content: /*
   * 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.sql.mysql;
  
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
  import com.alibaba.druid.sql.parser.SQLStatementParser;
  import com.alibaba.druid.util.JdbcConstants;
  import junit.framework.TestCase;
  
  import java.util.List;
  
  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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          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);
  
          assertEquals("SELECT STRCMP(@s1, @s2)\n" +
                  "\t, 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);
  
          assertEquals("SELECT STRCMP(@s1, @s3 COLLATE latin1_general_ci);", text);
      }
  
      private String output(List<SQLStatement> stmtList) {
          return SQLUtils.toSQLString(stmtList, JdbcConstants.MYSQL);
      }
  }
  