public void Add_LookUp()
{
// Arrange
var services = new ServiceCollection();
var registrar = new KeyedServiceRegistrar(services);
// Act
registrar.Add <IMyService, MyService1>("MY_KEY");
Type t = registrar.LookUp <IMyService>("MY_KEY");
// Assert
Assert.That(t, Is.EqualTo(typeof(MyService1)));
}
public void LookUp_DoesNotExist()
{
// Arrange
var services = new ServiceCollection();
var registrar = new KeyedServiceRegistrar(services);
// Act
registrar.Add <IMyService, MyService1>("MY_KEY");
Type t = registrar.LookUp <IMyService>("DOES_NOT_EXIST");
// Assert
Assert.That(t, Is.Null);
}
public void LookUp_InterfaceTypeIsNull()
{
// Arrange
var serviceCollection = new ServiceCollection();
var registrar = new KeyedServiceRegistrar(serviceCollection);
// Act
// ReSharper disable once MustUseReturnValue
// ReSharper disable once AssignNullToNotNullAttribute
var ex = Assert.Throws <ArgumentNullException>(() => registrar.LookUp(null, key: "KEY"));
// Assert
Assert.That(ex.ParamName, Is.EqualTo("interfaceType"));
}
