salt/tests/unit/states/test_boto_cloudwatch_alarm.py

# -*- coding: utf-8 -*-
'''
    :codeauthor: Jayesh Kariya <jayeshk@saltstack.com>
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import skipIf, TestCase
from tests.support.mock import (
    NO_MOCK,
    NO_MOCK_REASON,
    MagicMock,
    patch)

# Import Salt Libs
import salt.states.boto_cloudwatch_alarm as boto_cloudwatch_alarm


@skipIf(NO_MOCK, NO_MOCK_REASON)
class BotoCloudwatchAlarmTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.states.boto_cloudwatch_alarm
    '''
    def setup_loader_modules(self):
        return {boto_cloudwatch_alarm: {}}

    # 'present' function tests: 1

    def test_present(self):
        '''
        Test to ensure the cloudwatch alarm exists.
        '''
        name = 'my test alarm'
        attributes = {'metric': 'ApproximateNumberOfMessagesVisible',
                      'namespace': 'AWS/SQS'}

        ret = {'name': name,
               'result': None,
               'changes': {},
               'comment': ''}

        mock = MagicMock(side_effect=[['ok_actions'], [], []])
        mock_bool = MagicMock(return_value=True)
        with patch.dict(boto_cloudwatch_alarm.__salt__,
                        {'boto_cloudwatch.get_alarm': mock,
                         'boto_cloudwatch.create_or_update_alarm': mock_bool}):
            with patch.dict(boto_cloudwatch_alarm.__opts__, {'test': True}):
                comt = ('alarm my test alarm is to be created/updated.')
                ret.update({'comment': comt})
                self.assertDictEqual(boto_cloudwatch_alarm.present(name,
                                                                   attributes),
                                     ret)

                comt = ('alarm my test alarm is to be created/updated.')
                ret.update({'comment': comt})
                self.assertDictEqual(boto_cloudwatch_alarm.present(name,
                                                                   attributes),
                                     ret)

            with patch.dict(boto_cloudwatch_alarm.__opts__, {'test': False}):
                changes = {'new':
                           {'metric': 'ApproximateNumberOfMessagesVisible',
                            'namespace': 'AWS/SQS'}}
                comt = ('alarm my test alarm is to be created/updated.')
                ret.update({'changes': changes, 'comment': '', 'result': True})
                self.assertDictEqual(boto_cloudwatch_alarm.present(name,
                                                                   attributes),
                                     ret)

    # 'absent' function tests: 1

    def test_absent(self):
        '''
        Test to ensure the named cloudwatch alarm is deleted.
        '''
        name = 'my test alarm'

        ret = {'name': name,
               'result': None,
               'changes': {},
               'comment': ''}

        mock = MagicMock(side_effect=[True, False])
        with patch.dict(boto_cloudwatch_alarm.__salt__,
                        {'boto_cloudwatch.get_alarm': mock}):
            with patch.dict(boto_cloudwatch_alarm.__opts__, {'test': True}):
                comt = ('alarm {0} is set to be removed.'.format(name))
                ret.update({'comment': comt})
                self.assertDictEqual(boto_cloudwatch_alarm.absent(name), ret)

                comt = ('my test alarm does not exist in None.')
                ret.update({'comment': comt, 'result': True})
                self.assertDictEqual(boto_cloudwatch_alarm.absent(name), ret)