content: package com.alibaba.druid.bvt.sql.mysql.param;
  
  import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
  import com.alibaba.druid.sql.visitor.VisitorFeature;
  import com.alibaba.druid.util.JdbcConstants;
  import com.alibaba.fastjson2.JSON;
  import junit.framework.TestCase;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created by wenshao on 16/9/23.
   */
  public class MySqlParameterizedOutputVisitorTest_63 extends TestCase {
      public void test_for_parameterize() throws Exception {
          String sql = "select * from abc where id in (null)";
  
          List<Object> params = new ArrayList<Object>();
          String psql = ParameterizedOutputVisitorUtils.parameterize(sql, JdbcConstants.MYSQL, params, VisitorFeature.OutputParameterizedUnMergeShardingTable);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (?)", psql);
          assertEquals(1, params.size());
          assertEquals("null", JSON.toJSONString(params.get(0)));
  
          String rsql = ParameterizedOutputVisitorUtils.restore(sql, JdbcConstants.MYSQL, params);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (NULL)", rsql);
      }
  
      public void test_for_parameterize_1() throws Exception {
          String sql = "select * from abc where id in (1)";
  
          List<Object> params = new ArrayList<Object>();
          String psql = ParameterizedOutputVisitorUtils.parameterize(sql, JdbcConstants.MYSQL, params, VisitorFeature.OutputParameterizedUnMergeShardingTable);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (?)", psql);
          assertEquals(1, params.size());
          assertEquals("1", JSON.toJSONString(params.get(0)));
  
          String rsql = ParameterizedOutputVisitorUtils.restore(sql, JdbcConstants.MYSQL, params);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (1)", rsql);
      }
  
      public void test_for_parameterize_2() throws Exception {
          String sql = "select * from abc where id in (null, null)";
  
          List<Object> params = new ArrayList<Object>();
          String psql = ParameterizedOutputVisitorUtils.parameterize(sql, JdbcConstants.MYSQL, params, VisitorFeature.OutputParameterizedUnMergeShardingTable);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (?)", psql);
          assertEquals(2, params.size());
          assertEquals("null", JSON.toJSONString(params.get(0)));
          assertEquals("null", JSON.toJSONString(params.get(1)));
  
          String rsql = ParameterizedOutputVisitorUtils.restore(sql, JdbcConstants.MYSQL, params);
          assertEquals("SELECT *\n" +
                  "FROM abc\n" +
                  "WHERE id IN (NULL, NULL)", rsql);
      }
  }
  