/*
* 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.servlet.test.metrics;
import java.io.IOException;
import javax.servlet.DispatcherType;
import javax.servlet.ServletException;
import io.undertow.server.handlers.MetricsHandler;
import io.undertow.server.handlers.PathHandler;
import io.undertow.servlet.api.DeploymentInfo;
import io.undertow.servlet.api.DeploymentManager;
import io.undertow.servlet.api.FilterInfo;
import io.undertow.servlet.api.ServletContainer;
import io.undertow.servlet.api.ServletInfo;
import io.undertow.servlet.test.defaultservlet.DefaultServletTestCase;
import io.undertow.servlet.test.defaultservlet.HelloFilter;
import io.undertow.servlet.test.path.ServletPathMappingTestCase;
import io.undertow.servlet.test.util.TestClassIntrospector;
import io.undertow.servlet.test.util.TestResourceLoader;
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;
/**
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
public class ServletMetricsHandlerTestCase {
private static TestMetricsCollector metricsCollector = new TestMetricsCollector();
private static CompletionLatchHandler completionLatchHandler;
@BeforeClass
public static void setup() throws ServletException {
final PathHandler root = new PathHandler();
final ServletContainer container = ServletContainer.Factory.newInstance();
DeploymentInfo builder = new DeploymentInfo()
.setClassIntrospecter(TestClassIntrospector.INSTANCE)
.setClassLoader(ServletPathMappingTestCase.class.getClassLoader())
.setContextPath("/servletContext")
.setDeploymentName("servletContext.war")
.setResourceManager(new TestResourceLoader(DefaultServletTestCase.class));
builder.addServlet(new ServletInfo("MetricTestServlet", MetricTestServlet.class)
.addMapping("/path/default"));
builder.addFilter(new FilterInfo("Filter", HelloFilter.class));
builder.addFilterUrlMapping("Filter", "/filterpath/*", DispatcherType.REQUEST);
builder.setMetricsCollector(metricsCollector);
DeploymentManager manager = container.addDeployment(builder);
manager.deploy();
root.addPrefixPath(builder.getContextPath(), manager.start());
DefaultServer.setRootHandler(completionLatchHandler = new CompletionLatchHandler(root));
}
@Test
public void testMetrics() throws IOException, InterruptedException {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/servletContext/path/default");
TestHttpClient client = new TestHttpClient();
try {
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertTrue(HttpClientUtils.readResponse(result).contains("metric"));
completionLatchHandler.await();
completionLatchHandler.reset();
MetricsHandler.MetricResult metrics = metricsCollector.getMetrics("MetricTestServlet");
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.assertTrue(HttpClientUtils.readResponse(result).contains("metric"));
completionLatchHandler.await();
completionLatchHandler.reset();
metrics = metricsCollector.getMetrics("MetricTestServlet");
Assert.assertEquals(2, metrics.getTotalRequests());
} finally {
client.getConnectionManager().shutdown();
}
}
}