Lenovo cnos system module (#53764)

* Adding cnos_system module to Ansible.

* Adding UT, Functional test required for cnos_system. Bugs came up are fixed

* Adding more files to the cnos_system suit.

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

@@ -0,0 +1,11 @@
+hostname lenovo
+
+ip route 1.2.0.0/24 Null0 255
+ip route 1.2.3.4/31 Ethernet1/44 1.2.3.1
+ip route 1.2.3.4/32 1.2.34.5
+ip route 10.241.106.0/24 Ethernet1/13 10.241.107.1 113 tag 1013 description anil
+ip route 10.241.106.4/32 1.2.3.5 tag 333 description anillll
+ip route 10.241.106.4/32 1.3.56.7
+ip route 10.241.107.0/24 10.241.107.1
+ip route 10.241.107.1/32 Ethernet1/33 10.241.107.2 100 tag 111 description anil
+

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

@@ -0,0 +1,103 @@
+#
+# (c) 2016 Red Hat Inc.
+# Copyright (C) 2017 Lenovo.
+#
+# 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_system
+from units.modules.utils import set_module_args
+from .cnos_module import TestCnosModule, load_fixture
+
+
+class TestCnosSystemModule(TestCnosModule):
+
+    module = cnos_system
+
+    def setUp(self):
+        super(TestCnosSystemModule, self).setUp()
+
+        self.mock_get_config = patch('ansible.modules.network.cnos.cnos_system.get_config')
+        self.get_config = self.mock_get_config.start()
+
+        self.mock_load_config = patch('ansible.modules.network.cnos.cnos_system.load_config')
+        self.load_config = self.mock_load_config.start()
+
+    def tearDown(self):
+        super(TestCnosSystemModule, self).tearDown()
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def load_fixtures(self, commands=None, device=''):
+        self.get_config.return_value = load_fixture('cnos_system_config.cfg')
+        self.load_config.return_value = None
+
+    def test_cnos_system_hostname_changed(self):
+        set_module_args(dict(hostname='foo'))
+        commands = ['hostname foo']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_domain_lookup(self):
+        set_module_args(dict(lookup_enabled=False))
+        commands = ['no ip domain-lookup']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_missing_vrf(self):
+        domain_name = dict(name='example.com', vrf='example')
+        set_module_args(dict(domain_name=domain_name))
+        self.execute_module(failed=True)
+
+    def test_cnos_system_domain_name(self):
+        set_module_args(dict(domain_name=['example.net']))
+        commands = ['ip domain-name example.net vrf default']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_domain_name_complex(self):
+        domain_name = dict(name='example.net', vrf='management')
+        set_module_args(dict(domain_name=[domain_name]))
+        commands = ['ip domain-name example.net vrf management']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_domain_search(self):
+        set_module_args(dict(domain_search=['example.net']))
+        commands = ['ip domain-list example.net vrf default']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_domain_search_complex(self):
+        domain_search = dict(name='example.net', vrf='management')
+        set_module_args(dict(domain_search=[domain_search]))
+        commands = ['ip domain-list example.net vrf management']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_name_servers(self):
+        set_module_args(dict(name_servers=['1.2.3.4', '8.8.8.8']))
+        commands = ['ip name-server 1.2.3.4 vrf default', 'ip name-server 8.8.8.8 vrf default']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_name_servers_complex(self):
+        name_servers = dict(server='1.2.3.4', vrf='management')
+        set_module_args(dict(name_servers=[name_servers]))
+        commands = ['ip name-server 1.2.3.4 vrf management']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_cnos_system_state_absent(self):
+        set_module_args(dict(state='absent'))
+        commands = ['no hostname']
+        self.execute_module(changed=True, commands=commands)