public void ShouldFailIfTypeToDecorateDoesNotExist()
{
var sut = new NSubContainer();
var ex = Assert.Throws <ArgumentException>(
() => sut.Decorate <ITestInterface>((impl, r) => new TestImplDecorator(impl)));
Assert.That(ex.Message, Contains.Substring("implementation is not registered"));
}
public void ShouldDecorateWhenRegisteredOnSameContainer()
{
var sut = new NSubContainer();
sut.Register <ITestInterface, TestImplSingleCtor>(NSubLifetime.Transient);
sut.Decorate <ITestInterface>((impl, r) => new TestImplDecorator(impl));
var result = sut.Resolve <ITestInterface>();
Assert.That(result, Is.TypeOf <TestImplDecorator>());
}
public void ShouldUseSameLifetimeForDecorator_SingletonCase()
{
var sut = new NSubContainer();
sut.Register <ITestInterface, TestImplSingleCtor>(NSubLifetime.Singleton);
sut.Decorate <ITestInterface>((impl, r) => new TestImplDecorator(impl));
var result1 = sut.Resolve <ITestInterface>();
var result2 = sut.Resolve <ITestInterface>();
Assert.That(result1, Is.SameAs(result2));
Assert.That(((TestImplDecorator)result1).Inner, Is.SameAs(((TestImplDecorator)result2).Inner));
}