package com.alibaba.druid.bvt.filter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.junit.Assert;
import junit.framework.TestCase;
import org.nutz.lang.stream.StringReader;
import com.alibaba.druid.filter.FilterAdapter;
import com.alibaba.druid.filter.FilterChain;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.proxy.jdbc.ResultSetProxy;
import com.alibaba.druid.stat.JdbcSqlStat;
import com.alibaba.druid.util.JdbcUtils;
public class StatFilterOpenReaderCountTest extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:xxx");
dataSource.setFilters("stat");
dataSource.setTestOnBorrow(false);
dataSource.getProxyFilters().add(new FilterAdapter() {
@Override
public java.io.Reader resultSet_getCharacterStream(FilterChain chain, ResultSetProxy result, int columnIndex)
throws SQLException {
return new StringReader("");
}
@Override
public java.io.Reader resultSet_getCharacterStream(FilterChain chain, ResultSetProxy result, String columnLabel)
throws SQLException {
return new StringReader("");
}
});
dataSource.init();
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_stat() throws Exception {
Connection conn = dataSource.getConnection();
String sql = "select 'x'";
PreparedStatement stmt = conn.prepareStatement("select 'x'");
JdbcSqlStat sqlStat = dataSource.getDataSourceStat().getSqlStat(sql);
Assert.assertEquals(0, sqlStat.getReaderOpenCount());
ResultSet rs = stmt.executeQuery();
rs.next();
rs.getCharacterStream(1);
rs.getCharacterStream(2);
rs.close();
stmt.close();
conn.close();
Assert.assertEquals(2, sqlStat.getReaderOpenCount());
sqlStat.reset();
Assert.assertEquals(0, sqlStat.getReaderOpenCount());
}
public void test_stat_1() throws Exception {
Connection conn = dataSource.getConnection();
String sql = "select 'x'";
PreparedStatement stmt = conn.prepareStatement("select 'x'");
JdbcSqlStat sqlStat = dataSource.getDataSourceStat().getSqlStat(sql);
Assert.assertEquals(0, sqlStat.getReaderOpenCount());
ResultSet rs = stmt.executeQuery();
rs.next();
rs.getCharacterStream("1");
rs.getCharacterStream("2");
rs.getCharacterStream("3");
rs.close();
stmt.close();
conn.close();
Assert.assertEquals(3, sqlStat.getReaderOpenCount());
sqlStat.reset();
Assert.assertEquals(0, sqlStat.getReaderOpenCount());
}
}