Added Unit tests to eos_logging (#63248)

* Added Unit tests to eos_logging

* Added Unit testcases for eos_logging

* Added Unit testcases for eos_logging

* Added Unit testcases for eos_logging

* Add UT

* Corrected lint errors

* Corrected lint errors

* Addressed review comments

* Corrected lint errors

test/units/modules/network/eos/fixtures/eos_logging_config.cfg

@@ -0,0 +1,6 @@
+!
+logging host 175.16.0.10
+logging console warnings
+logging buffered 50000 informational
+logging facility local7
+!

test/units/modules/network/eos/test_eos_logging.py

@@ -0,0 +1,104 @@
+# (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
+
+from units.compat.mock import patch, MagicMock
+from ansible.modules.network.eos import eos_logging
+from ansible.plugins.cliconf.eos import Cliconf
+from units.modules.utils import set_module_args
+from .eos_module import TestEosModule, load_fixture
+
+
+class TestEosLoggingModule(TestEosModule):
+
+    module = eos_logging
+
+    def setUp(self):
+        super(TestEosLoggingModule, self).setUp()
+        self._log_config = load_fixture('eos_logging_config.cfg')
+
+        self.mock_get_config = patch('ansible.modules.network.eos.eos_logging.get_config')
+        self.get_config = self.mock_get_config.start()
+
+        self.mock_load_config = patch('ansible.modules.network.eos.eos_logging.load_config')
+        self.load_config = self.mock_load_config.start()
+
+    def tearDown(self):
+        super(TestEosLoggingModule, self).tearDown()
+
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def load_fixtures(self, commands=None, transport='cli'):
+        self.get_config.return_value = load_fixture('eos_logging_config.cfg')
+        self.load_config.return_value = dict(diff=None, session='session')
+
+    def test_eos_setup_host_logging_idempotenet(self):
+        set_module_args(dict(dest='host', name='175.16.0.10', state='present'))
+        self.execute_module(changed=False, commands=[])
+
+    def test_eos_setup_host_logging(self):
+        set_module_args(dict(dest='host', name='175.16.0.1', state='present'))
+        commands = ['logging host 175.16.0.1']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_eos_buffer_size_outofrange(self):
+        set_module_args(dict(dest='buffered', size=5))
+        result = self.execute_module(failed=True)
+        self.assertEqual(result['msg'], "size must be between 10 and 2147483647")
+
+    def test_eos_buffer_size_datatype(self):
+        set_module_args(dict(dest='buffered', size='ten'))
+        result = self.execute_module(failed=True)
+        self.assertIn("we were unable to convert to int", result['msg'])
+
+    def test_eos_buffer_size(self):
+        set_module_args(dict(dest='buffered', size=5000))
+        commands = ['logging buffered 5000']
+        result = self.execute_module(changed=True, commands=commands)
+
+    def test_eos_buffer_size_idempotent(self):
+        set_module_args(dict(dest='buffered', size=50000, level='informational'))
+        result = self.execute_module(changed=False, commands=[])
+
+    def test_eos_facilty(self):
+        set_module_args(dict(facility='local2'))
+        commands = ['logging facility local2']
+        result = self.execute_module(changed=True, commands=commands)
+        # when dest is not passed, 'None' is set to dest
+        # self.assertEqual(sorted(result['commands'])[1], commands[0])
+
+    def test_eos_facility_idempotent(self):
+        set_module_args(dict(facility='local7'))
+        result = self.execute_module(changed=False, commands=[])
+
+    def test_eos_level(self):
+        set_module_args(dict(dest='console', level='critical'))
+        commands = ['logging console critical']
+        result = self.execute_module(changed=True, commands=commands)
+
+    def test_eos_level_idempotent(self):
+        set_module_args(dict(dest='console', level='warnings'))
+        result = self.execute_module(changed=False, commands=[])
+
+    def test_eos_logging_state_absent(self):
+        set_module_args(dict(dest='host', name='175.16.0.10', state='absent'))
+        commands = ['no logging host 175.16.0.10']
+        self.execute_module(changed=True, commands=commands)