public void TransferInvoice()
{
var buyerA = new Buyer()
{
Id = 1,
Name = "Michel"
};
var invoice = new Invoice()
{
Id = 1, DueDate = DateTime.Now, Value = 10
};
buyerA.AddInvoice(invoice);
var buyerB = new Buyer()
{
Id = 2,
Name = "Michel"
};
buyerRepositoryMock.GetById(buyerA.Id).Returns(buyerA);
buyerRepositoryMock.GetById(buyerB.Id).Returns(buyerB);
buyerService.TransferInvoice(buyerA, buyerB, invoice);
//Asserts
buyerRepositoryMock.Received(2).GetById(Arg.Any <int>());
buyerRepositoryMock.Received().Save();
Assert.IsNotNull(buyerB.Invoices);
Assert.AreEqual(1, buyerB.Invoices.Count);
}
