public void GetAll_can_filter_by_type_into_contained_providers(IServiceRegistrationProvider[] providers)
{
// Arrange
var type = typeof(ISampleService);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.GetAll(type);
// Assert
Mock.Get(providers[0]).Verify(x => x.GetAll(type), Times.Once);
Mock.Get(providers[1]).Verify(x => x.GetAll(type), Times.Once);
Mock.Get(providers[2]).Verify(x => x.GetAll(type), Times.Once);
}
public void HasRegistration_returns_false_if_no_contained_provider_has_the_key(IServiceRegistrationProvider[] providers,
ServiceRegistrationKey key)
{
// Arrange
Mock.Get(providers[0]).Setup(x => x.HasRegistration(key)).Returns(false);
Mock.Get(providers[1]).Setup(x => x.HasRegistration(key)).Returns(false);
Mock.Get(providers[2]).Setup(x => x.HasRegistration(key)).Returns(false);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.HasRegistration(key);
// Assert
Assert.That(result, Is.False);
}
public void CanFulfilRequest_returns_false_if_no_contained_provider_can_fulfil_the_request(IServiceRegistrationProvider[] providers,
ResolutionRequest request)
{
// Arrange
Mock.Get(providers[0]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
Mock.Get(providers[1]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
Mock.Get(providers[2]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.CanFulfilRequest(request);
// Assert
Assert.That(result, Is.False);
}
public void HasRegistration_returns_true_if_any_contained_provider_has_the_registration(IServiceRegistrationProvider[] providers,
IServiceRegistration registration)
{
// Arrange
Mock.Get(providers[0]).Setup(x => x.HasRegistration(registration)).Returns(false);
Mock.Get(providers[1]).Setup(x => x.HasRegistration(registration)).Returns(true);
Mock.Get(providers[2]).Setup(x => x.HasRegistration(registration)).Returns(false);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.HasRegistration(registration);
// Assert
Assert.That(result, Is.True);
}
public void GetAll_does_not_return_registrations_which_are_overridden_in_child_registries(IServiceRegistrationProvider[] providers,
[Registration(Name = "Same")] IServiceRegistration overriddenRegistration,
[Registration(Name = "Same")] IServiceRegistration overridingRegistration)
{
// Arrange
Mock.Get(providers[2]).Setup(x => x.GetAll()).Returns(new [] { overriddenRegistration });
Mock.Get(providers[0]).Setup(x => x.GetAll()).Returns(new [] { overridingRegistration });
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.GetAll();
// Assert
Assert.That(result, Has.Exactly(1).Items);
Assert.That(result, Has.One.SameAs(overridingRegistration));
}
public void Get_gets_from_the_first_provider_which_can_fulfil_the_request(IServiceRegistrationProvider[] providers,
ResolutionRequest request,
IServiceRegistration registration)
{
// Arrange
Mock.Get(providers[0]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
Mock.Get(providers[1]).Setup(x => x.CanFulfilRequest(request)).Returns(true);
Mock.Get(providers[1]).Setup(x => x.Get(request)).Returns(registration);
Mock.Get(providers[2]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.Get(request);
// Assert
Assert.That(result, Is.SameAs(registration));
}
public void GetAll_can_merge_non_conflicting_registrations_from_multiple_providers(IServiceRegistrationProvider[] providers,
[Registration(Name = "One")] IServiceRegistration registration1,
[Registration(Name = "Two")] IServiceRegistration registration2)
{
// Arrange
Mock.Get(providers[2]).Setup(x => x.GetAll()).Returns(new [] { registration1 });
Mock.Get(providers[0]).Setup(x => x.GetAll()).Returns(new [] { registration2 });
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.GetAll();
// Assert
Assert.That(result, Has.Exactly(2).Items);
Assert.That(result, Has.One.SameAs(registration1));
Assert.That(result, Has.One.SameAs(registration2));
}
public void Get_only_gets_from_the_first_provider_which_can_fulfil_a_request(IServiceRegistrationProvider[] providers,
ResolutionRequest request,
IServiceRegistration registration)
{
// Arrange
Mock.Get(providers[0]).Setup(x => x.CanFulfilRequest(request)).Returns(false);
Mock.Get(providers[1]).Setup(x => x.CanFulfilRequest(request)).Returns(true);
Mock.Get(providers[1]).Setup(x => x.Get(request)).Returns(registration);
Mock.Get(providers[2]).Setup(x => x.CanFulfilRequest(request)).Returns(true);
Mock.Get(providers[2]).Setup(x => x.Get(request)).Returns(registration);
var sut = new StackOfRegistriesRegistrationProvider(providers);
// Act
var result = sut.Get(request);
// Assert
Mock.Get(providers[1]).Verify(x => x.Get(request), Times.Once);
Mock.Get(providers[2]).Verify(x => x.Get(request), Times.Never);
}
