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jvmTest.okhttp3.DuplexTest Maven / Gradle / Ivy
/*
* Copyright (C) 2018 Square, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package okhttp3;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import mockwebserver3.MockResponse;
import mockwebserver3.MockWebServer;
import mockwebserver3.SocketPolicy;
import mockwebserver3.internal.duplex.MockDuplexResponseBody;
import okhttp3.internal.RecordingOkAuthenticator;
import okhttp3.internal.duplex.AsyncRequestBody;
import okhttp3.internal.duplex.MwsDuplexAccess;
import okhttp3.internal.http2.ErrorCode;
import okhttp3.testing.PlatformRule;
import okhttp3.tls.HandshakeCertificates;
import okio.BufferedSink;
import okio.BufferedSource;
import org.jetbrains.annotations.Nullable;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
import org.junit.jupiter.api.extension.RegisterExtension;
import static java.util.Arrays.asList;
import static okhttp3.tls.internal.TlsUtil.localhost;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
@Timeout(30)
@Tag("Slowish")
public final class DuplexTest {
@RegisterExtension public final PlatformRule platform = new PlatformRule();
@RegisterExtension public OkHttpClientTestRule clientTestRule = new OkHttpClientTestRule();
private MockWebServer server;
private RecordingEventListener listener = new RecordingEventListener();
private final HandshakeCertificates handshakeCertificates = localhost();
private OkHttpClient client = clientTestRule.newClientBuilder()
.eventListenerFactory(clientTestRule.wrap(listener))
.build();
@BeforeEach public void setUp(MockWebServer server) {
this.server = server;
platform.assumeNotOpenJSSE();
platform.assumeHttp2Support();
platform.assumeNotBouncyCastle();
}
@Test public void http1DoesntSupportDuplex() throws IOException {
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try {
call.execute();
fail();
} catch (ProtocolException expected) {
}
}
@Test public void trueDuplexClientWritesFirst() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.receiveRequest("request A\n")
.sendResponse("response B\n")
.receiveRequest("request C\n")
.sendResponse("response D\n")
.receiveRequest("request E\n")
.sendResponse("response F\n")
.exhaustRequest()
.exhaustResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
requestBody.writeUtf8("request A\n");
requestBody.flush();
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("response B");
requestBody.writeUtf8("request C\n");
requestBody.flush();
assertThat(responseBody.readUtf8Line()).isEqualTo("response D");
requestBody.writeUtf8("request E\n");
requestBody.flush();
assertThat(responseBody.readUtf8Line()).isEqualTo("response F");
requestBody.close();
assertThat(responseBody.readUtf8Line()).isNull();
}
mockDuplexResponseBody.awaitSuccess();
}
@Test public void trueDuplexServerWritesFirst() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.sendResponse("response A\n")
.receiveRequest("request B\n")
.sendResponse("response C\n")
.receiveRequest("request D\n")
.sendResponse("response E\n")
.receiveRequest("request F\n")
.exhaustResponse()
.exhaustRequest());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("response A");
requestBody.writeUtf8("request B\n");
requestBody.flush();
assertThat(responseBody.readUtf8Line()).isEqualTo("response C");
requestBody.writeUtf8("request D\n");
requestBody.flush();
assertThat(responseBody.readUtf8Line()).isEqualTo("response E");
requestBody.writeUtf8("request F\n");
requestBody.flush();
assertThat(responseBody.readUtf8Line()).isNull();
requestBody.close();
}
mockDuplexResponseBody.awaitSuccess();
}
@Test public void clientReadsHeadersDataTrailers() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders()
.addHeader("h1", "v1")
.addHeader("h2", "v2")
.setTrailers(Headers.of("trailers", "boom")),
new MockDuplexResponseBody()
.sendResponse("ok")
.exhaustResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
try (Response response = call.execute()) {
assertThat(response.headers()).isEqualTo(Headers.of("h1", "v1", "h2", "v2"));
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8(2)).isEqualTo("ok");
assertTrue(responseBody.exhausted());
assertThat(response.trailers()).isEqualTo(Headers.of("trailers", "boom"));
}
mockDuplexResponseBody.awaitSuccess();
}
@Test public void serverReadsHeadersData() throws Exception {
TestUtil.assumeNotWindows();
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders()
.addHeader("h1", "v1")
.addHeader("h2", "v2"),
new MockDuplexResponseBody()
.exhaustResponse()
.receiveRequest("hey\n")
.receiveRequest("whats going on\n")
.exhaustRequest());
Request request = new Request.Builder()
.url(server.url("/"))
.method("POST", new AsyncRequestBody())
.build();
Call call = client.newCall(request);
try (Response response = call.execute()) {
BufferedSink sink = ((AsyncRequestBody) request.body()).takeSink();
sink.writeUtf8("hey\n");
sink.writeUtf8("whats going on\n");
sink.close();
}
mockDuplexResponseBody.awaitSuccess();
}
@Test public void requestBodyEndsAfterResponseBody() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.exhaustResponse()
.receiveRequest("request A\n")
.exhaustRequest());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSource responseBody = response.body().source();
assertTrue(responseBody.exhausted());
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
requestBody.writeUtf8("request A\n");
requestBody.close();
}
mockDuplexResponseBody.awaitSuccess();
assertThat(listener.recordedEventTypes()).containsExactly(
"CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
"SecureConnectStart", "SecureConnectEnd", "ConnectEnd", "ConnectionAcquired",
"RequestHeadersStart", "RequestHeadersEnd", "RequestBodyStart", "ResponseHeadersStart",
"ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "RequestBodyEnd",
"ConnectionReleased", "CallEnd");
}
@Test public void duplexWith100Continue() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders()
.add100Continue(),
new MockDuplexResponseBody()
.receiveRequest("request body\n")
.sendResponse("response body\n")
.exhaustRequest());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.header("Expect", "100-continue")
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
requestBody.writeUtf8("request body\n");
requestBody.flush();
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("response body");
requestBody.close();
assertThat(responseBody.readUtf8Line()).isNull();
}
mockDuplexResponseBody.awaitSuccess();
}
/**
* Duplex calls that have follow-ups are weird. By the time we know there's a follow-up we've
* already split off another thread to stream the request body. Because we permit at most one
* exchange at a time we break the request stream out from under that writer.
*/
@Test public void duplexWithRedirect() throws Exception {
enableProtocol(Protocol.HTTP_2);
CountDownLatch duplexResponseSent = new CountDownLatch(1);
listener = new RecordingEventListener() {
@Override public void responseHeadersEnd(Call call, Response response) {
try {
// Wait for the server to send the duplex response before acting on the 301 response
// and resetting the stream.
duplexResponseSent.await();
} catch (InterruptedException e) {
throw new AssertionError();
}
super.responseHeadersEnd(call, response);
}
};
client = client.newBuilder()
.eventListener(listener)
.build();
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders()
.setResponseCode(HttpURLConnection.HTTP_MOVED_PERM)
.addHeader("Location: /b"),
new MockDuplexResponseBody()
.sendResponse("/a has moved!\n", duplexResponseSent)
.requestIOException()
.exhaustResponse());
server.enqueue(new MockResponse()
.setBody("this is /b"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("this is /b");
}
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
try {
requestBody.writeUtf8("request body\n");
requestBody.flush();
fail();
} catch (IOException expected) {
assertThat(expected.getMessage()).isEqualTo("stream was reset: CANCEL");
}
mockDuplexResponseBody.awaitSuccess();
assertThat(listener.recordedEventTypes()).containsExactly(
"CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
"SecureConnectStart", "SecureConnectEnd", "ConnectEnd", "ConnectionAcquired",
"RequestHeadersStart", "RequestHeadersEnd", "RequestBodyStart", "ResponseHeadersStart",
"ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd", "RequestFailed");
}
/**
* Auth requires follow-ups. Unlike redirects, the auth follow-up also has a request body. This
* test makes a single call with two duplex requests!
*/
@Test public void duplexWithAuthChallenge() throws Exception {
enableProtocol(Protocol.HTTP_2);
String credential = Credentials.basic("jesse", "secret");
client = client.newBuilder()
.authenticator(new RecordingOkAuthenticator(credential, null))
.build();
MockDuplexResponseBody mockResponseBody1 = enqueueResponseWithBody(
new MockResponse()
.clearHeaders()
.setResponseCode(HttpURLConnection.HTTP_UNAUTHORIZED),
new MockDuplexResponseBody()
.sendResponse("please authenticate!\n")
.requestIOException()
.exhaustResponse());
MockDuplexResponseBody mockResponseBody2 = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.sendResponse("response body\n")
.exhaustResponse()
.receiveRequest("request body\n")
.exhaustRequest());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
Response response2 = call.execute();
// First duplex request is detached with violence.
BufferedSink requestBody1 = ((AsyncRequestBody) call.request().body()).takeSink();
try {
requestBody1.writeUtf8("not authenticated\n");
requestBody1.flush();
fail();
} catch (IOException expected) {
assertThat(expected.getMessage()).isEqualTo("stream was reset: CANCEL");
}
mockResponseBody1.awaitSuccess();
// Second duplex request proceeds normally.
BufferedSink requestBody2 = ((AsyncRequestBody) call.request().body()).takeSink();
requestBody2.writeUtf8("request body\n");
requestBody2.close();
BufferedSource responseBody2 = response2.body().source();
assertThat(responseBody2.readUtf8Line()).isEqualTo("response body");
assertTrue(responseBody2.exhausted());
mockResponseBody2.awaitSuccess();
// No more requests attempted!
((AsyncRequestBody) call.request().body()).assertNoMoreSinks();
}
@Test public void fullCallTimeoutAppliesToSetup() throws Exception {
enableProtocol(Protocol.HTTP_2);
server.enqueue(new MockResponse()
.setHeadersDelay(500, TimeUnit.MILLISECONDS));
Request request = new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build();
Call call = client.newCall(request);
call.timeout().timeout(250, TimeUnit.MILLISECONDS);
try {
call.execute();
fail();
} catch (IOException e) {
assertThat(e.getMessage()).isEqualTo("timeout");
assertTrue(call.isCanceled());
}
}
@Test public void fullCallTimeoutDoesNotApplyOnceConnected() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.sendResponse("response A\n")
.sleep(750, TimeUnit.MILLISECONDS)
.sendResponse("response B\n")
.receiveRequest("request C\n")
.exhaustResponse()
.exhaustRequest());
Request request = new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build();
Call call = client.newCall(request);
call.timeout().timeout(500, TimeUnit.MILLISECONDS); // Long enough for the first TLS handshake.
try (Response response = call.execute()) {
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("response A");
assertThat(responseBody.readUtf8Line()).isEqualTo("response B");
requestBody.writeUtf8("request C\n");
requestBody.close();
assertThat(responseBody.readUtf8Line()).isNull();
}
mockDuplexResponseBody.awaitSuccess();
}
@Test public void duplexWithRewriteInterceptors() throws Exception {
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.receiveRequest("REQUEST A\n")
.sendResponse("response B\n")
.exhaustRequest()
.exhaustResponse());
client = client.newBuilder()
.addInterceptor(new UppercaseRequestInterceptor())
.addInterceptor(new UppercaseResponseInterceptor())
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new AsyncRequestBody())
.build());
try (Response response = call.execute()) {
BufferedSink requestBody = ((AsyncRequestBody) call.request().body()).takeSink();
requestBody.writeUtf8("request A\n");
requestBody.flush();
BufferedSource responseBody = response.body().source();
assertThat(responseBody.readUtf8Line()).isEqualTo("RESPONSE B");
requestBody.close();
assertThat(responseBody.readUtf8Line()).isNull();
}
mockDuplexResponseBody.awaitSuccess();
}
/**
* OkHttp currently doesn't implement failing the request body stream independently of failing the
* corresponding response body stream. This is necessary if we want servers to be able to stop
* inbound data and send an early 400 before the request body completes.
*
* This test sends a slow request that is canceled by the server. It expects the response to still
* be readable after the request stream is canceled.
*/
@Disabled
@Test public void serverCancelsRequestBodyAndSendsResponseBody() throws Exception {
client = client.newBuilder()
.retryOnConnectionFailure(false)
.build();
BlockingQueue log = new LinkedBlockingQueue<>();
enableProtocol(Protocol.HTTP_2);
MockDuplexResponseBody mockDuplexResponseBody = enqueueResponseWithBody(
new MockResponse()
.clearHeaders(),
new MockDuplexResponseBody()
.sendResponse("success!")
.exhaustResponse()
.cancelStream(ErrorCode.NO_ERROR));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(new RequestBody() {
@Override public @Nullable MediaType contentType() {
return null;
}
@Override public void writeTo(BufferedSink sink) throws IOException {
try {
for (int i = 0; i < 10; i++) {
sink.writeUtf8(".");
sink.flush();
Thread.sleep(100);
}
} catch (IOException e) {
log.add(e.toString());
throw e;
} catch (Exception e) {
log.add(e.toString());
}
}
})
.build());
try (Response response = call.execute()) {
assertThat(response.body().string()).isEqualTo("success!");
}
mockDuplexResponseBody.awaitSuccess();
assertThat(log.take()).contains("StreamResetException: stream was reset: NO_ERROR");
}
private MockDuplexResponseBody enqueueResponseWithBody(
MockResponse response, MockDuplexResponseBody body) {
MwsDuplexAccess.instance.setBody(response, body);
server.enqueue(response);
return body;
}
/**
* Tests that use this will fail unless boot classpath is set. Ex. {@code
* -Xbootclasspath/p:/tmp/alpn-boot-8.0.0.v20140317}
*/
private void enableProtocol(Protocol protocol) {
enableTls();
client = client.newBuilder()
.protocols(asList(protocol, Protocol.HTTP_1_1))
.build();
server.setProtocols(client.protocols());
}
private void enableTls() {
client = client.newBuilder()
.sslSocketFactory(
handshakeCertificates.sslSocketFactory(), handshakeCertificates.trustManager())
.hostnameVerifier(new RecordingHostnameVerifier())
.build();
server.useHttps(handshakeCertificates.sslSocketFactory(), false);
}
}
