// Copyright 2006 The Apache Software Foundation
//
// 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.apache.tapestry.ioc.internal;
import static java.util.Arrays.asList;
import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newList;
import java.util.List;
import org.apache.tapestry.ioc.ObjectCreator;
import org.apache.tapestry.ioc.ServiceDecorator;
import org.testng.annotations.Test;
public class InterceptorStackBuilderTest extends IOCInternalTestCase
{
private static final String SERVICE_ID = "foo.bar.Baz";
@Test
public void no_decorators()
{
ObjectCreator core = newObjectCreator();
Module module = newModule();
Object coreObject = new Object();
List<ServiceDecorator> decorators = newList();
train_createObject(core, coreObject);
train_findDecoratorsForService(module, SERVICE_ID, decorators);
replay();
ObjectCreator isb = new InterceptorStackBuilder(module, SERVICE_ID, core);
Object intercepted = isb.createObject();
assertSame(intercepted, coreObject);
verify();
}
@Test
public void decorator_returns_null_interceptor()
{
ObjectCreator core = newObjectCreator();
Module module = newModule();
Object coreObject = new Object();
ServiceDecorator decorator = newServiceDecorator();
List<ServiceDecorator> decorators = asList(decorator);
train_createObject(core, coreObject);
train_findDecoratorsForService(module, SERVICE_ID, decorators);
train_createInterceptor(decorator, coreObject, null);
replay();
ObjectCreator isb = new InterceptorStackBuilder(module, SERVICE_ID, core);
Object intercepted = isb.createObject();
assertSame(intercepted, coreObject);
verify();
}
@Test
public void decorator_orderering()
{
ObjectCreator core = newObjectCreator();
Module module = newModule();
Object coreObject = new Object();
Object interceptor1 = new Object();
Object interceptor2 = new Object();
ServiceDecorator decorator1 = newServiceDecorator();
ServiceDecorator decorator2 = newServiceDecorator();
List<ServiceDecorator> decorators = asList(decorator1, decorator2);
train_createObject(core, coreObject);
train_findDecoratorsForService(module, SERVICE_ID, decorators);
// Notice: reverse order!
train_createInterceptor(decorator2, coreObject, interceptor2);
train_createInterceptor(decorator1, interceptor2, interceptor1);
replay();
ObjectCreator isb = new InterceptorStackBuilder(module, SERVICE_ID, core);
Object intercepted = isb.createObject();
assertSame(intercepted, interceptor1);
verify();
}
}