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/* This file is part of VoltDB.
* Copyright (C) 2008-2010 VoltDB L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb.regressionsuites;
import java.io.IOException;
import java.nio.channels.SocketChannel;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.voltdb.CatalogContext;
import org.voltdb.catalog.Catalog;
import org.voltdb.client.Client;
import org.voltdb.client.ClientFactory;
import org.voltdb.client.ConnectionUtil;
import edu.brown.hstore.HStoreConstants;
import edu.brown.logging.LoggerUtil;
import edu.brown.rand.AbstractRandomGenerator;
import edu.brown.rand.DefaultRandomGenerator;
/**
* Base class for a set of JUnit tests that perform regression tests
* on a running VoltDB server. It is assumed that all tests will access
* a particular VoltDB server to do their work and check the output of
* any procedures called. The main feature of this class is that the
* backend instance of VoltDB is very flexible and the tests can be run
* on multiple instances of VoltDB to test different VoltDB topologies.
*
*/
public class RegressionSuite extends TestCase {
static {
// log4j Hack
LoggerUtil.setupLogging();
}
VoltServerConfig m_config;
protected String m_username = "default";
protected String m_password = "password";
private final ArrayList<Client> m_clients = new ArrayList<Client>();
private final ArrayList<SocketChannel> m_clientChannels = new ArrayList<SocketChannel>();
private final DefaultRandomGenerator random = new DefaultRandomGenerator();
/**
* Trivial constructor that passes parameter on to superclass.
* @param name The name of the method to run as a test. (JUnit magic)
*/
public RegressionSuite(final String name) {
super(name);
}
/**
* JUnit special method called to setup the test. This instance will start
* the VoltDB server using the VoltServerConfig instance provided.
*/
@Override
public void setUp() {
LoggerUtil.setupLogging();
m_config.startUp();
}
/**
* JUnit special method called to shutdown the test. This instance will
* stop the VoltDB server using the VoltServerConfig instance provided.
*/
@Override
public void tearDown() throws InterruptedException {
final List<String> valgrindErrors = m_config.shutDown();
if (valgrindErrors != null) {
String failString = "";
for (final String error : valgrindErrors) {
failString = failString + error;
}
fail(failString);
}
for (final Client c : m_clients) {
c.close();
}
synchronized (m_clientChannels) {
for (final SocketChannel sc : m_clientChannels) {
try {
ConnectionUtil.closeConnection(sc);
} catch (final IOException e) {
e.printStackTrace();
}
}
m_clientChannels.clear();
}
m_clients.clear();
System.gc();
}
/**
* @return Is the underlying instance of VoltDB running HSQL?
*/
public boolean isHSQL() {
return m_config.isHSQL();
}
/**
* @return Is the underlying instance of VoltDB running Valgrind with the IPC client?
*/
public boolean isValgrind() {
return m_config.isValgrind();
}
/**
* @return a reference to the associated VoltServerConfig
*/
public final VoltServerConfig getServerConfig() {
return m_config;
}
/**
* @return The catalog used in the internal cluster configuration
*/
@Deprecated
public final Catalog getCatalog() {
return m_config.getCatalog();
}
public final CatalogContext getCatalogContext() {
return m_config.getCatalogContext();
}
public final AbstractRandomGenerator getRandom() {
return (this.random);
}
/**
* Get a VoltClient instance connected to the server driven by the
* VoltServerConfig instance. Just pick from the list of listeners
* randomly.
*
* @return A VoltClient instance connected to the server driven by the
* VoltServerConfig instance.
*/
public Client getClient() throws IOException {
final List<String> listeners = m_config.getListenerAddresses();
final Random r = new Random();
final String listener = listeners.get(r.nextInt(listeners.size()));
final Client client = ClientFactory.createClient();
client.createConnection(null, listener, HStoreConstants.DEFAULT_PORT, m_username, m_password);
m_clients.add(client);
return client;
}
/**
* Release a client instance and any resources associated with it
*/
public void releaseClient(Client c) throws IOException, InterruptedException {
boolean removed = m_clients.remove(c);
assert(removed);
c.close();
}
/**
* Get a SocketChannel that is an authenticated connection to a server driven by the
* VoltServerConfig instance. Just pick from the list of listeners
* randomly.
*
* @return A SocketChannel that is already authenticated with the server
*/
public SocketChannel getClientChannel() throws IOException {
return getClientChannel(false);
}
public SocketChannel getClientChannel(final boolean noTearDown) throws IOException {
final List<String> listeners = m_config.getListenerAddresses();
final Random r = new Random();
final String listener = listeners.get(r.nextInt(listeners.size()));
final SocketChannel channel = (SocketChannel)
ConnectionUtil.getAuthenticatedConnection(
listener,
m_username, m_password, HStoreConstants.DEFAULT_PORT)[0];
channel.configureBlocking(true);
if (!noTearDown) {
synchronized (m_clientChannels) {
m_clientChannels.add(channel);
}
}
return channel;
}
/**
* Protected method used by MultiConfigSuiteBuilder to set the VoltServerConfig
* instance a particular test will run with.
*
* @param config An instance of VoltServerConfig to run tests with.
*/
void setConfig(final VoltServerConfig config) {
m_config = config;
}
@Override
public String getName() {
// munge the test name with the VoltServerConfig instance name
return super.getName() + "-" + m_config.getName();
}
}