// Copyright 2006, 2007, 2009 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.tapestry5.ioc.internal;
import org.apache.tapestry5.ioc.ObjectCreator;
import org.apache.tapestry5.ioc.def.ServiceDef;
import org.slf4j.Logger;
import org.testng.annotations.Test;
public class RecursiveServiceCreationCheckWrapperTest extends IOCInternalTestCase
{
private static final String SOURCE_DESCRIPTION = "{SOURCE DESCRIPTION}";
@Test
public void ensure_only_called_once() throws Exception
{
Logger logger = mockLogger();
ObjectCreatorSource source = mockObjectCreatorSource();
ObjectCreator delegate = mockObjectCreator();
Object service = new Object();
ServiceDef def = new ServiceDefImpl(Runnable.class, "Bar", null, "singleton", false, false, source);
train_createObject(delegate, service);
train_getDescription(source, SOURCE_DESCRIPTION);
replay();
ObjectCreator wrapper = new RecursiveServiceCreationCheckWrapper(def, delegate, logger);
assertSame(wrapper.createObject(), service);
try
{
wrapper.createObject();
unreachable();
}
catch (IllegalStateException ex)
{
assertMessageContains(
ex,
"Construction of service 'Bar' has failed due to recursion: the service depends on itself in some way.",
SOURCE_DESCRIPTION,
"for references to another service that is itself dependent on service 'Bar'.");
}
verify();
}
@Test
public void reporting_of_construction_failure() throws Exception
{
RuntimeException failure = new RuntimeException("Just cranky.");
Logger logger = mockLogger();
ObjectCreatorSource source = mockObjectCreatorSource();
ObjectCreator delegate = mockObjectCreator();
Object service = new Object();
ServiceDef def = new ServiceDefImpl(Runnable.class, "Bar", null, "singleton", false, false, source);
expect(delegate.createObject()).andThrow(failure);
logger.error("Construction of service Bar failed: Just cranky.", failure);
replay();
ObjectCreator wrapper = new RecursiveServiceCreationCheckWrapper(def, delegate, logger);
try
{
wrapper.createObject();
unreachable();
}
catch (RuntimeException ex)
{
assertSame(ex, failure);
}
verify();
// Now test that the locked flag is not set and that the object may still be created.
train_createObject(delegate, service);
replay();
assertSame(service, wrapper.createObject());
verify();
}
}