tests.cs

[TestFixture]
    public class ProductBLTests
    {
        [Test]
        public void GetProductsTest()
        {
            MockRepository mocks = new MockRepository();
            ProductDAL dal = (ProductDAL)mocks.StrictMock(typeof(ProductDAL));
            using (mocks.Record())
            {
                List<Product> expectedProducts = new List<Product>();
                Product p = new Product();
                p.Name = "Dell Pc";
                p.Id = 333;
                expectedProducts.Add(p);

                Expect.Call(dal.GetProducts()).Return(expectedProducts);
            }

            using (mocks.Playback())
            {
                ProductBL bl = new ProductBL(dal);
                List<Product> products = bl.GetProducts();
                Assert.AreEqual(1, products.Count);
            }

        }
    }