salt/tests/unit/utils/test_configcomparer.py

# -*- coding: utf-8 -*-

# Import python libs
from __future__ import absolute_import, print_function, unicode_literals
import copy

# Import Salt Testing libs
from tests.support.unit import TestCase

# Import Salt libs
import salt.utils.configcomparer as configcomparer


class UtilConfigcomparerTestCase(TestCase):

    base_config = {
        'attr1': 'value1',
        'attr2': [
            'item1',
            'item2',
            'item3',
        ],
        'attr3': [],
        'attr4': {},
        'attr5': {
            'subattr1': 'value1',
            'subattr2': [
                'item1',
            ],
        },
    }

    def test_compare_and_update_config(self):

        # empty config
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {},
            to_update,
            changes,
        )
        self.assertEqual({}, changes)
        self.assertEqual(self.base_config, to_update)

        # simple, new value
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attrx': 'value1',
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attrx': {
                    'new': 'value1',
                    'old': None,
                },
            },
            changes,
        )
        self.assertEqual('value1', to_update['attrx'])
        self.assertEqual('value1', to_update['attr1'])
# simple value
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr1': 'value2',
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attr1': {
                    'new': 'value2',
                    'old': 'value1',
                },
            },
            changes,
        )
        self.assertEqual('value2', to_update['attr1'])
        self.assertEqual(
            {
                'attr1': 'value2',
                'attr2': [
                    'item1',
                    'item2',
                    'item3',
                ],
                'attr3': [],
                'attr4': {},
                'attr5': {
                    'subattr1': 'value1',
                    'subattr2': [
                        'item1',
                    ],
                },
            },
            to_update,
        )

        # empty list
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr3': [],
            },
            to_update,
            changes,
        )
        self.assertEqual({}, changes)
        self.assertEqual(self.base_config, to_update)

        # list value (add)
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr2': [
                    'item1',
                    'item2',
                    'item3',
                    'item4',
                ],
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attr2[3]': {
                    'new': 'item4',
                    'old': None,
                },
            },
            changes,
        )
        self.assertEqual(
            {
                'attr1': 'value1',
                'attr2': [
                    'item1',
                    'item2',
                    'item3',
                    'item4',
                ],
                'attr3': [],
                'attr4': {},
                'attr5': {
                    'subattr1': 'value1',
                    'subattr2': [
                        'item1',
                    ],
                },
            },
            to_update,
        )

        # list value (remove and modify)
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr2': [
                    'itemx',
                    'item2',
                ],
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attr2[0]': {
                    'new': 'itemx',
                    'old': 'item1',
                },
                'attr2[2]': {
                    'new': None,
                    'old': 'item3',
                },
            },
            changes,
        )
        self.assertEqual(
            {
                'attr1': 'value1',
                'attr2': [
                    'itemx',
                    'item2',
                ],
                'attr3': [],
                'attr4': {},
                'attr5': {
                    'subattr1': 'value1',
                    'subattr2': [
                        'item1',
                    ],
                },
            },
            to_update,
        )

        # empty dict
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr4': {}
            },
            to_update,
            changes,
        )
        self.assertEqual({}, changes)
        self.assertEqual(self.base_config, to_update)

        # dict value (add)
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr5': {
                    'subattr3': 'value1',
                },
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attr5.subattr3': {
                    'new': 'value1',
                    'old': None,
                },
            },
            changes,
        )
        self.assertEqual(
            {
                'attr1': 'value1',
                'attr2': [
                    'item1',
                    'item2',
                    'item3',
                ],
                'attr3': [],
                'attr4': {},
                'attr5': {
                    'subattr1': 'value1',
                    'subattr2': [
                        'item1',
                    ],
                    'subattr3': 'value1',
                },
            },
            to_update,
        )

        # dict value (remove and modify)
        to_update = copy.deepcopy(self.base_config)
        changes = {}
        configcomparer.compare_and_update_config(
            {
                'attr5': {
                    'subattr1': 'value2',
                    'subattr2': [
                        'item1',
                        'item2',
                    ],
                },
            },
            to_update,
            changes,
        )
        self.assertEqual(
            {
                'attr5.subattr1': {
                    'new': 'value2',
                    'old': 'value1',
                },
                'attr5.subattr2[1]': {
                    'new': 'item2',
                    'old': None,
                },
            },
            changes,
        )
        self.assertEqual(
            {
                'attr1': 'value1',
                'attr2': [
                    'item1',
                    'item2',
                    'item3',
                ],
                'attr3': [],
                'attr4': {},
                'attr5': {
                    'subattr1': 'value2',
                    'subattr2': [
                        'item1',
                        'item2',
                    ],
                },
            },
            to_update,
        )