Lenovo cnos user module (#53763)

* Adding cnos_user module to Ansible

* Update cnos_user.py

* Adding Functional test cases and unit test cases.

* Fixing Bug found in testing with Lenovo Mars.

* Review comments incorporated

* Review comments implemented.

* Copy paste mistake

test/units/modules/network/cnos/fixtures/cnos_user_config.cfg

@@ -0,0 +1,8 @@
+User:admin
+        role: network-admin
+
+User:ansible
+        role: network-operator
+no password set. Local login not allowed
+this user is created by remote authentication
+Remote login through RADIUS/TACACS+ is possible

test/units/modules/network/cnos/test_cnos_user.py

@@ -0,0 +1,89 @@
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from units.compat.mock import patch
+from ansible.modules.network.cnos import cnos_user
+from units.modules.utils import set_module_args
+from .cnos_module import TestCnosModule, load_fixture
+
+
+class TestCnosUserModule(TestCnosModule):
+
+    module = cnos_user
+
+    def setUp(self):
+        super(TestCnosUserModule, self).setUp()
+        self.mock_get_config = patch('ansible.modules.network.cnos.cnos_user.get_config')
+        self.get_config = self.mock_get_config.start()
+        self.mock_load_config = patch('ansible.modules.network.cnos.cnos_user.load_config')
+        self.load_config = self.mock_load_config.start()
+        self.mock_run_commands = patch('ansible.modules.network.cnos.cnos_user.run_commands')
+        self.run_commands = self.mock_run_commands.start()
+
+    def tearDown(self):
+        super(TestCnosUserModule, self).tearDown()
+
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+        self.mock_run_commands.stop()
+
+    def load_fixtures(self, commands=None, transport='cli'):
+        self.get_config.return_value = load_fixture('cnos_user_config.cfg')
+        self.load_config.return_value = dict(diff=None, session='session')
+        self.run_commands.return_value = [load_fixture('cnos_user_config.cfg')]
+
+    def test_cnos_user_create(self):
+        set_module_args(dict(name='test', configured_password='Anil'))
+        commands = ['username test', 'username test password Anil']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_user_delete(self):
+        set_module_args(dict(name='ansible', state='absent'))
+        commands = []
+        self.execute_module(changed=False, commands=commands)
+
+    def test_cnos_user_password(self):
+        set_module_args(dict(name='ansible', configured_password='test'))
+        commands = ['username ansible', 'username ansible password test']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_user_purge(self):
+        set_module_args(dict(purge=True))
+        commands = ['no username admin\n', 'no username ansible\n']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_user_role(self):
+        set_module_args(dict(name='ansible', role='network-admin', configured_password='test'))
+        result = self.execute_module(changed=True)
+        self.assertIn('username ansible role network-admin', result['commands'])
+
+    def test_cnos_user_sshkey(self):
+        set_module_args(dict(name='ansible', sshkey='test'))
+        commands = ['username ansible', 'username ansible sshkey test']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_user_update_password_changed(self):
+        set_module_args(dict(name='test', configured_password='test', update_password='on_create'))
+        commands = ['username test', 'username test password test']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_user_update_password_always(self):
+        set_module_args(dict(name='ansible', configured_password='test', update_password='always'))
+        commands = ['username ansible', 'username ansible password test']
+        self.execute_module(changed=True, commands=commands)