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.proxy.utils;
  
  import com.alibaba.druid.bvt.proxy.DruidDriverTest.PublicJdbcFilterAdapter;
  import com.alibaba.druid.filter.Filter;
  import com.alibaba.druid.filter.FilterManager;
  import com.alibaba.druid.util.Utils;
  import junit.framework.TestCase;
  
  import java.sql.SQLException;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  /**
   * druidLoader util 测试
   *
   * @author gang.su
   */
  public class DruidLoaderUtilsTest extends TestCase {
      public void testLoadFilter() throws SQLException {
          List<Filter> filters = new ArrayList<Filter>();
          // log4j
          String filterItem = "log4j";
          FilterManager.loadFilter(filters, filterItem);
          Filter filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.logging.Log4jFilter", filterConfig.getClass().getName());
          // stat
          filterItem = "stat";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.stat.StatFilter", filterConfig.getClass().getName());
          // default
          filterItem = "default";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.stat.StatFilter", filterConfig.getClass().getName());
          // counter
          filterItem = "stat";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.stat.StatFilter", filterConfig.getClass().getName());
          // commonLogging
          filterItem = "commonLogging";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.logging.CommonsLogFilter", filterConfig.getClass().getName());
          // encoding
          filterItem = "encoding";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterConfig = filters.get(0);
          assertNotNull(filterConfig);
          assertEquals("com.alibaba.druid.filter.encoding.EncodingConvertFilter",
                  filterConfig.getClass().getName());
          // 判定重复
          filterItem = "stat";
          filters.clear();
          FilterManager.loadFilter(filters, filterItem);
          filterItem = "default";
          FilterManager.loadFilter(filters, filterItem);
          for (Iterator<Filter> iterator = filters.iterator(); iterator.hasNext(); ) {
              Filter filter = (Filter) iterator.next();
              System.out.println(filter.getClass().getName());
          }
          // default
      }
  
      public void twest_loadClass() throws Exception {
          assertEquals(null, Utils.loadClass(null));
          assertEquals(null, Utils.loadClass("xxx"));
          assertEquals(PublicJdbcFilterAdapter.class,
                  Utils.loadClass(PublicJdbcFilterAdapter.class.getName()));
          assertNull(Utils.loadClass(null));
          assertNull(Utils.loadClass(""));
      }
  }
  