# -*- coding: utf-8 -*-
'''
    Tests for the saltutil state
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

import inspect

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

# Import Salt Libs
import salt.states.saltutil as saltutil_state
import salt.modules.saltutil as saltutil_module


class Saltutil(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.states.saltutil
    '''
    def setup_loader_modules(self):
        return {saltutil_state: {'__opts__': {'test': False}}}

    def test_saltutil_sync_all_nochange(self):
        sync_output = {
            'clouds': [],
            'engines': [],
            'executors': [],
            'grains': [],
            'beacons': [],
            'utils': [],
            'returners': [],
            'modules': [],
            'renderers': [],
            'log_handlers': [],
            'thorium': [],
            'states': [],
            'sdb': [],
            'proxymodules': [],
            'output': [],
            'pillar': [],
            'matchers': [],
            'serializers': [],
        }
        state_id = 'somename'
        state_result = {'changes': {},
                        'comment': 'No updates to sync',
                        'name': 'somename',
                        'result': True
                       }

        mock_moduleout = MagicMock(return_value=sync_output)
        with patch.dict(saltutil_state.__salt__, {'saltutil.sync_all': mock_moduleout}):
            result = saltutil_state.sync_all(state_id, refresh=True)
            self.assertEqual(result, state_result)

    def test_saltutil_sync_all_test(self):
        sync_output = {
            'clouds': [],
            'engines': [],
            'executors': [],
            'grains': [],
            'beacons': [],
            'utils': [],
            'returners': [],
            'modules': [],
            'renderers': [],
            'log_handlers': [],
            'thorium': [],
            'states': [],
            'sdb': [],
            'proxymodules': [],
            'output': [],
            'pillar': [],
            'matchers': [],
            'serializers': [],
        }
        state_id = 'somename'
        state_result = {'changes': {},
                        'comment': 'saltutil.sync_all would have been run',
                        'name': 'somename',
                        'result': None
                       }

        mock_moduleout = MagicMock(return_value=sync_output)
        with patch.dict(saltutil_state.__salt__, {'saltutil.sync_all': mock_moduleout}):
            with patch.dict(saltutil_state.__opts__, {'test': True}):
                result = saltutil_state.sync_all(state_id, refresh=True)
                self.assertEqual(result, state_result)

    def test_saltutil_sync_all_change(self):
        sync_output = {
            'clouds': [],
            'engines': [],
            'executors': [],
            'grains': [],
            'beacons': [],
            'utils': [],
            'returners': [],
            'modules': ['modules.file'],
            'renderers': [],
            'log_handlers': [],
            'thorium': [],
            'states': ['states.saltutil', 'states.ssh_auth'],
            'sdb': [],
            'proxymodules': [],
            'output': [],
            'pillar': [],
            'matchers': [],
            'serializers': [],
        }
        state_id = 'somename'
        state_result = {'changes': {'modules': ['modules.file'],
                                    'states': ['states.saltutil', 'states.ssh_auth']},
                        'comment': 'Sync performed',
                        'name': 'somename',
                        'result': True
                       }

        mock_moduleout = MagicMock(return_value=sync_output)
        with patch.dict(saltutil_state.__salt__, {'saltutil.sync_all': mock_moduleout}):
            result = saltutil_state.sync_all(state_id, refresh=True)
            self.assertEqual(result, state_result)

    def test_saltutil_sync_states_should_match_saltutil_module(self):
        module_functions = [
            f[0] for f in inspect.getmembers(saltutil_module, inspect.isfunction)
            if f[0].startswith('sync_')
        ]
        state_functions = [
            f[0] for f in inspect.getmembers(saltutil_state, inspect.isfunction)
            if f[0].startswith('sync_')
        ]
        for fn in module_functions:
            self.assertIn(
                fn,
                state_functions,
                msg='modules.saltutil.{} has no matching state in states.saltutil'.format(fn)
            )