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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.yahoo.jdisc.Request;
import com.yahoo.jdisc.Response;
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.RequestHandler;
import com.yahoo.jdisc.handler.ResponseHandler;
import com.yahoo.jdisc.test.TestDriver;
import org.junit.jupiter.api.Test;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.concurrent.TimeUnit;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* @author Simon Thoresen Hult
*/
public class ApplicationShutdownTestCase {
@Test
void requireThatStopWaitsForPreviousContainer() throws Exception {
Context ctx = new Context();
MyRequestHandler requestHandler = new MyRequestHandler();
ctx.activateContainer(requestHandler);
ctx.dispatchRequest();
ctx.activateContainer(null);
ctx.driver.scheduleClose();
assertFalse(ctx.driver.awaitClose(100, TimeUnit.MILLISECONDS));
requestHandler.respond();
assertTrue(ctx.driver.awaitClose(600, TimeUnit.SECONDS));
}
@Test
void requireThatStopWaitsForAllPreviousContainers() {
Context ctx = new Context();
MyRequestHandler requestHandlerA = new MyRequestHandler();
ctx.activateContainer(requestHandlerA);
ctx.dispatchRequest();
MyRequestHandler requestHandlerB = new MyRequestHandler();
ctx.activateContainer(requestHandlerB);
ctx.dispatchRequest();
MyRequestHandler requestHandlerC = new MyRequestHandler();
ctx.activateContainer(requestHandlerC);
ctx.dispatchRequest();
ctx.driver.scheduleClose();
assertFalse(ctx.driver.awaitClose(100, TimeUnit.MILLISECONDS));
requestHandlerB.respond();
assertFalse(ctx.driver.awaitClose(100, TimeUnit.MILLISECONDS));
requestHandlerC.respond();
assertFalse(ctx.driver.awaitClose(100, TimeUnit.MILLISECONDS));
requestHandlerA.respond();
assertTrue(ctx.driver.awaitClose(600, TimeUnit.SECONDS));
}
private static class Context {
final TestDriver driver = TestDriver.newSimpleApplicationInstanceWithoutOsgi();
void activateContainer(RequestHandler requestHandler) {
ContainerBuilder builder;
if (requestHandler != null) {
builder = driver.newContainerBuilder();
builder.serverBindings().bind("http://host/path", requestHandler);
} else {
builder = null;
}
driver.activateContainer(builder);
}
void dispatchRequest() {
Request request = new Request(driver, URI.create("http://host/path"));
request.connect(new MyResponseHandler()).close(null);
request.release();
}
}
private static class MyRequestHandler extends AbstractRequestHandler {
ResponseHandler handler = null;
@Override
public ContentChannel handleRequest(Request request, ResponseHandler handler) {
this.handler = handler;
return new MyContent();
}
void respond() {
handler.handleResponse(new Response(Response.Status.OK)).close(null);
}
}
private static class MyResponseHandler implements ResponseHandler {
@Override
public ContentChannel handleResponse(Response response) {
return new MyContent();
}
}
private static class MyContent implements ContentChannel {
@Override
public void write(ByteBuffer buf, CompletionHandler handler) {
handler.completed();
}
@Override
public void close(CompletionHandler handler) {
handler.completed();
}
}
}
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