/*
* Copyright (c) 2012, Paul Merlin.
*
* 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.qi4j.runtime.structure;
import java.util.Iterator;
import org.junit.Test;
import org.qi4j.api.activation.ActivationException;
import org.qi4j.api.composite.AmbiguousTypeException;
import org.qi4j.api.entity.Identity;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.service.ServiceReference;
import org.qi4j.api.structure.Module;
import org.qi4j.api.unitofwork.UnitOfWork;
import org.qi4j.api.unitofwork.UnitOfWorkCompletionException;
import org.qi4j.bootstrap.AssemblyException;
import org.qi4j.bootstrap.ModuleAssembly;
import org.qi4j.bootstrap.SingletonAssembler;
import org.qi4j.functional.Iterables;
import org.qi4j.test.EntityTestAssembler;
import static org.junit.Assert.*;
/**
* Theses tests ensure that Type to Composite lookup work as expected for
* Objects, Transients, Values, Entities and Services.
*/
public class TypeToCompositeLookupTest
{
private static final String CATHEDRAL = "cathedral";
private static final String BAZAR = "bazar";
public interface Foo
{
String bar();
}
public static class BasicFooImpl
implements Foo
{
@Override
public String bar()
{
return BAZAR;
}
}
public static class SomeOtherFooImpl
extends BasicFooImpl
{
@Override
public String bar()
{
return CATHEDRAL;
}
}
@Mixins( BasicFooImpl.class )
public interface BasicFoo
extends Foo
{
}
@Mixins( SomeOtherFooImpl.class )
public interface SomeOtherFoo
extends BasicFoo
{
}
@Test
public void objects()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.objects( SomeOtherFooImpl.class );
}
}.module();
assertEquals( CATHEDRAL, module.newObject( SomeOtherFooImpl.class ).bar() );
assertEquals( CATHEDRAL, module.newObject( BasicFooImpl.class ).bar() );
assertEquals( CATHEDRAL, module.newObject( Foo.class ).bar() );
}
@Test
public void objectsAmbiguousDeclaration()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.objects( SomeOtherFooImpl.class, BasicFooImpl.class );
}
}.module();
assertEquals( CATHEDRAL, module.newObject( SomeOtherFooImpl.class ).bar() );
assertEquals( BAZAR, module.newObject( BasicFooImpl.class ).bar() );
try
{
module.newObject( Foo.class );
fail( "Ambiguous type exception not detected for Objects" );
}
catch( AmbiguousTypeException expected )
{
}
}
@Test
public void transients()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.transients( SomeOtherFoo.class );
}
}.module();
assertEquals( CATHEDRAL, module.newTransientBuilder( SomeOtherFoo.class ).newInstance().bar() );
assertEquals( CATHEDRAL, module.newTransientBuilder( BasicFoo.class ).newInstance().bar() );
assertEquals( CATHEDRAL, module.newTransientBuilder( Foo.class ).newInstance().bar() );
}
@Test
public void transientsAmbiguousDeclaration()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.transients( SomeOtherFoo.class, BasicFoo.class );
}
}.module();
assertEquals( CATHEDRAL, module.newTransientBuilder( SomeOtherFoo.class ).newInstance().bar() );
assertEquals( BAZAR, module.newTransientBuilder( BasicFoo.class ).newInstance().bar() );
try
{
module.newTransientBuilder( Foo.class );
fail( "Ambiguous type exception not detected for Transients" );
}
catch( AmbiguousTypeException expected )
{
}
}
@Test
public void values()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.values( SomeOtherFoo.class );
}
}.module();
assertEquals( CATHEDRAL, module.newValueBuilder( SomeOtherFoo.class ).newInstance().bar() );
assertEquals( CATHEDRAL, module.newValueBuilder( BasicFoo.class ).newInstance().bar() );
assertEquals( CATHEDRAL, module.newValueBuilder( Foo.class ).newInstance().bar() );
}
@Test
public void valuesAmbiguousDeclaration()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.values( SomeOtherFoo.class, BasicFoo.class );
}
}.module();
assertEquals( CATHEDRAL, module.newValueBuilder( SomeOtherFoo.class ).newInstance().bar() );
assertEquals( BAZAR, module.newValueBuilder( BasicFoo.class ).newInstance().bar() );
try
{
module.newValueBuilder( Foo.class );
fail( "Ambiguous type exception not detected for Values" );
}
catch( AmbiguousTypeException expected )
{
}
}
@Test
public void entities()
throws UnitOfWorkCompletionException, ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
new EntityTestAssembler().assemble( module );
module.entities( SomeOtherFoo.class );
}
}.module();
UnitOfWork uow = module.newUnitOfWork();
SomeOtherFoo someOtherFoo = uow.newEntityBuilder( SomeOtherFoo.class ).newInstance();
BasicFoo basicFoo = uow.newEntityBuilder( BasicFoo.class ).newInstance();
Foo foo = uow.newEntityBuilder( Foo.class ).newInstance();
assertEquals( CATHEDRAL, someOtherFoo.bar() );
assertEquals( CATHEDRAL, basicFoo.bar() );
assertEquals( CATHEDRAL, foo.bar() );
String someOtherFooIdentity = ( (Identity) someOtherFoo ).identity().get();
String basicFooIdentity = ( (Identity) basicFoo ).identity().get();
String fooIdentity = ( (Identity) foo ).identity().get();
uow.complete();
uow = module.newUnitOfWork();
uow.get( SomeOtherFoo.class, someOtherFooIdentity );
uow.get( BasicFoo.class, basicFooIdentity );
uow.get( Foo.class, fooIdentity );
uow.discard();
}
@Test
public void entitiesAmbiguousDeclaration()
throws UnitOfWorkCompletionException, ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
new EntityTestAssembler().assemble( module );
module.entities( SomeOtherFoo.class, BasicFoo.class );
}
}.module();
UnitOfWork uow = module.newUnitOfWork();
SomeOtherFoo someOtherFoo = uow.newEntityBuilder( SomeOtherFoo.class ).newInstance();
BasicFoo basicFoo = uow.newEntityBuilder( BasicFoo.class ).newInstance();
try
{
uow.newEntityBuilder( Foo.class ).newInstance();
fail( "Ambiguous type exception not detected for Entities" );
}
catch( AmbiguousTypeException expected )
{
}
// Specific Type used
assertEquals( CATHEDRAL, uow.newEntityBuilder( SomeOtherFoo.class ).newInstance().bar() );
// Specific Type used
assertEquals( BAZAR, uow.newEntityBuilder( BasicFoo.class ).newInstance().bar() );
String someOtherFooIdentity = ( (Identity) someOtherFoo ).identity().get();
String basicFooIdentity = ( (Identity) basicFoo ).identity().get();
uow.complete();
uow = module.newUnitOfWork();
assertEquals( CATHEDRAL, uow.get( SomeOtherFoo.class, someOtherFooIdentity ).bar() );
assertEquals( BAZAR, uow.get( BasicFoo.class, basicFooIdentity ).bar() );
assertEquals( CATHEDRAL, uow.get( Foo.class, someOtherFooIdentity ).bar() );
assertEquals( BAZAR, uow.get( Foo.class, basicFooIdentity ).bar() );
uow.discard();
}
@Test
public void services()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.services( SomeOtherFoo.class );
}
}.module();
assertEquals( CATHEDRAL, module.findService( SomeOtherFoo.class ).get().bar() );
assertEquals( CATHEDRAL, module.findService( BasicFoo.class ).get().bar() );
assertEquals( CATHEDRAL, module.findService( Foo.class ).get().bar() );
}
@Test
public void servicesPluralDeclaration()
throws ActivationException, AssemblyException
{
Module module = new SingletonAssembler()
{
@Override
public void assemble( ModuleAssembly module )
throws AssemblyException
{
module.services( SomeOtherFoo.class, BasicFoo.class );
}
}.module();
assertEquals( 1, Iterables.count( module.findServices( SomeOtherFoo.class ) ) );
assertEquals( 2, Iterables.count( module.findServices( BasicFoo.class ) ) );
assertEquals( 2, Iterables.count( module.findServices( Foo.class ) ) );
assertEquals( CATHEDRAL, module.findService( SomeOtherFoo.class ).get().bar() );
// Exact type match first even if it is assembled _after_ an assignable, the assignable comes after
Iterator<ServiceReference<BasicFoo>> basicFoos = module.findServices( BasicFoo.class ).iterator();
assertEquals( BAZAR, basicFoos.next().get().bar() );
assertEquals( CATHEDRAL, basicFoos.next().get().bar() );
assertFalse( basicFoos.hasNext() );
// No exact type match, all assembled are assignable, follows assembly Type order
Iterator<ServiceReference<Foo>> foos = module.findServices( Foo.class ).iterator();
assertEquals( CATHEDRAL, foos.next().get().bar() );
assertEquals( BAZAR, foos.next().get().bar() );
assertFalse( foos.hasNext() );
}
}