/* * 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 } }