/*
* 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.WallConfig;
import com.alibaba.druid.wall.WallUtils;
public class MySqlWallTest_union extends TestCase {
public void testUnion() throws Exception {
WallConfig config = new WallConfig();
config.setSelectUnionCheck(true);
Assert.assertTrue(WallUtils.isValidateMySql("select f1, f2 from t where id=1 union select 1, 2", config)); // not end of comment
Assert.assertFalse(WallUtils.isValidateMySql("select f1, f2 from t where id=1 union select 1, 2 --", config));
Assert.assertTrue(WallUtils.isValidateMySql("select f1, f2 from t union select 1, 2", config)); // no where
Assert.assertFalse(WallUtils.isValidateMySql("select f1, f2 from t where id=1 union select null, '1', 2 --", config));
Assert.assertTrue(WallUtils.isValidateMySql("select f1, f2 from t where id=1 union select c1, c2", config)); //union select item is not const
Assert.assertTrue(WallUtils.isValidateMySql("SELECT typeid, typename FROM (SELECT typeid, typename FROM materialtype UNION ALL SELECT ? AS typeid, ? AS typename) a ORDER BY typeid",
config)); // union select item has alias
Assert.assertFalse(WallUtils.isValidateMySql("select f1, f2 from (select 1 as f1, 2 as f2) t union select 'u1', 'u2' --", config)); // from is subQuery
Assert.assertTrue(WallUtils.isValidateMySql("select f1, f2 from t where id=1 union select 'u1' as u1, 'u2' as u2", config)); // union select item has alias
}
}