test/jdk/java/net/httpclient/CustomRequestPublisher.java
changeset 48083 b1c1b4ef4be2
child 49765 ee6f7a61f3a5
child 56089 42208b2f224e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/CustomRequestPublisher.java	Wed Dec 06 11:11:59 2017 -0800
@@ -0,0 +1,349 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @summary Checks correct handling of Publishers that call onComplete without demand
+ * @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 CustomRequestPublisher
+ */
+
+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 java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Flow;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import javax.net.ssl.SSLContext;
+import jdk.incubator.http.HttpClient;
+import jdk.incubator.http.HttpRequest;
+import jdk.incubator.http.HttpResponse;
+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 static java.lang.System.out;
+import static java.nio.charset.StandardCharsets.US_ASCII;
+import static jdk.incubator.http.HttpResponse.BodyHandler.asString;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+
+public class CustomRequestPublisher {
+
+    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 = "variants")
+    public Object[][] variants() {
+        Supplier<BodyPublisher> fixedSupplier   = () -> new FixedLengthBodyPublisher();
+        Supplier<BodyPublisher> unknownSupplier = () -> new UnknownLengthBodyPublisher();
+
+        return new Object[][]{
+                { httpURI,   fixedSupplier,   false },
+                { httpURI,   unknownSupplier, false },
+                { httpsURI,  fixedSupplier,   false },
+                { httpsURI,  unknownSupplier, false },
+                { http2URI,  fixedSupplier,   false },
+                { http2URI,  unknownSupplier, false },
+                { https2URI, fixedSupplier,   false,},
+                { https2URI, unknownSupplier, false },
+
+                { httpURI,   fixedSupplier,   true },
+                { httpURI,   unknownSupplier, true },
+                { httpsURI,  fixedSupplier,   true },
+                { httpsURI,  unknownSupplier, true },
+                { http2URI,  fixedSupplier,   true },
+                { http2URI,  unknownSupplier, true },
+                { https2URI, fixedSupplier,   true,},
+                { https2URI, unknownSupplier, true },
+        };
+    }
+
+    static final int ITERATION_COUNT = 10;
+
+    @Test(dataProvider = "variants")
+    void test(String uri, Supplier<BodyPublisher> bpSupplier, boolean sameClient)
+            throws Exception
+    {
+        HttpClient client = null;
+        for (int i=0; i< ITERATION_COUNT; i++) {
+            if (!sameClient || client == null)
+                client = HttpClient.newBuilder().sslContext(sslContext).build();
+
+            BodyPublisher bodyPublisher = bpSupplier.get();
+            HttpRequest request = HttpRequest.newBuilder(URI.create(uri))
+                    .POST(bodyPublisher)
+                    .build();
+
+            HttpResponse<String> resp = client.send(request, asString());
+
+            out.println("Got response: " + resp);
+            out.println("Got body: " + resp.body());
+            assertTrue(resp.statusCode() == 200,
+                    "Expected 200, got:" + resp.statusCode());
+            assertEquals(resp.body(), bodyPublisher.bodyAsString());
+        }
+    }
+
+    @Test(dataProvider = "variants")
+    void testAsync(String uri, Supplier<BodyPublisher> bpSupplier, boolean sameClient)
+            throws Exception
+    {
+        HttpClient client = null;
+        for (int i=0; i< ITERATION_COUNT; i++) {
+            if (!sameClient || client == null)
+                client = HttpClient.newBuilder().sslContext(sslContext).build();
+
+            BodyPublisher bodyPublisher = bpSupplier.get();
+            HttpRequest request = HttpRequest.newBuilder(URI.create(uri))
+                    .POST(bodyPublisher)
+                    .build();
+
+            CompletableFuture<HttpResponse<String>> cf = client.sendAsync(request, asString());
+            HttpResponse<String> resp = cf.get();
+
+            out.println("Got response: " + resp);
+            out.println("Got body: " + resp.body());
+            assertTrue(resp.statusCode() == 200,
+                    "Expected 200, got:" + resp.statusCode());
+            assertEquals(resp.body(), bodyPublisher.bodyAsString());
+        }
+    }
+
+    /** A Publisher that returns an UNKNOWN content length. */
+    static class UnknownLengthBodyPublisher extends BodyPublisher {
+        @Override
+        public long contentLength() {
+            return -1;  // unknown
+        }
+    }
+
+    /** A Publisher that returns a FIXED content length. */
+    static class FixedLengthBodyPublisher extends BodyPublisher {
+        final int LENGTH = Arrays.stream(BODY)
+                .mapToInt(s-> s.getBytes(US_ASCII).length)
+                .sum();
+        @Override
+        public long contentLength() {
+            return LENGTH;
+        }
+    }
+
+    /**
+     * A Publisher that ( quite correctly ) invokes onComplete, after the last
+     * item has been published, even without any outstanding demand.
+     */
+    static abstract class BodyPublisher implements HttpRequest.BodyPublisher {
+
+        String[] BODY = new String[]
+                { "Say ", "Hello ", "To ", "My ", "Little ", "Friend" };
+
+        protected volatile Flow.Subscriber subscriber;
+
+        @Override
+        public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
+            this.subscriber = subscriber;
+            subscriber.onSubscribe(new InternalSubscription());
+        }
+
+        @Override
+        public abstract long contentLength();
+
+        String bodyAsString() {
+            return Arrays.stream(BODY).collect(Collectors.joining());
+        }
+
+        class InternalSubscription implements Flow.Subscription {
+
+            private final AtomicLong demand = new AtomicLong();
+            private final AtomicBoolean cancelled = new AtomicBoolean();
+            private volatile int position;
+
+            private static final int IDLE    =  1;
+            private static final int PUSHING =  2;
+            private static final int AGAIN   =  4;
+            private final AtomicInteger state = new AtomicInteger(IDLE);
+
+            @Override
+            public void request(long n) {
+                if (n <= 0L) {
+                    subscriber.onError(new IllegalArgumentException(
+                            "non-positive subscription request"));
+                    return;
+                }
+                if (cancelled.get()) {
+                    return;
+                }
+
+                while (true) {
+                    long prev = demand.get(), d;
+                    if ((d = prev + n) < prev) // saturate
+                        d = Long.MAX_VALUE;
+                    if (demand.compareAndSet(prev, d))
+                        break;
+                }
+
+                while (true) {
+                    int s = state.get();
+                    if (s == IDLE) {
+                        if (state.compareAndSet(IDLE, PUSHING)) {
+                            while (true) {
+                                push();
+                                if (state.compareAndSet(PUSHING, IDLE))
+                                    return;
+                                else if (state.compareAndSet(AGAIN, PUSHING))
+                                    continue;
+                            }
+                        }
+                    } else if (s == PUSHING) {
+                        if (state.compareAndSet(PUSHING, AGAIN))
+                            return;
+                    } else if (s == AGAIN){
+                        // do nothing, the pusher will already rerun
+                        return;
+                    } else {
+                        throw new AssertionError("Unknown state:" + s);
+                    }
+                }
+            }
+
+            private void push() {
+                long prev;
+                while ((prev = demand.get()) > 0) {
+                    if (!demand.compareAndSet(prev, prev -1))
+                        continue;
+
+                    int index = position;
+                    if (index < BODY.length) {
+                        position++;
+                        subscriber.onNext(ByteBuffer.wrap(BODY[index].getBytes(US_ASCII)));
+                    }
+                }
+
+                if (position == BODY.length && !cancelled.get()) {
+                    cancelled.set(true);
+                    subscriber.onComplete();  // NOTE: onComplete without demand
+                }
+            }
+
+            @Override
+            public void cancel() {
+                if (cancelled.compareAndExchange(false, true))
+                    return;  // already cancelled
+            }
+        }
+    }
+
+    @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);
+            }
+        }
+    }
+}