adds iosxr_system declarative module (#20134)

* adds new module iosxr_system
* adds unit test cases for module

test/units/modules/network/iosxr/test_iosxr_system.py

@@ -0,0 +1,140 @@
+#!/usr/bin/env python
+#
+# (c) 2016 Red Hat Inc.
+#
+# 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
+
+import os
+import json
+
+import ansible.module_utils.basic
+
+from ansible.compat.tests import unittest
+from ansible.compat.tests.mock import patch, MagicMock
+from ansible.errors import AnsibleModuleExit
+from ansible.modules.network.iosxr import iosxr_system
+from ansible.module_utils import basic
+from ansible.module_utils._text import to_bytes
+
+def set_module_args(args):
+    args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
+    basic._ANSIBLE_ARGS = to_bytes(args)
+
+fixture_path = os.path.join(os.path.dirname(__file__), 'fixtures')
+fixture_data = {}
+
+def load_fixture(name):
+    path = os.path.join(fixture_path, name)
+
+    if path in fixture_data:
+        return fixture_data[path]
+
+    with open(path) as f:
+        data = f.read()
+
+    try:
+        data = json.loads(data)
+    except:
+        pass
+
+    fixture_data[path] = data
+    return data
+
+
+class TestIosxrSystemModule(unittest.TestCase):
+
+    def setUp(self):
+        self.mock_get_config = patch('ansible.modules.network.iosxr.iosxr_system.get_config')
+        self.get_config = self.mock_get_config.start()
+
+        self.mock_load_config = patch('ansible.modules.network.iosxr.iosxr_system.load_config')
+        self.load_config = self.mock_load_config.start()
+
+    def tearDown(self):
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def execute_module(self, failed=False, changed=False, commands=None, sort=True):
+
+        self.get_config.return_value = load_fixture('iosxr_system_config.cfg')
+        self.load_config.return_value = dict(diff=None, session='session')
+
+        with self.assertRaises(AnsibleModuleExit) as exc:
+            iosxr_system.main()
+
+        result = exc.exception.result
+
+        if failed:
+            self.assertTrue(result['failed'], result)
+        else:
+            self.assertEqual(result['changed'], changed, result)
+
+        if commands:
+            if sort:
+                self.assertEqual(sorted(commands), sorted(result['commands']), result['commands'])
+            else:
+                self.assertEqual(commands, result['commands'])
+
+        return result
+
+    def test_iosxr_system_hostname_changed(self):
+        set_module_args(dict(hostname='foo'))
+        commands = ['hostname foo']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_domain_name(self):
+        set_module_args(dict(domain_name='test.com'))
+        commands = ['domain name test.com']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_domain_search(self):
+        set_module_args(dict(domain_search=['ansible.com', 'redhat.com']))
+        commands=['domain list ansible.com', 'no domain list cisco.com']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_lookup_source(self):
+        set_module_args(dict(lookup_source='Ethernet1'))
+        commands = ['domain lookup source-interface Ethernet1']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_lookup_enabled(self):
+        set_module_args(dict(lookup_enabled=True))
+        commands = ['no domain lookup disable']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_name_servers(self):
+        name_servers = ['8.8.8.8', '8.8.4.4', '1.1.1.1']
+        set_module_args(dict(name_servers=name_servers))
+        commands = ['domain name-server 1.1.1.1', 'no domain name-server 8.8.4.4']
+        self.execute_module(changed=True)
+
+    def test_iosxr_system_state_absent(self):
+        set_module_args(dict(state='absent'))
+        commands = ['no hostname', 'no domain name',
+                             'no domain lookup disable',
+                             'no domain lookup source-interface MgmtEth0/0/CPU0/0',
+                             'no domain list redhat.com', 'no domain list cisco.com',
+                             'no domain name-server 8.8.8.8', 'no domain name-server 8.8.4.4']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_iosxr_system_no_change(self):
+        set_module_args(dict(hostname='iosxr01', domain_name='eng.ansible.com'))
+        self.execute_module()
+