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package org.glassfish.jersey.server.internal.monitoring;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.process.Inflector;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.server.model.ResourceMethod;
import org.glassfish.jersey.server.model.ResourceModel;
import org.glassfish.jersey.server.monitoring.ExecutionStatistics;
import org.glassfish.jersey.server.monitoring.ResourceMethodStatistics;
import org.glassfish.jersey.server.monitoring.ResourceStatistics;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Miroslav Fuksa
*/
public class MonitoringStatisticsTest {
@Path("/test-resource")
public static class TestResource {
@GET
public String get() {
return "get";
}
@Path("child")
@GET
public String childGet() {
return "childGet";
}
@Path("child")
@POST
public void childPost() {
}
@Path("child")
@PUT
public void childPut() {
}
}
@Path("hello")
public static class HelloResource {
@GET
public String get() {
return "hello";
}
@POST
public void post() {
}
@Path("/world")
@GET
public String childGet() {
return "hello-world";
}
}
public static class MyInflector implements Inflector<ContainerRequestContext, Object> {
@Override
public Object apply(ContainerRequestContext containerRequestContext) {
return Response.ok().build();
}
}
@Test
public void testSimpleUris() {
final MonitoringStatisticsImpl stats = getSimpleStats();
final Set<String> keys = stats.getUriStatistics().keySet();
final Iterator<String> iterator = keys.iterator();
Assert.assertEquals("/hello", iterator.next());
Assert.assertEquals("/hello/world", iterator.next());
Assert.assertEquals("/test-resource", iterator.next());
Assert.assertEquals("/test-resource/child", iterator.next());
}
private MonitoringStatisticsImpl getSimpleStats() {
final List<Resource> resources = Stream.of(TestResource.class, HelloResource.class)
.map(Resource::from)
.collect(Collectors.toList());
ResourceModel model = new ResourceModel.Builder(resources, false).build();
MonitoringStatisticsImpl.Builder monBuilder = new MonitoringStatisticsImpl.Builder(model);
return monBuilder.build();
}
private MonitoringStatisticsImpl.Builder getProgStats() {
final Resource.Builder testBuilder = Resource.builder(TestResource.class);
testBuilder.addChildResource("/prog-child").addMethod("GET").handledBy(MyInflector.class);
final List<Resource> resources = new ArrayList<>();
resources.add(testBuilder.build());
resources.add(Resource.from(HelloResource.class));
final Resource.Builder prog = Resource.builder("prog");
prog.addMethod("GET").handledBy(MyInflector.class);
resources.add(prog.build());
ResourceModel model = new ResourceModel.Builder(resources, false).build();
return new MonitoringStatisticsImpl.Builder(model);
}
@Test
public void testSimpleResourceClasses() {
final MonitoringStatisticsImpl stats = getSimpleStats();
final Set<Class<?>> keys = stats.getResourceClassStatistics().keySet();
final Iterator<Class<?>> it = keys.iterator();
Assert.assertEquals(HelloResource.class, it.next());
Assert.assertEquals(TestResource.class, it.next());
}
@Test
public void testResourceClassesWithProgrammaticResources() {
final MonitoringStatisticsImpl stats = getProgStats().build();
final Set<Class<?>> keys = stats.getResourceClassStatistics().keySet();
final Iterator<Class<?>> it = keys.iterator();
Assert.assertEquals(HelloResource.class, it.next());
Assert.assertEquals(MyInflector.class, it.next());
Assert.assertEquals(TestResource.class, it.next());
}
@Test
public void testUrisWithProgrammaticResources() {
final MonitoringStatisticsImpl stats = getProgStats().build();
final Iterator<Map.Entry<String, ResourceStatistics>> it = stats.getUriStatistics().entrySet().iterator();
check(it, "/hello", 2);
check(it, "/hello/world", 1);
check(it, "/prog", 1);
check(it, "/test-resource", 1);
check(it, "/test-resource/child", 3);
check(it, "/test-resource/prog-child", 1);
}
@Test
public void testUrisWithProgrammaticResourcesAndExecution() {
final MonitoringStatisticsImpl.Builder statBuilder = getProgStats();
final Resource.Builder resourceBuilder = Resource.builder();
resourceBuilder.addMethod("GET").handledBy(MyInflector.class);
resourceBuilder.addMethod("POST").handledBy(MyInflector.class);
final Resource res = resourceBuilder.build();
ResourceMethod getMethod;
ResourceMethod postMethod;
if (res.getResourceMethods().get(0).getHttpMethod().equals("GET")) {
getMethod = res.getResourceMethods().get(0);
postMethod = res.getResourceMethods().get(1);
} else {
getMethod = res.getResourceMethods().get(1);
postMethod = res.getResourceMethods().get(0);
}
statBuilder.addExecution("/new/elefant", getMethod, 10, 5, 8, 8);
statBuilder.addExecution("/new/elefant", getMethod, 20, 12, 18, 10);
statBuilder.addExecution("/new/elefant", postMethod, 30, 2, 28, 4);
final MonitoringStatisticsImpl stat = statBuilder.build();
final Iterator<Map.Entry<String, ResourceStatistics>> it = stat.getUriStatistics().entrySet().iterator();
check(it, "/hello", 2);
check(it, "/hello/world", 1);
check(it, "/new/elefant", 2);
check(it, "/prog", 1);
check(it, "/test-resource", 1);
check(it, "/test-resource/child", 3);
check(it, "/test-resource/prog-child", 1);
final Map<ResourceMethod, ResourceMethodStatistics> resourceMethodStatistics
= stat.getUriStatistics().get("/new/elefant").getResourceMethodStatistics();
for (ResourceMethodStatistics methodStatistics : resourceMethodStatistics.values()) {
final ResourceMethod method = methodStatistics.getResourceMethod();
final ExecutionStatistics st = methodStatistics.getMethodStatistics();
if (method.getHttpMethod().equals("GET")) {
Assert.assertEquals(20, st.getLastStartTime().getTime());
} else if (method.getHttpMethod().equals("POST")) {
Assert.assertEquals(30, st.getLastStartTime().getTime());
} else {
Assert.fail();
}
}
}
private void check(Iterator<Map.Entry<String, ResourceStatistics>> it,
String expectedUri, int expectedMethods) {
Map.Entry<String, ResourceStatistics> entry = it.next();
Assert.assertEquals(expectedUri, entry.getKey());
Assert.assertEquals(expectedMethods, entry.getValue().getResourceMethodStatistics().size());
}
}