Fix junos unit test failures (#26676)

*  Use lxml api's in unit test to parse xml
*  Remove unwanted import in unit test
*  Add ncclient dependency in unit test requirement

test/runner/requirements/constraints.txt

@@ -5,3 +5,4 @@ sphinx < 1.6 ; python_version < '2.7' # sphinx 1.6 and later require python 2.7
 yamllint != 1.8.0 ; python_version < '2.7' # yamllint 1.8.0 requires python 2.7+ while earlier/later versions do not
 isort < 4.2.8 # 4.2.8 changes import sort order requirements which breaks previously passing pylint tests
 pycrypto >= 2.6 # Need features found in 2.6 and greater
+ncclient >= 0.5.2 # Need features added in 0.5.2 and greater

test/runner/requirements/units.txt

@@ -22,3 +22,6 @@ ipaddress
 f5-sdk ; python_version >= '2.7'
 f5-icontrol-rest ; python_version >= '2.7'
 deepdiff
+
+# requirement for modules using Netconf protocol
+ncclient

test/units/modules/network/junos/junos_module.py

@@ -22,7 +22,10 @@ __metaclass__ = type
 import os
 import json
 
-import xml.etree.ElementTree as ET
+try:
+    from lxml.etree import parse
+except ImportError:
+    from xml.etree.ElementTree import parse
 
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import patch
@@ -52,7 +55,7 @@ def load_fixture(name, content='xml'):
             pass
     else:
         try:
-            data = ET.parse(path).getroot()
+            data = parse(path).getroot()
         except:
             pass
 

test/units/modules/network/junos/test_junos_command.py

@@ -19,9 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
-
-from ansible.compat.tests.mock import patch, MagicMock
+from ansible.compat.tests.mock import patch
 from ansible.modules.network.junos import junos_command
 from .junos_module import TestJunosModule, load_fixture, set_module_args
 

test/units/modules/network/junos/test_junos_facts.py

@@ -19,9 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
-
-from ansible.compat.tests.mock import patch, MagicMock
+from ansible.compat.tests.mock import patch
 from ansible.modules.network.junos import junos_facts
 from .junos_module import TestJunosModule, load_fixture, set_module_args
 

test/units/modules/network/junos/test_junos_netconf.py

@@ -19,11 +19,9 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
-
-from ansible.compat.tests.mock import patch, MagicMock
+from ansible.compat.tests.mock import patch
 from ansible.modules.network.junos import junos_netconf
-from .junos_module import TestJunosModule, load_fixture, set_module_args
+from .junos_module import TestJunosModule, set_module_args
 
 
 class TestJunosCommandModule(TestJunosModule):

test/units/modules/network/junos/test_junos_package.py

@@ -19,10 +19,8 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
-
 from ansible.compat.tests.mock import patch, MagicMock
-from .junos_module import TestJunosModule, load_fixture, set_module_args
+from .junos_module import TestJunosModule, set_module_args
 jnpr_mock = MagicMock()
 
 modules = {

test/units/modules/network/junos/test_junos_rpc.py

@@ -19,13 +19,15 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
+try:
+    from lxml.etree import tostring
+except ImportError:
     from xml.etree.ElementTree import tostring
 
-from ansible.compat.tests.mock import patch, MagicMock
+from ansible.compat.tests.mock import patch
 from ansible.modules.network.junos import junos_rpc
 from .junos_module import TestJunosModule, load_fixture, set_module_args
-from ansible.module_utils._text import to_text
+
 
 RPC_CLI_MAP = {
     'get-software-information': 'show version',