Testing a Task

MyTaskTests.cs

[TestFixture]
public class MyTaskTests
{
    private MyTask sut;
    private IRepository<Help> helpRepository;
    private IAnotherRepository anotherRepository;


    [Test]
    public void My_Sample_Test()
    {
        // Arrange
        Another result;
        Another toSave = new Another { MyValue = 1 };
        this.anotherRepository.Stub(a => a.SaveOrUpdate(null)).IgnoreArguments().Return(new Another()); 
        //// You could create a return item above the previous line - assign it properties, etc, then return that instead.

        // Act
        result = this.sut.SaveOrUpdate(toSave);

        // Assert
        this.anotherRepository.AssertWasCalled(a => a.SaveOrUpdate(Arg<Another>.Is.Anything));
        //// Other assertions here.
    }

    [SetUp]
    public void SetUp()
    {
        this.helpRepository = MockRepository.GenerateStub<IRepository<Help>>();
        this.anotherRepository = MockRepository.GenerateStub<IAnotherRepository>();

        this.sut = new MyTask(this.helpRepository, this.anotherRepository);
    }

    [TearDown]
    public void TearDown()
    {
        this.sut = null;
        this.helpRepository = null;
        this.anotherRepository = null;
    }
}

Task.cs

public class MyTask : IMyTask
{
    private readonly IRepository<Help> helpRepository;
    private readonly IAnotherRepository anotherRepository;

    public MyTask(IRepository<Help> helpRepository, IAnotherRepository anotherRepository)
    {
        this.helpRepository = helpRepository;
        this.anotherRepository = anotherRepository;
    }
}