public void ToStringReturnsCorrectResult(string expected)
{
var sut = new BasketStringWriterVisitor(expected);
var actual = sut.ToString();
Assert.Equal(expected, actual);
}
public void DefaultToStringReturnsCorrectResult()
{
var sut = new BasketStringWriterVisitor();
var actual = sut.ToString();
Assert.Equal("", actual);
}
public void SutYieldsNothing()
{
var sut = new BasketStringWriterVisitor();
Assert.False(sut.Any());
Assert.Empty(sut);
}
public void VisitDiscountReturnsCorrectResult(
string initialBasketText,
int discount)
{
var sut = new BasketStringWriterVisitor(initialBasketText);
var actual = sut.Visit(new Discount(discount));
Assert.Equal(
string.Format(
"{0}{1}Discount:{2,31:F}",
initialBasketText,
Environment.NewLine,
-discount),
actual.ToString());
}
public void VisitBasketTotalReturnsCorrectResult(
string initialBasketText,
int total)
{
var sut = new BasketStringWriterVisitor(initialBasketText);
var actual = sut.Visit(new BasketTotal(total));
Assert.Equal(
string.Format(
"{0}{1}Total:{2,34:F}",
initialBasketText,
Environment.NewLine,
total),
actual.ToString());
}
public void VisitVatReturnsCorrectResult(
string initialBasketText,
int vat)
{
var sut = new BasketStringWriterVisitor(initialBasketText);
var actual = sut.Visit(new Vat(vat));
Assert.Equal(
string.Format(
"{0}{1}VAT:{2,36:F}",
initialBasketText,
Environment.NewLine,
vat),
actual.ToString());
}
public void VisitBasketItemReturnsCorrectResult(
string initialBasketText,
string productName,
int unitPrice,
int quantity)
{
var sut = new BasketStringWriterVisitor(initialBasketText);
var actual = sut.Visit(
new BasketItem(productName, unitPrice, quantity));
Assert.Equal(
string.Format(
"{0}{1}{2,-17}{3,3}{4,10:F}{5,10:F}",
initialBasketText,
Environment.NewLine,
productName + ":",
quantity,
unitPrice,
quantity * unitPrice),
actual.ToString());
}
public void SutIsBasketElement()
{
var sut = new BasketStringWriterVisitor();
Assert.IsAssignableFrom <IBasketVisitor>(sut);
}
