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.filter;
  
  import com.alibaba.druid.filter.encoding.EncodingConvertFilter;
  import com.alibaba.druid.mock.MockDriver;
  import com.alibaba.druid.mock.MockPreparedStatement;
  import com.alibaba.druid.mock.MockResultSet;
  import com.alibaba.druid.mock.MockStatementBase;
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.pool.DruidPooledConnection;
  import com.alibaba.druid.proxy.jdbc.ConnectionProxy;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.sql.Statement;
  
  public class EncodingConvertFilterTest extends TestCase {
      private DruidDataSource dataSource;
  
      private static String CLIENT_ENCODING = "UTF-8";
      private static String SERVER_ENCODING = "ISO-8859-1";
  
      private static String text = "中华人民共和国";
  
      protected void setUp() throws Exception {
          dataSource = new DruidDataSource();
  
          dataSource.setUrl("jdbc:mock:xxx");
          dataSource.setFilters("encoding");
  
          dataSource.setDriver(new MockDriver() {
              public ResultSet createResultSet(MockPreparedStatement stmt) {
                  return new MyResultSet(stmt);
              }
  
              public ResultSet executeQuery(MockStatementBase stmt, String sql) throws SQLException {
                  return new MyResultSet(stmt);
              }
          });
  
          dataSource.getConnectProperties().put("clientEncoding", CLIENT_ENCODING);
          dataSource.getConnectProperties().put("serverEncoding", SERVER_ENCODING);
  
          dataSource.init();
      }
  
      protected void tearDown() throws Exception {
          JdbcUtils.close(dataSource);
      }
  
      public void test_stat() throws Exception {
          assertTrue(dataSource.isInited());
  
          EncodingConvertFilter filter = (EncodingConvertFilter) dataSource.getProxyFilters().get(0);
  
          DruidPooledConnection conn = dataSource.getConnection();
  
          final String PARAM_VALUE = "中国";
          PreparedStatement stmt = conn.prepareStatement("select ?");
          stmt.setString(1, PARAM_VALUE);
  
          MockPreparedStatement raw = stmt.unwrap(MockPreparedStatement.class);
  
          String param1 = (String) raw.getParameters().get(0);
  
          assertEquals(PARAM_VALUE, new String(param1.getBytes(SERVER_ENCODING), CLIENT_ENCODING));
          assertFalse(param1.equals(PARAM_VALUE));
  
          ResultSet rs = stmt.executeQuery();
  
          MyResultSet rawRs = rs.unwrap(MyResultSet.class);
          rawRs.setValue(filter.encode((ConnectionProxy) conn.getConnection(), text));
  
          rs.next();
  
          assertEquals(text, rs.getString(1));
  
          rs.close();
          stmt.close();
  
          conn.close();
      }
  
      public static class MyResultSet extends MockResultSet {
          private String value;
  
          public MyResultSet(Statement statement) {
              super(statement);
          }
  
          public String getObject(int index) throws SQLException {
              return getString(index);
          }
  
          public String getString(int columnIndex) throws SQLException {
              return value;
          }
  
          public String getValue() {
              return value;
          }
  
          public void setValue(String value) {
              this.value = value;
          }
  
      }
  }
  