- Adds iosxr_netconf module to configure netconf service on IOSXR (#31715)

* - Adds iosxr_netconf module to configure netcong service on Cisco
  IOS-XR devices

* - Adds Integration test for module
- Handles diff return from load_config

* - Adds unit test for iosxr_netconf module

test/integration/targets/iosxr_netconf/defaults/main.yaml

@@ -0,0 +1,3 @@
+---
+testcase: "*"
+test_items: []

test/integration/targets/iosxr_netconf/meta/main.yaml

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+dependencies:
+  - prepare_iosxr_tests

test/integration/targets/iosxr_netconf/tasks/cli.yaml

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+---
+- name: collect all cli test cases
+  find:
+    paths: "{{ role_path }}/tests/cli"
+    patterns: "{{ testcase }}.yaml"
+  register: test_cases
+  delegate_to: localhost
+
+- name: set test_items
+  set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"
+
+- name: run test case
+  include: "{{ test_case_to_run }}"
+  with_items: "{{ test_items }}"
+  loop_control:
+    loop_var: test_case_to_run

test/integration/targets/iosxr_netconf/tasks/main.yaml

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+---
+- { include: cli.yaml, tags: ['cli'] }

test/integration/targets/iosxr_netconf/tests/cli/basic.yaml

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+---
+- debug: msg="START iosxr_netconf cli/basic.yaml"
+
+- name: Disable NetConf service
+  iosxr_netconf: &disable_netconf
+    state: absent
+
+- block:
+  - name: Enable Netconf service
+    iosxr_netconf:
+      netconf_port: 830
+      netconf_vrf: 'default'
+      state: present
+    register: result
+
+  - assert: &true
+      that:
+        - 'result.changed == true'
+
+  - name: Check idempotence of Enable Netconf service
+    iosxr_netconf:
+      netconf_port: 830
+      netconf_vrf: 'default'
+      state: present
+    register: result
+
+  - assert: &false
+      that:
+        - 'result.changed == false'
+
+  - name: Change Netconf port 
+    iosxr_netconf:
+      netconf_port: 9000
+      state: present
+    register: result
+
+  - assert: *true
+
+  - name: Check idempotent of change Netconf port
+    iosxr_netconf:
+      netconf_port: 9000
+      state: present
+    register: result
+      
+  - assert: *false
+
+  - name: Add Netconf vrf
+    iosxr_netconf:
+      netconf_port: 9000
+      netconf_vrf: 'new_default'
+      state: present
+    register: result
+
+  - assert: *true
+
+  - name: Check idempotent of add Netconf vrf
+    iosxr_netconf:
+      netconf_port: 9000
+      netconf_vrf: 'new_default'
+      state: present
+    register: result
+      
+  - assert: *false
+
+  always:
+  - name: Disable Netconf service
+    iosxr_netconf: *disable_netconf
+
+- debug: msg="END iosxr_netconf cli/basic.yaml"

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

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+# (c) 2017 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 ansible.compat.tests.mock import patch
+from ansible.modules.network.iosxr import iosxr_netconf
+from .iosxr_module import TestIosxrModule, set_module_args
+
+
+class TestIosxrNetconfModule(TestIosxrModule):
+
+    module = iosxr_netconf
+
+    def setUp(self):
+        self.mock_exec_command = patch('ansible.modules.network.iosxr.iosxr_netconf.exec_command')
+        self.exec_command = self.mock_exec_command.start()
+
+        self.mock_get_config = patch('ansible.modules.network.iosxr.iosxr_netconf.get_config')
+        self.get_config = self.mock_get_config.start()
+
+        self.mock_load_config = patch('ansible.modules.network.iosxr.iosxr_netconf.load_config')
+        self.load_config = self.mock_load_config.start()
+
+    def tearDown(self):
+        self.mock_exec_command.stop()
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def test_iosxr_disable_netconf_service(self):
+        self.get_config.return_value = '''
+        netconf-yang agent
+            ssh
+        !
+        ssh server netconf vrf default
+        '''
+        self.exec_command.return_value = 0, '', None
+        set_module_args(dict(netconf_port=830, netconf_vrf='default', state='absent'))
+        result = self.execute_module(changed=True)
+        self.assertEqual(result['commands'], ['no netconf-yang agent ssh', 'no ssh server netconf port 830', 'no ssh server netconf vrf default'])
+
+    def test_iosxr_enable_netconf_service(self):
+        self.get_config.return_value = ''
+        self.exec_command.return_value = 0, '', None
+        set_module_args(dict(netconf_port=830, netconf_vrf='default', state='present'))
+        result = self.execute_module(changed=True)
+        self.assertEqual(result['commands'], ['netconf-yang agent ssh', 'ssh server netconf port 830', 'ssh server netconf vrf default'])
+
+    def test_iosxr_change_netconf_port(self):
+        self.get_config.return_value = '''
+        netconf-yang agent
+            ssh
+        !
+        ssh server netconf vrf default
+        '''
+        self.exec_command.return_value = 0, '', None
+        set_module_args(dict(netconf_port=9000, state='present'))
+        result = self.execute_module(changed=True)
+        self.assertEqual(result['commands'], ['ssh server netconf port 9000'])
+
+    def test_iosxr_change_netconf_vrf(self):
+        self.get_config.return_value = '''
+        netconf-yang agent
+            ssh
+        !
+        ssh server netconf vrf default
+        '''
+        self.exec_command.return_value = 0, '', None
+        set_module_args(dict(netconf_vrf='new_default', state='present'))
+        result = self.execute_module(changed=True)
+        self.assertEqual(result['commands'], ['ssh server netconf vrf new_default'])