def test_present(self):
        name = 'frank_exampledb'

        ret = {'name': name,
               'result': True,
               'comment': '',
               'changes': {}}

        mock = MagicMock(side_effect=[True, False, False, False])
        mock_t = MagicMock(return_value=True)
        mock_str = MagicMock(return_value='salt')
        mock_none = MagicMock(return_value=None)
        with patch.dict(mysql_grants.__salt__, {'mysql.grant_exists': mock,
                                                'mysql.grant_add': mock_t}):
            comt = ('Grant None on None to None@localhost is already present')
            ret.update({'comment': comt})
            self.assertDictEqual(mysql_grants.present(name), ret)

            with patch.object(mysql_grants, '_get_mysql_error', mock_str):
                ret.update({'comment': 'salt', 'result': False})
                self.assertDictEqual(mysql_grants.present(name), ret)

            with patch.object(mysql_grants, '_get_mysql_error', mock_none):
                with patch.dict(mysql_grants.__opts__, {'test': True}):
                    comt = ('MySQL grant frank_exampledb is set to be created')
                    ret.update({'comment': comt, 'result': None})
                    self.assertDictEqual(mysql_grants.present(name), ret)

                with patch.dict(mysql_grants.__opts__, {'test': False}):
                    comt = ('Grant None on None to None@localhost'
                            ' has been added')
                    ret.update({'comment': comt, 'result': True,
                                'changes': {name: 'Present'}})
                    self.assertDictEqual(mysql_grants.present(name), ret)

    # 'absent' function tests: 1
C{_trimFrames} removes traces of C{_runCallbacks} when getting an error
dataset/ETHPy150Open saltstack/salt/tests/unit/states/mysql_grants_test.py/MysqlGrantsTestCase.test_present--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/trial/test/test_reporter.py/TracebackHandlingTests.test_deferred