nxos_vxlan_vtep_vni fixes (#25913)

* nxos_vxlan_vtep_vni first pass
* nxos_vxlan_vtep_vni tests

test/sanity/pep8/legacy-files.txt

@@ -395,7 +395,6 @@ lib/ansible/modules/network/nxos/nxos_vrrp.py
 lib/ansible/modules/network/nxos/nxos_vtp_domain.py
 lib/ansible/modules/network/nxos/nxos_vtp_password.py
 lib/ansible/modules/network/nxos/nxos_vtp_version.py
-lib/ansible/modules/network/nxos/nxos_vxlan_vtep_vni.py
 lib/ansible/modules/net_tools/omapi_host.py
 lib/ansible/modules/network/openswitch/_ops_template.py
 lib/ansible/modules/network/openswitch/ops_command.py

test/units/modules/network/nxos/fixtures/nxos_vxlan_vtep_vni/config.cfg

@@ -0,0 +1,2 @@
+interface nve1
+  member vni 6000

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

@@ -0,0 +1,62 @@
+# (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 json
+
+from ansible.compat.tests.mock import patch
+from ansible.modules.network.nxos import nxos_vxlan_vtep_vni
+from .nxos_module import TestNxosModule, load_fixture, set_module_args
+
+
+class TestNxosVxlanVtepVniModule(TestNxosModule):
+
+    module = nxos_vxlan_vtep_vni
+
+    def setUp(self):
+        self.mock_load_config = patch('ansible.modules.network.nxos.nxos_vxlan_vtep_vni.load_config')
+        self.load_config = self.mock_load_config.start()
+
+        self.mock_get_config = patch('ansible.modules.network.nxos.nxos_vxlan_vtep_vni.get_config')
+        self.get_config = self.mock_get_config.start()
+
+    def tearDown(self):
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def load_fixtures(self, commands=None, device=''):
+        self.get_config.return_value = load_fixture('nxos_vxlan_vtep_vni', 'config.cfg')
+        self.load_config.return_value = None
+
+    def test_nxos_vxlan_vtep_vni_present_no_change(self):
+        set_module_args(dict(interface='nve1', vni=6000))
+        self.execute_module(changed=False, commands=[])
+
+    def test_nxos_vxlan_vtep_vni(self):
+        set_module_args(dict(interface='nve1', vni=5000))
+        self.execute_module(changed=True, commands=['interface nve1', 'member vni 5000'])
+
+    def test_nxos_vxlan_vtep_vni_absent(self):
+        set_module_args(dict(interface='nve1', vni=6000, state='absent'))
+        self.execute_module(changed=True, commands=['interface nve1', 'no member vni 6000'])
+
+    def test_nxos_vxlan_vtep_vni_absent_no_change(self):
+        set_module_args(dict(interface='nve2', vni=6000, state='absent'))
+        self.execute_module(changed=False, commands=[])