Mellanox OS name change: MLNXOS changed to ONYX (#34753)

* Mellanox OS name change: MLNXOS changed to ONYX

Signed-off-by: Samer Deeb <samerd@mellanox.com>

* Fix alphabetical order of modules metadata

Signed-off-by: Samer Deeb <samerd@mellanox.com>

test/units/modules/network/onyx/onyx_module.py

@@ -0,0 +1,91 @@
+# (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
+import os
+
+from units.modules.utils import AnsibleExitJson, AnsibleFailJson, ModuleTestCase
+
+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 TestOnyxModule(ModuleTestCase):
+
+    def execute_module(self, failed=False, changed=False, commands=None, is_updates=False, sort=True, transport='cli'):
+
+        self.load_fixtures(commands, transport=transport)
+
+        if failed:
+            result = self.failed()
+            self.assertTrue(result['failed'], result)
+        else:
+            result = self.changed(changed)
+            self.assertEqual(result['changed'], changed, result)
+
+        if commands is not None:
+            if is_updates:
+                commands_res = result.get('updates')
+            else:
+                commands_res = result.get('commands')
+            if sort:
+                self.assertEqual(sorted(commands), sorted(commands_res), commands_res)
+            else:
+                self.assertEqual(commands, commands_res, commands_res)
+
+        return result
+
+    def failed(self):
+        with self.assertRaises(AnsibleFailJson) as exc:
+            self.module.main()
+
+        result = exc.exception.args[0]
+        self.assertTrue(result['failed'], result)
+        return result
+
+    def changed(self, changed=False):
+        with self.assertRaises(AnsibleExitJson) as exc:
+            self.module.main()
+
+        result = exc.exception.args[0]
+        self.assertEqual(result['changed'], changed, result)
+        return result
+
+    def load_fixtures(self, commands=None, transport='cli'):
+        pass