/// <summary>
/// Gets a service using the decorator pattern.
/// </summary>
/// <returns>The service instance.</returns>
/// <param name="serviceType">The service type, typically an interface.</param>
/// <param name="customizationFunc">A customization function, to build the 'shape' of the decorated service.</param>
public object GetDecoratedService(Type serviceType, Func <ICreatesAutofacDecorator, ICustomizesAutofacDecorator> customizationFunc)
{
var builder = new AutofacDecoratorBuilder(resolver, serviceType);
var customizer = (IGetsService)customizationFunc(builder);
return(customizer.GetService());
}
public void UsingInitialImplType_resolves_impl_from_resolver(IResolver resolver, ServiceImpl1 impl)
{
var sut = new AutofacDecoratorBuilder(resolver, typeof(IServiceInterface));
Mock.Get(resolver)
.Setup(x => x.Resolve(typeof(ServiceImpl1), It.IsAny <IEnumerable <Parameter> >()))
.Returns(impl);
var result = sut.UsingInitialImplType(typeof(ServiceImpl1));
Assert.That(result?.Implementation, Is.SameAs(impl));
}
public void UsingInitialImpl_passes_params_to_resolver(IResolver resolver,
ServiceImpl1 impl,
Parameter[] parameters)
{
var sut = new AutofacDecoratorBuilder(resolver, typeof(IServiceInterface));
Mock.Get(resolver)
.Setup(x => x.Resolve <ServiceImpl1>(parameters))
.Returns(impl);
var result = sut.UsingInitialImpl <ServiceImpl1>(parameters);
Assert.That(result?.Implementation, Is.SameAs(impl));
}
public void UsingInitialImplType_throws_exception_if_impl_type_does_not_derive_from_service(IResolver resolver)
{
var sut = new AutofacDecoratorBuilder(resolver, typeof(IServiceInterface));
Assert.That(() => sut.UsingInitialImplType(typeof(DifferentImpl)), Throws.ArgumentException);
}
