Hi Craig
It turns out I was dealing with two different problems, my
misunderstanding of .WithService and most importantly a bug in the CLR
I saw Bill Pierce posted a patch for a bit ago. The SelectDescriptor
only sanitizes the interface when using .FirstInterface(), so when I
was calling .GetInterfaces() from a .Select() call the interface
definition wasn;t getting handled correctly.
It seems like all registrations of services should get passed through
this CLR workaround, yes? If so I can submit a patch that would do
this.
When I change my test to the following I am getting the generic
service registered...removing the workaround call makes the test fail:
[TestFixture]
public class RegistrationTest2
{
[Test]
public void ShouldGetAllLocalTasks()
{
var kernel = new DefaultKernel();
kernel.Register(AllTypes.Of<ILocalTask>().FromAssembly
(Assembly.GetExecutingAssembly())
.WithService.Select((t, b) =>
from type
in t.GetInterfaces()
where
!type.Equals(typeof
(ILocalTask))
select
GetSelectable(type)));
Assert.IsNotNull(kernel.Resolve<ILocalGenericTask<object>>());
}
public Type GetSelectable(Type check)
{
// This is a workaround for a CLR bug in
// which GetInterfaces() returns interfaces
// with no implementations.
if (check.IsGenericType && check.ReflectedType == null)
{
bool shouldUseGenericTypeDefinition = false;
foreach (Type argument in
check.GetGenericArguments())
{
shouldUseGenericTypeDefinition |=
argument.IsGenericParameter;
}
if (shouldUseGenericTypeDefinition)
return check.GetGenericTypeDefinition();
}
return check;
}
}
public interface ILocalTask { }
public interface ILocalGenericTask<T1>:ILocalTask{}
public class Task2<T1> : ILocalGenericTask<T1>{ }
On Dec 23, 4:24 pm, "Craig Neuwirt" <[email protected]> wrote:
> I think you want WithService.Base(). What you had orignally would register
> the type with the implementation type.
>
> On Tue, Dec 23, 2008 at 4:21 PM, Mike Nichols <[email protected]>wrote:
>
>
>
> > OK I got the failing test above working but it seems odd. You have to
> > specify '.FromInterface' explicilty but that seems redundant since you
> > just specified '.BasedOn':
> > [Test]
> > public void ShouldGetAllLocalTasks()
> > {
> > var kernel = new DefaultKernel();
> > kernel.Register(AllTypes.FromAssembly(typeof
> > (RegistrationTest2).Assembly)
> > .BasedOn<ILocalTask>()
> > .WithService
> > .FromInterface(typeof(ILocalTask)));
> > Assert.AreNotEqual<int>(0, kernel.GetHandlers(typeof
> > (ILocalTask)).Length);//pass
> > }
>
> > On Dec 23, 11:45 am, Mike Nichols <[email protected]> wrote:
> > > I updated my trunk just a few days old and all my AllTypes
> > > registrations are broken. The first test below fails.
> > > I have tried BasedOn and it is failing too.
> > > I did update .net 2,3,3.5 with the most recent service packs, so
> > > wonder if that might have something to do with it?
> > > Any ideas?
>
> > > [Test]
> > > public void ShouldGetAllLocalTasks()
> > > {
> > > kernel = new DefaultKernel();
>
> > kernel.Register(AllTypes.Of<ILocalTask>().FromAssembly
> > > (Assembly.GetExecutingAssembly()));
> > > IHandler[] handlers =
> > kernel.GetHandlers(typeof(ILocalTask));
> > > Assert.AreNotEqual(0, handlers.Length);//fails
> > > }
> > > [Test]
> > > public void ShouldRegisterTask()
> > > {
> > > kernel = new DefaultKernel();
>
> > kernel.Register(Component.For<ILocalTask>().ImplementedBy<Task1>
> > > ());
> > > IHandler[] handlers =
> > kernel.GetHandlers(typeof(ILocalTask));
> > > Assert.AreNotEqual(0, handlers.Length);//passes
> > > }
> > > public interface ILocalTask { }
> > > public class Task1 : ILocalTask { }
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