public void DrinkService_Order_DrinkWithoutData_2()
{
// Arrange
var drinkService = new DrinkService();
var drink = new Drink();
// Act
BadParametersException exception = Assert.Throws <BadParametersException>(
delegate { drinkService.OrderAsync(drink).GetAwaiter().GetResult(); });
// Assert
Assert.That(exception.Message, Is.EqualTo("The drink type should be tea, coffee or chocolate."));
}
public void DrinkService_Order_BadNumberSugars(string drinkType, float money, int sugars, int extraHot)
{
// Arrange
var drinkService = new DrinkService();
var drink = new Drink
{
DrinkType = drinkType,
Money = money,
Sugars = sugars,
ExtraHot = extraHot,
};
// Act
BadParametersException exception = Assert.Throws <BadParametersException>(
delegate { drinkService.OrderAsync(drink).GetAwaiter().GetResult(); });
// Assert
Assert.AreEqual("The number of sugars should be between 0 and 2.", exception.Message);
}
public void DrinkService_Order_InventedDrink()
{
// Arrange
var drinkService = new DrinkService();
var drink = new Drink
{
DrinkType = "invented drink",
Money = 0.8F,
Sugars = 1,
ExtraHot = 1,
};
// Act
BadParametersException exception = Assert.Throws <BadParametersException>(
delegate { drinkService.OrderAsync(drink).GetAwaiter().GetResult(); });
// Assert
Assert.AreEqual("The drink type should be tea, coffee or chocolate.", exception.Message);
}
public void DrinkService_Order_MoneyNotEnought(string drinkType, float money, int sugars, int extraHot)
{
// Arrange
var drinkService = new DrinkService();
var drink = new Drink
{
DrinkType = drinkType,
Money = money,
Sugars = sugars,
ExtraHot = extraHot,
};
// Act
BadParametersException exception = Assert.Throws <BadParametersException>(
delegate { drinkService.OrderAsync(drink).GetAwaiter().GetResult(); });
// Assert
Assert.AreEqual(
string.Format(
"The {0} costs {1}.",
drinkService.DrinkPrices.Single(x => x.Name.ToLower() == drink.DrinkType.ToLower()).Name,
drinkService.DrinkPrices.Single(x => x.Name.ToLower() == drink.DrinkType.ToLower()).Price.ToString("N", new System.Globalization.CultureInfo("en-US"))),
exception.Message);
}