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/*
Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package testsuite.fabric.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import testsuite.fabric.BaseFabricTestCase;
import com.mysql.fabric.jdbc.FabricMySQLConnection;
import com.mysql.fabric.jdbc.FabricMySQLDataSource;
public class TestBasicConnection extends BaseFabricTestCase {
public TestBasicConnection() throws Exception {
super();
}
/**
* Test that we can make a connection with a URL, given a server group name
*/
public void testConnectionUrl() throws Exception {
if (!this.isSetForFabricTest) {
return;
}
String url = this.baseJdbcUrl + "&fabricServerGroup=fabric_test1_global";
Connection c = DriverManager.getConnection(url, this.username, this.password);
ResultSet rs = c.createStatement().executeQuery("select user()");
rs.next();
String userFromDb = rs.getString(1).split("@")[0];
assertEquals(this.username, userFromDb);
rs.close();
c.close();
}
/**
* Test that we can connect with the data source, given a server group name
*/
public void testConnectionDataSource() throws Exception {
if (!this.isSetForFabricTest) {
return;
}
FabricMySQLDataSource ds = getNewDefaultDataSource();
ds.setFabricServerGroup("fabric_test1_global");
Connection c = ds.getConnection(this.username, this.password);
// same as above
ResultSet rs = c.createStatement().executeQuery("select user()");
rs.next();
String userFromDb = rs.getString(1).split("@")[0];
assertEquals(this.username, userFromDb);
rs.close();
c.close();
}
/**
* Test that the local cache is refreshed after expired TTL. Bug#21296840 / Bug#17910835. This test connects to the master of "ha_config1_group" and
* requires the master to be changed during the wait period. The Fabric must also be setup to communicate a TTL of less than 10s to the client.
*/
public void manualTestRefreshFabricStateCache() throws Exception {
if (!this.isSetForFabricTest) {
return;
}
FabricMySQLConnection conn = (FabricMySQLConnection) getNewDefaultDataSource().getConnection(this.username, this.password);
conn.setServerGroupName("ha_config1_group");
conn.setReadOnly(false);
conn.setAutoCommit(false);
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("show variables like 'server_uuid'");
rs.next();
String firstServerUuid = rs.getString(2);
rs.close();
conn.commit();
// sleep for TTL+1 secs
int seconds = 10;
System.err.println("Waiting " + seconds + " seconds for new master to be chosen");
Thread.sleep((1 + seconds) * 1000);
// force the LB proxy to pick a new connection
conn.rollback();
// verify change is seen by client
rs = stmt.executeQuery("show variables like 'server_uuid'");
rs.next();
String secondServerUuid = rs.getString(2);
rs.close();
System.err.println("firstServerUuid=" + firstServerUuid + "\nsecondServerUuid=" + secondServerUuid);
if (firstServerUuid.equals(secondServerUuid)) {
fail("Server ID should change to reflect new topology");
}
conn.close();
}
}