/*
* 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 StringComparisonFunctionsTest extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT '?' LIKE 'ae' COLLATE latin1_german2_ci;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT '?' LIKE 'ae' COLLATE latin1_german2_ci;", text);
}
public void test_1() throws Exception {
String sql = "SELECT '?' = 'ae' COLLATE latin1_german2_ci;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT '?' = 'ae' COLLATE latin1_german2_ci;", text);
}
public void test_2() throws Exception {
String sql = "SELECT 'a' = 'a ', 'a' LIKE 'a ';";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'a' = 'a ', 'a' LIKE 'a ';", text);
}
public void test_3() throws Exception {
String sql = "SELECT 'David!' LIKE 'David_';";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'David!' LIKE 'David_';", text);
}
public void test_4() throws Exception {
String sql = "SELECT 'David!' LIKE '%D%v%';";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'David!' LIKE '%D%v%';", text);
}
public void test_5() throws Exception {
String sql = "SELECT 'David!' LIKE 'David\\_';";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'David!' LIKE 'David_';", text);
}
public void test_6() throws Exception {
String sql = "SELECT 'David_' LIKE 'David|_' ESCAPE '|'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'David_' LIKE 'David|_' ESCAPE '|';", text);
}
public void test_7() throws Exception {
String sql = "SELECT 'abc' LIKE BINARY 'ABC'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 'abc' LIKE BINARY 'ABC';", text);
}
public void test_8() throws Exception {
String sql = "SELECT 10 LIKE '1%'";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 10 LIKE '1%';", text);
}
public void test_9() throws Exception {
String sql = "SELECT filename, filename LIKE '%\\\\' FROM t1";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT filename, filename LIKE '%\\'\nFROM t1;", text);
}
public void test_10() throws Exception {
String sql = "SELECT STRCMP('text', 'text2')";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT STRCMP('text', 'text2');", text);
}
public void test_11() throws Exception {
String sql = "SET @s1 = _latin1 'x' COLLATE latin1_general_ci;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SET @s1 = _latin1 'x' COLLATE latin1_general_ci;", text);
}
public void test_12() throws Exception {
String sql = "SET @s2 = _latin1 'X' COLLATE latin1_general_ci;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SET @s2 = _latin1 'X' COLLATE latin1_general_ci;", text);
}
public void test_13() throws Exception {
String sql = "SELECT STRCMP(@s1, @s2), STRCMP(@s3, @s4);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT STRCMP(@s1, @s2), STRCMP(@s3, @s4);", text);
}
public void test_14() throws Exception {
String sql = "SELECT STRCMP(@s1, @s3 COLLATE latin1_general_ci);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT STRCMP(@s1, @s3 COLLATE latin1_general_ci);", 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();
}
}