ok, I found a test:
UseChildComponentsForParentDependenciesWhenRequestedFromChild
however this scenario is different because there is a component in
parent container. Although the child component gets picked over parent
component, it does not cover the scenario where parent does not have the
service. So it's still a bug :)
On 2010-05-09 22:36, Neal Blomfield wrote:
Not sure what I am doing wrong here as according to IOC-56 ( which has
been applied ) the following scenario should work:
Register IServiceSix + implementation in parent container.
IServiceSix impl depends on IServiceThree.
Register IServiceThree + implementation in child container.
Resolve IServiceSix via child container. Expected that IServiceThree
dependency is satisfied by child container, but getting a handler
exception:
Castle.MicroKernel.Handlers.HandlerException: Can't create component
'ServiceSix' as it has dependencies to be satisfied.
ServiceSix is waiting for the following dependencies:
Services:
-
Castle.Windsor.Tests.SubContainers.ChildContainerSingleResolutionTestCase
+IServiceThree which was not registered.
Relevant parts of the unit test shown below, full unit test is at
http://gist.github.com/395377. Please note that uncommenting the
commented out line in the gist makes the test pass.
using NUnit.Framework;
namespace Castle.Windsor.Tests.SubContainers
{
[TestFixture]
public class ChildContainerSingleResolutionTestCase
{
private IWindsorContainer parentContainer;
private IWindsorContainer childContainer;
[SetUp]
public void Init()
{
parentContainer = new WindsorContainer();
parentContainer.AddComponent("ServiceOne",
typeof(IServiceOne), typeof(ServiceOneImpl));
parentContainer.AddComponent("ServiceTwo",
typeof(IServiceTwo), typeof(ServiceTwoImpl));
parentContainer.AddComponent("ServiceSix",
typeof(IServiceSix), typeof(ServiceSixImpl));
childContainer = new WindsorContainer();
parentContainer.AddChildContainer(childContainer);
childContainer.AddComponent("ServiceThree",
typeof(IServiceThree), typeof(ServiceThreeImpl));
childContainer.AddComponent("ServiceFour",
typeof(IServiceFour), typeof(ServiceFourImpl));
childContainer.AddComponent("ServiceFive",
typeof(IServiceFive), typeof(ServiceFiveImpl));
}
[Test]
public void
ResolveComplexServiceRegisteredInParentWithDependenciesRegisteredInChild()
{
IServiceThree serviceThree =
childContainer.Resolve<IServiceThree>(); //Proves that IServiceThree
can be resolved via child
Assert.IsNotNull( serviceThree );
Assert.IsInstanceOf<ServiceThreeImpl>( serviceThree );
IServiceSix serviceSix =
childContainer.Resolve<IServiceSix>(); // This line fails =(
Assert.IsNotNull( serviceSix );
Assert.IsNotNull( serviceSix.GetServiceThree() );
Assert.IsInstanceOf<ServiceThreeImpl>( serviceSix.GetServiceThree() );
}
public interface IServiceOne { }
public class ServiceOneImpl : IServiceOne { }
public interface IServiceTwo
{
IServiceOne GetServiceOne();
}
public class ServiceTwoImpl : IServiceTwo
{
private readonly IServiceOne serviceOne;
public ServiceTwoImpl(IServiceOne serviceOne)
{
this.serviceOne = serviceOne;
}
public IServiceOne GetServiceOne()
{
return serviceOne;
}
}
public interface IServiceThree { }
public class ServiceThreeImpl : IServiceThree { }
public class ServiceThreeAImpl : IServiceThree { }
public interface IServiceFour
{
IServiceThree GetServiceThree();
}
public class ServiceFourImpl : IServiceFour
{
private readonly IServiceThree serviceThree;
public ServiceFourImpl(IServiceThree serviceThree)
{
this.serviceThree = serviceThree;
}
public IServiceThree GetServiceThree()
{
return serviceThree;
}
}
public interface IServiceFive
{
IServiceOne GetServiceOne();
}
public class ServiceFiveImpl : IServiceFive
{
private readonly IServiceOne serviceOne;
public ServiceFiveImpl(IServiceOne serviceOne)
{
this.serviceOne = serviceOne;
}
public IServiceOne GetServiceOne()
{
return serviceOne;
}
}
public interface IServiceSix
{
IServiceThree GetServiceThree();
}
public class ServiceSixImpl : IServiceSix
{
private readonly IServiceThree serviceThree;
public ServiceSixImpl(IServiceThree serviceThree)
{
this.serviceThree = serviceThree;
}
public IServiceThree GetServiceThree()
{
return serviceThree;
}
}
}
}
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