fix some pylint issues

[transportpce.git] / tests / transportpce_tests / 2.2.1 / test_topology.py

diff --git a/tests/transportpce_tests/2.2.1/test_topology.py b/tests/transportpce_tests/2.2.1/test_topology.py
index 54c172e87e5248988df5db091c2c1b4591c56466..936ccfc5d4761b5bed7fc2004211f32ff7facd5d 100644 (file)
--- a/tests/transportpce_tests/2.2.1/test_topology.py
+++ b/tests/transportpce_tests/2.2.1/test_topology.py
@@ -9,23 +9,20 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 
-import json
-import os
-import psutil
-import requests
-import signal
-import shutil
-import subprocess
-import time
+# pylint: disable=no-member
+# pylint: disable=too-many-public-methods
+# pylint: disable=too-many-lines
+
 import unittest
+import time
 import logging
-import test_utils
+import requests
+from common import test_utils
 
 
 class TransportPCEtesting(unittest.TestCase):
 
     processes = None
-    restconf_baseurl = "http://localhost:8181/restconf"
 
     @classmethod
     def setUpClass(cls):
@@ -34,6 +31,7 @@ class TransportPCEtesting(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
+        # pylint: disable=not-an-iterable
         for process in cls.processes:
             test_utils.shutdown_process(process)
         print("all processes killed")
@@ -42,31 +40,11 @@ class TransportPCEtesting(unittest.TestCase):
         time.sleep(5)
 
     def test_01_connect_ROADM_A1(self):
-        # Config ROADMA
-        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": test_utils.sims['roadma']['port'],
-            "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_02_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         logging.info(res)
@@ -74,11 +52,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(res['network'][0]['node'][0]['org-openroadm-clli-network:clli'], 'NodeA')
 
     def test_03_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(res['network'][0]['node'][0]['node-id'], 'ROADM-A1')
@@ -88,11 +62,8 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(res['network'][0]['node'][0]['org-openroadm-network:model'], 'model2')
 
     def test_04_getLinks_OpenroadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
@@ -110,15 +81,18 @@ class TransportPCEtesting(unittest.TestCase):
                     'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX']
         for i in range(0, nbLink):
             linkId = res['network'][0]['ietf-network-topology:link'][i]['link-id']
-            if (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'EXPRESS-LINK'):
+            if (res['network'][0]['ietf-network-topology:link'][i]
+                   ['org-openroadm-common-network:link-type'] == 'EXPRESS-LINK'):
                 find = linkId in expressLink
                 self.assertEqual(find, True)
                 expressLink.remove(linkId)
-            elif (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'ADD-LINK'):
+            elif (res['network'][0]['ietf-network-topology:link'][i]
+                     ['org-openroadm-common-network:link-type'] == 'ADD-LINK'):
                 find = linkId in addLink
                 self.assertEqual(find, True)
                 addLink.remove(linkId)
-            elif (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'DROP-LINK'):
+            elif (res['network'][0]['ietf-network-topology:link'][i]
+                     ['org-openroadm-common-network:link-type'] == 'DROP-LINK'):
                 find = linkId in dropLink
                 self.assertEqual(find, True)
                 dropLink.remove(linkId)
@@ -129,11 +103,8 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(dropLink), 0)
 
     def test_05_getNodes_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         res = response.json()
         # Tests related to nodes
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -145,7 +116,7 @@ class TransportPCEtesting(unittest.TestCase):
                           res['network'][0]['node'][i]['supporting-node'])
             nodeType = res['network'][0]['node'][i]['org-openroadm-common-network:node-type']
             nodeId = res['network'][0]['node'][i]['node-id']
-            if(nodeId == 'ROADM-A1-SRG1'):
+            if nodeId == 'ROADM-A1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -158,7 +129,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG3'):
+            elif nodeId == 'ROADM-A1-SRG3':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -171,7 +142,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG1'):
+            elif nodeId == 'ROADM-A1-DEG1':
                 # Test related to DEG1
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -183,7 +154,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG2'):
+            elif nodeId == 'ROADM-A1-DEG2':
                 # Test related to DEG2
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -200,41 +171,19 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listNode), 0)
 
     def test_06_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": test_utils.sims['xpdra']['port'],
-            "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(30)
+        response = test_utils.mount_device("XPDR-A1", 'xpdra')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_07_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertEqual(res['network'][0]['node'][0]['node-id'], 'NodeA')
         self.assertEqual(res['network'][0]['node'][0]['org-openroadm-clli-network:clli'], 'NodeA')
 
     def test_08_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -243,21 +192,18 @@ class TransportPCEtesting(unittest.TestCase):
             self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['network-ref'], 'clli-network')
             self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['node-ref'], 'NodeA')
             nodeId = res['network'][0]['node'][i]['node-id']
-            if(nodeId == 'XPDR-A1'):
+            if nodeId == 'XPDR-A1':
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'XPONDER')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-network:model'], 'model2')
-            elif(nodeId == 'ROADM-A1'):
+            elif nodeId == 'ROADM-A1':
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'ROADM')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-network:model'], 'model2')
             else:
                 self.assertFalse(True)
 
     def test_09_getNodes_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         res = response.json()
         # Tests related to nodes
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -268,7 +214,7 @@ class TransportPCEtesting(unittest.TestCase):
             nodeType = res['network'][0]['node'][i]['org-openroadm-common-network:node-type']
             nodeId = res['network'][0]['node'][i]['node-id']
             # Tests related to XPDRA nodes
-            if(nodeId == 'XPDR-A1-XPDR1'):
+            if nodeId == 'XPDR-A1-XPDR1':
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'XPDR-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertIn({'network-ref': 'clli-network', 'node-ref': 'NodeA'},
@@ -278,23 +224,24 @@ class TransportPCEtesting(unittest.TestCase):
                 client = 0
                 network = 0
                 for j in range(0, nbTps):
-                    tpType = res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]['org-openroadm-common-network:tp-type']
+                    tpType = (res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
+                                 ['org-openroadm-common-network:tp-type'])
                     tpId = res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]['tp-id']
-                    if (tpType == 'XPONDER-CLIENT'):
+                    if tpType == 'XPONDER-CLIENT':
                         client += 1
-                    elif (tpType == 'XPONDER-NETWORK'):
+                    elif tpType == 'XPONDER-NETWORK':
                         network += 1
-                    if (tpId == 'XPDR1-NETWORK2'):
+                    if tpId == 'XPDR1-NETWORK2':
                         self.assertEqual(res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
                                          ['transportpce-topology:associated-connection-map-port'], 'XPDR1-CLIENT2')
-                    if (tpId == 'XPDR1-CLIENT2'):
+                    if tpId == 'XPDR1-CLIENT2':
                         self.assertEqual(res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
                                          ['transportpce-topology:associated-connection-map-port'], 'XPDR1-NETWORK2')
 
                 self.assertTrue(client == 2)
                 self.assertTrue(network == 2)
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG1'):
+            elif nodeId == 'ROADM-A1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -305,7 +252,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG3'):
+            elif nodeId == 'ROADM-A1-SRG3':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -316,7 +263,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG1'):
+            elif nodeId == 'ROADM-A1-DEG1':
                 # Test related to DEG1
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -326,7 +273,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG2'):
+            elif nodeId == 'ROADM-A1-DEG2':
                 # Test related to DEG2
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -343,52 +290,18 @@ class TransportPCEtesting(unittest.TestCase):
     # Connect the tail XPDRA to ROADMA and vice versa
     def test_10_connect_tail_xpdr_rdm(self):
         # Connect the tail: XPDRA to ROADMA
-        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)
 
     def test_11_connect_tail_rdm_xpdr(self):
-        # Connect the tail: ROADMA to XPDRA
-        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)
 
     def test_12_getLinks_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
@@ -396,32 +309,36 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(nbLink, 12)
         expressLink = ['ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
                        'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX']
-        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
-                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX']
-        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
-                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX']
+        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX']
+        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX']
         XPDR_IN = ['ROADM-A1-SRG1-SRG1-PP1-TXRXtoXPDR-A1-XPDR1-XPDR1-NETWORK1']
         XPDR_OUT = ['XPDR-A1-XPDR1-XPDR1-NETWORK1toROADM-A1-SRG1-SRG1-PP1-TXRX']
         for i in range(0, nbLink):
             nodeType = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type']
             linkId = res['network'][0]['ietf-network-topology:link'][i]['link-id']
-            if(nodeType == 'EXPRESS-LINK'):
+            if nodeType == 'EXPRESS-LINK':
                 find = linkId in expressLink
                 self.assertEqual(find, True)
                 expressLink.remove(linkId)
-            elif(nodeType == 'ADD-LINK'):
+            elif nodeType == 'ADD-LINK':
                 find = linkId in addLink
                 self.assertEqual(find, True)
                 addLink.remove(linkId)
-            elif(nodeType == 'DROP-LINK'):
+            elif nodeType == 'DROP-LINK':
                 find = linkId in dropLink
                 self.assertEqual(find, True)
                 dropLink.remove(linkId)
-            elif(nodeType == 'XPONDER-INPUT'):
+            elif nodeType == 'XPONDER-INPUT':
                 find = linkId in XPDR_IN
                 self.assertEqual(find, True)
                 XPDR_IN.remove(linkId)
-            elif(nodeType == 'XPONDER-OUTPUT'):
+            elif nodeType == 'XPONDER-OUTPUT':
                 find = linkId in XPDR_OUT
                 self.assertEqual(find, True)
                 XPDR_OUT.remove(linkId)
@@ -434,31 +351,11 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(XPDR_OUT), 0)
 
     def test_13_connect_ROADMC(self):
-        # Config ROADMC
-        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": test_utils.sims['roadmc']['port'],
-            "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_14_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": {
             "auto-spanloss": "true",
             "engineered-spanloss": 12.2,
@@ -467,18 +364,11 @@ class TransportPCEtesting(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_15_omsAttributes_ROADMC_ROADMA(self):
         # Config ROADM-C1-ROADM-A1 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": {
             "auto-spanloss": "true",
             "engineered-spanloss": 12.2,
@@ -488,18 +378,11 @@ class TransportPCEtesting(unittest.TestCase):
                 "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)
 
     def test_16_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -508,7 +391,7 @@ class TransportPCEtesting(unittest.TestCase):
             nodeId = res['network'][0]['node'][i]['node-id']
             find = nodeId in listNode
             self.assertEqual(find, True)
-            if(nodeId == 'NodeA'):
+            if nodeId == 'NodeA':
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeA')
             else:
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeC')
@@ -516,11 +399,8 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listNode), 0)
 
     def test_17_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -529,17 +409,17 @@ class TransportPCEtesting(unittest.TestCase):
         for i in range(0, nbNode):
             self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['network-ref'], 'clli-network')
             nodeId = res['network'][0]['node'][i]['node-id']
-            if(nodeId == 'XPDR-A1'):
+            if nodeId == 'XPDR-A1':
                 self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['node-ref'], 'NodeA')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'XPONDER')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-network:model'], 'model2')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1'):
+            elif nodeId == 'ROADM-A1':
                 self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['node-ref'], 'NodeA')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'ROADM')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-network:model'], 'model2')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-C1'):
+            elif nodeId == 'ROADM-C1':
                 self.assertEqual(res['network'][0]['node'][i]['supporting-node'][0]['node-ref'], 'NodeC')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'ROADM')
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-network:model'], 'model2')
@@ -549,24 +429,29 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listNode), 0)
 
     def test_18_getROADMLinkOpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
         nbLink = len(res['network'][0]['ietf-network-topology:link'])
         self.assertEqual(nbLink, 20)
-        expressLink = ['ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX', 'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
-                       'ROADM-C1-DEG2-DEG2-CTP-TXRXtoROADM-C1-DEG1-DEG1-CTP-TXRX', 'ROADM-C1-DEG1-DEG1-CTP-TXRXtoROADM-C1-DEG2-DEG2-CTP-TXRX']
-        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
-                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
-                   'ROADM-C1-SRG1-SRG1-CP-TXRXtoROADM-C1-DEG2-DEG2-CTP-TXRX', 'ROADM-C1-SRG1-SRG1-CP-TXRXtoROADM-C1-DEG1-DEG1-CTP-TXRX']
-        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
-                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX',
-                    'ROADM-C1-DEG1-DEG1-CTP-TXRXtoROADM-C1-SRG1-SRG1-CP-TXRX', 'ROADM-C1-DEG2-DEG2-CTP-TXRXtoROADM-C1-SRG1-SRG1-CP-TXRX']
+        expressLink = ['ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
+                       'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                       'ROADM-C1-DEG2-DEG2-CTP-TXRXtoROADM-C1-DEG1-DEG1-CTP-TXRX',
+                       'ROADM-C1-DEG1-DEG1-CTP-TXRXtoROADM-C1-DEG2-DEG2-CTP-TXRX']
+        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
+                   'ROADM-C1-SRG1-SRG1-CP-TXRXtoROADM-C1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-C1-SRG1-SRG1-CP-TXRXtoROADM-C1-DEG1-DEG1-CTP-TXRX']
+        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX',
+                    'ROADM-C1-DEG1-DEG1-CTP-TXRXtoROADM-C1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-C1-DEG2-DEG2-CTP-TXRXtoROADM-C1-SRG1-SRG1-CP-TXRX']
         R2RLink = ['ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX',
                    'ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX']
         XPDR_IN = ['ROADM-A1-SRG1-SRG1-PP1-TXRXtoXPDR-A1-XPDR1-XPDR1-NETWORK1']
@@ -574,27 +459,27 @@ class TransportPCEtesting(unittest.TestCase):
         for i in range(0, nbLink):
             nodeType = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type']
             linkId = res['network'][0]['ietf-network-topology:link'][i]['link-id']
-            if(nodeType == 'EXPRESS-LINK'):
+            if nodeType == 'EXPRESS-LINK':
                 find = linkId in expressLink
                 self.assertEqual(find, True)
                 expressLink.remove(linkId)
-            elif(nodeType == 'ADD-LINK'):
+            elif nodeType == 'ADD-LINK':
                 find = linkId in addLink
                 self.assertEqual(find, True)
                 addLink.remove(linkId)
-            elif(nodeType == 'DROP-LINK'):
+            elif nodeType == 'DROP-LINK':
                 find = linkId in dropLink
                 self.assertEqual(find, True)
                 dropLink.remove(linkId)
-            elif(nodeType == 'ROADM-TO-ROADM'):
+            elif nodeType == 'ROADM-TO-ROADM':
                 find = linkId in R2RLink
                 self.assertEqual(find, True)
                 R2RLink.remove(linkId)
-            elif(nodeType == 'XPONDER-INPUT'):
+            elif nodeType == 'XPONDER-INPUT':
                 find = linkId in XPDR_IN
                 self.assertEqual(find, True)
                 XPDR_IN.remove(linkId)
-            elif(nodeType == 'XPONDER-OUTPUT'):
+            elif nodeType == 'XPONDER-OUTPUT':
                 find = linkId in XPDR_OUT
                 self.assertEqual(find, True)
                 XPDR_OUT.remove(linkId)
@@ -608,11 +493,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(XPDR_OUT), 0)
 
     def test_19_getLinkOmsAttributesOpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
@@ -621,26 +502,22 @@ class TransportPCEtesting(unittest.TestCase):
         R2RLink = ['ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX',
                    'ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX']
         for i in range(0, nbLink):
-            nodeType = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type']
             link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
-            if(link_id in R2RLink):
+            if link_id in R2RLink:
                 find = False
                 spanLoss = res['network'][0]['ietf-network-topology:link'][i][
                     'org-openroadm-network-topology:OMS-attributes']['span']["engineered-spanloss"]
                 length = res['network'][0]['ietf-network-topology:link'][i][
                     'org-openroadm-network-topology:OMS-attributes']['span']['link-concatenation'][0]['SRLG-length']
-                if((spanLoss != None) & (length != None)):
+                if (spanLoss is not None) & (length is not None):
                     find = True
                 self.assertTrue(find)
                 R2RLink.remove(link_id)
         self.assertEqual(len(R2RLink), 0)
 
     def test_20_getNodes_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         res = response.json()
         # Tests related to nodes
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -653,7 +530,7 @@ class TransportPCEtesting(unittest.TestCase):
         for i in range(0, nbNode):
             nodeType = res['network'][0]['node'][i]['org-openroadm-common-network:node-type']
             nodeId = res['network'][0]['node'][i]['node-id']
-            if(nodeId == 'XPDR-A1-XPDR1'):
+            if nodeId == 'XPDR-A1-XPDR1':
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'XPDR-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(nodeType, 'XPONDER')
@@ -662,15 +539,16 @@ class TransportPCEtesting(unittest.TestCase):
                 client = 0
                 network = 0
                 for j in range(0, nbTps):
-                    tpType = res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]['org-openroadm-common-network:tp-type']
-                    if (tpType == 'XPONDER-CLIENT'):
+                    tpType = (res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
+                                 ['org-openroadm-common-network:tp-type'])
+                    if tpType == 'XPONDER-CLIENT':
                         client += 1
-                    elif (tpType == 'XPONDER-NETWORK'):
+                    elif tpType == 'XPONDER-NETWORK':
                         network += 1
                 self.assertTrue(client == 2)
                 self.assertTrue(network == 2)
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG1'):
+            elif nodeId == 'ROADM-A1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
                 self.assertIn({'tp-id': 'SRG1-CP-TXRX', 'org-openroadm-common-network:tp-type': 'SRG-TXRX-CP'},
@@ -681,7 +559,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'SRG')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG3'):
+            elif nodeId == 'ROADM-A1-SRG3':
                 # Test related to SRG1
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
                 self.assertIn({'tp-id': 'SRG3-CP-TXRX', 'org-openroadm-common-network:tp-type': 'SRG-TXRX-CP'},
@@ -692,7 +570,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'SRG')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG1'):
+            elif nodeId == 'ROADM-A1-DEG1':
                 # Test related to DEG1
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
@@ -702,7 +580,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'DEGREE')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG2'):
+            elif nodeId == 'ROADM-A1-DEG2':
                 # Test related to DEG2
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
@@ -712,7 +590,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'DEGREE')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-C1-SRG1'):
+            elif nodeId == 'ROADM-C1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
                 self.assertIn({'tp-id': 'SRG1-CP-TXRX', 'org-openroadm-common-network:tp-type': 'SRG-TXRX-CP'},
@@ -723,7 +601,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'SRG')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-C1-DEG1'):
+            elif nodeId == 'ROADM-C1-DEG1':
                 # Test related to DEG1
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
@@ -733,7 +611,7 @@ class TransportPCEtesting(unittest.TestCase):
                               res['network'][0]['node'][i]['supporting-node'])
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-common-network:node-type'], 'DEGREE')
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-C1-DEG2'):
+            elif nodeId == 'ROADM-C1-DEG2':
                 # Test related to DEG1
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
@@ -748,30 +626,11 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listNode), 0)
 
     def test_21_connect_ROADMB(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-B1"
-               .format(self.restconf_baseurl))
-        data = {"node": [{
-            "node-id": "ROADM-B1",
-            "netconf-node-topology:username": "admin",
-            "netconf-node-topology:password": "admin",
-            "netconf-node-topology:host": "127.0.0.1",
-            "netconf-node-topology:port": test_utils.sims['roadmb']['port'],
-            "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-B1", 'roadmb')
+        self.assertEqual(response.status_code, requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_22_omsAttributes_ROADMA_ROADMB(self):
         # Config ROADM-A1-ROADM-B1 oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-A1-DEG1-DEG1-TTP-TXRXtoROADM-B1-DEG1-DEG1-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
                 "auto-spanloss": "true",
                 "engineered-spanloss": 12.2,
@@ -782,18 +641,11 @@ class TransportPCEtesting(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-DEG1-DEG1-TTP-TXRXtoROADM-B1-DEG1-DEG1-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
     def test_23_omsAttributes_ROADMB_ROADMA(self):
         # Config ROADM-B1-ROADM-A1 oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-B1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG1-DEG1-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
                 "auto-spanloss": "true",
                 "engineered-spanloss": 12.2,
@@ -804,18 +656,11 @@ class TransportPCEtesting(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-B1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG1-DEG1-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
     def test_24_omsAttributes_ROADMB_ROADMC(self):
         # Config ROADM-B1-ROADM-C1 oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-B1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG2-DEG2-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
                 "auto-spanloss": "true",
                 "engineered-spanloss": 12.2,
@@ -826,18 +671,11 @@ class TransportPCEtesting(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-B1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG2-DEG2-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
     def test_25_omsAttributes_ROADMC_ROADMB(self):
         # Config ROADM-C1-ROADM-B1 oms-attributes
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-C1-DEG2-DEG2-TTP-TXRXtoROADM-B1-DEG2-DEG2-TTP-TXRX/org-openroadm-network-topology:"
-               "OMS-attributes/span"
-               .format(self.restconf_baseurl))
         data = {"span": {
                 "auto-spanloss": "true",
                 "engineered-spanloss": 12.2,
@@ -846,18 +684,11 @@ class TransportPCEtesting(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-DEG2-DEG2-TTP-TXRXtoROADM-B1-DEG2-DEG2-TTP-TXRX", data)
         self.assertEqual(response.status_code, requests.codes.created)
 
     def test_26_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -866,9 +697,9 @@ class TransportPCEtesting(unittest.TestCase):
             nodeId = res['network'][0]['node'][i]['node-id']
             find = nodeId in listNode
             self.assertEqual(find, True)
-            if(nodeId == 'NodeA'):
+            if nodeId == 'NodeA':
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeA')
-            elif(nodeId == 'NodeB'):
+            elif nodeId == 'NodeB':
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeB')
             else:
                 self.assertEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeC')
@@ -876,20 +707,20 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listNode), 0)
 
     def test_27_verifyDegree(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
         nbLink = len(res['network'][0]['ietf-network-topology:link'])
-        listR2RLink = ['ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX', 'ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX',
-                       'ROADM-A1-DEG1-DEG1-TTP-TXRXtoROADM-B1-DEG1-DEG1-TTP-TXRX', 'ROADM-C1-DEG2-DEG2-TTP-TXRXtoROADM-B1-DEG2-DEG2-TTP-TXRX',
-                       'ROADM-B1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG1-DEG1-TTP-TXRX', 'ROADM-B1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG2-DEG2-TTP-TXRX']
+        listR2RLink = ['ROADM-A1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG1-DEG1-TTP-TXRX',
+                       'ROADM-C1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG2-DEG2-TTP-TXRX',
+                       'ROADM-A1-DEG1-DEG1-TTP-TXRXtoROADM-B1-DEG1-DEG1-TTP-TXRX',
+                       'ROADM-C1-DEG2-DEG2-TTP-TXRXtoROADM-B1-DEG2-DEG2-TTP-TXRX',
+                       'ROADM-B1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG1-DEG1-TTP-TXRX',
+                       'ROADM-B1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG2-DEG2-TTP-TXRX']
         for i in range(0, nbLink):
-            if res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'ROADM-TO-ROADM':
+            if (res['network'][0]['ietf-network-topology:link'][i]
+                   ['org-openroadm-common-network:link-type'] == 'ROADM-TO-ROADM'):
                 link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
                 find = link_id in listR2RLink
                 self.assertEqual(find, True)
@@ -897,11 +728,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(len(listR2RLink), 0)
 
     def test_28_verifyOppositeLinkTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         # Tests related to links
@@ -912,12 +739,10 @@ class TransportPCEtesting(unittest.TestCase):
             link_type = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type']
             link_src = res['network'][0]['ietf-network-topology:link'][i]['source']['source-node']
             link_dest = res['network'][0]['ietf-network-topology:link'][i]['destination']['dest-node']
-            oppLink_id = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:opposite-link']
+            oppLink_id = (res['network'][0]['ietf-network-topology:link'][i]
+                             ['org-openroadm-common-network:opposite-link'])
             # Find the opposite link
-            url_oppLink = "{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:link/"+oppLink_id
-            url = (url_oppLink.format(self.restconf_baseurl))
-            headers = {'content-type': 'application/json'}
-            response_oppLink = requests.request("GET", url, headers=headers, auth=('admin', 'admin'))
+            response_oppLink = test_utils.get_ordm_topo_request("ietf-network-topology:link/"+oppLink_id)
             self.assertEqual(response_oppLink.status_code, requests.codes.ok)
             res_oppLink = response_oppLink.json()
             self.assertEqual(res_oppLink['ietf-network-topology:link'][0]
@@ -939,11 +764,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertEqual(oppLink_type, 'XPONDER-INPUT')
 
     def test_29_getLinkOmsAttributesOpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbLink = len(res['network'][0]['ietf-network-topology:link'])
@@ -954,15 +775,14 @@ class TransportPCEtesting(unittest.TestCase):
                    'ROADM-B1-DEG1-DEG1-TTP-TXRXtoROADM-A1-DEG1-DEG1-TTP-TXRX',
                    'ROADM-B1-DEG2-DEG2-TTP-TXRXtoROADM-C1-DEG2-DEG2-TTP-TXRX']
         for i in range(0, nbLink):
-            nodeType = res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type']
             link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
-            if(link_id in R2RLink):
+            if link_id in R2RLink:
                 find = False
                 spanLoss = res['network'][0]['ietf-network-topology:link'][i][
                     'org-openroadm-network-topology:OMS-attributes']['span']["engineered-spanloss"]
                 length = res['network'][0]['ietf-network-topology:link'][i][
                     'org-openroadm-network-topology:OMS-attributes']['span']['link-concatenation'][0]['SRLG-length']
-                if((spanLoss != None) & (length != None)):
+                if (spanLoss is not None) & (length is not None):
                     find = True
                 self.assertTrue(find)
                 R2RLink.remove(link_id)
@@ -970,52 +790,21 @@ class TransportPCEtesting(unittest.TestCase):
 
     def test_30_disconnect_ROADMB(self):
         # Delete in the topology-netconf
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-B1"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
+        response = test_utils.unmount_device("ROADM-B1")
         # Delete in the clli-network
-        url = ("{}/config/ietf-network:networks/network/clli-network/node/NodeB"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.del_node_request("NodeB")
         self.assertEqual(response.status_code, requests.codes.ok)
 
     def test_31_disconnect_ROADMC(self):
         # Delete in the topology-netconf
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-C1"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
+        response = test_utils.unmount_device("ROADM-C1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
         # Delete in the clli-network
-        url = ("{}/config/ietf-network:networks/network/clli-network/node/NodeC"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.del_node_request("NodeC")
         self.assertEqual(response.status_code, requests.codes.ok)
 
 #    def test_24_check_roadm2roadm_links_deletion(self):
-#        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-#               .format(self.restconf_baseurl))
-#        headers = {'content-type': 'application/json'}
-#        response = requests.request(
-#             "GET", url, headers=headers, auth=('admin', 'admin'))
+#        response = test_utils.get_ordm_topo_request("")
 #        self.assertEqual(response.status_code, requests.codes.ok)
 #        res = response.json()
 #        #Write the response in the log
@@ -1024,9 +813,12 @@ class TransportPCEtesting(unittest.TestCase):
 #        #Tests related to links
 #        nbLink=len(res['network'][0]['ietf-network-topology:link'])
 #        self.assertEqual(nbLink,8)
-#        expressLink=['ROADMA-DEG2-DEG2-CTP-TXRXtoROADMA-DEG1-DEG1-CTP-TXRX','ROADMA-DEG1-DEG1-CTP-TXRXtoROADMA-DEG2-DEG2-CTP-TXRX']
-#        addLink=['ROADMA-SRG1-SRG1-CP-TXRXtoROADMA-DEG2-DEG2-CTP-TXRX','ROADMA-SRG1-SRG1-CP-TXRXtoROADMA-DEG1-DEG1-CTP-TXRX',]
-#        dropLink=['ROADMA-DEG1-DEG1-CTP-TXRXtoROADMA-SRG1-SRG1-CP-TXRX','ROADMA-DEG2-DEG2-CTP-TXRXtoROADMA-SRG1-SRG1-CP-TXRX']
+#        expressLink=['ROADMA-DEG2-DEG2-CTP-TXRXtoROADMA-DEG1-DEG1-CTP-TXRX',
+#                     'ROADMA-DEG1-DEG1-CTP-TXRXtoROADMA-DEG2-DEG2-CTP-TXRX']
+#        addLink=['ROADMA-SRG1-SRG1-CP-TXRXtoROADMA-DEG2-DEG2-CTP-TXRX',
+#                 'ROADMA-SRG1-SRG1-CP-TXRXtoROADMA-DEG1-DEG1-CTP-TXRX',]
+#        dropLink=['ROADMA-DEG1-DEG1-CTP-TXRXtoROADMA-SRG1-SRG1-CP-TXRX',
+#                  'ROADMA-DEG2-DEG2-CTP-TXRXtoROADMA-SRG1-SRG1-CP-TXRX']
 #        XPDR_IN=['ROADMA-SRG1-SRG1-PP1-TXRXtoXPDRA-XPDR1-XPDR1-NETWORK1']
 #        XPDR_OUT=['XPDRA-XPDR1-XPDR1-NETWORK1toROADMA-SRG1-SRG1-PP1-TXRX']
 #        for i in range(0,nbLink):
@@ -1061,20 +853,24 @@ class TransportPCEtesting(unittest.TestCase):
 #        self.assertEqual(len(XPDR_OUT),0)
 #
 #        for i in range(0,nbLink):
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'],'ROADM-TO-ROADM')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-SRG1-SRG1-CP-TXRXtoROADMC-DEG1-DEG1-CTP-TXRX')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-DEG1-DEG1-CTP-TXRXtoROADMC-SRG1-SRG1-CP-TXRX')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-SRG1-SRG1-CP-TXRXtoROADMC-DEG2-DEG1-CTP-TXRX')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-DEG1-DEG2-CTP-TXRXtoROADMC-SRG1-SRG1-CP-TXRX')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-DEG1-DEG1-CTP-TXRXtoROADMC-DEG2-DEG2-CTP-TXRX')
-#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],'ROADMC-DEG2-DEG2-CTP-TXRXtoROADMC-DEG1-DEG1-CTP-TXRX')
+#            self.assertNotEqual((res['network'][0]['ietf-network-topology:link'][i]
+#                                    ['org-openroadm-common-network:link-type']),'ROADM-TO-ROADM')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-SRG1-SRG1-CP-TXRXtoROADMC-DEG1-DEG1-CTP-TXRX')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-DEG1-DEG1-CTP-TXRXtoROADMC-SRG1-SRG1-CP-TXRX')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-SRG1-SRG1-CP-TXRXtoROADMC-DEG2-DEG1-CTP-TXRX')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-DEG1-DEG2-CTP-TXRXtoROADMC-SRG1-SRG1-CP-TXRX')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-DEG1-DEG1-CTP-TXRXtoROADMC-DEG2-DEG2-CTP-TXRX')
+#            self.assertNotEqual(res['network'][0]['ietf-network-topology:link'][i]['link-id'],
+#                                'ROADMC-DEG2-DEG2-CTP-TXRXtoROADMC-DEG1-DEG1-CTP-TXRX')
 
     def test_32_getNodes_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         res = response.json()
         # Tests related to nodes
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -1085,23 +881,24 @@ class TransportPCEtesting(unittest.TestCase):
             nodeType = res['network'][0]['node'][i]['org-openroadm-common-network:node-type']
             nodeId = res['network'][0]['node'][i]['node-id']
             # Tests related to XPDRA nodes
-            if(nodeId == 'XPDR-A1-XPDR1'):
+            if nodeId == 'XPDR-A1-XPDR1':
                 nbTp = len(res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
                 for j in range(0, nbTp):
                     tpid = res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]['tp-id']
-                    if (tpid == 'XPDR1-CLIENT1'):
-                        self.assertEqual(res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
-                                         ['org-openroadm-common-network:tp-type'], 'XPONDER-CLIENT')
-                    if (tpid == 'XPDR1-NETWORK1'):
-                        self.assertEqual(res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
-                                         ['org-openroadm-common-network:tp-type'], 'XPONDER-NETWORK')
-                        self.assertEqual(res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
-                                         ['org-openroadm-network-topology:xpdr-network-attributes']['tail-equipment-id'],
+                    if tpid == 'XPDR1-CLIENT1':
+                        self.assertEqual((res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
+                                             ['org-openroadm-common-network:tp-type']), 'XPONDER-CLIENT')
+                    if tpid == 'XPDR1-NETWORK1':
+                        self.assertEqual((res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
+                                          ['org-openroadm-common-network:tp-type']), 'XPONDER-NETWORK')
+                        self.assertEqual((res['network'][0]['node'][i]['ietf-network-topology:termination-point'][j]
+                                          ['org-openroadm-network-topology:xpdr-network-attributes']
+                                          ['tail-equipment-id']),
                                          'ROADM-A1-SRG1--SRG1-PP1-TXRX')
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'XPDR-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG1'):
+            elif nodeId == 'ROADM-A1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -1112,7 +909,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG3'):
+            elif nodeId == 'ROADM-A1-SRG3':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -1123,7 +920,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG1'):
+            elif nodeId == 'ROADM-A1-DEG1':
                 # Test related to DEG1
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -1133,7 +930,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'network-ref': 'openroadm-network', 'node-ref': 'ROADM-A1'},
                               res['network'][0]['node'][i]['supporting-node'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG2'):
+            elif nodeId == 'ROADM-A1-DEG2':
                 # Test related to DEG2
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -1153,11 +950,7 @@ class TransportPCEtesting(unittest.TestCase):
             self.assertNotEqual(res['network'][0]['node'][i]['node-id'], 'ROADM-C1-DEG2')
 
     def test_33_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -1167,35 +960,20 @@ class TransportPCEtesting(unittest.TestCase):
             self.assertNotEqual(res['network'][0]['node'][i]['node-id'], 'ROADM-B1')
 
     def test_34_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
         self.assertEqual(nbNode, 1)
         for i in range(0, nbNode-1):
-            self.assertNotEqual(res['network'][0]['node'][1]['org-openroadm-clli-network:clli'], 'NodeC')
+            self.assertNotEqual(res['network'][0]['node'][i]['org-openroadm-clli-network:clli'], 'NodeC')
 
     def test_35_disconnect_XPDRA(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/XPDR-A1"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
+        response = test_utils.unmount_device("XPDR-A1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
 
     def test_36_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -1203,11 +981,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(res['network'][0]['node'][0]['org-openroadm-clli-network:clli'], 'NodeA')
 
     def test_37_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbNode = len(res['network'][0]['node'])
@@ -1216,11 +990,8 @@ class TransportPCEtesting(unittest.TestCase):
             self.assertNotEqual(res['network'][0]['node'][i]['node-id'], 'XPDR-A1')
 
     def test_38_getNodes_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        # pylint: disable=redundant-unittest-assert
+        response = test_utils.get_ordm_topo_request("")
         res = response.json()
         # Tests related to nodes
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -1232,7 +1003,7 @@ class TransportPCEtesting(unittest.TestCase):
                           res['network'][0]['node'][i]['supporting-node'])
             nodeType = res['network'][0]['node'][i]['org-openroadm-common-network:node-type']
             nodeId = res['network'][0]['node'][i]['node-id']
-            if(nodeId == 'ROADM-A1-SRG1'):
+            if nodeId == 'ROADM-A1-SRG1':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -1241,7 +1012,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'tp-id': 'SRG1-PP1-TXRX', 'org-openroadm-common-network:tp-type': 'SRG-TXRX-PP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-SRG3'):
+            elif nodeId == 'ROADM-A1-SRG3':
                 # Test related to SRG1
                 self.assertEqual(nodeType, 'SRG')
                 self.assertEqual(len(res['network'][0]['node'][i]['ietf-network-topology:termination-point']), 5)
@@ -1250,7 +1021,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'tp-id': 'SRG3-PP1-TXRX', 'org-openroadm-common-network:tp-type': 'SRG-TXRX-PP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG1'):
+            elif nodeId == 'ROADM-A1-DEG1':
                 # Test related to DEG1
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG1-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -1258,7 +1029,7 @@ class TransportPCEtesting(unittest.TestCase):
                 self.assertIn({'tp-id': 'DEG1-CTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-CTP'},
                               res['network'][0]['node'][i]['ietf-network-topology:termination-point'])
                 listNode.remove(nodeId)
-            elif(nodeId == 'ROADM-A1-DEG2'):
+            elif nodeId == 'ROADM-A1-DEG2':
                 # Test related to DEG2
                 self.assertEqual(nodeType, 'DEGREE')
                 self.assertIn({'tp-id': 'DEG2-TTP-TXRX', 'org-openroadm-common-network:tp-type': 'DEGREE-TXRX-TTP'},
@@ -1272,55 +1043,44 @@ class TransportPCEtesting(unittest.TestCase):
 
     def test_39_disconnect_ROADM_XPDRA_link(self):
         # Link-1
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/XPDR-A1-XPDR1-XPDR1-NETWORK1toROADM-A1-SRG1-SRG1-PP1-TXRX"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.del_link_request("XPDR-A1-XPDR1-XPDR1-NETWORK1toROADM-A1-SRG1-SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
         # Link-2
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology/ietf-network-topology:"
-               "link/ROADM-A1-SRG1-SRG1-PP1-TXRXtoXPDR-A1-XPDR1-XPDR1-NETWORK1"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.del_link_request("ROADM-A1-SRG1-SRG1-PP1-TXRXtoXPDR-A1-XPDR1-XPDR1-NETWORK1")
         self.assertEqual(response.status_code, requests.codes.ok)
 
     def test_40_getLinks_OpenRoadmTopology(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbLink = len(res['network'][0]['ietf-network-topology:link'])
         self.assertEqual(nbLink, 16)
         expressLink = ['ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
                        'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX']
-        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
-                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX', 'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX']
-        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
-                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX', 'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX']
+        addLink = ['ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG1-SRG1-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG2-DEG2-CTP-TXRX',
+                   'ROADM-A1-SRG3-SRG3-CP-TXRXtoROADM-A1-DEG1-DEG1-CTP-TXRX']
+        dropLink = ['ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG1-SRG1-CP-TXRX',
+                    'ROADM-A1-DEG1-DEG1-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX',
+                    'ROADM-A1-DEG2-DEG2-CTP-TXRXtoROADM-A1-SRG3-SRG3-CP-TXRX']
         roadmtoroadmLink = 0
         for i in range(0, nbLink):
-            if (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'EXPRESS-LINK'):
+            if (res['network'][0]['ietf-network-topology:link'][i]
+                   ['org-openroadm-common-network:link-type'] == 'EXPRESS-LINK'):
                 link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
                 find = link_id in expressLink
                 self.assertEqual(find, True)
                 expressLink.remove(link_id)
-            elif (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'ADD-LINK'):
+            elif (res['network'][0]['ietf-network-topology:link'][i]
+                     ['org-openroadm-common-network:link-type'] == 'ADD-LINK'):
                 link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
                 find = link_id in addLink
                 self.assertEqual(find, True)
                 addLink.remove(link_id)
-            elif (res['network'][0]['ietf-network-topology:link'][i]['org-openroadm-common-network:link-type'] == 'DROP-LINK'):
+            elif (res['network'][0]['ietf-network-topology:link'][i]
+                     ['org-openroadm-common-network:link-type'] == 'DROP-LINK'):
                 link_id = res['network'][0]['ietf-network-topology:link'][i]['link-id']
                 find = link_id in dropLink
                 self.assertEqual(find, True)
@@ -1338,51 +1098,26 @@ class TransportPCEtesting(unittest.TestCase):
                                 ['org-openroadm-common-network:link-type'], 'XPONDER-INPUT')
 
     def test_41_disconnect_ROADMA(self):
-        url = ("{}/config/network-topology:"
-               "network-topology/topology/topology-netconf/node/ROADM-A1"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
-        self.assertEqual(response.status_code, requests.codes.ok)
+        response = test_utils.unmount_device("ROADM-A1")
+        self.assertEqual(response.status_code, requests.codes.ok, test_utils.CODE_SHOULD_BE_200)
         # Delete in the clli-network
-        url = ("{}/config/ietf-network:networks/network/clli-network/node/NodeA"
-               .format(self.restconf_baseurl))
-        data = {}
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "DELETE", url, data=json.dumps(data), headers=headers,
-            auth=('admin', 'admin'))
+        response = test_utils.del_node_request("NodeA")
         self.assertEqual(response.status_code, requests.codes.ok)
 
     def test_42_getClliNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/clli-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_clli_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertNotIn('node', res['network'][0])
 
     def test_43_getOpenRoadmNetwork(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-network"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_net_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         self.assertNotIn('node', res['network'][0])
 
     def test_44_check_roadm2roadm_link_persistence(self):
-        url = ("{}/config/ietf-network:networks/network/openroadm-topology"
-               .format(self.restconf_baseurl))
-        headers = {'content-type': 'application/json'}
-        response = requests.request(
-            "GET", url, headers=headers, auth=('admin', 'admin'))
+        response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
         nbLink = len(res['network'][0]['ietf-network-topology:link'])