public void WhenCreated_HoldsADiscountAndAName()
{
var discount = 1.0m;
var prod = new ProductItem("Bread", new Money(10, repo.Get("USD")));
var item = new ItemOnSaleRule(prod.ProductName, discount);
Assert.Equal(discount, item.DiscountPercentage);
Assert.Equal(prod.ProductName, item.ProductName);
}
public void WhenProductDoesNotExist_ReturnsAnEmptyMaybe()
{
var result = storage.GetProduct("non existing product", 1);
var fallbackItem = new ProductItem("...", new Money(0.1m, repo.Get("USD")));
var item = result.GetValueOrFallback(fallbackItem);
Assert.Equal(fallbackItem, item);
}
public void Selector_GetsTheMaybeItemWhenRequested()
{
CurrencyTypeRepository repo = new CurrencyTypeRepository();
var value1 = new Money(98.003m, repo.Get("USD"));
var m = new Maybe <Money>(value1);
var selected = m.Select(x => x);
Assert.Equal(m, selected);
}
public void Equals_WhenComparedWithAnotherMaybe_ThenReturnsFalseWhenDifferent()
{
const int value = 14;
var m1 = new Maybe <int>(value);
var m2 = new Maybe <int>(value + 1);
Assert.False(m1.Equals(m2));
var m3 = new Maybe <string>("hola");
var m4 = new Maybe <string>("chau");
Assert.False(m3.Equals(m4));
CurrencyTypeRepository repo = new CurrencyTypeRepository();
var value1 = new Money(98.003m, repo.Get("USD"));
var value2 = new Money(98.002m, repo.Get("USD"));
var m5 = new Maybe <Money>(value1);
var m6 = new Maybe <Money>(value2);
Assert.False(m5.Equals(m6));
}
public void Selector_GetsTheMaybeOfBoolWhenQueried()
{
CurrencyTypeRepository repo = new CurrencyTypeRepository();
var value1 = new Money(98.003m, repo.Get("USD"));
var m = new Maybe <Money>(value1);
var selected = m.Select(x => x.Amount >= 98m);
var result = selected.GetValueOrFallback(false);
Assert.True(result);
}
public Currency(string isoCode)
{
if (!_repo.Exists(isoCode))
{
throw new ArgumentException("Invalid ISO Currency Code");
}
var newCurrency = _repo.Get(isoCode);
IsoCode = newCurrency.IsoCode;
IsDigital = newCurrency.IsDigital;
GeneralName = newCurrency.GeneralName;
Symbol = newCurrency.Symbol;
DecimalPlace = newCurrency.DecimalPlace;
BaseDecimalPlace = newCurrency.BaseDecimalPlace;
DecimalMark = newCurrency.DecimalMark;
ThousandMark = newCurrency.ThousandMark;
}
public void Equals_WhenComparedWithAnotherMaybe_ThenReturnsTrueWhenSame()
{
const int value = 14;
var m1 = new Maybe <int>(value);
var m2 = new Maybe <int>(value);
Assert.True(m1.Equals(m2));
const string value2 = "hola";
var m3 = new Maybe <string>(value2);
var m4 = new Maybe <string>(value2);
Assert.True(m3.Equals(m4));
CurrencyTypeRepository repo = new CurrencyTypeRepository();
var value3 = new Money(98.003m, repo.Get("USD"));
var m5 = new Maybe <Money>(value3);
var m6 = new Maybe <Money>(value3);
Assert.True(m5.Equals(m6));
}
public void CurrencyIsEqual()
{
Currency cur1 = repo.Get("BTC");
Currency cur2 = repo.Get("BTC");
Assert.Equal <Currency>(cur1, cur2);
}