--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/ThrowingPublishers.java Tue Feb 27 15:55:24 2018 +0000
@@ -0,0 +1,608 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Tests what happens when request publishers
+ * throw unexpected exceptions.
+ * @library /lib/testlibrary http2/server
+ * @build jdk.testlibrary.SimpleSSLContext HttpServerAdapters ThrowingPublishers
+ * @modules java.base/sun.net.www.http
+ * java.net.http/jdk.internal.net.http.common
+ * java.net.http/jdk.internal.net.http.frame
+ * java.net.http/jdk.internal.net.http.hpack
+ * @run testng/othervm -Djdk.internal.httpclient.debug=true ThrowingPublishers
+ */
+
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsServer;
+import jdk.testlibrary.SimpleSSLContext;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.AfterTest;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import javax.net.ssl.SSLContext;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.UncheckedIOException;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpHeaders;
+import java.net.http.HttpRequest;
+import java.net.http.HttpRequest.BodyPublisher;
+import java.net.http.HttpRequest.BodyPublishers;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandler;
+import java.net.http.HttpResponse.BodyHandlers;
+import java.net.http.HttpResponse.BodySubscriber;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Flow;
+import java.util.concurrent.SubmissionPublisher;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.lang.String.format;
+import static java.lang.System.out;
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+
+public class ThrowingPublishers implements HttpServerAdapters {
+
+ SSLContext sslContext;
+ HttpTestServer httpTestServer; // HTTP/1.1 [ 4 servers ]
+ HttpTestServer httpsTestServer; // HTTPS/1.1
+ HttpTestServer http2TestServer; // HTTP/2 ( h2c )
+ HttpTestServer https2TestServer; // HTTP/2 ( h2 )
+ String httpURI_fixed;
+ String httpURI_chunk;
+ String httpsURI_fixed;
+ String httpsURI_chunk;
+ String http2URI_fixed;
+ String http2URI_chunk;
+ String https2URI_fixed;
+ String https2URI_chunk;
+
+ static final int ITERATION_COUNT = 1;
+ // a shared executor helps reduce the amount of threads created by the test
+ static final Executor executor = new TestExecutor(Executors.newCachedThreadPool());
+ static final ConcurrentMap<String, Throwable> FAILURES = new ConcurrentHashMap<>();
+ static volatile boolean tasksFailed;
+ static final AtomicLong serverCount = new AtomicLong();
+ static final AtomicLong clientCount = new AtomicLong();
+ static final long start = System.nanoTime();
+ public static String now() {
+ long now = System.nanoTime() - start;
+ long secs = now / 1000_000_000;
+ long mill = (now % 1000_000_000) / 1000_000;
+ long nan = now % 1000_000;
+ return String.format("[%d s, %d ms, %d ns] ", secs, mill, nan);
+ }
+
+ private volatile HttpClient sharedClient;
+
+ static class TestExecutor implements Executor {
+ final AtomicLong tasks = new AtomicLong();
+ Executor executor;
+ TestExecutor(Executor executor) {
+ this.executor = executor;
+ }
+
+ @Override
+ public void execute(Runnable command) {
+ long id = tasks.incrementAndGet();
+ executor.execute(() -> {
+ try {
+ command.run();
+ } catch (Throwable t) {
+ tasksFailed = true;
+ System.out.printf(now() + "Task %s failed: %s%n", id, t);
+ System.err.printf(now() + "Task %s failed: %s%n", id, t);
+ FAILURES.putIfAbsent("Task " + id, t);
+ throw t;
+ }
+ });
+ }
+ }
+
+ @AfterClass
+ static final void printFailedTests() {
+ out.println("\n=========================");
+ try {
+ out.printf("%n%sCreated %d servers and %d clients%n",
+ now(), serverCount.get(), clientCount.get());
+ if (FAILURES.isEmpty()) return;
+ out.println("Failed tests: ");
+ FAILURES.entrySet().forEach((e) -> {
+ out.printf("\t%s: %s%n", e.getKey(), e.getValue());
+ e.getValue().printStackTrace();
+ });
+ if (tasksFailed) {
+ System.out.println("WARNING: Some tasks failed");
+ }
+ } finally {
+ out.println("\n=========================\n");
+ }
+ }
+
+ private String[] uris() {
+ return new String[] {
+ httpURI_fixed,
+ httpURI_chunk,
+ httpsURI_fixed,
+ httpsURI_chunk,
+ http2URI_fixed,
+ http2URI_chunk,
+ https2URI_fixed,
+ https2URI_chunk,
+ };
+ }
+
+ @DataProvider(name = "noThrows")
+ public Object[][] noThrows() {
+ String[] uris = uris();
+ Object[][] result = new Object[uris.length * 2][];
+ //Object[][] result = new Object[uris.length][];
+ int i = 0;
+ for (boolean sameClient : List.of(false, true)) {
+ //if (!sameClient) continue;
+ for (String uri: uris()) {
+ result[i++] = new Object[] {uri, sameClient};
+ }
+ }
+ assert i == uris.length * 2;
+ // assert i == uris.length ;
+ return result;
+ }
+
+ @DataProvider(name = "variants")
+ public Object[][] variants() {
+ String[] uris = uris();
+ Object[][] result = new Object[uris.length * 2 * 2][];
+ //Object[][] result = new Object[(uris.length/2) * 2 * 2][];
+ int i = 0;
+ for (Thrower thrower : List.of(
+ new UncheckedIOExceptionThrower(),
+ new UncheckedCustomExceptionThrower())) {
+ for (boolean sameClient : List.of(false, true)) {
+ for (String uri : uris()) {
+ // if (uri.contains("http2") || uri.contains("https2")) continue;
+ // if (!sameClient) continue;
+ result[i++] = new Object[]{uri, sameClient, thrower};
+ }
+ }
+ }
+ assert i == uris.length * 2 * 2;
+ //assert Stream.of(result).filter(o -> o != null).count() == result.length;
+ return result;
+ }
+
+ private HttpClient makeNewClient() {
+ clientCount.incrementAndGet();
+ return HttpClient.newBuilder()
+ .executor(executor)
+ .sslContext(sslContext)
+ .build();
+ }
+
+ HttpClient newHttpClient(boolean share) {
+ if (!share) return makeNewClient();
+ HttpClient shared = sharedClient;
+ if (shared != null) return shared;
+ synchronized (this) {
+ shared = sharedClient;
+ if (shared == null) {
+ shared = sharedClient = makeNewClient();
+ }
+ return shared;
+ }
+ }
+
+ final String BODY = "Some string | that ? can | be split ? several | ways.";
+
+ @Test(dataProvider = "noThrows")
+ public void testNoThrows(String uri, boolean sameClient)
+ throws Exception {
+ HttpClient client = null;
+ out.printf("%n%s testNoThrows(%s, %b)%n", now(), uri, sameClient);
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient(sameClient);
+
+ SubmissionPublisher<ByteBuffer> publisher
+ = new SubmissionPublisher<>(executor,10);
+ ThrowingBodyPublisher bodyPublisher = new ThrowingBodyPublisher((w) -> {},
+ BodyPublishers.fromPublisher(publisher));
+ CompletableFuture<Void> subscribedCF = bodyPublisher.subscribedCF();
+ subscribedCF.whenComplete((r,t) -> System.out.println(now() + " subscribe completed " + t))
+ .thenAcceptAsync((v) -> {
+ Stream.of(BODY.split("\\|"))
+ .forEachOrdered(s -> {
+ System.out.println("submitting \"" + s +"\"");
+ publisher.submit(ByteBuffer.wrap(s.getBytes(StandardCharsets.UTF_8)));
+ });
+ System.out.println("publishing done");
+ publisher.close();
+ },
+// Stream.of(BODY.split("\\|"))
+// .onClose(() -> {System.out.println("publishing done"); publisher.close();})
+// .forEachOrdered(s -> { System.out.println("submitting \"" + s +"\""); publisher
+// .submit(ByteBuffer.wrap(s.getBytes(StandardCharsets.UTF_8)));}),
+ executor);
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
+ .POST(bodyPublisher)
+ .build();
+ BodyHandler<String> handler = BodyHandlers.ofString();
+ CompletableFuture<HttpResponse<String>> response = client.sendAsync(req, handler);
+
+ String body = response.join().body();
+ assertEquals(body, Stream.of(BODY.split("\\|")).collect(Collectors.joining()));
+ }
+ }
+
+ // @Test(dataProvider = "variants")
+ public void testThrowingAsString(String uri,
+ boolean sameClient,
+ Thrower thrower)
+ throws Exception
+ {
+ String test = format("testThrowingAsString(%s, %b, %s)",
+ uri, sameClient, thrower);
+ testThrowing(test, uri, sameClient, () -> BodyPublishers.ofString(BODY),
+ this::shouldHaveThrown, thrower,false);
+ }
+
+ private <T,U> void testThrowing(String name, String uri, boolean sameClient,
+ Supplier<BodyPublisher> publishers,
+ Finisher finisher, Thrower thrower, boolean async)
+ throws Exception
+ {
+ out.printf("%n%s%s%n", now(), name);
+ try {
+ testThrowing(uri, sameClient, publishers, finisher, thrower, async);
+ } catch (Error | Exception x) {
+ FAILURES.putIfAbsent(name, x);
+ throw x;
+ }
+ }
+
+ private void testThrowing(String uri, boolean sameClient,
+ Supplier<BodyPublisher> publishers,
+ Finisher finisher, Thrower thrower,
+ boolean async)
+ throws Exception
+ {
+ HttpClient client = null;
+ for (Where where : Where.values()) {
+ //if (where == Where.ON_SUBSCRIBE) continue;
+ //if (where == Where.ON_ERROR) continue;
+ if (!sameClient || client == null)
+ client = newHttpClient(sameClient);
+
+ ThrowingBodyPublisher bodyPublisher =
+ new ThrowingBodyPublisher(where.select(thrower), publishers.get());
+ HttpRequest req = HttpRequest.
+ newBuilder(URI.create(uri))
+ .POST(bodyPublisher)
+ .build();
+ BodyHandler<String> handler = BodyHandlers.ofString();
+ System.out.println("try throwing in " + where);
+ HttpResponse<String> response = null;
+ if (async) {
+ try {
+ response = client.sendAsync(req, handler).join();
+ } catch (Error | Exception x) {
+ Throwable cause = findCause(x, thrower);
+ if (cause == null) throw x;
+ System.out.println(now() + "Got expected exception: " + cause);
+ }
+ } else {
+ try {
+ response = client.send(req, handler);
+ } catch (Error | Exception t) {
+ if (thrower.test(t)) {
+ System.out.println(now() + "Got expected exception: " + t);
+ } else throw t;
+ }
+ }
+ if (response != null) {
+ finisher.finish(where, response, thrower);
+ }
+ }
+ }
+
+ enum Where {
+ BEFORE_SUBSCRIBE, BEFORE_REQUEST, BEFORE_CANCEL,
+ AFTER_SUBSCRIBE, AFTER_REQUEST, AFTER_CANCEL;
+ public Consumer<Where> select(Consumer<Where> consumer) {
+ return new Consumer<Where>() {
+ @Override
+ public void accept(Where where) {
+ if (Where.this == where) {
+ consumer.accept(where);
+ }
+ }
+ };
+ }
+ }
+
+ interface Thrower extends Consumer<Where>, Predicate<Throwable> {
+
+ }
+
+ interface Finisher<T,U> {
+ U finish(Where w, HttpResponse<T> resp, Thrower thrower) throws IOException;
+ }
+
+ final <T,U> U shouldHaveThrown(Where w, HttpResponse<T> resp, Thrower thrower) {
+ throw new RuntimeException("Expected exception not thrown in " + w);
+ }
+
+
+ private static Throwable findCause(Throwable x,
+ Predicate<Throwable> filter) {
+ while (x != null && !filter.test(x)) x = x.getCause();
+ return x;
+ }
+
+ static final class UncheckedCustomExceptionThrower implements Thrower {
+ @Override
+ public void accept(Where where) {
+ out.println(now() + "Throwing in " + where);
+ throw new UncheckedCustomException(where.name());
+ }
+
+ @Override
+ public boolean test(Throwable throwable) {
+ return UncheckedCustomException.class.isInstance(throwable);
+ }
+
+ @Override
+ public String toString() {
+ return "UncheckedCustomExceptionThrower";
+ }
+ }
+
+ static final class UncheckedIOExceptionThrower implements Thrower {
+ @Override
+ public void accept(Where where) {
+ out.println(now() + "Throwing in " + where);
+ throw new UncheckedIOException(new CustomIOException(where.name()));
+ }
+
+ @Override
+ public boolean test(Throwable throwable) {
+ return UncheckedIOException.class.isInstance(throwable)
+ && CustomIOException.class.isInstance(throwable.getCause());
+ }
+
+ @Override
+ public String toString() {
+ return "UncheckedIOExceptionThrower";
+ }
+ }
+
+ static final class UncheckedCustomException extends RuntimeException {
+ UncheckedCustomException(String message) {
+ super(message);
+ }
+ UncheckedCustomException(String message, Throwable cause) {
+ super(message, cause);
+ }
+ }
+
+ static final class CustomIOException extends IOException {
+ CustomIOException(String message) {
+ super(message);
+ }
+ CustomIOException(String message, Throwable cause) {
+ super(message, cause);
+ }
+ }
+
+
+ static final class ThrowingBodyPublisher implements BodyPublisher {
+ private final BodyPublisher publisher;
+ private final CompletableFuture<Void> subscribedCF = new CompletableFuture<>();
+ final Consumer<Where> throwing;
+ ThrowingBodyPublisher(Consumer<Where> throwing, BodyPublisher publisher) {
+ this.throwing = throwing;
+ this.publisher = publisher;
+ }
+
+ @Override
+ public long contentLength() {
+ return publisher.contentLength();
+ }
+
+ @Override
+ public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
+ try {
+ throwing.accept(Where.BEFORE_SUBSCRIBE);
+ publisher.subscribe(subscriber);
+ subscribedCF.complete(null);
+ throwing.accept(Where.AFTER_SUBSCRIBE);
+ } catch (Throwable t) {
+ subscribedCF.completeExceptionally(t);
+ }
+ }
+
+ CompletableFuture<Void> subscribedCF() {
+ return subscribedCF;
+ }
+
+ class SubscriptionWrapper implements Flow.Subscription {
+ final Flow.Subscription subscription;
+ SubscriptionWrapper(Flow.Subscription subscription) {
+ this.subscription = subscription;
+ }
+ @Override
+ public void request(long n) {
+ throwing.accept(Where.BEFORE_REQUEST);
+ subscription.request(n);
+ throwing.accept(Where.AFTER_REQUEST);
+ }
+
+ @Override
+ public void cancel() {
+ throwing.accept(Where.BEFORE_CANCEL);
+ subscription.cancel();
+ throwing.accept(Where.AFTER_CANCEL);
+ }
+ }
+
+ class SubscriberWrapper implements Flow.Subscriber<ByteBuffer> {
+ final Flow.Subscriber<? super ByteBuffer> subscriber;
+ SubscriberWrapper(Flow.Subscriber<? super ByteBuffer> subscriber) {
+ this.subscriber = subscriber;
+ }
+ @Override
+ public void onSubscribe(Flow.Subscription subscription) {
+ subscriber.onSubscribe(new SubscriptionWrapper(subscription));
+ }
+ @Override
+ public void onNext(ByteBuffer item) {
+ subscriber.onNext(item);
+ }
+ @Override
+ public void onComplete() {
+ subscriber.onComplete();
+ }
+
+ @Override
+ public void onError(Throwable throwable) {
+ subscriber.onError(throwable);
+ }
+ }
+ }
+
+
+ @BeforeTest
+ public void setup() throws Exception {
+ sslContext = new SimpleSSLContext().get();
+ if (sslContext == null)
+ throw new AssertionError("Unexpected null sslContext");
+
+ // HTTP/1.1
+ HttpTestHandler h1_fixedLengthHandler = new HTTP_FixedLengthHandler();
+ HttpTestHandler h1_chunkHandler = new HTTP_ChunkedHandler();
+ InetSocketAddress sa = new InetSocketAddress(0);
+ httpTestServer = HttpTestServer.of(HttpServer.create(sa, 0));
+ httpTestServer.addHandler(h1_fixedLengthHandler, "/http1/fixed");
+ httpTestServer.addHandler(h1_chunkHandler, "/http1/chunk");
+ httpURI_fixed = "http://127.0.0.1:" + httpTestServer.getAddress().getPort() + "/http1/fixed/x";
+ httpURI_chunk = "http://127.0.0.1:" + httpTestServer.getAddress().getPort() + "/http1/chunk/x";
+
+ HttpsServer httpsServer = HttpsServer.create(sa, 0);
+ httpsServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
+ httpsTestServer = HttpTestServer.of(httpsServer);
+ httpsTestServer.addHandler(h1_fixedLengthHandler, "/https1/fixed");
+ httpsTestServer.addHandler(h1_chunkHandler, "/https1/chunk");
+ httpsURI_fixed = "https://127.0.0.1:" + httpsTestServer.getAddress().getPort() + "/https1/fixed/x";
+ httpsURI_chunk = "https://127.0.0.1:" + httpsTestServer.getAddress().getPort() + "/https1/chunk/x";
+
+ // HTTP/2
+ HttpTestHandler h2_fixedLengthHandler = new HTTP_FixedLengthHandler();
+ HttpTestHandler h2_chunkedHandler = new HTTP_ChunkedHandler();
+
+ http2TestServer = HttpTestServer.of(new Http2TestServer("127.0.0.1", false, 0));
+ http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
+ http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
+ int port = http2TestServer.getAddress().getPort();
+ http2URI_fixed = "http://127.0.0.1:" + port + "/http2/fixed/x";
+ http2URI_chunk = "http://127.0.0.1:" + port + "/http2/chunk/x";
+
+ https2TestServer = HttpTestServer.of(new Http2TestServer("127.0.0.1", true, 0));
+ https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
+ https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
+ port = https2TestServer.getAddress().getPort();
+ https2URI_fixed = "https://127.0.0.1:" + port + "/https2/fixed/x";
+ https2URI_chunk = "https://127.0.0.1:" + port + "/https2/chunk/x";
+
+ serverCount.addAndGet(4);
+ httpTestServer.start();
+ httpsTestServer.start();
+ http2TestServer.start();
+ https2TestServer.start();
+ }
+
+ @AfterTest
+ public void teardown() throws Exception {
+ sharedClient = null;
+ httpTestServer.stop();
+ httpsTestServer.stop();
+ http2TestServer.stop();
+ https2TestServer.stop();
+ }
+
+ static class HTTP_FixedLengthHandler implements HttpTestHandler {
+ @Override
+ public void handle(HttpTestExchange t) throws IOException {
+ out.println("HTTP_FixedLengthHandler received request to " + t.getRequestURI());
+ byte[] resp;
+ try (InputStream is = t.getRequestBody()) {
+ resp = is.readAllBytes();
+ }
+ t.sendResponseHeaders(200, resp.length); //fixed content length
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(resp);
+ }
+ }
+ }
+
+ static class HTTP_ChunkedHandler implements HttpTestHandler {
+ @Override
+ public void handle(HttpTestExchange t) throws IOException {
+ out.println("HTTP_ChunkedHandler received request to " + t.getRequestURI());
+ byte[] resp;
+ try (InputStream is = t.getRequestBody()) {
+ resp = is.readAllBytes();
+ }
+ t.sendResponseHeaders(200, -1); // chunked/variable
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(resp);
+ }
+ }
+ }
+
+}