/**
   * 配置数据源
   *
   * @param ds
   * @return
   * @throws SQLException
   */
  @Bean(initMethod = "init", destroyMethod = "close")
  public DataSource dataSource(DruidSettings ds) {
    DruidDataSource dataSource = new DruidDataSource();
    dataSource.setUrl(ds.getUrl());
    dataSource.setUsername(ds.getUsername());
    dataSource.setPassword(ds.getPassword());
    dataSource.setInitialSize(ds.getInitialSize());
    dataSource.setMaxActive(ds.getMaxActive());
    dataSource.setMinIdle(ds.getMinIdle());
    dataSource.setMaxWait(ds.getMaxWait());
    dataSource.setValidationQuery(ds.getValidationQuery());
    dataSource.setTimeBetweenEvictionRunsMillis(ds.getTimeBetweenEvictionRunsMillis());
    dataSource.setMinEvictableIdleTimeMillis(ds.getMinEvictableIdleTimeMillis());
    dataSource.setTestWhileIdle(ds.isTestWhileIdle());
    dataSource.setTestOnBorrow(ds.isTestOnBorrow());
    dataSource.setTestOnReturn(ds.isTestOnReturn());
    dataSource.setPoolPreparedStatements(ds.isPoolPreparedStatements());
    dataSource.setMaxOpenPreparedStatements(ds.getMaxOpenPreparedStatements());

    try {
      dataSource.setFilters(ds.getFilters());
    } catch (SQLException e) {
      e.printStackTrace();
      LOGGER.error("init druid source error", e);
    }

    LOGGER.debug("init druid source");
    return dataSource;
  }
  protected void setUp() throws Exception {
    DruidDataSourceStatManager.clear();

    driver = new MockDriver();

    dataSource = new DruidDataSource();
    dataSource.setUrl("jdbc:mock:xxx");
    dataSource.setDriver(driver);
    dataSource.setInitialSize(1);
    dataSource.setMaxActive(2);
    dataSource.setMinIdle(1);
    dataSource.setMinEvictableIdleTimeMillis(300 * 1000); // 300 / 10
    dataSource.setTimeBetweenEvictionRunsMillis(180 * 1000); // 180 / 10
    dataSource.setTestWhileIdle(true);
    dataSource.setTestOnBorrow(true);
    dataSource.setTestOnReturn(true);
    dataSource.setValidationQuery("SELECT 1");
    dataSource.setFilters("stat");

    JdbcStatContext context = new JdbcStatContext();
    context.setTraceEnable(true);
    JdbcStatManager.getInstance().setStatContext(context);
  }