114 lines
3.9 KiB
Java
114 lines
3.9 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import jdk.test.lib.util.FileUtils;
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import org.testng.annotations.Test;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.http.HttpRequest.BodyPublisher;
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import java.net.http.HttpRequest.BodyPublishers;
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import java.nio.ByteBuffer;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.Flow;
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import static org.testng.Assert.assertEquals;
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/*
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* @test
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* @summary Verifies that some of the standard BodyPublishers relay exception
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* rather than throw it
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* @bug 8226303
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* @library /test/lib
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* @run testng/othervm RelayingPublishers
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*/
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public class RelayingPublishers {
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@Test
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public void ofFile0() throws IOException {
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Path directory = Files.createDirectory(Path.of("d"));
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// Even though the path exists, the publisher should not be able
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// to read from it, as that path denotes a directory, not a file
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BodyPublisher pub = BodyPublishers.ofFile(directory);
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CompletableSubscriber<ByteBuffer> s = new CompletableSubscriber<>();
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pub.subscribe(s);
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s.future().join();
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// Interestingly enough, it's FileNotFoundException if a file
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// is a directory
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assertEquals(s.future().join().getClass(), FileNotFoundException.class);
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}
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@Test
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public void ofFile1() throws IOException {
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Path file = Files.createFile(Path.of("f"));
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BodyPublisher pub = BodyPublishers.ofFile(file);
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FileUtils.deleteFileWithRetry(file);
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CompletableSubscriber<ByteBuffer> s = new CompletableSubscriber<>();
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pub.subscribe(s);
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assertEquals(s.future().join().getClass(), FileNotFoundException.class);
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}
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@Test
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public void ofByteArrays() {
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List<byte[]> bytes = new ArrayList<>();
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bytes.add(null);
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BodyPublisher pub = BodyPublishers.ofByteArrays(bytes);
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CompletableSubscriber<ByteBuffer> s = new CompletableSubscriber<>();
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pub.subscribe(s);
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assertEquals(s.future().join().getClass(), NullPointerException.class);
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}
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static class CompletableSubscriber<T> implements Flow.Subscriber<T> {
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final CompletableFuture<Throwable> f = new CompletableFuture<>();
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@Override
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public void onSubscribe(Flow.Subscription subscription) {
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subscription.request(1);
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}
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@Override
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public void onNext(T item) {
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f.completeExceptionally(new RuntimeException("Unexpected onNext"));
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}
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@Override
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public void onError(Throwable throwable) {
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f.complete(throwable);
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}
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@Override
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public void onComplete() {
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f.completeExceptionally(new RuntimeException("Unexpected onNext"));
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}
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CompletableFuture<Throwable> future() {
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return f.copy();
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}
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}
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}
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