdu-ns
+        description: NS with 2 VNFs multicharmvdu-vnf connected by datanet and mgmtnet VLs
+        version: '1.0'
+        logo: osm.png
         constituent-vnfd:
-        -   member-vnf-index: '1'
-            vnfd-id-ref: rift_ping_vnf
-        -   member-vnf-index: '2'
-            vnfd-id-ref: rift_pong_vnf
-        initial-service-primitive:
-        -   name: start traffic
-            parameter:
-            -   name: port
-                value: 5555
-            -   name: ssh-username
-                value: fedora
-            -   name: ssh-password
-                value: fedora
-            seq: '1'
-            user-defined-script: start_traffic.py
-        input-parameter-xpath:
-        -   xpath: /nsd:nsd-catalog/nsd:nsd/nsd:vendor
-        ip-profiles:
-        -   description: Inter VNF Link
-            ip-profile-params:
-                gateway-address: 31.31.31.210
-                ip-version: ipv4
-                subnet-address: 31.31.31.0/24
-                dhcp-params:
-                  count: 200
-                  start-address: 31.31.31.2
-            name: InterVNFLink
-        placement-groups:
-        -   member-vnfd:
-            -   member-vnf-index-ref: '1'
-                vnfd-id-ref: rift_ping_vnf
-            -   member-vnf-index-ref: '2'
-                vnfd-id-ref: rift_pong_vnf
-            name: Orcus
-            requirement: Place this VM on the Kuiper belt object Orcus
-            strategy: COLOCATION
-        -   member-vnfd:
-            -   member-vnf-index-ref: '1'
-                vnfd-id-ref: rift_ping_vnf
-            -   member-vnf-index-ref: '2'
-                vnfd-id-ref: rift_pong_vnf
-            name: Quaoar
-            requirement: Place this VM on the Kuiper belt object Quaoar
-            strategy: COLOCATION
+        -   vnfd-id-ref: multicharmvdu-vnf
+            member-vnf-index: '1'
+        -   vnfd-id-ref: multicharmvdu-vnf
+            member-vnf-index: '2'
         vld:
-        -   id: mgmt_vl
-            description: Management VL
-            name: mgmt_vl
-            short-name: mgmt_vl
-            vim-network-name: mgmt
+        -   id: mgmtnet
+            name: mgmtnet
+            short-name: mgmtnet
             type: ELAN
-            vendor: RIFT.io
-            version: '1.0'
             mgmt-network: 'true'
+            vim-network-name: mgmt
             vnfd-connection-point-ref:
-            -   member-vnf-index-ref: '1'
-                vnfd-connection-point-ref: ping_vnfd/cp0
-                vnfd-id-ref: rift_ping_vnf
-            -   member-vnf-index-ref: '2'
-                vnfd-connection-point-ref: pong_vnfd/cp0
-                vnfd-id-ref: rift_pong_vnf
-        -   id: ping_pong_vl1
-            description: Data VL
-            ip-profile-ref: InterVNFLink
-            name: data_vl
-            short-name: data_vl
+            -   vnfd-id-ref: multicharmvdu-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: vnf-mgmt
+            -   vnfd-id-ref: multicharmvdu-vnf
+                member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: vnf-mgmt
+        -   id: datanet
+            name: datanet
+            short-name: datanet
             type: ELAN
-            vendor: RIFT.io
-            version: '1.0'
             vnfd-connection-point-ref:
-            -   member-vnf-index-ref: '1'
-                vnfd-connection-point-ref: ping_vnfd/cp1
-                vnfd-id-ref: rift_ping_vnf
-            -   member-vnf-index-ref: '2'
-                vnfd-connection-point-ref: pong_vnfd/cp1
-                vnfd-id-ref: rift_pong_vnf
+            -   vnfd-id-ref: multicharmvdu-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: vnf-data
+            -   vnfd-id-ref: multicharmvdu-vnf
+                member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: vnf-data
 """
 
-VNFD_VCA_YAML = """
-vnfd-catalog:
+VNFD_YAML = """
+vnfd:vnfd-catalog:
     vnfd:
-     -  id: rift_ping_vnf
-        name: ping_vnf
-        short-name: ping_vnf
-        logo: rift_logo.png
-        vendor: RIFT.io
-        version: '1.1'
-        description: This is an example RIFT.ware VNF
+    -   id: multicharmvdu-vnf
+        name: multicharmvdu-vnf
+        short-name: multicharmvdu-vnf
+        version: '1.0'
+        description: A VNF consisting of 2 VDUs w/charms connected to an internal VL, and one VDU with cloud-init
+        logo: osm.png
         connection-point:
-        -   name: ping_vnfd/cp0
+        -   id: vnf-mgmt
+            name: vnf-mgmt
+            short-name: vnf-mgmt
             type: VPORT
-        -   name: ping_vnfd/cp1
+        -   id: vnf-data
+            name: vnf-data
+            short-name: vnf-data
             type: VPORT
-        http-endpoint:
-        -   path: api/v1/ping/stats
-            port: '18888'
         mgmt-interface:
-            dashboard-params:
-                path: api/v1/ping/stats
-                port: '18888'
-            port: '18888'
-            cp: ping_vnfd/cp0
-        placement-groups:
-        -   member-vdus:
-            -   member-vdu-ref: iovdu_0
-            name: Eris
-            requirement: Place this VM on the Kuiper belt object Eris
-            strategy: COLOCATION
+            cp: vnf-mgmt
+        internal-vld:
+        -   id: internal
+            name: internal
+            short-name: internal
+            type: ELAN
+            internal-connection-point:
+            -   id-ref: mgmtVM-internal
+            -   id-ref: dataVM-internal
         vdu:
-        -   cloud-init-file: ping_cloud_init.cfg
+        -   id: mgmtVM
+            name: mgmtVM
+            image: xenial
             count: '1'
-            interface:
-            -   name: eth0
-                position: 0
-                type: EXTERNAL
-                virtual-interface:
-                    type: VIRTIO
-                external-connection-point-ref: ping_vnfd/cp0
-            -   name: eth1
-                position: 1
-                type: EXTERNAL
-                virtual-interface:
-                    type: VIRTIO
-                external-connection-point-ref: ping_vnfd/cp1
-            id: iovdu_0
-            image: Fedora-x86_64-20-20131211.1-sda-ping.qcow2
-            name: iovdu_0
             vm-flavor:
-                memory-mb: '512'
-                storage-gb: '4'
                 vcpu-count: '1'
-        vnf-configuration:
-            config-primitive:
-            -   name: start
-            -   name: stop
-            -   name: restart
-            -   name: config
-                parameter:
-                -   data-type: STRING
-                    default-value: <rw_mgmt_ip>
-                    name: ssh-hostname
-                -   data-type: STRING
-                    default-value: fedora
-                    name: ssh-username
-                -   data-type: STRING
-                    default-value: fedora
-                    name: ssh-password
-                -   data-type: STRING
-                    name: ssh-private-key
-                -   data-type: STRING
-                    default-value: ping
-                    name: mode
-                    read-only: 'true'
-            -   name: set-server
-                parameter:
-                -   data-type: STRING
-                    name: server-ip
-                -   data-type: INTEGER
-                    name: server-port
-            -   name: set-rate
-                parameter:
-                -   data-type: INTEGER
-                    default-value: '5'
-                    name: rate
-            -   name: start-traffic
-            -   name: stop-traffic
-            initial-config-primitive:
-            -   name: config
-                parameter:
-                -   name: ssh-hostname
-                    value: <rw_mgmt_ip>
-                -   name: ssh-username
-                    value: fedora
-                -   name: ssh-password
-                    value: fedora
-                -   name: mode
-                    value: ping
-                seq: '1'
-            -   name: start
-                seq: '2'
-            juju:
-                charm: pingpong
+                memory-mb: '1024'
+                storage-gb: '10'
+            interface:
+            -   name: mgmtVM-eth0
+                position: '1'
+                type: EXTERNAL
+                virtual-interface:
+                    type: VIRTIO
+                external-connection-point-ref: vnf-mgmt
+            -   name: mgmtVM-eth1
+                position: '2'
+                type: INTERNAL
+                virtual-interface:
+                    type: VIRTIO
+                internal-connection-point-ref: mgmtVM-internal
+            internal-connection-point:
+            -   id: mgmtVM-internal
+                name: mgmtVM-internal
+                short-name: mgmtVM-internal
+                type: VPORT
+            cloud-init-file: cloud-config.txt
+            vdu-configuration:
+                juju:
+                    charm: simple
+                initial-config-primitive:
+                -   seq: '1'
+                    name: config
+                    parameter:
+                    -   name: ssh-hostname
+                        value: <rw_mgmt_ip>
+                    -   name: ssh-username
+                        value: ubuntu
+                    -   name: ssh-password
+                        value: osm4u
+                -   seq: '2'
+                    name: touch
+                    parameter:
+                    -   name: filename
+                        value: '/home/ubuntu/first-touch-mgmtVM'
+                config-primitive:
+                -   name: touch
+                    parameter:
+                    -   name: filename
+                        data-type: STRING
+                        default-value: '/home/ubuntu/touched'
+
+        -   id: dataVM
+            name: dataVM
+            image: xenial
+            count: '1'
+            vm-flavor:
+                vcpu-count: '1'
+                memory-mb: '1024'
+                storage-gb: '10'
+            interface:
+            -   name: dataVM-eth0
+                position: '1'
+                type: INTERNAL
+                virtual-interface:
+                    type: VIRTIO
+                internal-connection-point-ref: dataVM-internal
+            -   name: dataVM-xe0
+                position: '2'
+                type: EXTERNAL
+                virtual-interface:
+                    type: VIRTIO
+                external-connection-point-ref: vnf-data
+            internal-connection-point:
+            -   id: dataVM-internal
+                name: dataVM-internal
+                short-name: dataVM-internal
+                type: VPORT
+            vdu-configuration:
+                juju:
+                    charm: simple
+                initial-config-primitive:
+                -   seq: '1'
+                    name: config
+                    parameter:
+                    -   name: ssh-hostname
+                        value: <rw_mgmt_ip>
+                    -   name: ssh-username
+                        value: ubuntu
+                    -   name: ssh-password
+                        value: osm4u
+                -   seq: '2'
+                    name: touch
+                    parameter:
+                    -   name: filename
+                        value: '/home/ubuntu/first-touch-dataVM'
+                config-primitive:
+                -   name: touch
+                    parameter:
+                    -   name: filename
+                        data-type: STRING
+                        default-value: '/home/ubuntu/touched'
 """
 
-NSD_DICT = {'name': 'ping_pong_ns', 'short-name': 'ping_pong_ns', 'ip-profiles': [{'ip-profile-params': {'ip-version': 'ipv4', 'dhcp-params': {'count': 200, 'start-address': '31.31.31.2'}, 'subnet-address': '31.31.31.0/24', 'gateway-address': '31.31.31.210'}, 'description': 'Inter VNF Link', 'name': 'InterVNFLink'}], 'logo': 'rift_logo.png', 'description': 'RIFT.io sample ping pong network service', '_admin': {'storage': {'folder': 'd9bc2e64-dfec-4c36-a8bb-c4667e8d7a53', 'tarfile': 'pkg', 'file': 'ping_pong_ns', 'path': '/app/storage/', 'fs': 'local'}, 'created': 1521127984.6414561, 'modified': 1521127984.6414561, 'projects_write': ['admin'], 'projects_read': ['admin']}, 'placement-groups': [{'member-vnfd': [{'member-vnf-index-ref': '1', 'vnfd-id-ref': 'rift_ping_vnf'}, {'member-vnf-index-ref': '2', 'vnfd-id-ref': 'rift_pong_vnf'}], 'name': 'Orcus', 'strategy': 'COLOCATION', 'requirement': 'Place this VM on the Kuiper belt object Orcus'}, {'member-vnfd': [{'member-vnf-index-ref': '1', 'vnfd-id-ref': 'rift_ping_vnf'}, {'member-vnf-index-ref': '2', 'vnfd-id-ref': 'rift_pong_vnf'}], 'name': 'Quaoar', 'strategy': 'COLOCATION', 'requirement': 'Place this VM on the Kuiper belt object Quaoar'}], 'input-parameter-xpath': [{'xpath': '/nsd:nsd-catalog/nsd:nsd/nsd:vendor'}], 'version': '1.1', 'vld': [{'name': 'mgmt', 'short-name': 'mgmt', 'mgmt-network': 'true', 'vim-network-name': 'mgmt', 'version': '1.0', 'vnfd-connection-point-ref': [{'vnfd-connection-point-ref': 'ping_vnfd/cp0', 'member-vnf-index-ref': '1', 'vnfd-id-ref': 'rift_ping_vnf'}, {'vnfd-connection-point-ref': 'pong_vnfd/cp0', 'member-vnf-index-ref': '2', 'vnfd-id-ref': 'rift_pong_vnf'}], 'description': 'Management VL', 'vendor': 'RIFT.io', 'type': 'ELAN', 'id': 'mgmt'}, {'ip-profile-ref': 'InterVNFLink', 'name': 'data_vl', 'short-name': 'data_vl', 'version': '1.0', 'vnfd-connection-point-ref': [{'vnfd-connection-point-ref': 'ping_vnfd/cp1', 'member-vnf-index-ref': '1', 'vnfd-id-ref': 'rift_ping_vnf'}, {'vnfd-connection-point-ref': 'pong_vnfd/cp1', 'member-vnf-index-ref': '2', 'vnfd-id-ref': 'rift_pong_vnf'}], 'description': 'Data VL', 'vendor': 'RIFT.io', 'type': 'ELAN', 'id': 'ping_pong_vl1'}], 'constituent-vnfd': [{'member-vnf-index': '1', 'vnfd-id-ref': 'rift_ping_vnf'}, {'member-vnf-index': '2', 'vnfd-id-ref': 'rift_pong_vnf'}], '_id': 'd9bc2e64-dfec-4c36-a8bb-c4667e8d7a53', 'vendor': 'RIFT.io', 'id': 'rift_ping_pong_ns', 'initial-service-primitive': [{'parameter': [{'name': 'port', 'value': 5555}, {'name': 'ssh-username', 'value': 'fedora'}, {'name': 'ssh-password', 'value': 'fedora'}], 'name': 'start traffic', 'seq': '1', 'user-defined-script': 'start_traffic.py'}]}
-
-
-VNFD_PING_DICT = {'name': 'ping_vnf', 'short-name': 'ping_vnf', 'mgmt-interface': {'port': '18888', 'cp': 'ping_vnfd/cp0', 'dashboard-params': {'port': '18888', 'path': 'api/v1/ping/stats'}}, 'description': 'This is an example RIFT.ware VNF', 'connection-point': [{'type': 'VPORT', 'name': 'ping_vnfd/cp0'}, {'type': 'VPORT', 'name': 'ping_vnfd/cp1'}], '_admin': {'storage': {'folder': '9ad8de93-cfcc-4da9-9795-d7dc5fec184e', 'fs': 'local', 'file': 'ping_vnf', 'path': '/app/storage/', 'tarfile': 'pkg'}, 'created': 1521127972.1878572, 'modified': 1521127972.1878572, 'projects_write': ['admin'], 'projects_read': ['admin']}, 'vnf-configuration': {'initial-config-primitive': [{'parameter': [{'name': 'ssh-hostname', 'value': '<rw_mgmt_ip>'}, {'name': 'ssh-username', 'value': 'ubuntu'}, {'name': 'ssh-password', 'value': 'ubuntu'}, {'name': 'mode', 'value': 'ping'}], 'name': 'config', 'seq': '1'}, {'name': 'start', 'seq': '2'}], 'juju': {'charm': 'pingpong'}, 'config-primitive': [{'name': 'start'}, {'name': 'stop'}, {'name': 'restart'}, {'parameter': [{'data-type': 'STRING', 'name': 'ssh-hostname', 'default-value': '<rw_mgmt_ip>'}, {'data-type': 'STRING', 'name': 'ssh-username', 'default-value': 'ubuntu'}, {'data-type': 'STRING', 'name': 'ssh-password', 'default-value': 'ubuntu'}, {'data-type': 'STRING', 'name': 'ssh-private-key'}, {'data-type': 'STRING', 'name': 'mode', 'read-only': 'true', 'default-value': 'ping'}], 'name': 'config'}, {'parameter': [{'data-type': 'STRING', 'name': 'server-ip'}, {'data-type': 'INTEGER', 'name': 'server-port'}], 'name': 'set-server'}, {'parameter': [{'data-type': 'INTEGER', 'name': 'rate', 'default-value': '5'}], 'name': 'set-rate'}, {'name': 'start-traffic'}, {'name': 'stop-traffic'}]}, 'placement-groups': [{'member-vdus': [{'member-vdu-ref': 'iovdu_0'}], 'name': 'Eris', 'strategy': 'COLOCATION', 'requirement': 'Place this VM on the Kuiper belt object Eris'}], 'http-endpoint': [{'port': '18888', 'path': 'api/v1/ping/stats'}], 'version': '1.1', 'logo': 'rift_logo.png', 'vdu': [{'vm-flavor': {'vcpu-count': '1', 'storage-gb': '20', 'memory-mb': '2048'}, 'count': '1', 'interface': [{'type': 'EXTERNAL', 'name': 'eth0', 'position': 0, 'virtual-interface': {'type': 'VIRTIO'}, 'external-connection-point-ref': 'ping_vnfd/cp0'}, {'type': 'EXTERNAL', 'name': 'eth1', 'position': 1, 'virtual-interface': {'type': 'VIRTIO'}, 'external-connection-point-ref': 'ping_vnfd/cp1'}], 'name': 'iovdu_0', 'image': 'xenial', 'id': 'iovdu_0', 'cloud-init-file': 'ping_cloud_init.cfg'}], '_id': '9ad8de93-cfcc-4da9-9795-d7dc5fec184e', 'vendor': 'RIFT.io', 'id': 'rift_ping_vnf'}
-
-VNFD_PONG_DICT = {'name': 'pong_vnf', 'short-name': 'pong_vnf', 'mgmt-interface': {'port': '18888', 'cp': 'pong_vnfd/cp0', 'dashboard-params': {'port': '18888', 'path': 'api/v1/pong/stats'}}, 'description': 'This is an example RIFT.ware VNF', 'connection-point': [{'type': 'VPORT', 'name': 'pong_vnfd/cp0'}, {'type': 'VPORT', 'name': 'pong_vnfd/cp1'}], '_admin': {'storage': {'folder': '9ad8de93-cfcc-4da9-9795-d7dc5fec184e', 'fs': 'local', 'file': 'pong_vnf', 'path': '/app/storage/', 'tarfile': 'pkg'}, 'created': 1521127972.1878572, 'modified': 1521127972.1878572, 'projects_write': ['admin'], 'projects_read': ['admin']}, 'vnf-configuration': {'initial-config-primitive': [{'parameter': [{'name': 'ssh-hostname', 'value': '<rw_mgmt_ip>'}, {'name': 'ssh-username', 'value': 'ubuntu'}, {'name': 'ssh-password', 'value': 'ubuntu'}, {'name': 'mode', 'value': 'pong'}], 'name': 'config', 'seq': '1'}, {'name': 'start', 'seq': '2'}], 'juju': {'charm': 'pingpong'}, 'config-primitive': [{'name': 'start'}, {'name': 'stop'}, {'name': 'restart'}, {'parameter': [{'data-type': 'STRING', 'name': 'ssh-hostname', 'default-value': '<rw_mgmt_ip>'}, {'data-type': 'STRING', 'name': 'ssh-username', 'default-value': 'ubuntu'}, {'data-type': 'STRING', 'name': 'ssh-password', 'default-value': 'ubuntu'}, {'data-type': 'STRING', 'name': 'ssh-private-key'}, {'data-type': 'STRING', 'name': 'mode', 'read-only': 'true', 'default-value': 'pong'}], 'name': 'config'}, {'parameter': [{'data-type': 'STRING', 'name': 'server-ip'}, {'data-type': 'INTEGER', 'name': 'server-port'}], 'name': 'set-server'}, {'parameter': [{'data-type': 'INTEGER', 'name': 'rate', 'default-value': '5'}], 'name': 'set-rate'}, {'name': 'start-traffic'}, {'name': 'stop-traffic'}]}, 'placement-groups': [{'member-vdus': [{'member-vdu-ref': 'iovdu_0'}], 'name': 'Eris', 'strategy': 'COLOCATION', 'requirement': 'Place this VM on the Kuiper belt object Eris'}], 'http-endpoint': [{'port': '18888', 'path': 'api/v1/pong/stats'}], 'version': '1.1', 'logo': 'rift_logo.png', 'vdu': [{'vm-flavor': {'vcpu-count': '1', 'storage-gb': '20', 'memory-mb': '2048'}, 'count': '1', 'interface': [{'type': 'EXTERNAL', 'name': 'eth0', 'position': 0, 'virtual-interface': {'type': 'VIRTIO'}, 'external-connection-point-ref': 'ping_vnfd/cp0'}, {'type': 'EXTERNAL', 'name': 'eth1', 'position': 1, 'virtual-interface': {'type': 'VIRTIO'}, 'external-connection-point-ref': 'ping_vnfd/cp1'}], 'name': 'iovdu_0', 'image': 'xenial', 'id': 'iovdu_0', 'cloud-init-file': 'pong_cloud_init.cfg'}], '_id': '9ad8de93-cfcc-4da9-9795-d7dc5fec184e', 'vendor': 'RIFT.io', 'id': 'rift_pong_vnf'}
-
-
 class PythonTest(unittest.TestCase):
     n2vc = None
 
@@ -222,8 +190,10 @@
         self.log = logging.getLogger()
         self.log.level = logging.DEBUG
 
-        self.loop = asyncio.new_event_loop()
-        asyncio.set_event_loop(None)
+        self.loop = asyncio.get_event_loop()
+
+        # self.loop = asyncio.new_event_loop()
+        # asyncio.set_event_loop(None)
 
         # Extract parameters from the environment in order to run our test
         vca_host = os.getenv('VCA_HOST', '127.0.0.1')
@@ -243,38 +213,20 @@
     def tearDown(self):
         self.loop.run_until_complete(self.n2vc.logout())
 
-    def get_vnf_descriptor(self, descriptor):
-        vnfd = vnfd_catalog.vnfd()
+    def get_descriptor(self, descriptor):
+        desc = None
         try:
-            data = yaml.load(descriptor)
-            pybindJSONDecoder.load_ietf_json(data, None, None, obj=vnfd)
+            tmp = yaml.load(descriptor)
+
+            # Remove the envelope
+            root = list(tmp.keys())[0]
+            if root == "nsd:nsd-catalog":
+                desc = tmp['nsd:nsd-catalog']['nsd'][0]
+            elif root == "vnfd:vnfd-catalog":
+                desc = tmp['vnfd:vnfd-catalog']['vnfd'][0]
         except ValueError:
             assert False
-        return vnfd
-
-    def get_ns_descriptor(self, descriptor):
-        nsd = nsd_catalog.nsd()
-        try:
-            data = yaml.load(descriptor)
-            pybindJSONDecoder.load_ietf_json(data, None, None, obj=nsd)
-        except ValueError:
-            assert False
-        return nsd
-
-    # def test_descriptor(self):
-    #     """Test loading and parsing a descriptor."""
-    #     nsd = self.get_ns_descriptor(NSD_YAML)
-    #     vnfd = self.get_vnf_descriptor(VNFD_VCA_YAML)
-    #     if vnfd and nsd:
-    #         pass
-
-    # def test_yang_to_dict(self):
-    #     # Test the conversion of the native object returned by pybind to a dict
-    #     # Extract parameters from the environment in order to run our test
-    #
-    #     nsd = self.get_ns_descriptor(NSD_YAML)
-    #     new = yang_to_dict(nsd)
-    #     self.assertEqual(NSD_DICT, new)
+        return desc
 
     def n2vc_callback(self, model_name, application_name, workload_status, task=None):
         """We pass the vnfd when setting up the callback, so expect it to be
@@ -301,56 +253,90 @@
             elif workload_status in ["active"]:
                 self.log.debug("Removing charm")
                 task = asyncio.ensure_future(
-                    self.n2vc.RemoveCharms(model_name, application_name, self.n2vc_callback, model_name, application_name)
+                    self.n2vc.RemoveCharms(model_name, application_name, self.n2vc_callback)
                 )
                 task.add_done_callback(functools.partial(self.n2vc_callback, None, None, None))
-        elif task:
-            if task.done():
-                self.loop.stop()
 
     def test_deploy_application(self):
         stream_handler = logging.StreamHandler(sys.stdout)
         self.log.addHandler(stream_handler)
         try:
             self.log.info("Log handler installed")
-            nsd = NSD_DICT
-            vnfd_ping = VNFD_PING_DICT
-            vnfd_pong = VNFD_PONG_DICT
-            if nsd and vnfd_ping and vnfd_pong:
+            nsd = self.get_descriptor(NSD_YAML)
+            vnfd = self.get_descriptor(VNFD_YAML)
+
+            if nsd and vnfd:
+
                 vca_charms = os.getenv('VCA_CHARMS', None)
 
-                config = vnfd_ping['vnf-configuration']
-                self.assertIsNotNone(config)
+                params = {}
+                vnf_index = 0
 
-                juju = config['juju']
-                self.assertIsNotNone(juju)
+                def deploy():
+                    """An inner function to do the deployment of a charm from
+                    either a vdu or vnf.
+                    """
+                    charm_dir = "{}/{}".format(vca_charms, charm)
 
-                charm = juju['charm']
-                self.assertIsNotNone(charm)
+                    # Setting this to an IP that will fail the initial config.
+                    # This will be detected in the callback, which will execute
+                    # the "config" primitive with the right IP address.
+                    params['rw_mgmt_ip'] = '10.195.8.78'
 
-                charm_dir = "{}/{}".format(vca_charms, charm)
-                # n.callback_status = self.callback_status
+                    # self.loop.run_until_complete(n.CreateNetworkService(nsd))
+                    ns_name = "default"
 
-                # Setting this to an IP that will fail the initial config.
-                # This will be detected in the callback, which will execute
-                # the "config" primitive with the right IP address.
-                params = {
-                    'rw_mgmt_ip': '127.0.0.1'
-                }
+                    vnf_name = self.n2vc.FormatApplicationName(
+                        ns_name,
+                        vnfd['name'],
+                        str(vnf_index),
+                    )
 
-                # self.loop.run_until_complete(n.CreateNetworkService(nsd))
-                # task = asyncio.ensure_future(n.DeployCharms(vnfd, nsd=nsd, artifacts=charm_dir))
-                # task = asyncio.ensure_future(n.DeployCharms(vnfd, nsd=nsd, artifacts=charm_dir))
-                ns_name = "default"
+                    self.loop.run_until_complete(
+                        self.n2vc.DeployCharms(
+                            ns_name,
+                            vnf_name,
+                            vnfd,
+                            charm_dir,
+                            params,
+                            {},
+                            self.n2vc_callback
+                        )
+                    )
 
-                ping_vnf_name = self.n2vc.FormatApplicationName(ns_name, vnfd_ping['name'])
-                pong_vnf_name = self.n2vc.FormatApplicationName(ns_name, vnfd_pong['name'])
+                # Check if the VDUs in this VNF have a charm
+                for vdu in vnfd['vdu']:
+                    vdu_config = vdu.get('vdu-configuration')
+                    if vdu_config:
+                        juju = vdu_config['juju']
+                        self.assertIsNotNone(juju)
 
-                self.loop.run_until_complete(self.n2vc.DeployCharms(ns_name, ping_vnf_name, vnfd_ping, charm_dir, params, {}, self.n2vc_callback))
-                self.loop.run_until_complete(self.n2vc.DeployCharms(ns_name, pong_vnf_name, vnfd_pong, charm_dir, params, {}, self.n2vc_callback))
+                        charm = juju['charm']
+                        self.assertIsNotNone(charm)
+
+                        params['initial-config-primitive'] = vdu_config['initial-config-primitive']
+
+                        deploy()
+                        vnf_index += 1
+
+                # Check if this VNF has a charm
+                vnf_config = vnfd.get("vnf-configuration")
+                if vnf_config:
+                    juju = vnf_config['juju']
+                    self.assertIsNotNone(juju)
+
+                    charm = juju['charm']
+                    self.assertIsNotNone(charm)
+
+                    params['initial-config-primitive'] = vnf_config['initial-config-primitive']
+
+                    deploy()
+                    vnf_index += 1
+
                 self.loop.run_forever()
 
                 # self.loop.run_until_complete(n.GetMetrics(vnfd, nsd=nsd))
+
                 # Test actions
                 #  ExecutePrimitive(self, nsd, vnfd, vnf_member_index, primitive, callback, *callback_args, **params):
 
@@ -359,76 +345,3 @@
                 # self.loop.run_until_complete(self.n2vc.logout())
         finally:
             self.log.removeHandler(stream_handler)
-
-    # def test_deploy_application(self):
-    #
-    #     nsd = self.get_ns_descriptor(NSD_YAML)
-    #     vnfd = self.get_vnf_descriptor(VNFD_VCA_YAML)
-    #     if nsd and vnfd:
-    #         # 1) Test that we're parsing the data correctly
-    #         for vnfd_yang in vnfd.vnfd_catalog.vnfd.itervalues():
-    #             vnfd_rec = vnfd_yang.get()
-    #             # Each vnfd may have a charm
-    #             # print(vnfd)
-    #             config = vnfd_rec.get('vnf-configuration')
-    #             self.assertIsNotNone(config)
-    #
-    #             juju = config.get('juju')
-    #             self.assertIsNotNone(juju)
-    #
-    #             charm = juju.get('charm')
-    #             self.assertIsNotNone(charm)
-    #
-    #         # 2) Exercise the data by deploying the charms
-    #
-    #         # Extract parameters from the environment in order to run our test
-    #         vca_host = os.getenv('VCA_HOST', '127.0.0.1')
-    #         vca_port = os.getenv('VCA_PORT', 17070)
-    #         vca_user = os.getenv('VCA_USER', 'admin')
-    #         vca_charms = os.getenv('VCA_CHARMS', None)
-    #         vca_secret = os.getenv('VCA_SECRET', None)
-    #         # n = N2VC(
-    #         #     server='10.195.8.254',
-    #         #     port=17070,
-    #         #     user='admin',
-    #         #     secret='74e7aa0cc9cb294de3af294bd76b4604'
-    #         # )
-    #         n = N2VC(
-    #             server=vca_host,
-    #             port=vca_port,
-    #             user=vca_user,
-    #             secret=vca_secret,
-    #             artifacts=vca_charms,
-    #         )
-    #
-    #         n.callback_status = self.callback_status
-    #
-    #         self.loop.run_until_complete(n.CreateNetworkService(nsd))
-    #         self.loop.run_until_complete(n.DeployCharms(vnfd, nsd=nsd))
-    #         # self.loop.run_until_complete(n.GetMetrics(vnfd, nsd=nsd))
-    #
-    #         # self.loop.run_until_complete(n.RemoveCharms(nsd, vnfd))
-    #         self.loop.run_until_complete(n.DestroyNetworkService(nsd))
-    #
-    #         self.loop.run_until_complete(n.logout())
-    #         n = None
-
-    def callback_status(self, nsd, vnfd, workload_status):
-        """An example callback.
-
-        This is an example of how a client using N2VC can receive periodic
-        updates on the status of a vnfd
-        """
-        # print(nsd)
-        # print(vnfd)
-        print("Workload status: {}".format(workload_status))
-
-    def test_deploy_multivdu_application(self):
-        """Deploy a multi-vdu vnf that uses multiple charms."""
-        pass
-
-    def test_remove_application(self):
-        pass
-
-    def test_get_metrics(self):
-        pass