Add backup parameter to cli_config (#50206)

* Add backup parameter to cli_config

* Add a unit test for cli_config backup

test/units/modules/network/cli/test_cli_config.py

@@ -0,0 +1,55 @@
+# (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
+
+from units.compat.mock import patch, MagicMock
+from ansible.modules.network.cli import cli_config
+from units.modules.utils import set_module_args
+from .cli_module import TestCliModule, load_fixture
+
+
+class TestCliConfigModule(TestCliModule):
+
+    module = cli_config
+
+    def setUp(self):
+        super(TestCliConfigModule, self).setUp()
+
+        self.mock_connection = patch('ansible.modules.network.cli.cli_config.Connection')
+        self.get_connection = self.mock_connection.start()
+
+        self.conn = self.get_connection()
+
+    def tearDown(self):
+        super(TestCliConfigModule, self).tearDown()
+
+        self.mock_connection.stop()
+
+    @patch('ansible.modules.network.cli.cli_config.run')
+    def test_cli_config_backup_returns__backup__(self, run_mock):
+        self.conn.get_capabilities = MagicMock(return_value='{}')
+
+        args = dict(backup=True)
+        set_module_args(args)
+
+        run_mock.return_value = {}
+
+        result = self.execute_module()
+        self.assertIn('__backup__', result)