nxos_vrf fix (ansible#25812)

* Fixes ansible#25031

* Slight cleanup and add tests

lib/ansible/modules/network/nxos/nxos_vrf.py

@@ -98,7 +98,7 @@
 '''
 import re
 
-from ansible.module_utils.nxos import get_config, load_config, run_commands
+from ansible.module_utils.nxos import load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
@@ -190,6 +190,7 @@ def get_vrf(vrf, module):
         return {}
 
     parsed_vrf = apply_key_map(vrf_key, vrf_table)
+    parsed_vrf['admin_state'] = parsed_vrf['admin_state'].lower()
 
     command = 'show run all | section vrf.context.{0}'.format(vrf)
     body = execute_show_command(command, module)[0]
@@ -259,13 +260,13 @@ def main():
         if proposed.get('vni'):
             if existing.get('vni') and existing.get('vni') != '':
                 commands.insert(1, 'no vni {0}'.format(existing['vni']))
-        if module.check_mode:
-            module.exit_json(changed=True, commands=commands)
-        else:
+
+        if not module.check_mode:
             load_config(module, commands)
-            results['changed'] = True
-            if 'configure' in commands:
-                commands.pop(0)
+
+        results['changed'] = True
+        if 'configure' in commands:
+            commands.pop(0)
 
     results['commands'] = commands
 

test/units/modules/network/nxos/fixtures/nxos_vrf/show_run_all

@@ -0,0 +1,4 @@
+vrf context coke
+vrf context management
+  ip route 172.26.0.0/16 172.26.4.1
+vrf context test-vrf

test/units/modules/network/nxos/fixtures/nxos_vrf/show_vrf_management

@@ -0,0 +1,10 @@
+{
+  "TABLE_vrf": {
+    "ROW_vrf": {
+      "vrf_name": "management", 
+      "vrf_id": 2, 
+      "vrf_state": "Up", 
+      "vrf_reason": "--"
+    }
+  }
+}

test/units/modules/network/nxos/test_nxos_vrf.py

@@ -19,7 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import json
+import os
 
 from ansible.compat.tests.mock import patch
 from ansible.modules.network.nxos import nxos_vrf
@@ -31,32 +31,45 @@ class TestNxosVrfModule(TestNxosModule):
     module = nxos_vrf
 
     def setUp(self):
-        self.mock_run_commands = patch('ansible.modules.network.nxos.nxos_vrf.run_commands')
-        self.run_commands = self.mock_run_commands.start()
-
         self.mock_load_config = patch('ansible.modules.network.nxos.nxos_vrf.load_config')
         self.load_config = self.mock_load_config.start()
 
-        self.mock_get_config = patch('ansible.modules.network.nxos.nxos_vrf.get_config')
-        self.get_config = self.mock_get_config.start()
+        self.mock_run_commands = patch('ansible.modules.network.nxos.nxos_vrf.run_commands')
+        self.run_commands = self.mock_run_commands.start()
 
     def tearDown(self):
-        self.mock_run_commands.stop()
         self.mock_load_config.stop()
-        self.mock_get_config.stop()
+        self.mock_run_commands.stop()
 
     def load_fixtures(self, commands=None):
+        def load_from_file(*args, **kwargs):
+            module, commands = args
+            output = list()
+
+            for command in commands:
+                filename = str(command).split(' | ')[0].replace(' ', '_')
+                filename = os.path.join('nxos_vrf', filename)
+                output.append(load_fixture(filename))
+            return output
+
         self.load_config.return_value = None
+        self.run_commands.side_effect = load_from_file
 
     def test_nxos_vrf_present(self):
         set_module_args(dict(vrf='ntc', state='present', admin_state='up'))
-        result = self.execute_module(changed=True)
-        self.assertEqual(result['commands'], ['vrf context ntc', 'no shutdown'])
+        self.execute_module(changed=True, commands=['vrf context ntc', 'no shutdown'])
+
+    def test_nxos_vrf_present_no_change(self):
+        set_module_args(dict(vrf='management', state='present', admin_state='up'))
+        self.execute_module(changed=False, commands=[])
 
     def test_nxos_vrf_absent(self):
+        set_module_args(dict(vrf='management', state='absent'))
+        self.execute_module(changed=True, commands=['no vrf context management'])
+
+    def test_nxos_vrf_absent_no_change(self):
         set_module_args(dict(vrf='ntc', state='absent'))
-        result = self.execute_module(changed=True)
-        self.assertEqual(result['commands'], ['no vrf context ntc'])
+        self.execute_module(changed=False, commands=[])
 
     def test_nxos_vrf_default(self):
         set_module_args(dict(vrf='default'))