/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.server.handlers;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.CompletionLatchHandler;
import io.undertow.util.StatusCodes;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.IOException;
/**
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
public class MetricsHandlerTestCase {
private static MetricsHandler metricsHandler;
private static CompletionLatchHandler latchHandler;
@BeforeClass
public static void setup() {
DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(metricsHandler = new MetricsHandler(new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
Thread.sleep(100);
exchange.getResponseSender().send("Hello");
}
})));
}
@Test
public void testMetrics() throws IOException, InterruptedException {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
TestHttpClient client = new TestHttpClient();
try {
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
latchHandler.await();
latchHandler.reset();
MetricsHandler.MetricResult metrics = metricsHandler.getMetrics();
Assert.assertEquals(1, metrics.getTotalRequests());
Assert.assertTrue(metrics.getMaxRequestTime() > 0);
Assert.assertEquals(metrics.getMinRequestTime(), metrics.getMaxRequestTime());
Assert.assertEquals(metrics.getMaxRequestTime(), metrics.getTotalRequestTime());
result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
latchHandler.await();
latchHandler.reset();
metrics = metricsHandler.getMetrics();
Assert.assertEquals(2, metrics.getTotalRequests());
} finally {
client.getConnectionManager().shutdown();
}
}
}