http-client-branch: (WebSocket) autopong on a closed channel is not an error + test
/*
* 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
* @build DummyWebSocketServer
* @run testng/othervm/timeout=600
* -Djdk.internal.httpclient.websocket.debug=true
* WebSocketTest
*/
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.io.IOException;
import java.net.http.WebSocket;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.stream.Collectors;
import static java.net.http.HttpClient.newHttpClient;
import static java.net.http.WebSocket.NORMAL_CLOSURE;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertThrows;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
public class WebSocketTest {
private static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
private static final Class<IllegalStateException> ISE = IllegalStateException.class;
private static final Class<IOException> IOE = IOException.class;
/* shortcut */
private static void assertFails(Class<? extends Throwable> clazz,
CompletionStage<?> stage) {
Support.assertCompletesExceptionally(clazz, stage);
}
@Test
public void illegalArgument() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
assertFails(IAE, ws.sendPing(ByteBuffer.allocate(126)));
assertFails(IAE, ws.sendPing(ByteBuffer.allocate(127)));
assertFails(IAE, ws.sendPing(ByteBuffer.allocate(128)));
assertFails(IAE, ws.sendPing(ByteBuffer.allocate(129)));
assertFails(IAE, ws.sendPing(ByteBuffer.allocate(256)));
assertFails(IAE, ws.sendPong(ByteBuffer.allocate(126)));
assertFails(IAE, ws.sendPong(ByteBuffer.allocate(127)));
assertFails(IAE, ws.sendPong(ByteBuffer.allocate(128)));
assertFails(IAE, ws.sendPong(ByteBuffer.allocate(129)));
assertFails(IAE, ws.sendPong(ByteBuffer.allocate(256)));
assertFails(IOE, ws.sendText(Support.incompleteString(), true));
assertFails(IOE, ws.sendText(Support.incompleteString(), false));
assertFails(IOE, ws.sendText(Support.malformedString(), true));
assertFails(IOE, ws.sendText(Support.malformedString(), false));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWithNBytes(124)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWithNBytes(125)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWithNBytes(128)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWithNBytes(256)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWithNBytes(257)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.stringWith2NBytes((123 / 2) + 1)));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.malformedString()));
assertFails(IAE, ws.sendClose(NORMAL_CLOSURE, Support.incompleteString()));
assertFails(IAE, ws.sendClose(-2, "a reason"));
assertFails(IAE, ws.sendClose(-1, "a reason"));
assertFails(IAE, ws.sendClose(0, "a reason"));
assertFails(IAE, ws.sendClose(1, "a reason"));
assertFails(IAE, ws.sendClose(500, "a reason"));
assertFails(IAE, ws.sendClose(998, "a reason"));
assertFails(IAE, ws.sendClose(999, "a reason"));
assertFails(IAE, ws.sendClose(1002, "a reason"));
assertFails(IAE, ws.sendClose(1003, "a reason"));
assertFails(IAE, ws.sendClose(1006, "a reason"));
assertFails(IAE, ws.sendClose(1007, "a reason"));
assertFails(IAE, ws.sendClose(1009, "a reason"));
assertFails(IAE, ws.sendClose(1010, "a reason"));
assertFails(IAE, ws.sendClose(1012, "a reason"));
assertFails(IAE, ws.sendClose(1013, "a reason"));
assertFails(IAE, ws.sendClose(1015, "a reason"));
assertFails(IAE, ws.sendClose(5000, "a reason"));
assertFails(IAE, ws.sendClose(32768, "a reason"));
assertFails(IAE, ws.sendClose(65535, "a reason"));
assertFails(IAE, ws.sendClose(65536, "a reason"));
assertFails(IAE, ws.sendClose(Integer.MAX_VALUE, "a reason"));
assertFails(IAE, ws.sendClose(Integer.MIN_VALUE, "a reason"));
assertThrows(IAE, () -> ws.request(Integer.MIN_VALUE));
assertThrows(IAE, () -> ws.request(Long.MIN_VALUE));
assertThrows(IAE, () -> ws.request(-1));
assertThrows(IAE, () -> ws.request(0));
}
}
@Test(dataProvider = "booleans")
public void pendingTextPingClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
CharBuffer data = CharBuffer.allocate(65536);
CompletableFuture<WebSocket> cfText;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.printf("begin cycle #%s at %s%n",
i, System.currentTimeMillis());
cfText = ws.sendText(data, last);
try {
cfText.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
} finally {
System.out.printf("end cycle #%s at %s%n",
i, System.currentTimeMillis());
}
}
assertFails(ISE, ws.sendText("", true));
assertFails(ISE, ws.sendText("", false));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
CompletableFuture<WebSocket> cfPing = ws.sendPing(ByteBuffer.allocate(125));
assertHangs(cfPing);
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfClose = ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfText);
assertFails(IOE, cfPing);
assertFails(IOE, cfClose);
}
}
/* shortcut */
public static void assertHangs(CompletionStage<?> stage) {
Support.assertHangs(stage);
}
@Test(dataProvider = "booleans")
public void pendingTextPongClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
CharBuffer data = CharBuffer.allocate(65536);
CompletableFuture<WebSocket> cfText;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.printf("begin cycle #%s at %s%n",
i, System.currentTimeMillis());
cfText = ws.sendText(data, last);
try {
cfText.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
} finally {
System.out.printf("end cycle #%s at %s%n",
i, System.currentTimeMillis());
}
}
assertFails(ISE, ws.sendText("", true));
assertFails(ISE, ws.sendText("", false));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
CompletableFuture<WebSocket> cfPong = ws.sendPong(ByteBuffer.allocate(125));
assertHangs(cfPong);
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfClose = ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfText);
assertFails(IOE, cfPong);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingBinaryPingClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(65536);
CompletableFuture<WebSocket> cfBinary;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.printf("begin cycle #%s at %s%n",
i, System.currentTimeMillis());
cfBinary = ws.sendBinary(data, last);
try {
cfBinary.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
} finally {
System.out.printf("end cycle #%s at %s%n",
i, System.currentTimeMillis());
}
}
assertFails(ISE, ws.sendText("", true));
assertFails(ISE, ws.sendText("", false));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
CompletableFuture<WebSocket> cfPing = ws.sendPing(ByteBuffer.allocate(125));
assertHangs(cfPing);
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfClose = ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfBinary);
assertFails(IOE, cfPing);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingBinaryPongClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(65536);
CompletableFuture<WebSocket> cfBinary;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.printf("begin cycle #%s at %s%n",
i, System.currentTimeMillis());
cfBinary = ws.sendBinary(data, last);
try {
cfBinary.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
} finally {
System.out.printf("end cycle #%s at %s%n",
i, System.currentTimeMillis());
}
}
assertFails(ISE, ws.sendText("", true));
assertFails(ISE, ws.sendText("", false));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
CompletableFuture<WebSocket> cfPong = ws.sendPong(ByteBuffer.allocate(125));
assertHangs(cfPong);
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfClose = ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfBinary);
assertFails(IOE, cfPong);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingPingTextClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(125);
CompletableFuture<WebSocket> cfPing;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.println("cycle #" + i);
cfPing = ws.sendPing(data);
try {
cfPing.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfText = ws.sendText("hello", last);
assertHangs(cfText);
CompletableFuture<WebSocket> cfClose
= ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfPing);
assertFails(IOE, cfText);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingPingBinaryClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(125);
CompletableFuture<WebSocket> cfPing;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.println("cycle #" + i);
cfPing = ws.sendPing(data);
try {
cfPing.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfBinary
= ws.sendBinary(ByteBuffer.allocate(4), last);
assertHangs(cfBinary);
CompletableFuture<WebSocket> cfClose
= ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfPing);
assertFails(IOE, cfBinary);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingPongTextClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(125);
CompletableFuture<WebSocket> cfPong;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.println("cycle #" + i);
cfPong = ws.sendPong(data);
try {
cfPong.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfText = ws.sendText("hello", last);
assertHangs(cfText);
CompletableFuture<WebSocket> cfClose
= ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfPong);
assertFails(IOE, cfText);
assertFails(IOE, cfClose);
}
}
@Test(dataProvider = "booleans")
public void pendingPongBinaryClose(boolean last) throws Exception {
try (DummyWebSocketServer server = Support.notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(125);
CompletableFuture<WebSocket> cfPong;
for (int i = 0; ; i++) { // fill up the send buffer
System.out.println("cycle #" + i);
cfPong = ws.sendPong(data);
try {
cfPong.get(5, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertFails(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(ISE, ws.sendPong(ByteBuffer.allocate(125)));
CompletableFuture<WebSocket> cfBinary
= ws.sendBinary(ByteBuffer.allocate(4), last);
assertHangs(cfBinary);
CompletableFuture<WebSocket> cfClose
= ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok");
assertHangs(cfClose);
ws.abort();
assertFails(IOE, cfPong);
assertFails(IOE, cfBinary);
assertFails(IOE, cfClose);
}
}
@Test
public void partialBinaryThenText() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendBinary(ByteBuffer.allocate(16), false).join();
assertFails(ISE, ws.sendText("text", false));
assertFails(ISE, ws.sendText("text", true));
// Pings & Pongs are fine
ws.sendPing(ByteBuffer.allocate(125)).join();
ws.sendPong(ByteBuffer.allocate(125)).join();
}
}
@Test
public void partialTextThenBinary() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendText("text", false).join();
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(16), false));
assertFails(ISE, ws.sendBinary(ByteBuffer.allocate(16), true));
// Pings & Pongs are fine
ws.sendPing(ByteBuffer.allocate(125)).join();
ws.sendPong(ByteBuffer.allocate(125)).join();
}
}
@Test
public void sendMethodsThrowIOE1() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendClose(NORMAL_CLOSURE, "ok").join();
assertFails(IOE, ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok"));
assertFails(IOE, ws.sendText("", true));
assertFails(IOE, ws.sendText("", false));
assertFails(IOE, ws.sendText("abc", true));
assertFails(IOE, ws.sendText("abc", false));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(0), false));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(1), true));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(1), false));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(124)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(1)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(0)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(125)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(124)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(1)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(0)));
}
}
@Test
public void sendMethodsThrowIOE2() throws Exception {
try (DummyWebSocketServer server = Support.serverWithCannedData(0x88, 0x00)) {
server.open();
CompletableFuture<Void> onCloseCalled = new CompletableFuture<>();
CompletableFuture<Void> canClose = new CompletableFuture<>();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() {
@Override
public CompletionStage<?> onClose(WebSocket webSocket,
int statusCode,
String reason) {
System.out.printf("onClose(%s, '%s')%n", statusCode, reason);
onCloseCalled.complete(null);
return canClose;
}
@Override
public void onError(WebSocket webSocket, Throwable error) {
System.out.println("onError(" + error + ")");
onCloseCalled.completeExceptionally(error);
}
})
.join();
onCloseCalled.join(); // Wait for onClose to be called
canClose.complete(null); // Signal to the WebSocket it can close the output
TimeUnit.SECONDS.sleep(5); // Give canClose some time to reach the WebSocket
assertFails(IOE, ws.sendClose(WebSocket.NORMAL_CLOSURE, "ok"));
assertFails(IOE, ws.sendText("", true));
assertFails(IOE, ws.sendText("", false));
assertFails(IOE, ws.sendText("abc", true));
assertFails(IOE, ws.sendText("abc", false));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(0), false));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(1), true));
assertFails(IOE, ws.sendBinary(ByteBuffer.allocate(1), false));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(125)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(124)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(1)));
assertFails(IOE, ws.sendPing(ByteBuffer.allocate(0)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(125)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(124)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(1)));
assertFails(IOE, ws.sendPong(ByteBuffer.allocate(0)));
}
}
@Test
public void simpleAggregatingBinaryMessages() throws IOException {
List<byte[]> expected = List.of("alpha", "beta", "gamma", "delta")
.stream()
.map(s -> s.getBytes(StandardCharsets.US_ASCII))
.collect(Collectors.toList());
int[] binary = new int[]{
0x82, 0x05, 0x61, 0x6c, 0x70, 0x68, 0x61, // [alpha]
0x02, 0x02, 0x62, 0x65, // [be
0x80, 0x02, 0x74, 0x61, // ta]
0x02, 0x01, 0x67, // [g
0x00, 0x01, 0x61, // a
0x00, 0x00, //
0x00, 0x00, //
0x00, 0x01, 0x6d, // m
0x00, 0x01, 0x6d, // m
0x80, 0x01, 0x61, // a]
0x8a, 0x00, // <PONG>
0x02, 0x04, 0x64, 0x65, 0x6c, 0x74, // [delt
0x00, 0x01, 0x61, // a
0x80, 0x00, // ]
0x88, 0x00 // <CLOSE>
};
CompletableFuture<List<byte[]>> actual = new CompletableFuture<>();
try (DummyWebSocketServer server = Support.serverWithCannedData(binary)) {
server.open();
WebSocket.Listener listener = new WebSocket.Listener() {
List<byte[]> collectedBytes = new ArrayList<>();
ByteBuffer binary = ByteBuffer.allocate(1024);
@Override
public CompletionStage<?> onBinary(WebSocket webSocket,
ByteBuffer message,
boolean last) {
System.out.printf("onBinary(%s, %s)%n", message, last);
webSocket.request(1);
append(message);
if (last) {
binary.flip();
byte[] bytes = new byte[binary.remaining()];
binary.get(bytes);
binary.clear();
processWholeBinary(bytes);
}
return null;
}
private void append(ByteBuffer message) {
if (binary.remaining() < message.remaining()) {
assert message.remaining() > 0;
int cap = (binary.capacity() + message.remaining()) * 2;
ByteBuffer b = ByteBuffer.allocate(cap);
b.put(binary.flip());
binary = b;
}
binary.put(message);
}
private void processWholeBinary(byte[] bytes) {
String stringBytes = new String(bytes, StandardCharsets.UTF_8);
System.out.println("processWholeBinary: " + stringBytes);
collectedBytes.add(bytes);
}
@Override
public CompletionStage<?> onClose(WebSocket webSocket,
int statusCode,
String reason) {
actual.complete(collectedBytes);
return null;
}
@Override
public void onError(WebSocket webSocket, Throwable error) {
actual.completeExceptionally(error);
}
};
newHttpClient().newWebSocketBuilder()
.buildAsync(server.getURI(), listener)
.join();
List<byte[]> a = actual.join();
System.out.println("joined");
assertEquals(a, expected);
}
}
@Test
public void simpleAggregatingTextMessages() throws IOException {
List<String> expected = List.of("alpha", "beta", "gamma", "delta");
int[] binary = new int[]{
0x81, 0x05, 0x61, 0x6c, 0x70, 0x68, 0x61, // "alpha"
0x01, 0x02, 0x62, 0x65, // "be
0x80, 0x02, 0x74, 0x61, // ta"
0x01, 0x01, 0x67, // "g
0x00, 0x01, 0x61, // a
0x00, 0x00, //
0x00, 0x00, //
0x00, 0x01, 0x6d, // m
0x00, 0x01, 0x6d, // m
0x80, 0x01, 0x61, // a"
0x8a, 0x00, // <PONG>
0x01, 0x04, 0x64, 0x65, 0x6c, 0x74, // "delt
0x00, 0x01, 0x61, // a
0x80, 0x00, // "
0x88, 0x00 // <CLOSE>
};
CompletableFuture<List<String>> actual = new CompletableFuture<>();
try (DummyWebSocketServer server = Support.serverWithCannedData(binary)) {
server.open();
WebSocket.Listener listener = new WebSocket.Listener() {
List<String> collectedStrings = new ArrayList<>();
StringBuilder text = new StringBuilder();
@Override
public CompletionStage<?> onText(WebSocket webSocket,
CharSequence message,
boolean last) {
System.out.printf("onText(%s, %s)%n", message, last);
webSocket.request(1);
text.append(message);
if (last) {
String str = text.toString();
text.setLength(0);
processWholeText(str);
}
return null;
}
private void processWholeText(String string) {
System.out.println(string);
collectedStrings.add(string);
}
@Override
public CompletionStage<?> onClose(WebSocket webSocket,
int statusCode,
String reason) {
actual.complete(collectedStrings);
return null;
}
@Override
public void onError(WebSocket webSocket, Throwable error) {
actual.completeExceptionally(error);
}
};
newHttpClient().newWebSocketBuilder()
.buildAsync(server.getURI(), listener)
.join();
List<String> a = actual.join();
assertEquals(a, expected);
}
}
/*
* Exercises the scenario where requests for more messages are made prior to
* completing the returned CompletionStage instances.
*/
@Test
public void aggregatingTextMessages() throws IOException {
List<String> expected = List.of("alpha", "beta", "gamma", "delta");
int[] binary = new int[]{
0x81, 0x05, 0x61, 0x6c, 0x70, 0x68, 0x61, // "alpha"
0x01, 0x02, 0x62, 0x65, // "be
0x80, 0x02, 0x74, 0x61, // ta"
0x01, 0x01, 0x67, // "g
0x00, 0x01, 0x61, // a
0x00, 0x00, //
0x00, 0x00, //
0x00, 0x01, 0x6d, // m
0x00, 0x01, 0x6d, // m
0x80, 0x01, 0x61, // a"
0x8a, 0x00, // <PONG>
0x01, 0x04, 0x64, 0x65, 0x6c, 0x74, // "delt
0x00, 0x01, 0x61, // a
0x80, 0x00, // "
0x88, 0x00 // <CLOSE>
};
CompletableFuture<List<String>> actual = new CompletableFuture<>();
try (DummyWebSocketServer server = Support.serverWithCannedData(binary)) {
server.open();
WebSocket.Listener listener = new WebSocket.Listener() {
List<CharSequence> parts = new ArrayList<>();
/*
* A CompletableFuture which will complete once the current
* message has been fully assembled. Until then the listener
* returns this instance for every call.
*/
CompletableFuture<?> currentCf = new CompletableFuture<>();
List<String> collected = new ArrayList<>();
@Override
public CompletionStage<?> onText(WebSocket webSocket,
CharSequence message,
boolean last) {
parts.add(message);
if (!last) {
webSocket.request(1);
} else {
this.currentCf.thenRun(() -> webSocket.request(1));
CompletableFuture<?> refCf = this.currentCf;
processWholeMessage(new ArrayList<>(parts), refCf);
currentCf = new CompletableFuture<>();
parts.clear();
return refCf;
}
return currentCf;
}
@Override
public CompletionStage<?> onClose(WebSocket webSocket,
int statusCode,
String reason) {
actual.complete(collected);
return null;
}
@Override
public void onError(WebSocket webSocket, Throwable error) {
actual.completeExceptionally(error);
}
public void processWholeMessage(List<CharSequence> data,
CompletableFuture<?> cf) {
StringBuilder b = new StringBuilder();
data.forEach(b::append);
String s = b.toString();
System.out.println(s);
cf.complete(null);
collected.add(s);
}
};
newHttpClient().newWebSocketBuilder()
.buildAsync(server.getURI(), listener)
.join();
List<String> a = actual.join();
assertEquals(a, expected);
}
}
@DataProvider(name = "booleans")
public Object[][] booleans() {
return new Object[][]{{Boolean.TRUE}, {Boolean.FALSE}};
}
}