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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.core;
import com.google.inject.AbstractModule;
import com.google.inject.ConfigurationException;
import com.google.inject.Module;
import com.yahoo.jdisc.Request;
import com.yahoo.jdisc.Response;
import com.yahoo.jdisc.application.Application;
import com.yahoo.jdisc.application.ApplicationNotReadyException;
import com.yahoo.jdisc.application.ContainerBuilder;
import com.yahoo.jdisc.handler.AbstractRequestHandler;
import com.yahoo.jdisc.handler.CompletionHandler;
import com.yahoo.jdisc.handler.ContentChannel;
import com.yahoo.jdisc.handler.ResponseHandler;
import com.yahoo.jdisc.service.CurrentContainer;
import com.yahoo.jdisc.test.NonWorkingOsgiFramework;
import com.yahoo.jdisc.test.TestDriver;
import org.junit.jupiter.api.Test;
import org.osgi.framework.BundleContext;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Collections;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author Simon Thoresen Hult
*/
public class ApplicationLoaderTestCase {
@Test
void requireThatStartFailsWithoutApplication() throws Exception {
ApplicationLoader loader = new ApplicationLoader(new NonWorkingOsgiFramework(),
Collections.<Module>emptyList());
try {
loader.init(null, false);
loader.start();
fail();
} catch (ConfigurationException e) {
}
}
@Test
void requireThatStopDoesNotFailWithoutStart() throws Exception {
ApplicationLoader loader = new ApplicationLoader(new NonWorkingOsgiFramework(),
Collections.<Module>emptyList());
loader.stop();
loader.destroy();
}
@Test
void requireThatDestroyDoesNotFailWithActiveContainer() throws Exception {
TestDriver driver = TestDriver.newSimpleApplicationInstanceWithoutOsgi();
assertNull(driver.activateContainer(driver.newContainerBuilder()));
assertTrue(driver.close());
}
@Test
void requireThatApplicationStartExceptionUnsetsAndDestroysApplication() throws Exception {
MyApplication app = MyApplication.newStartException();
ApplicationLoader loader = new ApplicationLoader(new NonWorkingOsgiFramework(),
Arrays.asList(new MyApplicationModule(app)));
loader.init(null, false);
try {
loader.start();
fail();
} catch (MyException e) {
}
assertNull(loader.application());
assertFalse(app.stop.await(100, TimeUnit.MILLISECONDS));
assertTrue(app.destroy.await(600, TimeUnit.SECONDS));
try {
loader.activateContainer(loader.newContainerBuilder());
fail();
} catch (ApplicationNotReadyException e) {
}
loader.stop();
loader.destroy();
}
@Test
void requireThatApplicationStopExceptionDestroysApplication() throws Exception {
MyApplication app = MyApplication.newStopException();
ApplicationLoader loader = new ApplicationLoader(new NonWorkingOsgiFramework(),
Arrays.asList(new MyApplicationModule(app)));
loader.init(null, false);
loader.start();
try {
loader.stop();
} catch (MyException e) {
}
assertTrue(app.destroy.await(600, TimeUnit.SECONDS));
loader.destroy();
}
@Test
void requireThatApplicationDestroyIsCalledAfterContainerTermination() throws InterruptedException {
MyApplication app = MyApplication.newInstance();
TestDriver driver = TestDriver.newInjectedApplicationInstance(app);
ContainerBuilder builder = driver.newContainerBuilder();
MyRequestHandler requestHandler = new MyRequestHandler();
builder.serverBindings().bind("scheme://host/path", requestHandler);
driver.activateContainer(builder);
driver.dispatchRequest("scheme://host/path", new MyResponseHandler());
driver.scheduleClose();
assertFalse(app.destroy.await(100, TimeUnit.MILLISECONDS));
requestHandler.responseHandler.handleResponse(new Response(Response.Status.OK)).close(null);
assertTrue(app.destroy.await(600, TimeUnit.SECONDS));
}
@Test
void requireThatContainerActivatorReturnsPrev() throws Exception {
TestDriver driver = TestDriver.newInjectedApplicationInstance(MyApplication.newInstance());
assertNull(driver.activateContainer(driver.newContainerBuilder()));
assertNotNull(driver.activateContainer(null));
assertTrue(driver.close());
}
@Test
void requireThatOsgiServicesAreRegistered() {
TestDriver driver = TestDriver.newSimpleApplicationInstance();
BundleContext ctx = driver.osgiFramework().bundleContext();
Object service = ctx.getService(ctx.getServiceReference(CurrentContainer.class.getName()));
assertTrue(service instanceof CurrentContainer);
assertTrue(driver.close());
}
@Test
void requireThatThreadFactoryCanBeBound() {
final ThreadFactory factory = Executors.defaultThreadFactory();
TestDriver driver = TestDriver.newSimpleApplicationInstanceWithoutOsgi(new AbstractModule() {
@Override
protected void configure() {
bind(ThreadFactory.class).toInstance(factory);
}
});
ContainerBuilder builder = driver.newContainerBuilder();
assertSame(factory, builder.getInstance(ThreadFactory.class));
assertTrue(driver.close());
}
private static class MyApplicationModule extends AbstractModule {
final Application application;
public MyApplicationModule(Application application) {
this.application = application;
}
@Override
protected void configure() {
bind(Application.class).toInstance(application);
}
}
private static class MyApplication implements Application {
final CountDownLatch start = new CountDownLatch(1);
final CountDownLatch stop = new CountDownLatch(1);
final CountDownLatch destroy = new CountDownLatch(1);
final boolean startException;
final boolean stopException;
MyApplication(boolean startException, boolean stopException) {
this.startException = startException;
this.stopException = stopException;
}
@Override
public void start() {
start.countDown();
if (startException) {
throw new MyException();
}
}
@Override
public void stop() {
stop.countDown();
if (stopException) {
throw new MyException();
}
}
@Override
public void destroy() {
destroy.countDown();
}
public static MyApplication newInstance() {
return new MyApplication(false, false);
}
public static MyApplication newStartException() {
return new MyApplication(true, false);
}
public static MyApplication newStopException() {
return new MyApplication(false, true);
}
}
private static class MyRequestHandler extends AbstractRequestHandler {
ResponseHandler responseHandler;
@Override
public ContentChannel handleRequest(Request request, ResponseHandler handler) {
responseHandler = handler;
return new MyContentChannel();
}
}
private static class MyResponseHandler implements ResponseHandler {
@Override
public ContentChannel handleResponse(Response response) {
return new MyContentChannel();
}
}
private static class MyContentChannel implements ContentChannel {
@Override
public void write(ByteBuffer buf, CompletionHandler handler) {
if (handler != null) {
handler.completed();
}
}
@Override
public void close(CompletionHandler handler) {
if (handler != null) {
handler.completed();
}
}
}
private static class MyException extends RuntimeException {
}
}
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