StatFilterExecErrorTest.java

package com.alibaba.druid.bvt.filter;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import junit.framework.TestCase;

import org.junit.Assert;

import com.alibaba.druid.filter.FilterAdapter;
import com.alibaba.druid.filter.FilterChain;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.proxy.jdbc.PreparedStatementProxy;
import com.alibaba.druid.proxy.jdbc.ResultSetProxy;
import com.alibaba.druid.proxy.jdbc.StatementProxy;
import com.alibaba.druid.stat.JdbcSqlStat;
import com.alibaba.druid.util.JdbcUtils;

public class StatFilterExecErrorTest 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 ResultSetProxy statement_executeQuery(FilterChain chain, StatementProxy statement, String sql)
                                                                                                                 throws SQLException {
                throw new SQLException();
            }

            @Override
            public ResultSetProxy preparedStatement_executeQuery(FilterChain chain, PreparedStatementProxy statement)
                                                                                                                     throws SQLException {
                throw new SQLException();
            }
        });

        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.getReadStringLength());

        try {
            stmt.executeQuery();
        } catch (SQLException eror) {

        } finally {
            JdbcUtils.close(stmt);
            JdbcUtils.close(conn);
        }

        Assert.assertEquals(1, sqlStat.getErrorCount());
        Assert.assertEquals(0, sqlStat.getRunningCount());

        sqlStat.reset();
    }

}