public void CreateHandler_WhenContractTypeNotSatisfiedByObjectType_Throws()
{
var factory = new SingletonHandlerFactory();
var dependencyResolver = MockRepository.GenerateStub <IObjectDependencyResolver>();
var ex = Assert.Throws <RuntimeException>(() => factory.CreateHandler(dependencyResolver,
typeof(IService), typeof(ComponentThatDoesNotImplementIService), new PropertySet()));
Assert.AreEqual(string.Format("Could not satisfy contract of type '{0}' by creating an instance of type '{1}'.",
typeof(IService), typeof(ComponentThatDoesNotImplementIService)), ex.Message);
}
public void CreateHandler_WhenArgumentsValid_ReturnsAHandlerThatGeneratesTheSameComponentInstanceEachTime()
{
var factory = new SingletonHandlerFactory();
var dependencyResolver = MockRepository.GenerateStub <IObjectDependencyResolver>();
var handler = factory.CreateHandler(dependencyResolver,
typeof(IService), typeof(Component), new PropertySet());
var instance1 = handler.Activate();
Assert.IsInstanceOfType <Component>(instance1);
var instance2 = handler.Activate();
Assert.AreSame(instance1, instance2, "Should return same instance each time because the component is considered a singleton.");
}
