package org.jentrata.testsuite;
import org.apache.felix.service.command.CommandProcessor;
import org.apache.felix.service.command.CommandSession;
import org.apache.karaf.features.Feature;
import org.apache.karaf.features.FeaturesService;
import org.apache.karaf.tooling.exam.options.LogLevelOption;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.TestProbeBuilder;
import org.ops4j.pax.exam.junit.Configuration;
import org.ops4j.pax.exam.junit.ProbeBuilder;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.Filter;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceReference;
import org.osgi.util.tracker.ServiceTracker;
import javax.inject.Inject;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import static org.apache.karaf.tooling.exam.options.KarafDistributionOption.*;
import static org.junit.Assert.fail;
import static org.ops4j.pax.exam.CoreOptions.maven;
/**
* Base Jentrata Integration Test Class
*
*
*
* @author aaronwalker
*/
@SuppressWarnings("unchecked")
public class JentrataTestSupport {
static final Long COMMAND_TIMEOUT = 10000L;
static final Long SERVICE_TIMEOUT = 30000L;
ExecutorService executor = Executors.newCachedThreadPool();
@Inject
protected BundleContext bundleContext;
@Inject
protected FeaturesService featuresService;
@ProbeBuilder
public TestProbeBuilder probeConfiguration(TestProbeBuilder probe) {
probe.setHeader(Constants.DYNAMICIMPORT_PACKAGE, "*,org.apache.felix.service.*;status=provisional");
return probe;
}
@Configuration
public Option[] config() {
return new Option[]{ karafDistributionConfiguration().frameworkUrl(
maven().groupId("org.jentrata").artifactId("jentrata-assembly").type("tar.gz").versionAsInProject())
.karafVersion("2.3.1").name("Apache Karaf").unpackDirectory(new File("target/exam")),
keepRuntimeFolder(),
logLevel(LogLevelOption.LogLevel.INFO)
};
}
/**
* Executes a shell command and returns output as a String.
* Commands have a default timeout of 10 seconds.
*
* @param command
* @return
*/
protected String executeCommand(final String command) {
return executeCommand(command, COMMAND_TIMEOUT, false);
}
/**
* Executes a shell command and returns output as a String.
* Commands have a default timeout of 10 seconds.
*
* @param command The command to execute.
* @param timeout The amount of time in millis to wait for the command to execute.
* @param silent Specifies if the command should be displayed in the screen.
* @return
*/
protected String executeCommand(final String command, final Long timeout, final Boolean silent) {
String response;
final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
final PrintStream printStream = new PrintStream(byteArrayOutputStream);
final CommandProcessor commandProcessor = getOsgiService(CommandProcessor.class);
final CommandSession commandSession = commandProcessor.createSession(System.in, printStream, System.err);
FutureTask<String> commandFuture = new FutureTask<String>(
new Callable<String>() {
public String call() {
try {
if (!silent) {
System.err.println(command);
}
commandSession.execute(command);
} catch (Exception e) {
e.printStackTrace(System.err);
}
printStream.flush();
return byteArrayOutputStream.toString();
}
});
try {
executor.submit(commandFuture);
response = commandFuture.get(timeout, TimeUnit.MILLISECONDS);
} catch (Exception e) {
e.printStackTrace(System.err);
response = "SHELL COMMAND TIMED OUT: ";
}
return response;
}
protected <T> T getOsgiService(Class<T> type, long timeout) {
return getOsgiService(type, null, timeout);
}
protected <T> T getOsgiService(Class<T> type) {
return getOsgiService(type, null, SERVICE_TIMEOUT);
}
protected <T> T getOsgiService(Class<T> type, String filter, long timeout) {
ServiceTracker tracker = null;
try {
String flt;
if (filter != null) {
if (filter.startsWith("(")) {
flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")" + filter + ")";
} else {
flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")(" + filter + "))";
}
} else {
flt = "(" + Constants.OBJECTCLASS + "=" + type.getName() + ")";
}
Filter osgiFilter = FrameworkUtil.createFilter(flt);
tracker = new ServiceTracker(bundleContext, osgiFilter, null);
tracker.open(true);
// Note that the tracker is not closed to keep the reference
// This is buggy, as the service reference may change i think
Object svc = type.cast(tracker.waitForService(timeout));
if (svc == null) {
Dictionary dic = bundleContext.getBundle().getHeaders();
System.err.println("Test bundle headers: " + explode(dic));
for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {
System.err.println("ServiceReference: " + ref);
}
for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, flt))) {
System.err.println("Filtered ServiceReference: " + ref);
}
throw new RuntimeException("Gave up waiting for service " + flt);
}
return type.cast(svc);
} catch (InvalidSyntaxException e) {
throw new IllegalArgumentException("Invalid filter", e);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
/*
* Explode the dictionary into a ,-delimited list of key=value pairs
*/
private static String explode(Dictionary dictionary) {
Enumeration keys = dictionary.keys();
StringBuffer result = new StringBuffer();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
result.append(String.format("%s=%s", key, dictionary.get(key)));
if (keys.hasMoreElements()) {
result.append(", ");
}
}
return result.toString();
}
/**
* Provides an iterable collection of references, even if the original array is null
*/
private static Collection<ServiceReference> asCollection(ServiceReference[] references) {
return references != null ? Arrays.asList(references) : Collections.<ServiceReference>emptyList();
}
public JMXConnector getJMXConnector() throws Exception {
JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:1099/karaf-root");
Hashtable env = new Hashtable();
String[] credentials = new String[]{"karaf", "karaf"};
env.put("jmx.remote.credentials", credentials);
JMXConnector connector = JMXConnectorFactory.connect(url, env);
return connector;
}
public void assertFeatureInstalled(String featureName) {
Feature[] features = featuresService.listInstalledFeatures();
for (Feature feature : features) {
if (featureName.equals(feature.getName())) {
return;
}
}
fail("Feature " + featureName + " should be installed but is not");
}
}