# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Rahul Handay <rahulha@saltstack.com>`
'''

# Import Python Libs
from __future__ import absolute_import

# Import Salt Testing Libs
from salttesting import TestCase, skipIf
from salttesting.helpers import ensure_in_syspath
from salttesting.mock import (
    MagicMock,
    patch,
    NO_MOCK,
    NO_MOCK_REASON
)

ensure_in_syspath('../../')

# Import Salt Libs
from salt.states import service

# Globals
service.__salt__ = {}
service.__opts__ = {}


def func(name):
    '''
        Mock func method
    '''
    return name


@skipIf(NO_MOCK, NO_MOCK_REASON)
class ServiceTestCase(TestCase):
    '''
        Validate the service state
    '''
    def test_running(self):
        '''
            Test to verify that the service is running
        '''
        ret = [{'comment': '', 'changes': {}, 'name': 'salt', 'result': True},
               {'changes': {},
                'comment': 'The service salt is already running',
                'name': 'salt', 'result': True},
               {'changes': 'saltstack',
                'comment': 'The service salt is already running',
                'name': 'salt', 'result': True},
               {'changes': {},
                'comment': 'Service salt is set to start', 'name': 'salt',
                'result': None},
               {'changes': 'saltstack',
                'comment': 'Started Service salt', 'name': 'salt',
                'result': True}]

        mock = MagicMock(return_value="salt")
        with patch.object(service, '_enabled_used_error', mock):
            self.assertEqual(service.running("salt", enabled=1), 'salt')

        mock = MagicMock(side_effect=[False, True, True, True, True, True])
        with patch.object(service, '_available', mock):
            self.assertDictEqual(service.running("salt"), ret[0])

            mock = MagicMock(side_effect=[True, True, True, False, False])
            with patch.dict(service.__salt__, {'service.status': mock}):
                self.assertDictEqual(service.running("salt"), ret[1])

                mock = MagicMock(return_value={'changes': 'saltstack'})
                with patch.object(service, '_enable', mock):
                    self.assertDictEqual(service.running("salt", True), ret[2])

                mock = MagicMock(return_value={'changes': 'saltstack'})
                with patch.object(service, '_disable', mock):
                    self.assertDictEqual(service.running("salt", False),
                                         ret[2])

                with patch.dict(service.__opts__, {'test': True}):
                    self.assertDictEqual(service.running("salt"), ret[3])

                with patch.dict(service.__opts__, {'test': False}):
                    mock = MagicMock(return_value="stack")
                    with patch.dict(service.__salt__, {'service.start': mock}):
                        mock = MagicMock(return_value={'changes': 'saltstack'})
                        with patch.object(service, '_enable', mock):
                            self.assertDictEqual(service.running("salt", True),
                                                 ret[4])

    def test_dead(self):
        '''
            Test to ensure that the named service is dead
        '''
        ret = [{'changes': {}, 'comment': '', 'name': 'salt', 'result': True},
               {'changes': 'saltstack',
                'comment': 'The service salt is already dead', 'name': 'salt',
                'result': True},
               {'changes': {},
                'comment': 'Service salt is set to be killed', 'name': 'salt',
                'result': None},
               {'changes': 'saltstack',
                'comment': 'Service salt was killed', 'name': 'salt',
                'result': True}]

        mock = MagicMock(return_value="salt")
        with patch.object(service, '_enabled_used_error', mock):
            self.assertEqual(service.dead("salt", enabled=1), 'salt')

        mock = MagicMock(side_effect=[False, True, True, True])
        with patch.object(service, '_available', mock):
            self.assertDictEqual(service.dead("salt"), ret[0])

            mock = MagicMock(side_effect=[False, True, True])
            with patch.dict(service.__salt__, {'service.status': mock}):
                mock = MagicMock(return_value={'changes': 'saltstack'})
                with patch.object(service, '_enable', mock):
                    self.assertDictEqual(service.dead("salt", True), ret[1])

                with patch.dict(service.__opts__, {'test': True}):
                    self.assertDictEqual(service.dead("salt"), ret[2])

                with patch.dict(service.__opts__, {'test': False}):
                    mock = MagicMock(return_value="stack")
                    with patch.dict(service.__salt__, {'service.stop': mock}):
                        mock = MagicMock(return_value={'changes': 'saltstack'})
                        with patch.object(service, '_enable', mock):
                            self.assertDictEqual(service.dead("salt", True),
                                                 ret[3])

    def test_enabled(self):
        '''
            Test to verify that the service is enabled
        '''
        ret = {'changes': 'saltstack', 'comment': '', 'name': 'salt',
               'result': True}
        mock = MagicMock(return_value={'changes': 'saltstack'})
        with patch.object(service, '_enable', mock):
            self.assertDictEqual(service.enabled("salt"), ret)

    def test_disabled(self):
        '''
            Test to verify that the service is disabled
        '''
        ret = {'changes': 'saltstack', 'comment': '', 'name': 'salt',
               'result': True}
        mock = MagicMock(return_value={'changes': 'saltstack'})
        with patch.object(service, '_disable', mock):
            self.assertDictEqual(service.disabled("salt"), ret)

    def test_mod_watch(self):
        '''
            Test to the service watcher, called to invoke the watch command.
        '''
        ret = [{'changes': {},
                'comment': 'Service is already stopped', 'name': 'salt',
                'result': True},
               {'changes': {},
                'comment': 'Unable to trigger watch for service.stack',
                'name': 'salt', 'result': False},
               {'changes': {},
                'comment': 'Service is set to be started', 'name': 'salt',
                'result': None},
               {'changes': {'salt': 'salt'},
                'comment': 'Service started', 'name': 'salt',
                'result': 'salt'}]

        mock = MagicMock(return_value=False)
        with patch.dict(service.__salt__, {'service.status': mock}):
            self.assertDictEqual(service.mod_watch("salt", "dead"), ret[0])

            with patch.dict(service.__salt__, {'service.start': func}):
                with patch.dict(service.__opts__, {'test': True}):
                    self.assertDictEqual(service.mod_watch("salt", "running"),
                                         ret[2])

                with patch.dict(service.__opts__, {'test': False}):
                    self.assertDictEqual(service.mod_watch("salt", "running"),
                                         ret[3])

        self.assertDictEqual(service.mod_watch("salt", "stack"), ret[1])


if __name__ == '__main__':
    from integration import run_tests
    run_tests(ServiceTestCase, needs_daemon=False)