New enos_facts, + module_utils/enos.py. modifying copyright year in rest all (#31696)

* Squashing all commits to one as suggested by John

* Adding Unit test method for the module enos_facts.py

* Pep8 and Ylint issues addressed

* Trying again to remove blank line. Some scripts are required for this.

* Bug Fixing for interfaces

* Editing for over indenting issue

* E203 whitespace before ','

* Update enos.py

Added warnings argument as to check_args method

* Update enos_facts.py

Added warnings to check_args method

test/units/modules/network/enos/test_enos_facts.py

@@ -0,0 +1,79 @@
+# (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 .enos_module import TestEnosModule, load_fixture, set_module_args
+from ansible.modules.network.enos import enos_facts
+
+
+class TestEnosFacts(TestEnosModule):
+
+    module = enos_facts
+
+    def setUp(self):
+        self.mock_run_commands = patch(
+            'ansible.modules.network.enos.enos_facts.run_commands')
+        self.run_commands = self.mock_run_commands.start()
+
+    def tearDown(self):
+        self.mock_run_commands.stop()
+
+    def load_fixtures(self, commands=None):
+
+        def load_from_file(*args, **kwargs):
+            module, commands = args
+            output = list()
+
+            for item in commands:
+                try:
+                    obj = json.loads(item)
+                    command = obj['command']
+                except ValueError:
+                    command = item
+                filename = str(command).replace(' ', '_')
+                filename = filename.replace('/', '7')
+                output.append(load_fixture(filename))
+            return output
+
+        self.run_commands.side_effect = load_from_file
+
+    def test_enos_facts_gather_subset_default(self):
+        set_module_args(dict())
+        result = self.execute_module()
+        ansible_facts = result['ansible_facts']
+        self.assertIn('hardware', ansible_facts['ansible_net_gather_subset'])
+        self.assertIn('default', ansible_facts['ansible_net_gather_subset'])
+        self.assertIn('interfaces', ansible_facts['ansible_net_gather_subset'])
+        self.assertEquals('test1', ansible_facts['ansible_net_hostname'])
+        self.assertIn('MGT', ansible_facts['ansible_net_interfaces'].keys())
+        self.assertEquals(3992.75390625, ansible_facts['ansible_net_memtotal_mb'])
+        self.assertEquals(3383.109375, ansible_facts['ansible_net_memfree_mb'])
+
+    def test_enos_facts_gather_subset_config(self):
+        set_module_args({'gather_subset': 'config'})
+        result = self.execute_module()
+        ansible_facts = result['ansible_facts']
+        self.assertIn('default', ansible_facts['ansible_net_gather_subset'])
+        self.assertIn('config', ansible_facts['ansible_net_gather_subset'])
+        self.assertEquals('test1', ansible_facts['ansible_net_hostname'])
+        self.assertIn('ansible_net_config', ansible_facts)