/*
* Copyright 2016 the original author or authors.
*
* 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 org.glowroot.agent.plugin.netty;
import java.net.ServerSocket;
import org.apache.http.NoHttpResponseException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.glowroot.agent.it.harness.AppUnderTest;
import org.glowroot.agent.it.harness.Container;
import org.glowroot.agent.it.harness.Containers;
import org.glowroot.wire.api.model.TraceOuterClass.Trace;
import static org.assertj.core.api.Assertions.assertThat;
public class NettyIT {
private static Container container;
@BeforeClass
public static void setUp() throws Exception {
container = Containers.create();
}
@AfterClass
public static void tearDown() throws Exception {
container.close();
}
@After
public void afterEachTest() throws Exception {
container.checkAndReset();
}
@Test
public void shouldCaptureHttpGet() throws Exception {
// when
Trace trace = container.execute(ExecuteHttpGet.class);
// then
assertThat(trace.getHeader().getTransactionName()).isEqualTo("/abc");
assertThat(trace.getHeader().getHeadline()).isEqualTo("GET /abc?xyz=123");
assertThat(trace.getEntryList()).isEmpty();
}
@Test
public void shouldCaptureHttpChunkedResponse() throws Exception {
// when
Trace trace = container.execute(ExecuteHttpChunked.class);
// then
assertThat(trace.getHeader().getTransactionName()).isEqualTo("/chunked");
assertThat(trace.getEntryList()).isEmpty();
}
@Test
public void shouldCaptureHttpGetWithException() throws Exception {
// when
Trace trace = container.execute(ExecuteHttpGetWithException.class);
// then
assertThat(trace.getHeader().getTransactionName()).isEqualTo("/exception");
assertThat(trace.getHeader().getPartial()).isFalse();
assertThat(trace.getEntryList()).isEmpty();
}
private static int getAvailablePort() throws Exception {
ServerSocket serverSocket = new ServerSocket(0);
int port = serverSocket.getLocalPort();
serverSocket.close();
return port;
}
public static class ExecuteHttpGet implements AppUnderTest {
@Override
public void executeApp() throws Exception {
int port = getAvailablePort();
HttpServer server = new HttpServer(port);
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://localhost:" + port + "/abc?xyz=123");
int statusCode = httpClient.execute(httpGet).getStatusLine().getStatusCode();
if (statusCode != 200) {
throw new IllegalStateException("Unexpected status code: " + statusCode);
}
server.close();
}
}
public static class ExecuteHttpChunked implements AppUnderTest {
@Override
public void executeApp() throws Exception {
int port = getAvailablePort();
HttpServer server = new HttpServer(port);
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://localhost:" + port + "/chunked");
int statusCode = httpClient.execute(httpGet).getStatusLine().getStatusCode();
if (statusCode != 200) {
throw new IllegalStateException("Unexpected status code: " + statusCode);
}
server.close();
}
}
public static class ExecuteHttpGetWithException implements AppUnderTest {
@Override
public void executeApp() throws Exception {
int port = getAvailablePort();
HttpServer server = new HttpServer(port);
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://localhost:" + port + "/exception");
try {
httpClient.execute(httpGet);
} catch (NoHttpResponseException e) {
}
server.close();
}
}
}