public void ItWillCreateInvoice()
{
var job = new Job
{
Name = "Job 3",
RequiresExtraMargin = true,
Items = new List<PrintItem>
{
new PrintItem
{
Name = "frisbees",
Cost = 19385.38m,
Taxation = TaxationType.TaxFree
},
new PrintItem
{
Name = "yo-yos",
Cost = 1829m,
Taxation = TaxationType.TaxFree
},
}
};
var invoice = new InvoiceCalculator().Calculate(job, "Customer");
new PdfInvoiceWriter().Write(invoice, "sample.invoice.pdf");
}
public void ItWillCalculateExtraMargin()
{
var job = new Job
{
Name = "Job 1",
RequiresExtraMargin = true,
Items = new List<PrintItem>
{
new PrintItem
{
Name = "envelopes",
Cost = 520.00m,
Taxation = TaxationType.Standard
},
new PrintItem
{
Name = "letterhead",
Cost = 1983.37m,
Taxation = TaxationType.TaxFree
},
}
};
var invoice = new InvoiceCalculator().Calculate(job, "Customer");
Assert.IsNotNull("invoice");
Assert.AreEqual(556.40m, invoice.Items.Single(x => x.Name == "envelopes").Amount);
Assert.AreEqual(1983.37m, invoice.Items.Single(x => x.Name == "letterhead").Amount);
Assert.AreEqual(2940.30m, invoice.TotalAmount, "Total amount is incorrect");
}
private ITotalCaclulationStrategy GetTotalCaclulationStrategy(Job job)
{
if (job.RequiresExtraMargin)
{
return new ExtraMarginCalculationStrategy();
}
return new StandardMarginCalculationStrategy();
}
public Invoice Calculate(Job job, String customerName)
{
if (job == null)
{
throw new ArgumentNullException("job");
}
var invoice = new Invoice
{
Customer = customerName,
Date = DateTime.Now,
Items = job.Items.Select(GetLineItem).ToList()
};
invoice.TotalAmount = GetTotalCaclulationStrategy(job).Calculate(invoice.Items.ToList());
return invoice;
}
public void ItWillCalculateStandardJob()
{
var job = new Job
{
Name = "Job 2",
RequiresExtraMargin = false,
Items = new List<PrintItem>
{
new PrintItem
{
Name = "t-shirts",
Cost = 294.04m,
Taxation = TaxationType.Standard
}
}
};
var invoice = new InvoiceCalculator().Calculate(job, "Customer");
Assert.IsNotNull("invoice");
Assert.AreEqual(314.62m, invoice.Items.Single(x => x.Name == "t-shirts").Amount);
Assert.AreEqual(346.96m, invoice.TotalAmount, "Total amount is incorrect");
}
public void ItWillCalculateTaxFree()
{
var job = new Job
{
Name = "Job 3",
RequiresExtraMargin = true,
Items = new List<PrintItem>
{
new PrintItem
{
Name = "frisbees",
Cost = 19385.38m,
Taxation = TaxationType.TaxFree
},
new PrintItem
{
Name = "yo-yos",
Cost = 1829m,
Taxation = TaxationType.TaxFree
},
}
};
var invoice = new InvoiceCalculator().Calculate(job, "Customer");
Assert.IsNotNull("invoice");
Assert.AreEqual(19385.38m, invoice.Items.Single(x => x.Name == "frisbees").Amount);
Assert.AreEqual(1829.00m, invoice.Items.Single(x => x.Name == "yo-yos").Amount);
Assert.AreEqual(24608.68m, invoice.TotalAmount, "Total amount is incorrect");
}
