/*
* Copyright 1999-2011 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.pool;
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 com.alibaba.druid.mock.MockConnection;
import com.alibaba.druid.mock.MockDriver;
import com.alibaba.druid.mock.MockPreparedStatement;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.util.JdbcUtils;
public class TestGetUpdateCount extends TestCase {
private DruidDataSource dataSource;
private MockDriver driver;
protected void setUp() throws Exception {
driver = new MockDriver() {
@Override
public MockPreparedStatement createMockPreparedStatement(MockConnection conn, String sql) {
return new MyPreparedStatement(conn, sql);
}
};
// /////////////////////////////
dataSource = new DruidDataSource();
dataSource.setDriver(driver);
dataSource.setUrl("jdbc:mock:xx");
dataSource.setFilters("stat");
dataSource.setMaxOpenPreparedStatements(30);
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_executeQuery() throws Exception {
Connection conn = dataSource.getConnection();
PreparedStatement stmt = conn.prepareStatement("select ?");
MyPreparedStatement myStmt = stmt.unwrap(MyPreparedStatement.class);
Assert.assertNull(myStmt.updateCount);
stmt.setString(1, "xxx");
ResultSet rs = stmt.executeQuery();
Assert.assertEquals(-1, myStmt.updateCount.intValue());
rs.close();
stmt.close();
conn.close();
}
public void test_execute() throws Exception {
Connection conn = dataSource.getConnection();
PreparedStatement stmt = conn.prepareStatement("update t set id = ?");
MyPreparedStatement myStmt = stmt.unwrap(MyPreparedStatement.class);
Assert.assertNull(myStmt.updateCount);
stmt.setString(1, "xxx");
stmt.execute();
Assert.assertNotNull(myStmt.updateCount);
Assert.assertEquals(1, stmt.getUpdateCount());
stmt.close();
conn.close();
}
public void test_execute_multi() throws Exception {
MyPreparedStatement myStmtA = null;
MyPreparedStatement myStmtB = null;
{
Connection conn = dataSource.getConnection();
PreparedStatement stmt = conn.prepareStatement("update t set id = ?");
myStmtA = stmt.unwrap(MyPreparedStatement.class);
Assert.assertNull(myStmtA.updateCount);
stmt.setString(1, "xxx");
stmt.execute();
Assert.assertNotNull(myStmtA.updateCount);
Assert.assertEquals(1, stmt.getUpdateCount());
stmt.close();
conn.close();
}
{
Connection conn = dataSource.getConnection();
PreparedStatement stmt = conn.prepareStatement("update t set id = ?");
myStmtB = stmt.unwrap(MyPreparedStatement.class);
Assert.assertSame(myStmtA, myStmtB);
Assert.assertNotNull(myStmtB.updateCount);
stmt.setString(1, "xxx");
stmt.execute();
Assert.assertNotNull(myStmtB.updateCount);
Assert.assertEquals(1, stmt.getUpdateCount());
stmt.close();
conn.close();
}
}
public static class MyPreparedStatement extends MockPreparedStatement {
Integer updateCount = null;
public MyPreparedStatement(MockConnection conn, String sql){
super(conn, sql);
}
public boolean execute() throws SQLException {
updateCount = null;
return false;
}
public ResultSet executeQuery() throws SQLException {
updateCount = -1;
return super.executeQuery();
}
@Override
public int getUpdateCount() throws SQLException {
if (updateCount != null) {
throw new SQLException("illegal state");
}
updateCount = 1;
return updateCount;
}
}
}