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package org.glassfish.jersey.server.internal.routing;
import java.util.concurrent.ExecutionException;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.process.Inflector;
import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ContainerResponse;
import org.glassfish.jersey.server.RequestContextBuilder;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.ServerProperties;
import org.glassfish.jersey.server.model.ModelProcessor;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.server.model.ResourceModel;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
/**
* Test that sub-resource locators (models and routers) are being cached.
* <p/>
* TODO: proxy (class) tests
*
* @author Michal Gajdos
*/
public class SubResourceLocatorCachingTest {
private static final int INVOCATION_COUNT = 3;
@Path("root")
public static class RootResource {
private static final Resource RESOURCE = createResource();
private static Resource createResource() {
final Resource.Builder builder = Resource.builder();
builder.addMethod("GET").handledBy(new Inflector<ContainerRequestContext, Response>() {
@Override
public Response apply(final ContainerRequestContext containerRequestContext) {
return Response.ok("sub").build();
}
}).build();
return builder.build();
}
@Path("class")
public Class<?> locatorClass() {
return SubResource.class;
}
@Path("concrete-class")
public Class<SubResource> locatorConcreteClass() {
return SubResource.class;
}
@Path("instance")
public SubResource locatorInstance() {
return new SubResource("sub");
}
@Path("resource-from-class")
public Resource locatorResourceFromClass() {
return Resource.from(SubResource.class);
}
@Path("resource-singleton")
public Resource locatorResourceSingleton() {
return RESOURCE;
}
@Path("resource")
public Resource locatorResource() {
return createResource();
}
@Path("object-class")
public Object locatorObjectClass() {
return SubResource.class;
}
@Path("object-instance")
public Object locatorObjectInstance() {
return new SubResource("sub");
}
}
public static class SubResource {
private final String message;
public SubResource() {
this("sub");
}
public SubResource(final String message) {
this.message = message;
}
@GET
public String sub() {
return message;
}
}
public static class CountingModelProcessor implements ModelProcessor {
private volatile int resourceMehtodCalls = 0;
private volatile int subresourceMehtodCalls = 0;
@Override
public ResourceModel processResourceModel(final ResourceModel resourceModel, final Configuration configuration) {
resourceMehtodCalls++;
return resourceModel;
}
@Override
public ResourceModel processSubResource(final ResourceModel subResourceModel, final Configuration configuration) {
subresourceMehtodCalls++;
return subResourceModel;
}
}
private CountingModelProcessor processor;
private ResourceConfig config;
@Before
public void setUp() throws Exception {
processor = new CountingModelProcessor();
config = new ResourceConfig(RootResource.class).register(processor);
}
private void _test(final String requestUri) throws InterruptedException, ExecutionException {
_test(requestUri, 1);
}
private void _test(final String requestUri, final int subResourceCalls) throws InterruptedException, ExecutionException {
_test(requestUri, subResourceCalls, false);
}
private void _test(final String requestUri, final int subResourceCalls, final boolean sleep)
throws InterruptedException, ExecutionException {
final ApplicationHandler applicationHandler = new ApplicationHandler(config);
ContainerResponse response = null;
for (int i = 0; i < INVOCATION_COUNT; i++) {
response = applicationHandler.apply(RequestContextBuilder.from(requestUri, "GET").build()).get();
if (sleep) {
Thread.sleep(1100);
}
}
assertThat(response.getStatus(), is(200));
assertThat((String) response.getEntity(), is("sub"));
// Test how many times model processors method has been called.
assertThat(processor.resourceMehtodCalls, is(1));
assertThat(processor.subresourceMehtodCalls, is(subResourceCalls));
}
@Test
public void testLocatorAsClass() throws Exception {
_test("/root/class");
}
@Test
public void testLocatorAsConcreteClass() throws Exception {
_test("/root/class");
}
@Test
public void testLocatorAsInstance() throws Exception {
_test("/root/instance");
}
@Test
public void testLocatorAsResourceFromClass() throws Exception {
_test("/root/resource-from-class", INVOCATION_COUNT);
}
@Test
public void testLocatorAsResourceSingletonCachingEnabled() throws Exception {
config.property(ServerProperties.SUBRESOURCE_LOCATOR_CACHE_JERSEY_RESOURCE_ENABLED, true);
_test("/root/resource-singleton");
}
@Test
public void testLocatorAsResourceSingletonCachingDisabled() throws Exception {
_test("/root/resource-singleton", INVOCATION_COUNT);
}
@Test
public void testLocatorAsResource() throws Exception {
_test("/root/resource", INVOCATION_COUNT);
}
@Test
public void testLocatorAsClassObject() throws Exception {
_test("/root/object-class");
}
@Test
public void testLocatorAsInstanceObject() throws Exception {
_test("/root/object-instance");
}
@Test
public void testLocatorCacheAging() throws Exception {
config.property(ServerProperties.SUBRESOURCE_LOCATOR_CACHE_AGE, 1);
_test("/root/class", INVOCATION_COUNT, true);
}
@Test
public void testLocatorCacheInvalidAging() throws Exception {
config.property(ServerProperties.SUBRESOURCE_LOCATOR_CACHE_AGE, "foo");
_test("/root/class", 1, true);
}
}