--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/FlowAdapterSubscriberTest.java Thu Dec 21 16:58:51 2017 +0000
@@ -0,0 +1,500 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UncheckedIOException;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.Flow;
+import java.util.concurrent.Flow.Subscriber;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsServer;
+import jdk.incubator.http.HttpClient;
+import jdk.incubator.http.HttpRequest;
+import jdk.incubator.http.HttpResponse;
+import jdk.incubator.http.HttpResponse.BodyHandler;
+import jdk.incubator.http.HttpResponse.BodySubscriber;
+import jdk.testlibrary.SimpleSSLContext;
+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 static java.nio.charset.StandardCharsets.UTF_8;
+import static jdk.incubator.http.HttpRequest.BodyPublisher.fromString;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertThrows;
+import static org.testng.Assert.assertTrue;
+
+/*
+ * @test
+ * @summary Basic tests for Flow adapter Subscribers
+ * @modules java.base/sun.net.www.http
+ * jdk.incubator.httpclient/jdk.incubator.http.internal.common
+ * jdk.incubator.httpclient/jdk.incubator.http.internal.frame
+ * jdk.incubator.httpclient/jdk.incubator.http.internal.hpack
+ * java.logging
+ * jdk.httpserver
+ * @library /lib/testlibrary http2/server
+ * @build Http2TestServer
+ * @build jdk.testlibrary.SimpleSSLContext
+ * @run testng/othervm FlowAdapterSubscriberTest
+ */
+
+public class FlowAdapterSubscriberTest {
+
+ SSLContext sslContext;
+ HttpServer httpTestServer; // HTTP/1.1 [ 4 servers ]
+ HttpsServer httpsTestServer; // HTTPS/1.1
+ Http2TestServer http2TestServer; // HTTP/2 ( h2c )
+ Http2TestServer https2TestServer; // HTTP/2 ( h2 )
+ String httpURI;
+ String httpsURI;
+ String http2URI;
+ String https2URI;
+
+ @DataProvider(name = "uris")
+ public Object[][] variants() {
+ return new Object[][]{
+ { httpURI },
+ { httpsURI },
+ { http2URI },
+ { https2URI },
+ };
+ }
+
+ static final Class<NullPointerException> NPE = NullPointerException.class;
+
+ @Test
+ public void testNull() {
+ assertThrows(NPE, () -> BodyHandler.fromSubscriber(null));
+ assertThrows(NPE, () -> BodyHandler.fromSubscriber(null, Function.identity()));
+ assertThrows(NPE, () -> BodyHandler.fromSubscriber(new ListSubscriber(), null));
+ assertThrows(NPE, () -> BodyHandler.fromSubscriber(null, null));
+
+ assertThrows(NPE, () -> BodySubscriber.fromSubscriber(null));
+ assertThrows(NPE, () -> BodySubscriber.fromSubscriber(null, Function.identity()));
+ assertThrows(NPE, () -> BodySubscriber.fromSubscriber(new ListSubscriber(), null));
+ assertThrows(NPE, () -> BodySubscriber.fromSubscriber(null, null));
+
+ Subscriber subscriber = BodySubscriber.fromSubscriber(new ListSubscriber());
+ assertThrows(NPE, () -> subscriber.onSubscribe(null));
+ assertThrows(NPE, () -> subscriber.onNext(null));
+ assertThrows(NPE, () -> subscriber.onError(null));
+ }
+
+ // List<ByteBuffer>
+
+ @Test(dataProvider = "uris")
+ void testListWithFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the luck of the Irish be with you!")).build();
+
+ ListSubscriber subscriber = new ListSubscriber();
+ HttpResponse<String> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber, Supplier::get)).join();
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "May the luck of the Irish be with you!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testListWithoutFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the luck of the Irish be with you!")).build();
+
+ ListSubscriber subscriber = new ListSubscriber();
+ HttpResponse<Void> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber)).join();
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "May the luck of the Irish be with you!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testListWithFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the luck of the Irish be with you!")).build();
+
+ ListSubscriber subscriber = new ListSubscriber();
+ HttpResponse<String> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber, Supplier::get));
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "May the luck of the Irish be with you!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testListWithoutFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the luck of the Irish be with you!")).build();
+
+ ListSubscriber subscriber = new ListSubscriber();
+ HttpResponse<Void> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber));
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "May the luck of the Irish be with you!");
+ }
+
+ // Collection<ByteBuffer>
+
+ @Test(dataProvider = "uris")
+ void testCollectionWithFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("What's the craic?")).build();
+
+ CollectionSubscriber subscriber = new CollectionSubscriber();
+ HttpResponse<String> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber, CollectionSubscriber::get)).join();
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "What's the craic?");
+ }
+
+ @Test(dataProvider = "uris")
+ void testCollectionWithoutFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("What's the craic?")).build();
+
+ CollectionSubscriber subscriber = new CollectionSubscriber();
+ HttpResponse<Void> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber)).join();
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "What's the craic?");
+ }
+
+ @Test(dataProvider = "uris")
+ void testCollectionWithFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("What's the craic?")).build();
+
+ CollectionSubscriber subscriber = new CollectionSubscriber();
+ HttpResponse<String> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber, CollectionSubscriber::get));
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "What's the craic?");
+ }
+
+ @Test(dataProvider = "uris")
+ void testCollectionWithoutFinisheBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("What's the craic?")).build();
+
+ CollectionSubscriber subscriber = new CollectionSubscriber();
+ HttpResponse<Void> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber));
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "What's the craic?");
+ }
+
+ // Iterable<ByteBuffer>
+
+ @Test(dataProvider = "uris")
+ void testIterableWithFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("We're sucking diesel now!")).build();
+
+ IterableSubscriber subscriber = new IterableSubscriber();
+ HttpResponse<String> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber, Supplier::get)).join();
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "We're sucking diesel now!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testIterableWithoutFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("We're sucking diesel now!")).build();
+
+ IterableSubscriber subscriber = new IterableSubscriber();
+ HttpResponse<Void> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber)).join();
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "We're sucking diesel now!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testIterableWithFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("We're sucking diesel now!")).build();
+
+ IterableSubscriber subscriber = new IterableSubscriber();
+ HttpResponse<String> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber, Supplier::get));
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "We're sucking diesel now!");
+ }
+
+ @Test(dataProvider = "uris")
+ void testIterableWithoutFinisherBlocking(String url) throws Exception{
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("We're sucking diesel now!")).build();
+
+ IterableSubscriber subscriber = new IterableSubscriber();
+ HttpResponse<Void> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber));
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertEquals(text, "We're sucking diesel now!");
+ }
+
+ // Subscriber<Object>
+
+ @Test(dataProvider = "uris")
+ void testObjectWithFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the wind always be at your back.")).build();
+
+ ObjectSubscriber subscriber = new ObjectSubscriber();
+ HttpResponse<String> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber, ObjectSubscriber::get)).join();
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertTrue(text.length() != 0); // what else can be asserted!
+ }
+
+ @Test(dataProvider = "uris")
+ void testObjectWithoutFinisher(String url) {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the wind always be at your back.")).build();
+
+ ObjectSubscriber subscriber = new ObjectSubscriber();
+ HttpResponse<Void> response = client.sendAsync(request,
+ BodyHandler.fromSubscriber(subscriber)).join();
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertTrue(text.length() != 0); // what else can be asserted!
+ }
+
+ @Test(dataProvider = "uris")
+ void testObjectWithFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the wind always be at your back.")).build();
+
+ ObjectSubscriber subscriber = new ObjectSubscriber();
+ HttpResponse<String> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber, ObjectSubscriber::get));
+ String text = response.body();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertTrue(text.length() != 0); // what else can be asserted!
+ }
+
+ @Test(dataProvider = "uris")
+ void testObjectWithoutFinisherBlocking(String url) throws Exception {
+ HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build();
+ HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+ .POST(fromString("May the wind always be at your back.")).build();
+
+ ObjectSubscriber subscriber = new ObjectSubscriber();
+ HttpResponse<Void> response = client.send(request,
+ BodyHandler.fromSubscriber(subscriber));
+ String text = subscriber.get();
+ System.out.println(text);
+ assertEquals(response.statusCode(), 200);
+ assertTrue(text.length() != 0); // what else can be asserted!
+ }
+
+ /** An abstract Subscriber that converts all received data into a String. */
+ static abstract class AbstractSubscriber implements Supplier<String> {
+ protected volatile Flow.Subscription subscription;
+ protected volatile ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ protected volatile String text;
+
+ public void onSubscribe(Flow.Subscription subscription) {
+ this.subscription = subscription;
+ subscription.request(Long.MAX_VALUE);
+ }
+ public void onError(Throwable throwable) {
+ throw new RuntimeException(throwable);
+ }
+ public void onComplete() {
+ text = new String(baos.toByteArray(), UTF_8);
+ }
+ @Override public String get() { return text; }
+ }
+
+ static class ListSubscriber extends AbstractSubscriber
+ implements Flow.Subscriber<List<ByteBuffer>>, Supplier<String>
+ {
+ @Override public void onNext(List<ByteBuffer> item) {
+ for (ByteBuffer bb : item) {
+ byte[] ba = new byte[bb.remaining()];
+ bb.get(ba);
+ uncheckedWrite(baos, ba);
+ }
+ }
+ }
+
+ static class CollectionSubscriber extends AbstractSubscriber
+ implements Flow.Subscriber<Collection<ByteBuffer>>, Supplier<String>
+ {
+ @Override public void onNext(Collection<ByteBuffer> item) {
+ for (ByteBuffer bb : item) {
+ byte[] ba = new byte[bb.remaining()];
+ bb.get(ba);
+ uncheckedWrite(baos, ba);
+ }
+ }
+ }
+
+ static class IterableSubscriber extends AbstractSubscriber
+ implements Flow.Subscriber<Iterable<ByteBuffer>>, Supplier<String>
+ {
+ @Override public void onNext(Iterable<ByteBuffer> item) {
+ for (ByteBuffer bb : item) {
+ byte[] ba = new byte[bb.remaining()];
+ bb.get(ba);
+ uncheckedWrite(baos, ba);
+ }
+ }
+ }
+
+ static class ObjectSubscriber extends AbstractSubscriber
+ implements Flow.Subscriber<Object>, Supplier<String>
+ {
+ @Override public void onNext(Object item) {
+ // What can anyone do with Object, cast or toString it ?
+ uncheckedWrite(baos, item.toString().getBytes(UTF_8));
+ }
+ }
+
+ static void uncheckedWrite(ByteArrayOutputStream baos, byte[] ba) {
+ try {
+ baos.write(ba);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ @BeforeTest
+ public void setup() throws Exception {
+ sslContext = new SimpleSSLContext().get();
+ if (sslContext == null)
+ throw new AssertionError("Unexpected null sslContext");
+
+ InetSocketAddress sa = new InetSocketAddress("localhost", 0);
+ httpTestServer = HttpServer.create(sa, 0);
+ httpTestServer.createContext("/http1/echo", new Http1EchoHandler());
+ httpURI = "http://127.0.0.1:" + httpTestServer.getAddress().getPort() + "/http1/echo";
+
+ httpsTestServer = HttpsServer.create(sa, 0);
+ httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
+ httpsTestServer.createContext("/https1/echo", new Http1EchoHandler());
+ httpsURI = "https://127.0.0.1:" + httpsTestServer.getAddress().getPort() + "/https1/echo";
+
+ http2TestServer = new Http2TestServer("127.0.0.1", false, 0);
+ http2TestServer.addHandler(new Http2EchoHandler(), "/http2/echo");
+ int port = http2TestServer.getAddress().getPort();
+ http2URI = "http://127.0.0.1:" + port + "/http2/echo";
+
+ https2TestServer = new Http2TestServer("127.0.0.1", true, 0);
+ https2TestServer.addHandler(new Http2EchoHandler(), "/https2/echo");
+ port = https2TestServer.getAddress().getPort();
+ https2URI = "https://127.0.0.1:" + port + "/https2/echo";
+
+ httpTestServer.start();
+ httpsTestServer.start();
+ http2TestServer.start();
+ https2TestServer.start();
+ }
+
+ @AfterTest
+ public void teardown() throws Exception {
+ httpTestServer.stop(0);
+ httpsTestServer.stop(0);
+ http2TestServer.stop();
+ https2TestServer.stop();
+ }
+
+ static class Http1EchoHandler implements HttpHandler {
+ @Override
+ public void handle(HttpExchange t) throws IOException {
+ try (InputStream is = t.getRequestBody();
+ OutputStream os = t.getResponseBody()) {
+ byte[] bytes = is.readAllBytes();
+ t.sendResponseHeaders(200, bytes.length);
+ os.write(bytes);
+ }
+ }
+ }
+
+ static class Http2EchoHandler implements Http2Handler {
+ @Override
+ public void handle(Http2TestExchange t) throws IOException {
+ try (InputStream is = t.getRequestBody();
+ OutputStream os = t.getResponseBody()) {
+ byte[] bytes = is.readAllBytes();
+ t.sendResponseHeaders(200, bytes.length);
+ os.write(bytes);
+ }
+ }
+ }
+}