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

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

# Import Salt Libs
import salt.modules.data as data


@skipIf(NO_MOCK, NO_MOCK_REASON)
class DataTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.modules.data
    '''
    def setup_loader_modules(self):
        return {data: {}}

    # 'clear' function tests: 1

    def test_clear(self):
        '''
        Test if it clear out all of the data in the minion datastore
        '''
        with patch('os.remove', MagicMock(return_value='')):
            with patch.dict(data.__opts__, {'cachedir': ''}):
                self.assertTrue(data.clear())

    # 'load' function tests: 1

    def test_load(self):
        '''
        Test if it return all of the data in the minion datastore
        '''
        with patch('salt.payload.Serial.load', MagicMock(return_value=True)):
            mocked_fopen = MagicMock(return_value=True)
            mocked_fopen.__enter__ = MagicMock(return_value=mocked_fopen)
            mocked_fopen.__exit__ = MagicMock()
            with patch('salt.utils.fopen', MagicMock(return_value=mocked_fopen)):
                with patch('salt.payload.Serial.loads', MagicMock(return_value=True)):
                    with patch.dict(data.__opts__, {'cachedir': '/'}):
                        self.assertTrue(data.load())

    # 'dump' function tests: 3

    def test_dump(self):
        '''
        Test if it replace the entire datastore with a passed data structure
        '''
        with patch.dict(data.__opts__, {'cachedir': '/'}):
            with patch('salt.utils.fopen', mock_open()):
                self.assertTrue(data.dump('{"eggs": "spam"}'))

    def test_dump_isinstance(self):
        '''
        Test if it replace the entire datastore with a passed data structure
        '''
        with patch('ast.literal_eval', MagicMock(return_value='')):
            self.assertFalse(data.dump('salt'))

    def test_dump_ioerror(self):
        '''
        Test if it replace the entire datastore with a passed data structure
        '''
        with patch.dict(data.__opts__, {'cachedir': '/'}):
            mock = MagicMock(side_effect=IOError(''))
            with patch('salt.utils.fopen', mock):
                self.assertFalse(data.dump('{"eggs": "spam"}'))

    # 'update' function tests: 1

    def test_update(self):
        '''
        Test if it update a key with a value in the minion datastore
        '''
        with patch('salt.modules.data.load', MagicMock(return_value={})), \
                patch('salt.modules.data.dump', MagicMock(return_value=True)):
            self.assertTrue(data.update('foo', 'salt'))

    # 'get' function tests: 2

    def test_get(self):
        '''
        Test if it gets a value from the minion datastore
        '''
        with patch('salt.modules.data.load', MagicMock(return_value={'salt': 'SALT'})):
            self.assertEqual(data.get('salt'), 'SALT')

    def test_get_vals(self):
        '''
        Test if it gets values from the minion datastore
        '''
        with patch('salt.modules.data.load',
                   MagicMock(return_value={'salt': 'SALT', 'salt1': 'SALT1'})):
            self.assertEqual(data.get(['salt', 'salt1']), ['SALT', 'SALT1'])

    # 'cas' function tests: 1

    def test_cas_not_load(self):
        '''
        Test if it check and set a value in the minion datastore
        '''
        with patch('salt.modules.data.load',
                   MagicMock(return_value={'salt': 'SALT', 'salt1': 'SALT1'})):
            self.assertFalse(data.cas('salt3', 'SALT', 'SALTSTACK'))

    def test_cas_not_equal(self):
        '''
        Test if it check and set a value in the minion datastore
        '''
        with patch('salt.modules.data.load',
                   MagicMock(return_value={'salt': 'SALT', 'salt1': 'SALT1'})):
            self.assertFalse(data.cas('salt', 'SALT', 'SALTSTACK'))

    def test_cas(self):
        '''
        Test if it check and set a value in the minion datastore
        '''
        with patch('salt.modules.data.load',
                   MagicMock(return_value={'salt': 'SALT', 'salt1': 'SALT1'})), \
                           patch('salt.modules.data.dump',
                                 MagicMock(return_value=True)):
            self.assertTrue(data.cas('salt', 'SALTSTACK', 'SALT'))