/*
* Copyright 1999-2011 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.sql.mysql;
import java.util.List;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.parser.SQLStatementParser;
public class RegularExpressionsTest extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT 'Monty!' REGEXP '.*'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'Monty!' REGEXP '.*';", text);
}
public void test_1() throws Exception {
String sql = "SELECT 'new*\n*line' REGEXP 'new\\\\*.\\\\*line'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'new*\n*line' REGEXP 'new\\*.\\*line';", text);
}
public void test_2() throws Exception {
String sql = "SELECT 'a' REGEXP 'A', 'a' REGEXP BINARY 'A'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'a' REGEXP 'A', 'a' REGEXP BINARY 'A';", text);
}
public void test_3() throws Exception {
String sql = "SELECT 'a' REGEXP '^[a-d]'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'a' REGEXP '^[a-d]';", text);
}
public void test_4() throws Exception {
String sql = "SELECT 'fo\nfo' REGEXP '^fo$'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'fo\nfo' REGEXP '^fo$';", text);
}
public void test_5() throws Exception {
String sql = "SELECT 'fofo' REGEXP '^fo'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'fofo' REGEXP '^fo';", text);
}
public void test_6() throws Exception {
String sql = "SELECT '~' REGEXP '[[.tilde.]]'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT '~' REGEXP '[[.tilde.]]';", text);
}
private String output(List<SQLStatement> stmtList) {
StringBuilder out = new StringBuilder();
for (SQLStatement stmt : stmtList) {
stmt.accept(new MySqlOutputVisitor(out));
out.append(";");
}
return out.toString();
}
}