public void Able_to_create_instance()
{
_ = new GenerateInvoiceUseCase(
Substitute.For <IOrderRepository>(),
Substitute.For <IInvoiceGenerator>(),
Substitute.For <IInvoiceRepository>());
}
public async Task Able_to_generate_invoice()
{
var invoiceId = Guid.NewGuid();
var orderRepo = Substitute.For <IOrderRepository>();
orderRepo.Get(Arg.Any <Guid>()).Returns(OrderMockBuilder.Build());
var invoice = InvoiceMockBuilder.Build(id: invoiceId);
var invoiceGen = Substitute.For <IInvoiceGenerator>();
invoiceGen.Generate(Arg.Any <Order>()).Returns(invoice);
var invoiceRepo = Substitute.For <IInvoiceRepository>();
var sut = new GenerateInvoiceUseCase(orderRepo, invoiceGen, invoiceRepo);
var actual = await sut.Execute(new GenerateInvoiceRequest());
var expected = CreateExpectedInvoice(id: invoiceId);
actual.Should().BeEquivalentTo(expected);
await invoiceRepo.Received().Save(invoice);
}
