rationalize service deletion in E2E functests
[transportpce.git] / tests / transportpce_tests / 2.2.1 / test_end2end.py
index a0e5de6353b6d4c9298adf04b3a552649da2738c..5e8cc9820bb37f73d307cee79c44e85d95799a4a 100644 (file)
 ##############################################################################
 
 
+import unittest
 import json
-import os
-import psutil
-import requests
-import signal
-import shutil
-import subprocess
 import time
-import unittest
-import test_utils
+import requests
+from common import test_utils
 
 
 class TransportPCEFulltesting(unittest.TestCase):
 
-    odl_process = None
-    honeynode_process1 = None
-    honeynode_process2 = None
-    honeynode_process3 = None
-    honeynode_process4 = None
-    restconf_baseurl = "http://localhost:8181/restconf"
-    WAITING = 20      #nominal value is 300
+    processes = None
+    cr_serv_sample_data = {"input": {
+        "sdnc-request-header": {
+            "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
+            "rpc-action": "service-create",
+            "request-system-id": "appname",
+            "notification-url": "http://localhost:8585/NotificationServer/notify"
+        },
+        "service-name": "service1",
+        "common-id": "ASATT1234567",
+        "connection-type": "service",
+        "service-a-end": {
+            "service-rate": "100",
+            "node-id": "XPDR-A1",
+            "service-format": "Ethernet",
+            "clli": "SNJSCAMCJP8",
+                    "tx-direction": {
+                        "port": {
+                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
+                            "port-type": "router",
+                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
+                            "port-rack": "000000.00",
+                            "port-shelf": "00"
+                        },
+                        "lgx": {
+                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
+                            "lgx-port-name": "LGX Back.3",
+                            "lgx-port-rack": "000000.00",
+                            "lgx-port-shelf": "00"
+                        }
+                    },
+            "rx-direction": {
+                        "port": {
+                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
+                            "port-type": "router",
+                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
+                            "port-rack": "000000.00",
+                            "port-shelf": "00"
+                        },
+                        "lgx": {
+                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
+                            "lgx-port-name": "LGX Back.4",
+                            "lgx-port-rack": "000000.00",
+                            "lgx-port-shelf": "00"
+                        }
+                    },
+            "optic-type": "gray"
+        },
+        "service-z-end": {
+            "service-rate": "100",
+            "node-id": "XPDR-C1",
+            "service-format": "Ethernet",
+            "clli": "SNJSCAMCJT4",
+                    "tx-direction": {
+                        "port": {
+                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
+                            "port-type": "router",
+                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
+                            "port-rack": "000000.00",
+                            "port-shelf": "00"
+                        },
+                        "lgx": {
+                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
+                            "lgx-port-name": "LGX Back.29",
+                            "lgx-port-rack": "000000.00",
+                            "lgx-port-shelf": "00"
+                        }
+                    },
+            "rx-direction": {
+                        "port": {
+                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
+                            "port-type": "router",
+                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
+                            "port-rack": "000000.00",
+                            "port-shelf": "00"
+                        },
+                        "lgx": {
+                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
+                            "lgx-port-name": "LGX Back.30",
+                            "lgx-port-rack": "000000.00",
+                            "lgx-port-shelf": "00"
+                        }
+                    },
+            "optic-type": "gray"
+        },
+        "due-date": "2016-11-28T00:00:01Z",
+        "operator-contact": "pw1234"
+    }
+    }
 
-#START_IGNORE_XTESTING
+    WAITING = 20  # nominal value is 300
 
     @classmethod
     def setUpClass(cls):
-        print ("starting honeynode1...")
-        cls.honeynode_process1 = test_utils.start_xpdra_honeynode()
-        time.sleep(20)
-
-        print ("starting honeynode2...")
-        cls.honeynode_process2 = test_utils.start_roadma_honeynode()
-        time.sleep(20)
-
-        print ("starting honeynode3...")
-        cls.honeynode_process3 = test_utils.start_roadmc_honeynode()
-        time.sleep(20)
-
-        print ("starting honeynode4...")
-        cls.honeynode_process4 = test_utils.start_xpdrc_honeynode()
-        time.sleep(20)
-        print ("all honeynodes started")
-
-        print ("starting opendaylight...")
-        cls.odl_process = test_utils.start_tpce()
-        time.sleep(80)
-        print ("opendaylight started")
+        cls.processes = test_utils.start_tpce()
+        cls.processes = test_utils.start_sims(['xpdra', 'roadma', 'roadmc', 'xpdrc'])
 
     @classmethod
     def tearDownClass(cls):
-        for child in psutil.Process(cls.odl_process.pid).children():
-            child.send_signal(signal.SIGINT)
-            child.wait()
-        cls.odl_process.send_signal(signal.SIGINT)
-        cls.odl_process.wait()
-        for child in psutil.Process(cls.honeynode_process1.pid).children():
-            child.send_signal(signal.SIGINT)
-            child.wait()
-        cls.honeynode_process1.send_signal(signal.SIGINT)
-        cls.honeynode_process1.wait()
-        for child in psutil.Process(cls.honeynode_process2.pid).children():
-            child.send_signal(signal.SIGINT)
-            child.wait()
-        cls.honeynode_process2.send_signal(signal.SIGINT)
-        cls.honeynode_process2.wait()
-        for child in psutil.Process(cls.honeynode_process3.pid).children():
-            child.send_signal(signal.SIGINT)
-            child.wait()
-        cls.honeynode_process3.send_signal(signal.SIGINT)
-        cls.honeynode_process3.wait()
-        for child in psutil.Process(cls.honeynode_process4.pid).children():
-            child.send_signal(signal.SIGINT)
-            child.wait()
-        cls.honeynode_process4.send_signal(signal.SIGINT)
-        cls.honeynode_process4.wait()
-        print ("all processes killed")
+        for process in cls.processes:
+            test_utils.shutdown_process(process)
+        print("all processes killed")
 
     def setUp(self):  # instruction executed before each test method
-        print ("execution of {}".format(self.id().split(".")[-1]))
+        print("execution of {}".format(self.id().split(".")[-1]))
 
-#END_IGNORE_XTESTING
-
-#  connect netconf devices
     def test_01_connect_xpdrA(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/XPDR-A1"
-              .format(self.restconf_baseurl))
-        data = {"node": [{
-            "node-id": "XPDR-A1",
-            "netconf-node-topology:username": "admin",
-            "netconf-node-topology:password": "admin",
-            "netconf-node-topology:host": "127.0.0.1",
-            "netconf-node-topology:port": "17840",
-            "netconf-node-topology:tcp-only": "false",
-            "netconf-node-topology:pass-through": {}}]}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "PUT", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.created)
-        time.sleep(20)
+        response = test_utils.mount_device("XPDR-A1", 'xpdra')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_02_connect_xpdrC(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/XPDR-C1"
-              .format(self.restconf_baseurl))
-        data = {"node": [{
-            "node-id": "XPDR-C1",
-            "netconf-node-topology:username": "admin",
-            "netconf-node-topology:password": "admin",
-            "netconf-node-topology:host": "127.0.0.1",
-            "netconf-node-topology:port": "17844",
-            "netconf-node-topology:tcp-only": "false",
-            "netconf-node-topology:pass-through": {}}]}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "PUT", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.created)
-        time.sleep(20)
+        response = test_utils.mount_device("XPDR-C1", 'xpdrc')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_03_connect_rdmA(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-A1"
-               .format(self.restconf_baseurl))
-        data = {"node": [{
-             "node-id": "ROADM-A1",
-             "netconf-node-topology:username": "admin",
-             "netconf-node-topology:password": "admin",
-             "netconf-node-topology:host": "127.0.0.1",
-             "netconf-node-topology:port": "17841",
-             "netconf-node-topology:tcp-only": "false",
-             "netconf-node-topology:pass-through": {}}]}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "PUT", url, data=json.dumps(data), headers=headers,
-              auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.created)
-        time.sleep(20)
+        response = test_utils.mount_device("ROADM-A1", 'roadma')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_04_connect_rdmC(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-C1"
-               .format(self.restconf_baseurl))
-        data = {"node": [{
-             "node-id": "ROADM-C1",
-             "netconf-node-topology:username": "admin",
-             "netconf-node-topology:password": "admin",
-             "netconf-node-topology:host": "127.0.0.1",
-             "netconf-node-topology:port": "17843",
-             "netconf-node-topology:tcp-only": "false",
-             "netconf-node-topology:pass-through": {}}]}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "PUT", url, data=json.dumps(data), headers=headers,
-              auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.created)
-        time.sleep(20)
+        response = test_utils.mount_device("ROADM-C1", 'roadmc')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_05_connect_xprdA_N1_to_roadmA_PP1(self):
-        url = "{}/operations/transportpce-networkutils:init-xpdr-rdm-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-A1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "1",
-                    "networkutils:rdm-node": "ROADM-A1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP1-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_xpdr_to_rdm_request("XPDR-A1", "1", "1",
+                                                          "ROADM-A1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Xponder Roadm Link created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_06_connect_roadmA_PP1_to_xpdrA_N1(self):
-        url = "{}/operations/transportpce-networkutils:init-rdm-xpdr-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-A1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "1",
-                    "networkutils:rdm-node": "ROADM-A1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP1-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_rdm_to_xpdr_request("XPDR-A1", "1", "1",
+                                                          "ROADM-A1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Roadm Xponder links created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_07_connect_xprdC_N1_to_roadmC_PP1(self):
-        url = "{}/operations/transportpce-networkutils:init-xpdr-rdm-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-C1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "1",
-                    "networkutils:rdm-node": "ROADM-C1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP1-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_xpdr_to_rdm_request("XPDR-C1", "1", "1",
+                                                          "ROADM-C1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Xponder Roadm Link created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_08_connect_roadmC_PP1_to_xpdrC_N1(self):
-        url = "{}/operations/transportpce-networkutils:init-rdm-xpdr-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-C1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "1",
-                    "networkutils:rdm-node": "ROADM-C1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP1-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_rdm_to_xpdr_request("XPDR-C1", "1", "1",
+                                                          "ROADM-C1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Roadm Xponder links created successfully', res["output"]["result"])
@@ -262,12 +174,7 @@ class TransportPCEFulltesting(unittest.TestCase):
 
     def test_09_add_omsAttributes_ROADMA_ROADMC(self):
         # Config ROADMA-ROADMC oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
-            "clfi": "fiber1",
             "auto-spanloss": "true",
             "spanloss-base": 11.4,
             "spanloss-current": 12,
@@ -277,20 +184,12 @@ class TransportPCEFulltesting(unittest.TestCase):
                 "fiber-type": "smf",
                 "SRLG-length": 100000,
                 "pmd": 0.5}]}}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "PUT", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.add_oms_attr_request("ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
     def test_10_add_omsAttributes_ROADMC_ROADMA(self):
         # Config ROADMC-ROADMA oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
-            "clfi": "fiber1",
             "auto-spanloss": "true",
             "spanloss-base": 11.4,
             "spanloss-current": 12,
@@ -300,122 +199,21 @@ class TransportPCEFulltesting(unittest.TestCase):
                 "fiber-type": "smf",
                 "SRLG-length": 100000,
                 "pmd": 0.5}]}}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "PUT", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.add_oms_attr_request("ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
-#test service-create for Eth service from xpdr to xpdr
+# test service-create for Eth service from xpdr to xpdr
     def test_11_create_eth_service1(self):
-        url = ("{}/operations/org-openroadm-service:service-create"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-create",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-name": "service1",
-                "common-id": "ASATT1234567",
-                "connection-type": "service",
-                "service-a-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-A1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJP8",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.3",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.4",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "service-z-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-C1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJT4",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.29",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.30",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "due-date": "2016-11-28T00:00:01Z",
-                "operator-contact": "pw1234"
-            }
-        }
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        self.cr_serv_sample_data["input"]["service-name"] = "service1"
+        response = test_utils.service_create_request(self.cr_serv_sample_data)
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('PCE calculation in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(self.WAITING)
 
     def test_12_get_eth_service1(self):
-        url = ("{}/operational/org-openroadm-service:service-list/services/service1"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_service_list_request("services/service1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(
@@ -429,56 +227,49 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(2)
 
     def test_13_check_xc1_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/SRG1-PP1-TXRX-DEG2-TTP-TXRX-1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "roadm-connections/SRG1-PP1-TXRX-DEG2-TTP-TXRX-1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'SRG1-PP1-TXRX-DEG2-TTP-TXRX-1',
-              'opticalControlMode': 'gainLoss',
-              'target-output-power': -3.0},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
+        self.assertDictEqual(
+            dict({
+                'connection-name': 'SRG1-PP1-TXRX-DEG2-TTP-TXRX-1',
+                'opticalControlMode': 'gainLoss',
+                'target-output-power': -3.0
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
-             res['roadm-connections'][0]['source'])
+            {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
+            res['roadm-connections'][0]['source'])
         self.assertDictEqual(
-             {'dst-if': 'DEG2-TTP-TXRX-nmc-1'},
-             res['roadm-connections'][0]['destination'])
+            {'dst-if': 'DEG2-TTP-TXRX-nmc-1'},
+            res['roadm-connections'][0]['destination'])
         time.sleep(5)
 
     def test_14_check_xc1_ROADMC(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-C1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/SRG1-PP1-TXRX-DEG1-TTP-TXRX-1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-C1", "roadm-connections/SRG1-PP1-TXRX-DEG1-TTP-TXRX-1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'SRG1-PP1-TXRX-DEG1-TTP-TXRX-1',
-              'opticalControlMode': 'gainLoss',
-              'target-output-power': -3.0},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
+        self.assertDictEqual(
+            dict({
+                'connection-name': 'SRG1-PP1-TXRX-DEG1-TTP-TXRX-1',
+                'opticalControlMode': 'gainLoss',
+                'target-output-power': -3.0
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
-             res['roadm-connections'][0]['source'])
+            {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
+            res['roadm-connections'][0]['source'])
         self.assertDictEqual(
-             {'dst-if': 'DEG1-TTP-TXRX-nmc-1'},
-             res['roadm-connections'][0]['destination'])
+            {'dst-if': 'DEG1-TTP-TXRX-nmc-1'},
+            res['roadm-connections'][0]['destination'])
         time.sleep(5)
 
     def test_15_check_topo_XPDRA(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/XPDR-A1-XPDR1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/XPDR-A1-XPDR1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
@@ -486,7 +277,7 @@ class TransportPCEFulltesting(unittest.TestCase):
             if ele['tp-id'] == 'XPDR1-NETWORK1':
                 self.assertEqual({u'frequency': 196.1,
                                   u'width': 40},
-                                  ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
+                                 ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
             if ele['tp-id'] == 'XPDR1-CLIENT2' or ele['tp-id'] == 'XPDR1-CLIENT1':
                 self.assertNotIn('org-openroadm-network-topology:xpdr-client-attributes', dict.keys(ele))
             if ele['tp-id'] == 'XPDR1-NETWORK2':
@@ -494,246 +285,82 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(3)
 
     def test_16_check_topo_ROADMA_SRG1(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-SRG1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-SRG1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertNotIn({u'index': 1},
-                          res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
+                         res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'SRG1-PP1-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
+                              ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
             if ele['tp-id'] == 'SRG1-PP2-TXRX':
                 self.assertNotIn('used-wavelength', dict.keys(ele))
         time.sleep(3)
 
     def test_17_check_topo_ROADMA_DEG1(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-DEG2"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-DEG2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertNotIn({u'index': 1},
-                          res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
+                         res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'DEG2-CTP-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:ctp-attributes']['used-wavelengths'])
+                              ele['org-openroadm-network-topology:ctp-attributes']['used-wavelengths'])
             if ele['tp-id'] == 'DEG2-TTP-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:tx-ttp-attributes']['used-wavelengths'])
+                              ele['org-openroadm-network-topology:tx-ttp-attributes']['used-wavelengths'])
         time.sleep(3)
 
     def test_18_connect_xprdA_N2_to_roadmA_PP2(self):
-        url = "{}/operations/transportpce-networkutils:init-xpdr-rdm-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-A1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "2",
-                    "networkutils:rdm-node": "ROADM-A1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP2-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_xpdr_to_rdm_request("XPDR-A1", "1", "2",
+                                                          "ROADM-A1", "1", "SRG1-PP2-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Xponder Roadm Link created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_19_connect_roadmA_PP2_to_xpdrA_N2(self):
-        url = "{}/operations/transportpce-networkutils:init-rdm-xpdr-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-A1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "2",
-                    "networkutils:rdm-node": "ROADM-A1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP2-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_rdm_to_xpdr_request("XPDR-A1", "1", "2",
+                                                          "ROADM-A1", "1", "SRG1-PP2-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Roadm Xponder links created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_20_connect_xprdC_N2_to_roadmC_PP2(self):
-        url = "{}/operations/transportpce-networkutils:init-xpdr-rdm-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-C1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "2",
-                    "networkutils:rdm-node": "ROADM-C1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP2-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_xpdr_to_rdm_request("XPDR-C1", "1", "2",
+                                                          "ROADM-C1", "1", "SRG1-PP2-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Xponder Roadm Link created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_21_connect_roadmC_PP2_to_xpdrC_N2(self):
-        url = "{}/operations/transportpce-networkutils:init-rdm-xpdr-links".format(self.restconf_baseurl)
-        data = {
-            "networkutils:input": {
-                "networkutils:links-input": {
-                    "networkutils:xpdr-node": "XPDR-C1",
-                    "networkutils:xpdr-num": "1",
-                    "networkutils:network-num": "2",
-                    "networkutils:rdm-node": "ROADM-C1",
-                    "networkutils:srg-num": "1",
-                    "networkutils:termination-point-num": "SRG1-PP2-TXRX"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "POST", url, data=json.dumps(data),
-             headers=headers, auth=('admin', 'admin'))
+        response = test_utils.connect_rdm_to_xpdr_request("XPDR-C1", "1", "2",
+                                                          "ROADM-C1", "1", "SRG1-PP2-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Roadm Xponder links created successfully', res["output"]["result"])
         time.sleep(2)
 
     def test_22_create_eth_service2(self):
-        url = ("{}/operations/org-openroadm-service:service-create"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-create",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-name": "service2",
-                "common-id": "ASATT1234567",
-                "connection-type": "service",
-                "service-a-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-A1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJP8",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.3",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.4",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "service-z-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-C1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJT4",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.29",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.30",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "due-date": "2016-11-28T00:00:01Z",
-                "operator-contact": "pw1234"
-            }
-        }
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        self.cr_serv_sample_data["input"]["service-name"] = "service2"
+        response = test_utils.service_create_request(self.cr_serv_sample_data)
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('PCE calculation in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(self.WAITING)
 
     def test_23_get_eth_service2(self):
-        url = ("{}/operational/org-openroadm-service:service-list/services/service2"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_service_list_request("services/service2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(
@@ -748,31 +375,26 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(1)
 
     def test_24_check_xc2_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/DEG2-TTP-TXRX-SRG1-PP2-TXRX-2"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "roadm-connections/DEG2-TTP-TXRX-SRG1-PP2-TXRX-2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'DEG2-TTP-TXRX-SRG1-PP2-TXRX-2',
-              'opticalControlMode': 'power'},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
+        self.assertDictEqual(
+            dict({
+                'connection-name': 'DEG2-TTP-TXRX-SRG1-PP2-TXRX-2',
+                'opticalControlMode': 'power'
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'src-if': 'DEG2-TTP-TXRX-nmc-2'},
-             res['roadm-connections'][0]['source'])
+            {'src-if': 'DEG2-TTP-TXRX-nmc-2'},
+            res['roadm-connections'][0]['source'])
         self.assertDictEqual(
-             {'dst-if': 'SRG1-PP2-TXRX-nmc-2'},
-             res['roadm-connections'][0]['destination'])
+            {'dst-if': 'SRG1-PP2-TXRX-nmc-2'},
+            res['roadm-connections'][0]['destination'])
 
     def test_25_check_topo_XPDRA(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/XPDR-A1-XPDR1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/XPDR-A1-XPDR1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
@@ -780,289 +402,133 @@ class TransportPCEFulltesting(unittest.TestCase):
             if ele['tp-id'] == 'XPDR1-NETWORK1':
                 self.assertEqual({u'frequency': 196.1,
                                   u'width': 40},
-                                  ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
+                                 ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
             if ele['tp-id'] == 'XPDR1-NETWORK2':
                 self.assertEqual({u'frequency': 196.05,
                                   u'width': 40},
-                                  ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
+                                 ele['org-openroadm-network-topology:xpdr-network-attributes']['wavelength'])
             if ele['tp-id'] == 'XPDR1-CLIENT1' or ele['tp-id'] == 'XPDR1-CLIENT2':
                 self.assertNotIn('org-openroadm-network-topology:xpdr-client-attributes', dict.keys(ele))
         time.sleep(10)
 
     def test_26_check_topo_ROADMA_SRG1(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-SRG1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-SRG1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertNotIn({u'index': 1}, res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
-        self.assertNotIn({u'index': 2}, res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
+        self.assertNotIn({u'index': 1}, res['node'][0]
+                         [u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
+        self.assertNotIn({u'index': 2}, res['node'][0]
+                         [u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'SRG1-PP1-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
+                              ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
                 self.assertNotIn({u'index': 2, u'frequency': 196.05,
                                   u'width': 40},
-                                  ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
+                                 ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
             if ele['tp-id'] == 'SRG1-PP2-TXRX':
                 self.assertIn({u'index': 2, u'frequency': 196.05, u'width': 40},
                               ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
                 self.assertNotIn({u'index': 1, u'frequency': 196.1,
                                   u'width': 40},
-                                  ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
+                                 ele['org-openroadm-network-topology:pp-attributes']['used-wavelength'])
             if ele['tp-id'] == 'SRG1-PP3-TXRX':
                 self.assertNotIn('org-openroadm-network-topology:pp-attributes', dict.keys(ele))
         time.sleep(10)
 
     def test_27_check_topo_ROADMA_DEG2(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-DEG2"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-DEG2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertNotIn({u'index': 1}, res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
-        self.assertNotIn({u'index': 2}, res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
+        self.assertNotIn({u'index': 1}, res['node'][0]
+                         [u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
+        self.assertNotIn({u'index': 2}, res['node'][0]
+                         [u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'DEG2-CTP-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:ctp-attributes']['used-wavelengths'])
+                              ele['org-openroadm-network-topology:ctp-attributes']['used-wavelengths'])
                 self.assertIn({u'index': 2, u'frequency': 196.05, u'width': 40},
                               ele['org-openroadm-network-topology:ctp-attributes']['used-wavelengths'])
             if ele['tp-id'] == 'DEG2-TTP-TXRX':
                 self.assertIn({u'index': 1, u'frequency': 196.1,
                                u'width': 40},
-                               ele['org-openroadm-network-topology:tx-ttp-attributes']['used-wavelengths'])
+                              ele['org-openroadm-network-topology:tx-ttp-attributes']['used-wavelengths'])
                 self.assertIn({u'index': 2, u'frequency': 196.05, u'width': 40},
                               ele['org-openroadm-network-topology:tx-ttp-attributes']['used-wavelengths'])
         time.sleep(10)
 
 #     creation service test on a non-available resource
     def test_28_create_eth_service3(self):
-        url = ("{}/operations/org-openroadm-service:service-create"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-create",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-name": "service3",
-                "common-id": "ASATT1234567",
-                "connection-type": "service",
-                "service-a-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-A1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJP8",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.3",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.4",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "service-z-end": {
-                    "service-rate": "100",
-                    "node-id": "XPDR-C1",
-                    "service-format": "Ethernet",
-                    "clli": "SNJSCAMCJT4",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.29",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.30",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "due-date": "2016-11-28T00:00:01Z",
-                "operator-contact": "pw1234"
-            }
-        }
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        self.cr_serv_sample_data["input"]["service-name"] = "service3"
+        response = test_utils.service_create_request(self.cr_serv_sample_data)
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('PCE calculation in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         self.assertIn('200', res['output']['configuration-response-common']['response-code'])
         time.sleep(self.WAITING)
 
 # add a test that check the openroadm-service-list still only contains 2 elements
-
     def test_29_delete_eth_service3(self):
-        url = ("{}/operations/org-openroadm-service:service-delete"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-delete-req-info": {
-                    "service-name": "service3",
-                    "tail-retention": "no"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.service_delete_request("service3")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Service \'service3\' does not exist in datastore',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         self.assertIn('500', res['output']['configuration-response-common']['response-code'])
         time.sleep(20)
 
     def test_30_delete_eth_service1(self):
-        url = ("{}/operations/org-openroadm-service:service-delete"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-delete-req-info": {
-                    "service-name": "service1",
-                    "tail-retention": "no"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.service_delete_request("service1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Renderer service delete in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(20)
 
     def test_31_delete_eth_service2(self):
-        url = ("{}/operations/org-openroadm-service:service-delete"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-delete-req-info": {
-                    "service-name": "service2",
-                    "tail-retention": "no"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.service_delete_request("service2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Renderer service delete in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(20)
 
     def test_32_check_no_xc_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "")
         res = response.json()
         self.assertEqual(response.status_code, requests.codes.ok)
         self.assertNotIn('roadm-connections', dict.keys(res['org-openroadm-device']))
         time.sleep(2)
 
-    @unittest.skip("Skip this test until tail-equipment-id deletion is finished.")
     def test_33_check_topo_XPDRA(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/XPDR-A1-XPDR1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/XPDR-A1-XPDR1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele[u'org-openroadm-common-network:tp-type'] == 'XPONDER-CLIENT':
                 self.assertNotIn('org-openroadm-network-topology:xpdr-client-attributes', dict.keys(ele))
-            elif ele[u'org-openroadm-common-network:tp-type'] == 'XPONDER-NETWORK':
-                self.assertNotIn('org-openroadm-network-topology:xpdr-network-attributes', dict.keys(ele))
+            elif (ele[u'org-openroadm-common-network:tp-type'] == 'XPONDER-NETWORK'):
+                self.assertIn(u'tail-equipment-id',
+                              dict.keys(ele[u'org-openroadm-network-topology:xpdr-network-attributes']))
+                self.assertNotIn('wavelength', dict.keys(
+                    ele[u'org-openroadm-network-topology:xpdr-network-attributes']))
         time.sleep(10)
 
     def test_34_check_topo_ROADMA_SRG1(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-SRG1"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-SRG1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertIn({u'index': 1}, res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
-        self.assertIn({u'index': 2}, res['node'][0][u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
+        self.assertIn({u'index': 1}, res['node'][0]
+                      [u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
+        self.assertIn({u'index': 2}, res['node'][0]
+                      [u'org-openroadm-network-topology:srg-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'SRG1-PP1-TXRX' or ele['tp-id'] == 'SRG1-PP1-TXRX':
@@ -1072,14 +538,13 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(10)
 
     def test_35_check_topo_ROADMA_DEG2(self):
-        url1 = ("{}/config/ietf-network:networks/network/openroadm-topology/node/ROADM-A1-DEG2"
-               .format(self.restconf_baseurl))
-        response = requests.request(
-             "GET", url1, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("node/ROADM-A1-DEG2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertIn({u'index': 1}, res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
-        self.assertIn({u'index': 2}, res['node'][0][u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
+        self.assertIn({u'index': 1}, res['node'][0]
+                      [u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
+        self.assertIn({u'index': 2}, res['node'][0]
+                      [u'org-openroadm-network-topology:degree-attributes']['available-wavelengths'])
         liste_tp = res['node'][0]['ietf-network-topology:termination-point']
         for ele in liste_tp:
             if ele['tp-id'] == 'DEG2-CTP-TXRX':
@@ -1090,114 +555,21 @@ class TransportPCEFulltesting(unittest.TestCase):
 
 # test service-create for Optical Channel (OC) service from srg-pp to srg-pp
     def test_36_create_oc_service1(self):
-        url = ("{}/operations/org-openroadm-service:service-create"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-create",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-name": "service1",
-                "common-id": "ASATT1234567",
-                "connection-type": "roadm-line",
-                "service-a-end": {
-                    "service-rate": "100",
-                    "node-id": "ROADM-A1",
-                    "service-format": "OC",
-                    "clli": "SNJSCAMCJP8",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.3",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.4",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "service-z-end": {
-                    "service-rate": "100",
-                    "node-id": "ROADM-C1",
-                    "service-format": "OC",
-                    "clli": "SNJSCAMCJT4",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.29",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.30",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "due-date": "2016-11-28T00:00:01Z",
-                "operator-contact": "pw1234"
-            }
-        }
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        self.cr_serv_sample_data["input"]["service-name"] = "service1"
+        self.cr_serv_sample_data["input"]["connection-type"] = "roadm-line"
+        self.cr_serv_sample_data["input"]["service-a-end"]["node-id"] = "ROADM-A1"
+        self.cr_serv_sample_data["input"]["service-a-end"]["service-format"] = "OC"
+        self.cr_serv_sample_data["input"]["service-z-end"]["node-id"] = "ROADM-C1"
+        self.cr_serv_sample_data["input"]["service-z-end"]["service-format"] = "OC"
+        response = test_utils.service_create_request(self.cr_serv_sample_data)
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('PCE calculation in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(self.WAITING)
 
     def test_37_get_oc_service1(self):
-        url = ("{}/operational/org-openroadm-service:service-list/services/service1"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_service_list_request("services/service1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(
@@ -1212,160 +584,63 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(1)
 
     def test_38_check_xc1_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/SRG1-PP1-TXRX-DEG2-TTP-TXRX-1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "roadm-connections/SRG1-PP1-TXRX-DEG2-TTP-TXRX-1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'SRG1-PP1-TXRX-DEG2-TTP-TXRX-1',
-              'opticalControlMode': 'gainLoss',
-              'target-output-power': -3.0},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
+        self.assertDictEqual(
+            dict({
+                'connection-name': 'SRG1-PP1-TXRX-DEG2-TTP-TXRX-1',
+                'opticalControlMode': 'gainLoss',
+                'target-output-power': -3.0
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
-             res['roadm-connections'][0]['source'])
+            {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
+            res['roadm-connections'][0]['source'])
         self.assertDictEqual(
-             {'dst-if': 'DEG2-TTP-TXRX-nmc-1'},
-             res['roadm-connections'][0]['destination'])
+            {'dst-if': 'DEG2-TTP-TXRX-nmc-1'},
+            res['roadm-connections'][0]['destination'])
         time.sleep(7)
 
     def test_39_check_xc1_ROADMC(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-C1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/SRG1-PP1-TXRX-DEG1-TTP-TXRX-1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-C1", "roadm-connections/SRG1-PP1-TXRX-DEG1-TTP-TXRX-1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'SRG1-PP1-TXRX-DEG1-TTP-TXRX-1',
-              'opticalControlMode': 'gainLoss',
-              'target-output-power': -3.0},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
+        self.assertDictEqual(
+            dict({
+                'connection-name': 'SRG1-PP1-TXRX-DEG1-TTP-TXRX-1',
+                'opticalControlMode': 'gainLoss',
+                'target-output-power': -3.0
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
-             res['roadm-connections'][0]['source'])
+            {'src-if': 'SRG1-PP1-TXRX-nmc-1'},
+            res['roadm-connections'][0]['source'])
         self.assertDictEqual(
-             {'dst-if': 'DEG1-TTP-TXRX-nmc-1'},
-             res['roadm-connections'][0]['destination'])
+            {'dst-if': 'DEG1-TTP-TXRX-nmc-1'},
+            res['roadm-connections'][0]['destination'])
         time.sleep(7)
 
     def test_40_create_oc_service2(self):
-        url = ("{}/operations/org-openroadm-service:service-create"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-create",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-name": "service2",
-                "common-id": "ASATT1234567",
-                "connection-type": "roadm-line",
-                "service-a-end": {
-                    "service-rate": "100",
-                    "node-id": "ROADM-A1",
-                    "service-format": "OC",
-                    "clli": "SNJSCAMCJP8",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.3",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJP8_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-5/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJP8_000000.00_00",
-                            "lgx-port-name": "LGX Back.4",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "service-z-end": {
-                    "service-rate": "100",
-                    "node-id": "ROADM-C1",
-                    "service-format": "OC",
-                    "clli": "SNJSCAMCJT4",
-                    "tx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Tx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.29",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "rx-direction": {
-                        "port": {
-                            "port-device-name": "ROUTER_SNJSCAMCJT4_000000.00_00",
-                            "port-type": "router",
-                            "port-name": "Gigabit Ethernet_Rx.ge-1/0/0.0",
-                            "port-rack": "000000.00",
-                            "port-shelf": "00"
-                        },
-                        "lgx": {
-                            "lgx-device-name": "LGX Panel_SNJSCAMCJT4_000000.00_00",
-                            "lgx-port-name": "LGX Back.30",
-                            "lgx-port-rack": "000000.00",
-                            "lgx-port-shelf": "00"
-                        }
-                    },
-                    "optic-type": "gray"
-                },
-                "due-date": "2016-11-28T00:00:01Z",
-                "operator-contact": "pw1234"
-            }
-        }
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        self.cr_serv_sample_data["input"]["service-name"] = "service2"
+        self.cr_serv_sample_data["input"]["connection-type"] = "roadm-line"
+        self.cr_serv_sample_data["input"]["service-a-end"]["node-id"] = "ROADM-A1"
+        self.cr_serv_sample_data["input"]["service-a-end"]["service-format"] = "OC"
+        self.cr_serv_sample_data["input"]["service-z-end"]["node-id"] = "ROADM-C1"
+        self.cr_serv_sample_data["input"]["service-z-end"]["service-format"] = "OC"
+        response = test_utils.service_create_request(self.cr_serv_sample_data)
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('PCE calculation in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(self.WAITING)
 
     def test_41_get_oc_service2(self):
-        url = ("{}/operational/org-openroadm-service:service-list/services/service2"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_service_list_request("services/service2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(
@@ -1380,26 +655,24 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(2)
 
     def test_42_check_xc2_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf/"
-               "node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-               "roadm-connections/SRG1-PP2-TXRX-DEG2-TTP-TXRX-2"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "roadm-connections/SRG1-PP2-TXRX-DEG2-TTP-TXRX-2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
-        self.assertDictContainsSubset(
-             {'connection-name': 'SRG1-PP2-TXRX-DEG2-TTP-TXRX-2',
-              'opticalControlMode': 'gainLoss',
-              'target-output-power': -3.0},
-             res['roadm-connections'][0])
+        # the following statement replaces self.assertDictContainsSubset deprecated in python 3.2
         self.assertDictEqual(
-             {'src-if': 'SRG1-PP2-TXRX-nmc-2'},
-             res['roadm-connections'][0]['source'])
+            dict({
+                'connection-name': 'SRG1-PP2-TXRX-DEG2-TTP-TXRX-2',
+                'opticalControlMode': 'gainLoss',
+                'target-output-power': -3.0
+            }, **res['roadm-connections'][0]),
+            res['roadm-connections'][0]
+        )
         self.assertDictEqual(
-             {'dst-if': 'DEG2-TTP-TXRX-nmc-2'},
-             res['roadm-connections'][0]['destination'])
+            {'src-if': 'SRG1-PP2-TXRX-nmc-2'},
+            res['roadm-connections'][0]['source'])
+        self.assertDictEqual(
+            {'dst-if': 'DEG2-TTP-TXRX-nmc-2'},
+            res['roadm-connections'][0]['destination'])
         time.sleep(2)
 
     def test_43_check_topo_ROADMA(self):
@@ -1408,81 +681,34 @@ class TransportPCEFulltesting(unittest.TestCase):
         time.sleep(3)
 
     def test_44_delete_oc_service1(self):
-        url = ("{}/operations/org-openroadm-service:service-delete"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-delete-req-info": {
-                    "service-name": "service1",
-                    "tail-retention": "no"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.service_delete_request("service1")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Renderer service delete in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(20)
 
     def test_45_delete_oc_service2(self):
-        url = ("{}/operations/org-openroadm-service:service-delete"
-              .format(self.restconf_baseurl))
-        data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-                },
-                "service-delete-req-info": {
-                    "service-name": "service2",
-                    "tail-retention": "no"
-                }
-            }
-        }
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "POST", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.service_delete_request("service2")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertIn('Renderer service delete in progress',
-            res['output']['configuration-response-common']['response-message'])
+                      res['output']['configuration-response-common']['response-message'])
         time.sleep(20)
 
     def test_46_get_no_oc_services(self):
-        print ("start test")
-        url = ("{}/operational/org-openroadm-service:service-list"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        print("start test")
+        response = test_utils.get_service_list_request("")
         self.assertEqual(response.status_code, requests.codes.not_found)
         res = response.json()
         self.assertIn(
-            {"error-type":"application", "error-tag":"data-missing",
-             "error-message":"Request could not be completed because the relevant data model content does not exist"},
+            {"error-type": "application", "error-tag": "data-missing",
+             "error-message": "Request could not be completed because the relevant data model content does not exist"},
             res['errors']['error'])
         time.sleep(1)
 
     def test_47_get_no_xc_ROADMA(self):
-        url = ("{}/config/network-topology:network-topology/topology/topology-netconf"
-               "/node/ROADM-A1/yang-ext:mount/org-openroadm-device:org-openroadm-device/"
-              .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json',
-        "Accept": "application/json"}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.check_netconf_node_request("ROADM-A1", "")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertNotIn(['roadm-connections'][0], res['org-openroadm-device'])
@@ -1492,98 +718,50 @@ class TransportPCEFulltesting(unittest.TestCase):
         self.test_34_check_topo_ROADMA_SRG1()
         self.test_35_check_topo_ROADMA_DEG2()
 
-#    @unittest.expectedFailure
     def test_49_loop_create_eth_service(self):
-        for i in range(1,6):
-            print ("trial number {}".format(i))
+        for i in range(1, 6):
+            print("iteration number {}".format(i))
             print("eth service creation")
             self.test_11_create_eth_service1()
-            print ("check xc in ROADM-A1")
+            print("check xc in ROADM-A1")
             self.test_13_check_xc1_ROADMA()
-            print ("check xc in ROADM-C1")
+            print("check xc in ROADM-C1")
             self.test_14_check_xc1_ROADMC()
-            print ("eth service deletion\n")
+            print("eth service deletion\n")
             self.test_30_delete_eth_service1()
 
-#    @unittest.expectedFailure
     def test_50_loop_create_oc_service(self):
-        url = ("{}/operational/org-openroadm-service:service-list/services/service1"
-               .format(self.restconf_baseurl))
-        response = requests.request("GET", url, auth=('admin', 'admin'))
+        response = test_utils.get_service_list_request("services/service1")
         if response.status_code != 404:
-            url = ("{}/operations/org-openroadm-service:service-delete"
-                   .format(self.restconf_baseurl))
-            data = {"input": {
-                "sdnc-request-header": {
-                    "request-id": "e3028bae-a90f-4ddd-a83f-cf224eba0e58",
-                    "rpc-action": "service-delete",
-                    "request-system-id": "appname",
-                    "notification-url": "http://localhost:8585/NotificationServer/notify"
-            },
-                "service-delete-req-info": {
-                    "service-name": "service1",
-                    "tail-retention": "no"
-            }
-                }
-            }
-            headers = {'content-type': 'application/json'}
-            requests.request("POST", url, data=json.dumps(data), headers=headers, auth=('admin', 'admin'))
+            response = test_utils.service_delete_request("service1")
             time.sleep(5)
 
-        for i in range(1,6):
-            print ("trial number {}".format(i))
+        for i in range(1, 6):
+            print("iteration number {}".format(i))
             print("oc service creation")
             self.test_36_create_oc_service1()
-            print ("check xc in ROADM-A1")
+            print("check xc in ROADM-A1")
             self.test_38_check_xc1_ROADMA()
-            print ("check xc in ROADM-C1")
+            print("check xc in ROADM-C1")
             self.test_39_check_xc1_ROADMC()
-            print ("oc service deletion\n")
+            print("oc service deletion\n")
             self.test_44_delete_oc_service1()
 
     def test_51_disconnect_XPDRA(self):
-        url = ("{}/config/network-topology:"
-                "network-topology/topology/topology-netconf/node/XPDR-A1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "DELETE", url, headers=headers,
-             auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
-        time.sleep(10)
+        response = test_utils.unmount_device("XPDR-A1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
 
     def test_52_disconnect_XPDRC(self):
-        url = ("{}/config/network-topology:"
-                "network-topology/topology/topology-netconf/node/XPDR-C1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "DELETE", url, headers=headers,
-             auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
-        time.sleep(10)
+        response = test_utils.unmount_device("XPDR-C1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
 
     def test_53_disconnect_ROADMA(self):
-        url = ("{}/config/network-topology:"
-                "network-topology/topology/topology-netconf/node/ROADM-A1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "DELETE", url, headers=headers,
-             auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
-        time.sleep(10)
+        response = test_utils.unmount_device("ROADM-A1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
 
     def test_54_disconnect_ROADMC(self):
-        url = ("{}/config/network-topology:"
-                "network-topology/topology/topology-netconf/node/ROADM-C1"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-             "DELETE", url, headers=headers,
-             auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
-        time.sleep(10)
+        response = test_utils.unmount_device("ROADM-C1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
 
 
 if __name__ == "__main__":