DistributedMasterBuilderTest.java from cruisecontrol at Krugle
Show DistributedMasterBuilderTest.java syntax highlighted
package net.sourceforge.cruisecontrol.builders;
import junit.framework.TestCase;
import junit.framework.Test;
import junit.framework.TestSuite;
import junit.extensions.TestSetup;
import java.util.Properties;
import java.util.Arrays;
import java.util.Map;
import java.util.HashMap;
import java.io.File;
import java.io.IOException;
import java.io.EOFException;
import java.net.URL;
import java.net.InetAddress;
import java.net.ConnectException;
import java.net.SocketException;
import java.net.MalformedURLException;
import org.apache.log4j.Logger;
import org.apache.log4j.Level;
import net.sourceforge.cruisecontrol.util.Commandline;
import net.sourceforge.cruisecontrol.util.Util;
import net.sourceforge.cruisecontrol.util.StreamPumper;
import net.sourceforge.cruisecontrol.util.OSEnvironment;
import net.sourceforge.cruisecontrol.util.StreamConsumer;
import net.sourceforge.cruisecontrol.distributed.BuildAgent;
import net.sourceforge.cruisecontrol.distributed.BuildAgentService;
import net.sourceforge.cruisecontrol.distributed.BuildAgentServiceImplTest;
import net.sourceforge.cruisecontrol.distributed.BuildAgentTest;
import net.sourceforge.cruisecontrol.distributed.core.ReggieUtil;
import net.sourceforge.cruisecontrol.distributed.core.MulticastDiscovery;
import net.sourceforge.cruisecontrol.distributed.core.MulticastDiscoveryTest;
import net.sourceforge.cruisecontrol.distributed.core.PropertiesHelper;
import net.sourceforge.cruisecontrol.MockProject;
import net.sourceforge.cruisecontrol.Progress;
import net.sourceforge.cruisecontrol.ProjectConfig;
import net.sourceforge.cruisecontrol.labelincrementers.DefaultLabelIncrementer;
import net.jini.core.lookup.ServiceRegistrar;
import net.jini.core.lookup.ServiceID;
import net.jini.core.discovery.LookupLocator;
import net.jini.config.ConfigurationProvider;
import net.jini.config.Configuration;
import net.jini.config.ConfigurationException;
import net.jini.discovery.DiscoveryListener;
import net.jini.discovery.DiscoveryEvent;
import net.jini.lookup.ServiceIDListener;
/**
* @author Dan Rollo
* Date: May 6, 2005
* Time: 2:34:24 PM
*/
public class DistributedMasterBuilderTest extends TestCase {
private static final Logger LOG = Logger.getLogger(DistributedMasterBuilderTest.class);
private static final String INSECURE_POLICY_FILENAME = "insecure.policy";
private static Properties origSysProps;
private static final String CONFIG_START_JINI = "conf/start-jini.config";
public static final String JINI_URL_LOCALHOST;
static {
final Configuration config;
String hostname;
try {
config = ConfigurationProvider.getInstance(new String[] {CONFIG_START_JINI});
hostname = (String) config.getEntry("com.sun.jini.start", "hostname", String.class);
} catch (ConfigurationException e) {
throw new RuntimeException("Error loading jini config: " + CONFIG_START_JINI, e);
}
if (hostname != null) {
JINI_URL_LOCALHOST = "jini://" + hostname;
} else {
JINI_URL_LOCALHOST = "jini://localhost";
}
LOG.info("Using local Jini URL: " + JINI_URL_LOCALHOST);
}
private static final OSEnvironment OS_ENV = new OSEnvironment();
private static ProcessInfoPump jiniProcessPump;
/** Common error message if multicast is being blocked. */
private static final String MSG_DISOCVERY_CHECK_FIREWALL =
"1. Make sure MULTICAST is enabled on your network devices (ifconfig -a).\n"
+ "2. No Firewall is blocking multicasts.\n"
+ "3. Using an IDE? See @todo in setUp/tearDown (LUS normally started by LUSTestSetup decorator).\n";
public static final String MSG_PREFIX_STATS = "STATS: ";
private static String getTestDMBEntries() {
final Map userProps
= PropertiesHelper.loadRequiredProperties(BuildAgentServiceImplTest.TEST_USER_DEFINED_PROPERTIES_FILE);
final Object retval = userProps.get(BuildAgentServiceImplTest.ENTRY_NAME_BUILD_TYPE);
assertNotNull("Missing required entry for DMB unit test: " + BuildAgentServiceImplTest.ENTRY_NAME_BUILD_TYPE,
retval);
assertTrue(retval instanceof String);
return BuildAgentServiceImplTest.ENTRY_NAME_BUILD_TYPE + "=" + retval;
}
/**
* Show what's happening with the Jini Process.
*/
private static final class PrefixedStreamConsumer implements StreamConsumer {
private final String prefix;
private final Logger logger;
private final Level level;
PrefixedStreamConsumer(final String prefix, final Logger logger, final Level level) {
this.prefix = prefix;
this.logger = logger;
this.level = level;
}
/** {@inheritDoc} */
public void consumeLine(String line) {
logger.log(level, prefix + line);
}
}
/**
* @return the Process in which Jini Lookup _service is running, for use in killing it.
* @throws Exception if we can't start jini lookup service
*/
public static ProcessInfoPump startJini() throws Exception {
final long begin = System.currentTimeMillis();
final Logger logger = LOG;
final Level level = Level.INFO;
// make sure local lookup service is not already running
verifyNoLocalLookupService();
origSysProps = System.getProperties();
// Build Lookup Service command line just like the one in lookup-build.xml
// <java jar="jini-lib/start.jar" fork="true" >
// <jvmarg value="-Djava.security.policy=conf/${jini.policy.file}" />
// <jvmarg value="-Djini.lib=jini-lib" />
// <jvmarg value="-Djini.lib.dl=jini-lib-dl" />
// <jvmarg value="-Djini.httpPort=${jini.port}" />
// <arg value="conf/${jini.config}"/>
final String jiniLibDir = "jini-lib";
final String[] args = new String[] {
"-Djava.security.policy=conf/insecure.policy", //${jini.policy.file}
"-Djini.lib=" + jiniLibDir,
"-Djini.lib.dl=jini-lib-dl", //Downloadable Jini jars
"-Djini.httpPort=8050", //${jini.port}"
};
final Commandline cmdLine = new Commandline();
cmdLine.addArguments(args);
Commandline.Argument argClasspath = cmdLine.createArgument();
argClasspath.setLine("-classpath " + "conf");
Commandline.Argument argStart = cmdLine.createArgument();
argStart.setLine("-jar " + jiniLibDir + "/start.jar");
Commandline.Argument argProg = cmdLine.createArgument();
argProg.setValue(CONFIG_START_JINI); // ${jini.config}
cmdLine.setExecutable(getJavaExec());
LOG.debug("jini startup command: " + Arrays.asList(cmdLine.getCommandline()));
final Process newJiniProcess = Runtime.getRuntime().exec(cmdLine.getCommandline());
newJiniProcess.getOutputStream().close();
final ProcessInfoPump jiniProcessInfoPump = new ProcessInfoPump(newJiniProcess,
// show what's happening with the jiniProcessPump
new StreamPumper(newJiniProcess.getErrorStream(),
new PrefixedStreamConsumer("[JiniErr] ", logger, level)),
new StreamPumper(newJiniProcess.getInputStream(),
new PrefixedStreamConsumer("[JiniOut] ", logger, level)),
logger, level);
Thread.sleep(2000); // allow LUS some spin up time, first time is longest (~3.5 secs)
// Verify the Lookup Service started
// setup security policy
setupInsecurePolicy();
// The startup time for the first LUS appears to be much longer than subsequent startups...
ServiceRegistrar serviceRegistrar = findTestLookupService(50 * 1000);
try {
assertNotNull("Failed to start local lookup _service.", serviceRegistrar);
} finally {
if (serviceRegistrar == null) {
// kill service in case it is just really slow to start, to help avoid orphaned LUS processes
killJini(jiniProcessInfoPump);
}
}
assertEquals("Unexpected local lookup _service host",
InetAddress.getLocalHost().getCanonicalHostName(),
serviceRegistrar.getLocator().getHost());
LOG.info(MSG_PREFIX_STATS + "Jini Startup took: " + (System.currentTimeMillis() - begin) / 1000f + " sec");
return jiniProcessInfoPump;
}
/**
* Setup an insecure policy file for use during unit tests that require Jini.
*/
public static void setupInsecurePolicy() {
URL policyFile = ClassLoader.getSystemClassLoader().getResource(INSECURE_POLICY_FILENAME);
assertNotNull("Can't load policy file resource: " + INSECURE_POLICY_FILENAME
+ ". Make sure this file is in the classes (bin) directory.",
policyFile);
System.setProperty(BuildAgent.JAVA_SECURITY_POLICY, policyFile.toExternalForm());
ReggieUtil.setupRMISecurityManager();
}
private static String javaExecutable;
private static String getJavaExec() {
if (javaExecutable == null) {
final String javaExecFilename;
if (Util.isWindows()) {
javaExecFilename = "java.exe";
} else {
javaExecFilename = "java";
}
// use javaHome env var to find java
if (getJavaHome() != null) {
javaExecutable = getJavaHome() + File.separator + "bin" + File.separator + javaExecFilename;
} else {
final String msg
= "Unit Test couldn't find JAVA_HOME env var. Maybe java/bin is in the path? Here goes...";
System.out.println(msg);
LOG.warn(msg);
javaExecutable = javaExecFilename;
}
}
return javaExecutable;
}
private static String javaHome;
private static String getJavaHome() {
if (javaHome == null) {
String envJavaHome = OS_ENV.getVariable("JAVA_HOME");
if (envJavaHome != null) {
javaHome = envJavaHome;
} else {
// try system prop for java.home
javaHome = System.getProperty("java.home");
}
}
return javaHome;
}
public static ServiceRegistrar findTestLookupService(int retryTimeoutMillis)
throws IOException, ClassNotFoundException, InterruptedException {
// find/wait for lookup _service
final long startTime = System.currentTimeMillis();
ServiceRegistrar serviceRegistrar = null;
final LookupLocator lookup = new LookupLocator(JINI_URL_LOCALHOST);
// making this polling loop pause too short actually slows the unit tests down
final int sleepMillisAfterException = 250;
while (serviceRegistrar == null
&& (System.currentTimeMillis() - startTime < retryTimeoutMillis)) {
try {
serviceRegistrar = lookup.getRegistrar();
} catch (ConnectException e) {
Thread.sleep(sleepMillisAfterException);
} catch (SocketException e) {
Thread.sleep(sleepMillisAfterException);
} catch (EOFException e) {
Thread.sleep(sleepMillisAfterException);
}
// more exceptions will likely need to added here as the Jini libraries are updated.
// could catch a generic super class, but I kinda like to know what's being thrown.
}
LOG.info(MSG_PREFIX_STATS + "Find Test LUS took: "
+ (System.currentTimeMillis() - startTime) / 1000f + " sec; Timeout: " + retryTimeoutMillis
+ "; Found: " + (serviceRegistrar != null));
return serviceRegistrar;
}
public static void killJini(final ProcessInfoPump jiniProcessPump) throws Exception {
if (jiniProcessPump != null) {
final long begin = System.currentTimeMillis();
jiniProcessPump.kill();
LOG.debug("Jini process killed.");
verifyNoLocalLookupService();
LOG.info(MSG_PREFIX_STATS + "Jini Shutdown took: " + (System.currentTimeMillis() - begin) / 1000f + " sec");
}
// restore original system properties
System.setProperties(origSysProps);
}
private static void verifyNoLocalLookupService() throws IOException, ClassNotFoundException, InterruptedException {
final String msgLUSFoundCheckForOrphanedProc
= "Found local lookup service, but it should be dead. Is an orphaned java process still running?";
final ServiceRegistrar serviceRegistrar;
try {
serviceRegistrar = findTestLookupService(1000);
} catch (ClassNotFoundException e) {
assertFalse(msgLUSFoundCheckForOrphanedProc,
"com.sun.jini.reggie.ConstrainableRegistrarProxy".equals(e.getMessage()));
throw e;
}
assertNull(msgLUSFoundCheckForOrphanedProc, serviceRegistrar);
}
/**
* Holds a executing process and it's associated stream pump threads.
*/
public static final class ProcessInfoPump {
private final Process process;
private final Thread inputPumpThread;
private final Thread errorPumpThread;
private final Logger logger;
private final Level level;
public ProcessInfoPump(final Process process, final StreamPumper inputPump, final StreamPumper errorPump,
final Logger logger, final Level level) {
this.process = process;
this.logger = logger;
this.level = level;
errorPumpThread = new Thread(errorPump);
inputPumpThread = new Thread(inputPump);
errorPumpThread.start();
inputPumpThread.start();
}
public void kill() throws IOException, InterruptedException {
process.destroy();
logger.log(level, "Process destroyed.");
// wait for stream pumps to end
if (errorPumpThread != null) {
errorPumpThread.join();
}
if (inputPumpThread != null) {
inputPumpThread.join();
}
process.getInputStream().close();
process.getErrorStream().close();
process.getOutputStream().close();
logger.log(level, "Process pumps finished.");
}
}
/**
* Test Decorator to launch Jini LUS once for this class.
*/
public static final class LUSTestSetup extends TestSetup {
public LUSTestSetup(Test test) {
super(test);
}
protected void setUp() throws Exception {
jiniProcessPump = DistributedMasterBuilderTest.startJini();
}
protected void tearDown() throws Exception {
DistributedMasterBuilderTest.killJini(jiniProcessPump);
}
}
/**
* Use LUSTestSetup decorator to run Jini LUS once for this test class.
* @return a TestSuite wrapper by the LUSTestSetup decorator
*/
public static Test suite() {
final TestSuite ts = new TestSuite();
ts.addTestSuite(DistributedMasterBuilderTest.class);
return new LUSTestSetup(ts);
}
// @todo Add one slash in front of "/*" below to run individual tests in an IDE
/*
protected void setUp() throws Exception {
jiniProcessPump = DistributedMasterBuilderTest.startJini();
}
protected void tearDown() throws Exception {
DistributedMasterBuilderTest.killJini(jiniProcessPump);
}
//*/
public void testRemoteProgress() throws Exception {
// register agent
final BuildAgent agentAvailable = createBuildAgent();
try {
final DistributedMasterBuilder masterBuilder = getMasterBuilder_LocalhostONLY();
final MockBuilder mockBuilder = new MockBuilder();
masterBuilder.add(mockBuilder);
masterBuilder.validate();
final Map projectProperties = new HashMap();
projectProperties.put(PropertiesHelper.PROJECT_NAME, "testProjectName");
final MockProject mockProject = new MockProject();
final Progress progress = mockProject.getProgress();
final ProjectConfig projectConfig = new ProjectConfig();
projectConfig.add(new DefaultLabelIncrementer());
mockProject.setProjectConfig(projectConfig);
masterBuilder.build(projectProperties, progress);
final BuildAgentService agentService = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find released agent.\n" + MSG_DISOCVERY_CHECK_FIREWALL, agentService);
assertTrue("Claimed agent should show as busy. (Did we find a better way?)",
agentService.isBusy());
assertTrue("Wrong progress value: " + progress.getValue(),
progress.getValue().indexOf(" retrieving results from ") == 8);
} finally {
// terminate JoinManager in BuildAgent
agentAvailable.terminate();
}
}
public void testPickAgent2Agents() throws Exception {
// register agent
final BuildAgent agentAvailable = createBuildAgent();
final BuildAgent agentAvailable2 = createBuildAgent();
try {
assertFalse(agentAvailable.getService().isBusy());
assertFalse(agentAvailable2.getService().isBusy());
final DistributedMasterBuilder masterBuilder = getMasterBuilder_LocalhostONLY();
// try to find agents
final BuildAgentService agentFoundFirst = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find first agent.\n" + MSG_DISOCVERY_CHECK_FIREWALL, agentFoundFirst);
assertTrue(agentFoundFirst.isBusy());
final BuildAgentService agentFoundSecond = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find second agent", agentFoundSecond);
assertTrue(agentFoundFirst.isBusy());
assertTrue(agentFoundSecond.isBusy());
assertNull("Shouldn't find third agent", masterBuilder.pickAgent(null, null));
// set Agent to Not busy, then make sure it can be found again.
// callTestDoBuildSuccess() only needed to clearOuputFiles() will succeed
assertNotNull(BuildAgentServiceImplTest.callTestDoBuildSuccess(agentAvailable.getService()));
agentAvailable.getService().clearOutputFiles();
final BuildAgentService agentRefound = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find released agent", agentRefound);
assertTrue("Claimed agent should show as busy. (Did we find a better way?)",
agentRefound.isBusy());
} finally {
// terminate JoinManager in BuildAgent
agentAvailable.terminate();
agentAvailable2.terminate();
}
}
public void testPickAgentAfterReleased() throws Exception {
// register agent
final BuildAgent agentAvailable = createBuildAgent();
try {
assertFalse(agentAvailable.getService().isBusy());
agentAvailable.getService().claim(); // mark as busy
final DistributedMasterBuilder masterBuilder = getMasterBuilder_LocalhostONLY();
// try to find agent, shouldn't find any available
assertNull("Shouldn't find any available agents", masterBuilder.pickAgent(null, null));
// set Agent to Not busy, then make sure it can be found again.
// callTestDoBuildSuccess() only needed to clearOuputFiles() will succeed
assertNotNull(BuildAgentServiceImplTest.callTestDoBuildSuccess(agentAvailable.getService()));
agentAvailable.getService().clearOutputFiles();
final BuildAgentService agentRefound = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find released agent.\n" + MSG_DISOCVERY_CHECK_FIREWALL, agentRefound);
assertTrue("Claimed agent should show as busy. (Did we find a better way?)",
agentRefound.isBusy());
} finally {
// terminate JoinManager in BuildAgent
agentAvailable.terminate();
}
}
public void testPickAgentAgentNotBusy() throws Exception {
// register agent
final BuildAgent agentAvailable = createBuildAgent();
try {
assertFalse(agentAvailable.getService().isBusy());
final DistributedMasterBuilder masterBuilder = getMasterBuilder_LocalhostONLY();
final BuildAgentService agent = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find agent.\n" + MSG_DISOCVERY_CHECK_FIREWALL, agent);
assertTrue("Claimed agent should show as busy. (Did we find a better way?)",
agent.isBusy());
// try to find agent, shouldn't find any available
assertNull("Shouldn't find any available agents", masterBuilder.pickAgent(null, null));
// set Agent to Not busy, then make sure it can be found again.
// only needed so clearOuputFiles() will succeed
assertNotNull(BuildAgentServiceImplTest.callTestDoBuildSuccess(agent));
agent.clearOutputFiles();
final BuildAgentService agentRefound = masterBuilder.pickAgent(null, null);
assertNotNull("Couldn't find released agent", agentRefound);
assertTrue("Claimed agent should show as busy. (Did we find a better way?)",
agentRefound.isBusy());
} finally {
// terminate JoinManager in BuildAgent
agentAvailable.terminate();
}
}
public void testPickAgentNoAgents() throws Exception {
DistributedMasterBuilder masterBuilder = getMasterBuilder_LocalhostONLY();
assertNull("Shouldn't find any available agents", masterBuilder.pickAgent(null, null));
}
public static BuildAgent createBuildAgent() throws InterruptedException {
final long begin = System.currentTimeMillis();
BuildAgentTest.setSkipMainSystemExit();
BuildAgentTest.setTerminateFast();
final BuildAgent agent = new BuildAgent(
BuildAgentServiceImplTest.TEST_AGENT_PROPERTIES_FILE,
BuildAgentServiceImplTest.TEST_USER_DEFINED_PROPERTIES_FILE, true);
// wait for agent to discover LUS
final ServiceIDListener serviceIDListener = new ServiceIDListener() {
public void serviceIDNotify(ServiceID serviceID) {
synchronized (agent) {
agent.notifyAll();
}
}
};
BuildAgentTest.addServiceIDListener(agent, serviceIDListener);
try {
synchronized (agent) {
if (!BuildAgentTest.isServiceIDAssigned(agent)) {
agent.wait(30 * 1000);
}
}
} finally {
BuildAgentTest.removeServiceIDListener(agent, serviceIDListener);
}
assertTrue("Unit test Agent was not discovered before timeout. elapsed: "
+ (System.currentTimeMillis() - begin) / 1000f + " sec \n"
+ MSG_DISOCVERY_CHECK_FIREWALL,
BuildAgentTest.isServiceIDAssigned(agent));
LOG.info(MSG_PREFIX_STATS + "Unit test Agent discovery took: "
+ (System.currentTimeMillis() - begin) / 1000f + " sec");
return agent;
}
static DistributedMasterBuilder getMasterBuilder_LocalhostONLY()
throws MalformedURLException, InterruptedException {
if (!MulticastDiscoveryTest.isDiscoverySet()) {
final long begin = System.currentTimeMillis();
final MulticastDiscovery discovery = MulticastDiscoveryTest.getLocalDiscovery();
MulticastDiscoveryTest.setDiscovery(discovery);
// wait to discover lookupservice
final DiscoveryListener discoveryListener = new DiscoveryListener() {
public void discovered(DiscoveryEvent e) {
synchronized (discovery) {
discovery.notifyAll();
}
}
public void discarded(DiscoveryEvent e) {
synchronized (discovery) {
discovery.notifyAll();
}
}
};
MulticastDiscoveryTest.addDiscoveryListener(discoveryListener);
try {
synchronized (discovery) {
if (!MulticastDiscoveryTest.isDiscovered()) {
discovery.wait(10 * 1000);
}
}
} finally {
MulticastDiscoveryTest.removeDiscoveryListener(discoveryListener);
}
assertTrue("MulticastDiscovery was not discovered before timeout.\n" + MSG_DISOCVERY_CHECK_FIREWALL,
MulticastDiscoveryTest.isDiscovered());
LOG.info(MSG_PREFIX_STATS + "Unit test MulticastDiscovery took: "
+ (System.currentTimeMillis() - begin) / 1000f + " sec");
}
final DistributedMasterBuilder masterBuilder = new DistributedMasterBuilder();
// need to set Entries to prevent finding non-local LUS and/or non-local Build Agents
masterBuilder.setEntries(getTestDMBEntries());
masterBuilder.setFailFast(); // don't block until an available agent is found
return masterBuilder;
}
}
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