/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.druid.bvt.filter.wall.mysql;

import junit.framework.TestCase;

import org.junit.Assert;

import com.alibaba.druid.wall.WallUtils;

public class MySqlWallPermitFunctionTest extends TestCase {

    public void test_permitTable() throws Exception {
        Assert.assertFalse(WallUtils.isValidateMySql("SELECT *FROM T UNION SELECT User,Password FROM mysql.user"));
        Assert.assertFalse(WallUtils.isValidateMySql("SELECT *FROM T UNION SELECT User,Password FROM `mysql`.`user`"));
        Assert.assertFalse(WallUtils.isValidateMySql("SELECT *FROM T UNION SELECT User,Password FROM \"mysql\".\"user\""));
        Assert.assertFalse(WallUtils.isValidateMySql("SELECT *FROM T UNION SELECT User,Password FROM MYSQL.USER"));
    }

    public void test_permitTable_subquery() throws Exception {
        Assert.assertTrue(WallUtils.isValidateMySql("select * from(SELECT User,Password FROM mysql.user) a"));
        Assert.assertTrue(WallUtils.isValidateMySql("select * from(SELECT User,Password FROM `mysql`.`user`) a"));
        Assert.assertTrue(WallUtils.isValidateMySql("select * from(SELECT User,Password FROM \"mysql\".\"user\") a"));
        Assert.assertTrue(WallUtils.isValidateMySql("select * from(SELECT User,Password FROM MYSQL.USER) a"));
    }

}