[英]How to close h2 in-memory database?
如果最后一個連接關閉,內存數據庫將關閉。
問題是如何強制關閉內存手冊?
因為我需要測試連接何時關閉,或者當DataSource不可用時。在生產中,所有這些都會發生,我想模擬測試中的情況。
好的,TCP + MEM + EMBEDED SERVER就是我想要的。
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import org.h2.tools.Server;
import org.junit.Before;
import org.junit.Test;
public class H2ServerDownTest
{
private Server server;
@Before
public void startServer() throws SQLException
{
// TCP server only.
server = Server.createTcpServer("-tcp -webPort 8008 -tcpPort 9008 -properties null".split(" "));
System.out.println("Start Server AT: " + server.getURL());
}
@Test(expected = SQLException.class)
public void test() throws SQLException
{
server.start();
Connection c = getConnection();
Statement stmt = c.createStatement();
stmt.execute("create table test(id int primary key, val varchar(100))");
for (int i = 0; i < 1000; i++)
{
if (i == 500)
{
server.stop();
}
stmt.execute("insert into test values(" + i + ", 'values')");
}
}
public Connection getConnection() throws SQLException
{
return DriverManager.getConnection("jdbc:h2:"+server.getURL()+"/mem:db", "sa", "");
}
@Test
public void shutdownServer()
{
server.shutdown();
}
}
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