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jvmTest.okhttp3.EventListenerTest Maven / Gradle / Ivy
/*
* Copyright (C) 2017 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.File;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.UnknownHostException;
import java.time.Duration;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nullable;
import mockwebserver3.MockResponse;
import mockwebserver3.MockWebServer;
import mockwebserver3.SocketPolicy;
import okhttp3.CallEvent.CallEnd;
import okhttp3.CallEvent.CallFailed;
import okhttp3.CallEvent.CallStart;
import okhttp3.CallEvent.ConnectEnd;
import okhttp3.CallEvent.ConnectFailed;
import okhttp3.CallEvent.ConnectStart;
import okhttp3.CallEvent.ConnectionAcquired;
import okhttp3.CallEvent.ConnectionReleased;
import okhttp3.CallEvent.DnsEnd;
import okhttp3.CallEvent.DnsStart;
import okhttp3.CallEvent.RequestBodyEnd;
import okhttp3.CallEvent.RequestBodyStart;
import okhttp3.CallEvent.RequestHeadersEnd;
import okhttp3.CallEvent.RequestHeadersStart;
import okhttp3.CallEvent.ResponseBodyEnd;
import okhttp3.CallEvent.ResponseBodyStart;
import okhttp3.CallEvent.ResponseFailed;
import okhttp3.CallEvent.ResponseHeadersEnd;
import okhttp3.CallEvent.ResponseHeadersStart;
import okhttp3.CallEvent.SecureConnectEnd;
import okhttp3.CallEvent.SecureConnectStart;
import okhttp3.internal.DoubleInetAddressDns;
import okhttp3.internal.RecordingOkAuthenticator;
import okhttp3.internal.connection.RealConnectionPool;
import okhttp3.logging.HttpLoggingInterceptor;
import okhttp3.testing.Flaky;
import okhttp3.testing.PlatformRule;
import okhttp3.tls.HandshakeCertificates;
import okio.Buffer;
import okio.BufferedSink;
import org.hamcrest.BaseMatcher;
import org.hamcrest.CoreMatchers;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.MatcherAssert;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
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.hamcrest.CoreMatchers.any;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.jupiter.api.Assertions.fail;
import static org.junit.Assume.assumeThat;
@Flaky // STDOUT logging enabled for test
@Timeout(30)
@Tag("Slow")
public final class EventListenerTest {
public static final Matcher anyResponse = CoreMatchers.any(Response.class);
@RegisterExtension public final PlatformRule platform = new PlatformRule();
@RegisterExtension public final OkHttpClientTestRule clientTestRule = new OkHttpClientTestRule();
private MockWebServer server;
private final RecordingEventListener listener = new RecordingEventListener();
private final HandshakeCertificates handshakeCertificates = localhost();
private OkHttpClient client = clientTestRule.newClientBuilder()
.eventListenerFactory(clientTestRule.wrap(listener))
.build();
private SocksProxy socksProxy;
private Cache cache = null;
@BeforeEach public void setUp(MockWebServer server) {
this.server = server;
platform.assumeNotOpenJSSE();
platform.assumeNotBouncyCastle();
listener.forbidLock(RealConnectionPool.Companion.get(client.connectionPool()));
listener.forbidLock(client.dispatcher());
}
@AfterEach public void tearDown() throws Exception {
if (socksProxy != null) {
socksProxy.shutdown();
}
if (cache != null) {
cache.delete();
}
}
@Test public void successfulCallEventSequence() throws IOException {
server.enqueue(new MockResponse()
.setBody("abc"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.body().close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void successfulCallEventSequenceForEnqueue() throws Exception {
server.enqueue(new MockResponse()
.setBody("abc"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
final CountDownLatch completionLatch = new CountDownLatch(1);
Callback callback = new Callback() {
@Override public void onFailure(Call call, IOException e) {
completionLatch.countDown();
}
@Override public void onResponse(Call call, Response response) {
response.close();
completionLatch.countDown();
}
};
call.enqueue(callback);
completionLatch.await();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void failedCallEventSequence() {
server.enqueue(new MockResponse()
.setHeadersDelay(2, TimeUnit.SECONDS));
client = client.newBuilder()
.readTimeout(Duration.ofMillis(250))
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
assertThat(expected.getMessage()).isIn("timeout", "Read timed out");
}
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseFailed", "ConnectionReleased", "CallFailed");
}
@Test public void failedDribbledCallEventSequence() throws IOException {
server.enqueue(new MockResponse().setBody("0123456789")
.throttleBody(2, 100, TimeUnit.MILLISECONDS)
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_RESPONSE_BODY));
client = client.newBuilder()
.protocols(Collections.singletonList(Protocol.HTTP_1_1))
.readTimeout(Duration.ofMillis(250))
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
try {
response.body().string();
fail();
} catch (IOException expected) {
assertThat(expected.getMessage()).isEqualTo("unexpected end of stream");
}
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseFailed", "ConnectionReleased", "CallFailed");
ResponseFailed responseFailed = listener.removeUpToEvent(ResponseFailed.class);
assertThat(responseFailed.getIoe().getMessage()).isEqualTo("unexpected end of stream");
}
@Test public void canceledCallEventSequence() {
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
call.cancel();
try {
call.execute();
fail();
} catch (IOException expected) {
assertThat(expected.getMessage()).isEqualTo("Canceled");
}
assertThat(listener.recordedEventTypes()).containsExactly(
"Canceled", "CallStart", "CallFailed");
}
@Test public void cancelAsyncCall() throws IOException {
server.enqueue(new MockResponse()
.setBody("abc"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
call.enqueue(new Callback() {
@Override public void onFailure(Call call, IOException e) {
}
@Override public void onResponse(Call call, Response response) throws IOException {
response.close();
}
});
call.cancel();
assertThat(listener.recordedEventTypes()).contains("Canceled");
}
@Test public void multipleCancelsEmitsOnlyOneEvent() throws IOException {
server.enqueue(new MockResponse()
.setBody("abc"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
call.cancel();
call.cancel();
assertThat(listener.recordedEventTypes()).containsExactly("Canceled");
}
private void assertSuccessfulEventOrder(Matcher responseMatcher) throws IOException {
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().string();
response.body().close();
assumeThat(response, responseMatcher);
assertThat(listener.recordedEventTypes()).containsExactly(
"CallStart", "ProxySelectStart", "ProxySelectEnd",
"DnsStart", "DnsEnd", "ConnectStart",
"SecureConnectStart", "SecureConnectEnd", "ConnectEnd", "ConnectionAcquired",
"RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd",
"ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void secondCallEventSequence() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
server.enqueue(new MockResponse());
server.enqueue(new MockResponse());
client.newCall(new Request.Builder()
.url(server.url("/"))
.build()).execute().close();
listener.removeUpToEvent(CallEnd.class);
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "ConnectionAcquired",
"RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd",
"ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
private void assertBytesReadWritten(RecordingEventListener listener,
@Nullable Matcher requestHeaderLength, @Nullable Matcher requestBodyBytes,
@Nullable Matcher responseHeaderLength, @Nullable Matcher responseBodyBytes) {
if (requestHeaderLength != null) {
RequestHeadersEnd responseHeadersEnd = listener.removeUpToEvent(RequestHeadersEnd.class);
MatcherAssert.assertThat("request header length", responseHeadersEnd.getHeaderLength(),
requestHeaderLength);
} else {
assertThat(listener.recordedEventTypes()).doesNotContain("RequestHeadersEnd");
}
if (requestBodyBytes != null) {
RequestBodyEnd responseBodyEnd = listener.removeUpToEvent(RequestBodyEnd.class);
MatcherAssert.assertThat("request body bytes", responseBodyEnd.getBytesWritten(), requestBodyBytes);
} else {
assertThat(listener.recordedEventTypes()).doesNotContain("RequestBodyEnd");
}
if (responseHeaderLength != null) {
ResponseHeadersEnd responseHeadersEnd = listener.removeUpToEvent(ResponseHeadersEnd.class);
MatcherAssert.assertThat("response header length", responseHeadersEnd.getHeaderLength(),
responseHeaderLength);
} else {
assertThat(listener.recordedEventTypes()).doesNotContain("ResponseHeadersEnd");
}
if (responseBodyBytes != null) {
ResponseBodyEnd responseBodyEnd = listener.removeUpToEvent(ResponseBodyEnd.class);
MatcherAssert.assertThat("response body bytes", responseBodyEnd.getBytesRead(), responseBodyBytes);
} else {
assertThat(listener.recordedEventTypes()).doesNotContain("ResponseBodyEnd");
}
}
private Matcher greaterThan(final long value) {
return new BaseMatcher() {
@Override public void describeTo(Description description) {
description.appendText("> " + value);
}
@Override public boolean matches(Object o) {
return ((Long) o) > value;
}
};
}
private Matcher matchesProtocol(final Protocol protocol) {
return new BaseMatcher() {
@Override public void describeTo(Description description) {
description.appendText("is HTTP/2");
}
@Override public boolean matches(Object o) {
return ((Response) o).protocol() == protocol;
}
};
}
@Test public void successfulEmptyH2CallEventSequence() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
server.enqueue(new MockResponse());
assertSuccessfulEventOrder(matchesProtocol(Protocol.HTTP_2));
assertBytesReadWritten(listener, any(Long.class), null, greaterThan(0L),
equalTo(0L));
}
@Test public void successfulEmptyHttpsCallEventSequence() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
server.enqueue(new MockResponse()
.setBody("abc"));
assertSuccessfulEventOrder(anyResponse);
assertBytesReadWritten(listener, any(Long.class), null, greaterThan(0L),
equalTo(3L));
}
@Test public void successfulChunkedHttpsCallEventSequence() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
server.enqueue(
new MockResponse().setBodyDelay(100, TimeUnit.MILLISECONDS).setChunkedBody("Hello!", 2));
assertSuccessfulEventOrder(anyResponse);
assertBytesReadWritten(listener, any(Long.class), null, greaterThan(0L),
equalTo(6L));
}
@Test public void successfulChunkedH2CallEventSequence() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
server.enqueue(
new MockResponse().setBodyDelay(100, TimeUnit.MILLISECONDS).setChunkedBody("Hello!", 2));
assertSuccessfulEventOrder(matchesProtocol(Protocol.HTTP_2));
assertBytesReadWritten(listener, any(Long.class), null, equalTo(0L),
greaterThan(6L));
}
@Test public void successfulDnsLookup() throws IOException {
server.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
DnsStart dnsStart = listener.removeUpToEvent(DnsStart.class);
assertThat(dnsStart.getCall()).isSameAs(call);
assertThat(dnsStart.getDomainName()).isEqualTo(server.getHostName());
DnsEnd dnsEnd = listener.removeUpToEvent(DnsEnd.class);
assertThat(dnsEnd.getCall()).isSameAs(call);
assertThat(dnsEnd.getDomainName()).isEqualTo(server.getHostName());
assertThat(dnsEnd.getInetAddressList().size()).isEqualTo(1);
}
@Test public void noDnsLookupOnPooledConnection() throws IOException {
server.enqueue(new MockResponse());
server.enqueue(new MockResponse());
// Seed the pool.
Call call1 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response1 = call1.execute();
assertThat(response1.code()).isEqualTo(200);
response1.body().close();
listener.clearAllEvents();
Call call2 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response2 = call2.execute();
assertThat(response2.code()).isEqualTo(200);
response2.body().close();
List recordedEvents = listener.recordedEventTypes();
assertThat(recordedEvents).doesNotContain("DnsStart");
assertThat(recordedEvents).doesNotContain("DnsEnd");
}
@Test public void multipleDnsLookupsForSingleCall() throws IOException {
server.enqueue(new MockResponse()
.setResponseCode(301)
.setHeader("Location", "http://www.fakeurl:" + server.getPort()));
server.enqueue(new MockResponse());
FakeDns dns = new FakeDns();
dns.set("fakeurl", client.dns().lookup(server.getHostName()));
dns.set("www.fakeurl", client.dns().lookup(server.getHostName()));
client = client.newBuilder()
.dns(dns)
.build();
Call call = client.newCall(new Request.Builder()
.url("http://fakeurl:" + server.getPort())
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
listener.removeUpToEvent(DnsStart.class);
listener.removeUpToEvent(DnsEnd.class);
listener.removeUpToEvent(DnsStart.class);
listener.removeUpToEvent(DnsEnd.class);
}
@Test public void failedDnsLookup() {
client = client.newBuilder()
.dns(new FakeDns())
.build();
Call call = client.newCall(new Request.Builder()
.url("http://fakeurl/")
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
listener.removeUpToEvent(DnsStart.class);
CallFailed callFailed = listener.removeUpToEvent(CallFailed.class);
assertThat(callFailed.getCall()).isSameAs(call);
assertThat(callFailed.getIoe()).isInstanceOf(UnknownHostException.class);
}
@Test public void emptyDnsLookup() {
Dns emptyDns = hostname -> Collections.emptyList();
client = client.newBuilder()
.dns(emptyDns)
.build();
Call call = client.newCall(new Request.Builder()
.url("http://fakeurl/")
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
listener.removeUpToEvent(DnsStart.class);
CallFailed callFailed = listener.removeUpToEvent(CallFailed.class);
assertThat(callFailed.getCall()).isSameAs(call);
assertThat(callFailed.getIoe()).isInstanceOf(UnknownHostException.class);
}
@Test public void successfulConnect() throws IOException {
server.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
InetAddress address = client.dns().lookup(server.getHostName()).get(0);
InetSocketAddress expectedAddress = new InetSocketAddress(address, server.getPort());
ConnectStart connectStart = listener.removeUpToEvent(ConnectStart.class);
assertThat(connectStart.getCall()).isSameAs(call);
assertThat(connectStart.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectStart.getProxy()).isEqualTo(Proxy.NO_PROXY);
ConnectEnd connectEnd = listener.removeUpToEvent(ConnectEnd.class);
assertThat(connectEnd.getCall()).isSameAs(call);
assertThat(connectEnd.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectEnd.getProtocol()).isEqualTo(Protocol.HTTP_1_1);
}
@Test public void failedConnect() throws UnknownHostException {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.FAIL_HANDSHAKE));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
InetAddress address = client.dns().lookup(server.getHostName()).get(0);
InetSocketAddress expectedAddress = new InetSocketAddress(address, server.getPort());
ConnectStart connectStart = listener.removeUpToEvent(ConnectStart.class);
assertThat(connectStart.getCall()).isSameAs(call);
assertThat(connectStart.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectStart.getProxy()).isEqualTo(Proxy.NO_PROXY);
ConnectFailed connectFailed = listener.removeUpToEvent(ConnectFailed.class);
assertThat(connectFailed.getCall()).isSameAs(call);
assertThat(connectFailed.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectFailed.getProtocol()).isNull();
assertThat(connectFailed.getIoe()).isNotNull();
}
@Test public void multipleConnectsForSingleCall() throws IOException {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.FAIL_HANDSHAKE));
server.enqueue(new MockResponse());
client = client.newBuilder()
.dns(new DoubleInetAddressDns())
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
listener.removeUpToEvent(ConnectStart.class);
listener.removeUpToEvent(ConnectFailed.class);
listener.removeUpToEvent(ConnectStart.class);
listener.removeUpToEvent(ConnectEnd.class);
}
@Test public void successfulHttpProxyConnect() throws IOException {
server.enqueue(new MockResponse());
client = client.newBuilder()
.proxy(server.toProxyAddress())
.build();
Call call = client.newCall(new Request.Builder()
.url("http://www.fakeurl")
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
InetAddress address = client.dns().lookup(server.getHostName()).get(0);
InetSocketAddress expectedAddress = new InetSocketAddress(address, server.getPort());
ConnectStart connectStart = listener.removeUpToEvent(ConnectStart.class);
assertThat(connectStart.getCall()).isSameAs(call);
assertThat(connectStart.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectStart.getProxy()).isEqualTo(server.toProxyAddress());
ConnectEnd connectEnd = listener.removeUpToEvent(ConnectEnd.class);
assertThat(connectEnd.getCall()).isSameAs(call);
assertThat(connectEnd.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectEnd.getProtocol()).isEqualTo(Protocol.HTTP_1_1);
}
@Test public void successfulSocksProxyConnect() throws Exception {
server.enqueue(new MockResponse());
socksProxy = new SocksProxy();
socksProxy.play();
Proxy proxy = socksProxy.proxy();
client = client.newBuilder()
.proxy(proxy)
.build();
Call call = client.newCall(new Request.Builder()
.url("http://" + SocksProxy.HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS + ":" + server.getPort())
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
InetSocketAddress expectedAddress = InetSocketAddress.createUnresolved(
SocksProxy.HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS, server.getPort());
ConnectStart connectStart = listener.removeUpToEvent(ConnectStart.class);
assertThat(connectStart.getCall()).isSameAs(call);
assertThat(connectStart.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectStart.getProxy()).isEqualTo(proxy);
ConnectEnd connectEnd = listener.removeUpToEvent(ConnectEnd.class);
assertThat(connectEnd.getCall()).isSameAs(call);
assertThat(connectEnd.getInetSocketAddress()).isEqualTo(expectedAddress);
assertThat(connectEnd.getProtocol()).isEqualTo(Protocol.HTTP_1_1);
}
@Test public void authenticatingTunnelProxyConnect() throws IOException {
enableTlsWithTunnel(true);
server.enqueue(new MockResponse()
.setResponseCode(407)
.addHeader("Proxy-Authenticate: Basic realm=\"localhost\"")
.addHeader("Connection: close"));
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.UPGRADE_TO_SSL_AT_END));
server.enqueue(new MockResponse());
client = client.newBuilder()
.proxy(server.toProxyAddress())
.proxyAuthenticator(new RecordingOkAuthenticator("password", "Basic"))
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
listener.removeUpToEvent(ConnectStart.class);
ConnectEnd connectEnd = listener.removeUpToEvent(ConnectEnd.class);
assertThat(connectEnd.getProtocol()).isNull();
listener.removeUpToEvent(ConnectStart.class);
listener.removeUpToEvent(ConnectEnd.class);
}
@Test public void successfulSecureConnect() throws IOException {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
SecureConnectStart secureStart = listener.removeUpToEvent(SecureConnectStart.class);
assertThat(secureStart.getCall()).isSameAs(call);
SecureConnectEnd secureEnd = listener.removeUpToEvent(SecureConnectEnd.class);
assertThat(secureEnd.getCall()).isSameAs(call);
assertThat(secureEnd.getHandshake()).isNotNull();
}
@Test public void failedSecureConnect() {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.FAIL_HANDSHAKE));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
SecureConnectStart secureStart = listener.removeUpToEvent(SecureConnectStart.class);
assertThat(secureStart.getCall()).isSameAs(call);
CallFailed callFailed = listener.removeUpToEvent(CallFailed.class);
assertThat(callFailed.getCall()).isSameAs(call);
assertThat(callFailed.getIoe()).isNotNull();
}
@Test public void secureConnectWithTunnel() throws IOException {
enableTlsWithTunnel(true);
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.UPGRADE_TO_SSL_AT_END));
server.enqueue(new MockResponse());
client = client.newBuilder()
.proxy(server.toProxyAddress())
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
SecureConnectStart secureStart = listener.removeUpToEvent(SecureConnectStart.class);
assertThat(secureStart.getCall()).isSameAs(call);
SecureConnectEnd secureEnd = listener.removeUpToEvent(SecureConnectEnd.class);
assertThat(secureEnd.getCall()).isSameAs(call);
assertThat(secureEnd.getHandshake()).isNotNull();
}
@Test public void multipleSecureConnectsForSingleCall() throws IOException {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.FAIL_HANDSHAKE));
server.enqueue(new MockResponse());
client = client.newBuilder()
.dns(new DoubleInetAddressDns())
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
listener.removeUpToEvent(SecureConnectStart.class);
listener.removeUpToEvent(ConnectFailed.class);
listener.removeUpToEvent(SecureConnectStart.class);
listener.removeUpToEvent(SecureConnectEnd.class);
}
@Test public void noSecureConnectsOnPooledConnection() throws IOException {
enableTlsWithTunnel(false);
server.enqueue(new MockResponse());
server.enqueue(new MockResponse());
client = client.newBuilder()
.dns(new DoubleInetAddressDns())
.build();
// Seed the pool.
Call call1 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response1 = call1.execute();
assertThat(response1.code()).isEqualTo(200);
response1.body().close();
listener.clearAllEvents();
Call call2 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response2 = call2.execute();
assertThat(response2.code()).isEqualTo(200);
response2.body().close();
List recordedEvents = listener.recordedEventTypes();
assertThat(recordedEvents).doesNotContain("SecureConnectStart");
assertThat(recordedEvents).doesNotContain("SecureConnectEnd");
}
@Test public void successfulConnectionFound() throws IOException {
server.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.body().close();
ConnectionAcquired connectionAcquired = listener.removeUpToEvent(ConnectionAcquired.class);
assertThat(connectionAcquired.getCall()).isSameAs(call);
assertThat(connectionAcquired.getConnection()).isNotNull();
}
@Test public void noConnectionFoundOnFollowUp() throws IOException {
server.enqueue(new MockResponse()
.setResponseCode(301)
.addHeader("Location", "/foo"));
server.enqueue(new MockResponse()
.setBody("ABC"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.body().string()).isEqualTo("ABC");
listener.removeUpToEvent(ConnectionAcquired.class);
List remainingEvents = listener.recordedEventTypes();
assertThat(remainingEvents).doesNotContain("ConnectionAcquired");
}
@Test public void pooledConnectionFound() throws IOException {
server.enqueue(new MockResponse());
server.enqueue(new MockResponse());
// Seed the pool.
Call call1 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response1 = call1.execute();
assertThat(response1.code()).isEqualTo(200);
response1.body().close();
ConnectionAcquired connectionAcquired1 = listener.removeUpToEvent(ConnectionAcquired.class);
listener.clearAllEvents();
Call call2 = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response2 = call2.execute();
assertThat(response2.code()).isEqualTo(200);
response2.body().close();
ConnectionAcquired connectionAcquired2 = listener.removeUpToEvent(ConnectionAcquired.class);
assertThat(connectionAcquired2.getConnection()).isSameAs(
connectionAcquired1.getConnection());
}
@Test public void multipleConnectionsFoundForSingleCall() throws IOException {
server.enqueue(new MockResponse()
.setResponseCode(301)
.addHeader("Location", "/foo")
.addHeader("Connection", "Close"));
server.enqueue(new MockResponse()
.setBody("ABC"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.body().string()).isEqualTo("ABC");
listener.removeUpToEvent(ConnectionAcquired.class);
listener.removeUpToEvent(ConnectionAcquired.class);
}
@Test public void responseBodyFailHttp1OverHttps() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
responseBodyFail(Protocol.HTTP_1_1);
}
@Test public void responseBodyFailHttp2OverHttps() throws IOException {
platform.assumeHttp2Support();
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
responseBodyFail(Protocol.HTTP_2);
}
@Test public void responseBodyFailHttp() throws IOException {
responseBodyFail(Protocol.HTTP_1_1);
}
private void responseBodyFail(Protocol expectedProtocol) throws IOException {
// Use a 2 MiB body so the disconnect won't happen until the client has read some data.
int responseBodySize = 2 * 1024 * 1024; // 2 MiB
server.enqueue(new MockResponse()
.setBody(new Buffer().write(new byte[responseBodySize]))
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_RESPONSE_BODY));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
if (expectedProtocol == Protocol.HTTP_2) {
// soft failure since client may not support depending on Platform
assumeThat(response, matchesProtocol(Protocol.HTTP_2));
}
assertThat(response.protocol()).isEqualTo(expectedProtocol);
try {
response.body().string();
fail();
} catch (IOException expected) {
}
CallFailed callFailed = listener.removeUpToEvent(CallFailed.class);
assertThat(callFailed.getIoe()).isNotNull();
}
@Test public void emptyResponseBody() throws IOException {
server.enqueue(new MockResponse()
.setBody("")
.setBodyDelay(1, TimeUnit.SECONDS)
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_RESPONSE_BODY));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
response.body().close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void emptyResponseBodyConnectionClose() throws IOException {
server.enqueue(new MockResponse()
.addHeader("Connection", "close")
.setBody(""));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
response.body().close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void responseBodyClosedClosedWithoutReadingAllData() throws IOException {
server.enqueue(new MockResponse()
.setBody("abc")
.setBodyDelay(1, TimeUnit.SECONDS)
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_RESPONSE_BODY));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
response.body().close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void requestBodyFailHttp1OverHttps() {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
requestBodyFail(Protocol.HTTP_1_1);
}
@Test public void requestBodyFailHttp2OverHttps() {
platform.assumeHttp2Support();
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
requestBodyFail(Protocol.HTTP_2);
}
@Test public void requestBodyFailHttp() {
requestBodyFail(null);
}
private void requestBodyFail(@Nullable Protocol expectedProtocol) {
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_REQUEST_BODY));
NonCompletingRequestBody request = new NonCompletingRequestBody();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(request)
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
if (expectedProtocol != null) {
ConnectionAcquired connectionAcquired = listener.removeUpToEvent(ConnectionAcquired.class);
assertThat(connectionAcquired.getConnection().protocol()).isEqualTo(expectedProtocol);
}
CallFailed callFailed = listener.removeUpToEvent(CallFailed.class);
assertThat(callFailed.getIoe()).isNotNull();
assertThat(request.ioe).isNotNull();
}
private class NonCompletingRequestBody extends RequestBody {
IOException ioe;
@Override public MediaType contentType() {
return MediaType.get("text/plain");
}
@Override public long contentLength() {
return 1024 * 1024 * 4;
}
@Override public void writeTo(BufferedSink sink) throws IOException {
try {
writeChunk(sink);
writeChunk(sink);
writeChunk(sink);
writeChunk(sink);
Thread.sleep(1000);
writeChunk(sink);
writeChunk(sink);
} catch (IOException e) {
ioe = e;
} catch (InterruptedException e) {
}
}
private void writeChunk(BufferedSink sink) throws IOException {
sink.write(new byte[1024 * 512]);
sink.flush();
}
}
@Test public void requestBodyMultipleFailuresReportedOnlyOnce() {
RequestBody requestBody = new RequestBody() {
@Override public MediaType contentType() {
return MediaType.get("text/plain");
}
@Override public long contentLength() {
return 1024 * 1024 * 256;
}
@Override public void writeTo(BufferedSink sink) throws IOException {
int failureCount = 0;
for (int i = 0; i < 1024; i++) {
try {
sink.write(new byte[1024 * 256]);
sink.flush();
} catch (IOException e) {
failureCount++;
if (failureCount == 3) throw e;
}
}
}
};
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.DISCONNECT_DURING_REQUEST_BODY));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(requestBody)
.build());
try {
call.execute();
fail();
} catch (IOException expected) {
}
assertThat(listener.recordedEventTypes()).containsExactly(
"CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
"ConnectEnd", "ConnectionAcquired", "RequestHeadersStart", "RequestHeadersEnd",
"RequestBodyStart", "RequestFailed", "ResponseFailed", "ConnectionReleased", "CallFailed");
}
@Test public void requestBodySuccessHttp1OverHttps() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
requestBodySuccess(RequestBody.create("Hello", MediaType.get("text/plain")), equalTo(5L),
equalTo(19L));
}
@Test public void requestBodySuccessHttp2OverHttps() throws IOException {
platform.assumeHttp2Support();
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
requestBodySuccess(RequestBody.create("Hello", MediaType.get("text/plain")), equalTo(5L),
equalTo(19L));
}
@Test public void requestBodySuccessHttp() throws IOException {
requestBodySuccess(RequestBody.create("Hello", MediaType.get("text/plain")), equalTo(5L),
equalTo(19L));
}
@Test public void requestBodySuccessStreaming() throws IOException {
RequestBody requestBody = new RequestBody() {
@Override public MediaType contentType() {
return MediaType.get("text/plain");
}
@Override public void writeTo(BufferedSink sink) throws IOException {
sink.write(new byte[8192]);
sink.flush();
}
};
requestBodySuccess(requestBody, equalTo(8192L), equalTo(19L));
}
@Test public void requestBodySuccessEmpty() throws IOException {
requestBodySuccess(RequestBody.create("", MediaType.get("text/plain")), equalTo(0L),
equalTo(19L));
}
@Test public void successfulCallEventSequenceWithListener() throws IOException {
server.enqueue(new MockResponse().setBody("abc"));
client = client.newBuilder()
.addNetworkInterceptor(new HttpLoggingInterceptor()
.setLevel(HttpLoggingInterceptor.Level.BODY))
.build();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.body().close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
private void requestBodySuccess(RequestBody body, Matcher requestBodyBytes,
Matcher responseHeaderLength) throws IOException {
server.enqueue(new MockResponse()
.setResponseCode(200)
.setBody("World!"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.post(body)
.build());
Response response = call.execute();
assertThat(response.body().string()).isEqualTo("World!");
assertBytesReadWritten(listener, any(Long.class), requestBodyBytes, responseHeaderLength,
equalTo(6L));
}
@Test public void timeToFirstByteHttp1OverHttps() throws IOException {
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_1_1));
timeToFirstByte();
}
@Test public void timeToFirstByteHttp2OverHttps() throws IOException {
platform.assumeHttp2Support();
enableTlsWithTunnel(false);
server.setProtocols(asList(Protocol.HTTP_2, Protocol.HTTP_1_1));
timeToFirstByte();
}
/**
* Test to confirm that events are reported at the time they occur and no earlier and no later.
* This inserts a bunch of synthetic 250 ms delays into both client and server and confirms that
* the same delays make it back into the events.
*
* We've had bugs where we report an event when we request data rather than when the data actually
* arrives. https://github.com/square/okhttp/issues/5578
*/
private void timeToFirstByte() throws IOException {
long applicationInterceptorDelay = 250L;
long networkInterceptorDelay = 250L;
long requestBodyDelay = 250L;
long responseHeadersStartDelay = 250L;
long responseBodyStartDelay = 250L;
long responseBodyEndDelay = 250L;
// Warm up the client so the timing part of the test gets a pooled connection.
server.enqueue(new MockResponse());
Call warmUpCall = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
try (Response warmUpResponse = warmUpCall.execute()) {
warmUpResponse.body().string();
}
listener.clearAllEvents();
// Create a client with artificial delays.
client = client.newBuilder()
.addInterceptor(chain -> {
try {
Thread.sleep(applicationInterceptorDelay);
return chain.proceed(chain.request());
} catch (InterruptedException e) {
throw new InterruptedIOException();
}
})
.addNetworkInterceptor(chain -> {
try {
Thread.sleep(networkInterceptorDelay);
return chain.proceed(chain.request());
} catch (InterruptedException e) {
throw new InterruptedIOException();
}
})
.build();
// Create a request body with artificial delays.
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 {
Thread.sleep(requestBodyDelay);
sink.writeUtf8("abc");
} catch (InterruptedException e) {
throw new InterruptedIOException();
}
}
})
.build());
// Create a response with artificial delays.
server.enqueue(new MockResponse()
.setHeadersDelay(responseHeadersStartDelay, TimeUnit.MILLISECONDS)
.setBodyDelay(responseBodyStartDelay, TimeUnit.MILLISECONDS)
.throttleBody(5, responseBodyEndDelay, TimeUnit.MILLISECONDS)
.setBody("fghijk"));
// Make the call.
try (Response response = call.execute()) {
assertThat(response.body().string()).isEqualTo("fghijk");
}
// Confirm the events occur when expected.
listener.takeEvent(CallStart.class, 0L);
listener.takeEvent(ConnectionAcquired.class, applicationInterceptorDelay);
listener.takeEvent(RequestHeadersStart.class, networkInterceptorDelay);
listener.takeEvent(RequestHeadersEnd.class, 0L);
listener.takeEvent(RequestBodyStart.class, 0L);
listener.takeEvent(RequestBodyEnd.class, requestBodyDelay);
listener.takeEvent(ResponseHeadersStart.class, responseHeadersStartDelay);
listener.takeEvent(ResponseHeadersEnd.class, 0L);
listener.takeEvent(ResponseBodyStart.class, responseBodyStartDelay);
listener.takeEvent(ResponseBodyEnd.class, responseBodyEndDelay);
listener.takeEvent(ConnectionReleased.class, 0L);
listener.takeEvent(CallEnd.class, 0L);
}
private void enableTlsWithTunnel(boolean tunnelProxy) {
client = client.newBuilder()
.sslSocketFactory(
handshakeCertificates.sslSocketFactory(), handshakeCertificates.trustManager())
.hostnameVerifier(new RecordingHostnameVerifier())
.build();
server.useHttps(handshakeCertificates.sslSocketFactory(), tunnelProxy);
}
@Test public void redirectUsingSameConnectionEventSequence() throws IOException {
server.enqueue(new MockResponse()
.setResponseCode(HttpURLConnection.HTTP_MOVED_TEMP)
.addHeader("Location: /foo"));
server.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder().url(server.url("/")).build());
call.execute();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart",
"ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased",
"CallEnd");
}
@Test
public void redirectUsingNewConnectionEventSequence() throws IOException {
MockWebServer otherServer = new MockWebServer();
server.enqueue(
new MockResponse()
.setResponseCode(HttpURLConnection.HTTP_MOVED_TEMP)
.addHeader("Location: " + otherServer.url("/foo")));
otherServer.enqueue(new MockResponse());
Call call = client.newCall(new Request.Builder().url(server.url("/")).build());
call.execute();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "ConnectionReleased", "ProxySelectStart", "ProxySelectEnd",
"DnsStart", "DnsEnd", "ConnectStart", "ConnectEnd",
"ConnectionAcquired", "RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart",
"ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased",
"CallEnd");
}
@Test public void applicationInterceptorProceedsMultipleTimes() throws Exception {
server.enqueue(new MockResponse().setBody("a"));
server.enqueue(new MockResponse().setBody("b"));
client = client.newBuilder()
.addInterceptor(chain -> {
try (Response a = chain.proceed(chain.request())) {
assertThat(a.body().string()).isEqualTo("a");
}
return chain.proceed(chain.request());
})
.build();
Call call = client.newCall(new Request.Builder().url(server.url("/")).build());
Response response = call.execute();
assertThat(response.body().string()).isEqualTo("b");
assertThat(listener.recordedEventTypes()).containsExactly("CallStart",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
"ResponseBodyEnd", "RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart",
"ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased",
"CallEnd");
assertThat(server.takeRequest().getSequenceNumber()).isEqualTo(0);
assertThat(server.takeRequest().getSequenceNumber()).isEqualTo(1);
}
@Test public void applicationInterceptorShortCircuit() throws Exception {
client = client.newBuilder()
.addInterceptor(chain -> new Response.Builder()
.request(chain.request())
.protocol(Protocol.HTTP_1_1)
.code(200)
.message("OK")
.body(ResponseBody.create("a", null))
.build())
.build();
Call call = client.newCall(new Request.Builder().url(server.url("/")).build());
Response response = call.execute();
assertThat(response.body().string()).isEqualTo("a");
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "CallEnd");
}
/** Response headers start, then the entire request body, then response headers end. */
@Test public void expectContinueStartsResponseHeadersEarly() throws Exception {
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.EXPECT_CONTINUE));
Request request = new Request.Builder()
.url(server.url("/"))
.header("Expect", "100-continue")
.post(RequestBody.create("abc", MediaType.get("text/plain")))
.build();
Call call = client.newCall(request);
call.execute();
assertThat(listener.recordedEventTypes()).containsExactly(
"CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
"ConnectEnd", "ConnectionAcquired", "RequestHeadersStart", "RequestHeadersEnd",
"ResponseHeadersStart", "RequestBodyStart", "RequestBodyEnd", "ResponseHeadersEnd",
"ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void timeToFirstByteGapBetweenResponseHeaderStartAndEnd() throws IOException {
long responseHeadersStartDelay = 250L;
server.enqueue(new MockResponse()
.setSocketPolicy(SocketPolicy.EXPECT_CONTINUE)
.setHeadersDelay(responseHeadersStartDelay, TimeUnit.MILLISECONDS));
Request request = new Request.Builder()
.url(server.url("/"))
.header("Expect", "100-continue")
.post(RequestBody.create("abc", MediaType.get("text/plain")))
.build();
Call call = client.newCall(request);
try (Response response = call.execute()) {
assertThat(response.body().string()).isEqualTo("");
}
listener.removeUpToEvent(ResponseHeadersStart.class);
listener.takeEvent(RequestBodyStart.class, 0L);
listener.takeEvent(RequestBodyEnd.class, 0L);
listener.takeEvent(ResponseHeadersEnd.class, responseHeadersStartDelay);
}
@Test public void cacheMiss() throws IOException {
enableCache();
server.enqueue(new MockResponse()
.setBody("abc"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "CacheMiss",
"ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
"ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd",
"ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void conditionalCache() throws IOException {
enableCache();
server.enqueue(new MockResponse()
.addHeader("ETag: v1")
.setBody("abc"));
server.enqueue(new MockResponse()
.setResponseCode(HttpURLConnection.HTTP_NOT_MODIFIED));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.close();
listener.clearAllEvents();
call = call.clone();
response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "CacheConditionalHit",
"ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd",
"ResponseBodyStart", "ResponseBodyEnd", "CacheHit", "ConnectionReleased", "CallEnd");
}
@Test public void conditionalCacheMiss() throws IOException {
enableCache();
server.enqueue(new MockResponse()
.addHeader("ETag: v1")
.setBody("abc"));
server.enqueue(new MockResponse()
.setResponseCode(HttpURLConnection.HTTP_OK)
.addHeader("ETag: v2")
.setBody("abd"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
response.close();
listener.clearAllEvents();
call = call.clone();
response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abd");
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "CacheConditionalHit",
"ConnectionAcquired", "RequestHeadersStart",
"RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "CacheMiss",
"ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased", "CallEnd");
}
@Test public void satisfactionFailure() throws IOException {
enableCache();
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.cacheControl(CacheControl.FORCE_CACHE)
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(504);
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "SatisfactionFailure", "CallEnd");
}
@Test public void cacheHit() throws IOException {
enableCache();
server.enqueue(new MockResponse().setBody("abc").addHeader("cache-control: public, max-age=300"));
Call call = client.newCall(new Request.Builder()
.url(server.url("/"))
.build());
Response response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.close();
listener.clearAllEvents();
call = call.clone();
response = call.execute();
assertThat(response.code()).isEqualTo(200);
assertThat(response.body().string()).isEqualTo("abc");
response.close();
assertThat(listener.recordedEventTypes()).containsExactly("CallStart", "CacheHit", "CallEnd");
}
private Cache enableCache() throws IOException {
cache = makeCache();
client = client.newBuilder().cache(cache).build();
return cache;
}
private Cache makeCache() throws IOException {
File cacheDir = File.createTempFile("cache-", ".dir");
cacheDir.delete();
return new Cache(cacheDir, 1024 * 1024);
}
}
