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Retrofit2ClientProxyTest.java
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Retrofit2ClientProxyTest.java
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/*
* (c) Copyright 2017 Palantir Technologies Inc. All rights reserved.
*
* 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 com.palantir.conjure.java.client.retrofit2;
import static org.assertj.core.api.Assertions.assertThat;
import com.google.common.collect.ImmutableList;
import com.palantir.conjure.java.api.config.service.BasicCredentials;
import com.palantir.conjure.java.client.config.ClientConfiguration;
import com.palantir.conjure.java.okhttp.HostMetricsRegistry;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.util.List;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.mockwebserver.RecordedRequest;
import org.junit.Rule;
import org.junit.jupiter.api.Test;
public final class Retrofit2ClientProxyTest extends TestBase {
@Rule
public final MockWebServer server = new MockWebServer();
@Rule
public final MockWebServer proxyServer = new MockWebServer();
@Test
public void testDirectVersusProxyConnection() throws Exception {
server.enqueue(new MockResponse().setBody("\"server\""));
proxyServer.enqueue(new MockResponse().setBody("\"proxyServer\""));
TestService directService = Retrofit2Client.create(
TestService.class,
AGENT,
new HostMetricsRegistry(),
createTestConfig("http://localhost:" + server.getPort()));
ClientConfiguration proxiedConfig = ClientConfiguration.builder()
.from(createTestConfig("http://localhost:" + server.getPort()))
.proxy(createProxySelector("localhost", proxyServer.getPort()))
.build();
TestService proxiedService =
Retrofit2Client.create(TestService.class, AGENT, new HostMetricsRegistry(), proxiedConfig);
assertThat(directService.get().execute().body()).isEqualTo("server");
assertThat(proxiedService.get().execute().body()).isEqualTo("proxyServer");
RecordedRequest proxyRequest = proxyServer.takeRequest();
assertThat(proxyRequest.getHeader("Host")).isEqualTo("localhost:" + server.getPort());
}
@Test
public void testAuthenticatedProxy() throws Exception {
proxyServer.enqueue(new MockResponse().setResponseCode(407)); // indicates authenticated proxy
proxyServer.enqueue(new MockResponse().setBody("\"proxyServer\""));
ClientConfiguration proxiedConfig = ClientConfiguration.builder()
.from(createTestConfig("http://localhost:" + server.getPort()))
.proxy(createProxySelector("localhost", proxyServer.getPort()))
.proxyCredentials(BasicCredentials.of("fakeUser", "fakePassword"))
.build();
TestService proxiedService =
Retrofit2Client.create(TestService.class, AGENT, new HostMetricsRegistry(), proxiedConfig);
assertThat(proxiedService.get().execute().body()).isEqualTo("proxyServer");
RecordedRequest firstRequest = proxyServer.takeRequest();
assertThat(firstRequest.getHeader("Proxy-Authorization")).isNull();
RecordedRequest secondRequest = proxyServer.takeRequest();
assertThat(secondRequest.getHeader("Proxy-Authorization")).isEqualTo("Basic ZmFrZVVzZXI6ZmFrZVBhc3N3b3Jk");
}
private static ProxySelector createProxySelector(String host, int port) {
return new ProxySelector() {
@Override
public List<Proxy> select(URI _uri) {
InetSocketAddress addr = new InetSocketAddress(host, port);
return ImmutableList.of(new Proxy(Proxy.Type.HTTP, addr));
}
@Override
public void connectFailed(URI _uri, SocketAddress _sa, IOException _ioe) {}
};
}
}