Adding enos_command module and unit test (#32782)

* Adding git_command module and its UT file

* Changing Author Name and removing 2 blank lines

* Removing blank lines

* Adding enos_config and its UT files

* Removing config module as I am allowed to have only module per PR

* Work on Ganesh's Review comments

* John Review Comments on enos_command.py

* Review comments of John

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

@@ -0,0 +1,103 @@
+# Copyright (C) 2017 Lenovo, 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.enos import enos_command
+from .enos_module import TestEnosModule, load_fixture, set_module_args
+
+
+class TestEnosCommandModule(TestEnosModule):
+
+    module = enos_command
+
+    def setUp(self):
+        self.mock_run_commands = patch('ansible.modules.network.enos.enos_command.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:
+                    command = item
+                except ValueError:
+                    command = 'show version'
+                filename = str(command).replace(' ', '_')
+                output.append(load_fixture(filename))
+            return output
+
+        self.run_commands.side_effect = load_from_file
+
+    def test_enos_command_simple(self):
+        set_module_args(dict(commands=['show version']))
+        result = self.execute_module()
+        self.assertEqual(len(result['stdout']), 1)
+        self.assertTrue(result['stdout'][0].startswith('System Information'))
+
+    def test_enos_command_multiple(self):
+        set_module_args(dict(commands=['show version', 'show run']))
+        result = self.execute_module()
+        self.assertEqual(len(result['stdout']), 2)
+        self.assertTrue(result['stdout'][0].startswith('System Information'))
+
+    def test_enos_command_wait_for(self):
+        wait_for = 'result[0] contains "System Information"'
+        set_module_args(dict(commands=['show version'], wait_for=wait_for))
+        self.execute_module()
+
+    def test_enos_command_wait_for_fails(self):
+        wait_for = 'result[0] contains "test string"'
+        set_module_args(dict(commands=['show version'], wait_for=wait_for))
+        self.execute_module(failed=True)
+        self.assertEqual(self.run_commands.call_count, 10)
+
+    def test_enos_command_retries(self):
+        wait_for = 'result[0] contains "test string"'
+        set_module_args(dict(commands=['show version'], wait_for=wait_for, retries=2))
+        self.execute_module(failed=True)
+        self.assertEqual(self.run_commands.call_count, 2)
+
+    def test_enos_command_match_any(self):
+        wait_for = ['result[0] contains "System Information"',
+                    'result[0] contains "test string"']
+        set_module_args(dict(commands=['show version'], wait_for=wait_for, match='any'))
+        self.execute_module()
+
+    def test_enos_command_match_all(self):
+        wait_for = ['result[0] contains "System Information"',
+                    'result[0] contains "Lenovo"']
+        set_module_args(dict(commands=['show version'], wait_for=wait_for, match='all'))
+        self.execute_module()
+
+    def test_enos_command_match_all_failure(self):
+        wait_for = ['result[0] contains "Lenovo ENOS"',
+                    'result[0] contains "test string"']
+        commands = ['show version', 'show run']
+        set_module_args(dict(commands=commands, wait_for=wait_for, match='all'))
+        self.execute_module(failed=True)