content: /*
   * Copyright 1999-2018 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 InformationFunctionsTest extends TestCase {
      public void test_0() throws Exception {
          String sql = "SELECT BENCHMARK(1000000,ENCODE('hello','goodbye'))";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT BENCHMARK(1000000, ENCODE('hello', 'goodbye'))", text);
      }
  
      public void test_1() throws Exception {
          String sql = "SELECT CHARSET('abc');";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT CHARSET('abc');", text);
      }
  
      public void test_2() throws Exception {
          String sql = "SELECT CHARSET(CONVERT('abc' USING utf8));";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT CHARSET(CONVERT('abc' USING utf8));", text);
      }
  
      public void test_3() throws Exception {
          String sql = "SELECT CHARSET(USER());";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT CHARSET(USER());", text);
      }
  
      public void test_4() throws Exception {
          String sql = "SELECT COERCIBILITY('abc' COLLATE latin1_swedish_ci);";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT COERCIBILITY('abc' COLLATE latin1_swedish_ci);", text);
      }
  
      public void test_5() throws Exception {
          String sql = "SELECT COLLATION('abc');";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT COLLATION('abc');", text);
      }
  
      public void test_6() throws Exception {
          String sql = "SELECT * FROM mysql.user;";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT *\nFROM mysql.user;", text);
      }
  
      public void test_7() throws Exception {
          String sql = "SELECT CURRENT_USER();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT CURRENT_USER();", text);
      }
  
      public void test_8() throws Exception {
          String sql = "SELECT DATABASE();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT DATABASE();", text);
      }
  
      public void test_9() throws Exception {
          String sql = "SELECT SQL_CALC_FOUND_ROWS * FROM tbl_name;";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT SQL_CALC_FOUND_ROWS *\nFROM tbl_name;", text);
      }
  
      public void test_10() throws Exception {
          String sql = "SELECT FOUND_ROWS();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT FOUND_ROWS();", text);
      }
  
      public void test_11() throws Exception {
          String sql = "SELECT LAST_INSERT_ID();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT LAST_INSERT_ID();", text);
      }
  
      public void test_12() throws Exception {
          String sql = "SELECT ROW_COUNT();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT ROW_COUNT();", text);
      }
  
      public void test_13() throws Exception {
          String sql = "SELECT USER();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT USER();", text);
      }
  
      public void test_14() throws Exception {
          String sql = "SELECT VERSION();";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT VERSION();", text);
      }
  
      private String output(List<SQLStatement> stmtList) {
          return SQLUtils.toSQLString(stmtList, JdbcConstants.MYSQL);
      }
  }
  