public static void WhenIGiveAValidItemReturnTheValueOfTheItem()
{
IStandardPricer pricer = new DefaultStandardPricer();
Assert.Equal(0.50M, pricer.GetPrice("A"));
Assert.Equal(0.30M, pricer.GetPrice("B"));
}
public static void WhenIGiveAnItemThatIsntWithinTheDictionaryExpectAKeyNotFoundException()
{
var input = "Z";
IStandardPricer pricer = new DefaultStandardPricer();
KeyNotFoundException ex = Assert.Throws <KeyNotFoundException>(() => pricer.GetPrice(input));
Assert.Equal($"Couldn't find item {input} in the dictionary", ex.Message);
}
public static void WhenIGivenAnEmptyStringItemReturn0()
{
IStandardPricer pricer = new DefaultStandardPricer();
var expected = 0;
var actual = pricer.GetPrice("");
Assert.Equal(expected, actual);
}
public static void WhenIGiveSeveralItemsExpectTheTotal()
{
var input = "AAB";
IStandardPricer pricer = new DefaultStandardPricer();
var expected = 1.30M;
var actual = pricer.GetPrice(input);
Assert.Equal(expected, actual);
}