public void PettingNeedRatesBaseOnLifeStageTest(LifeStage lifeStage, int rate)
{
// Arrange
var dragon = new Tamagotchi("Dragon");
dragon.LifeStage = lifeStage;
var happinessBefore = dragon.Happiness;
var need = new PettingNeeds();
// Act
need.Satisfy(dragon);
var happinessAfter = dragon.Happiness;
// Assert
Math.Abs(happinessAfter - happinessBefore).ShouldBe(rate);
}
public void ExampleOfUse()
{
// Dragon is born and it is a baby
var dragon = new Tamagotchi("Needy dragon");
var needForFood = new FoodNeeds();
var needForPetting = new PettingNeeds();
dragon.AddNeed(needForFood);
dragon.AddNeed(needForPetting);
// TimePassed could be called each hour (or something like that) to age the pet
dragon.TimePassed();
dragon.TimePassed();
dragon.TimePassed();
// At this point it is 3 years old, very unhappy and hungry
dragon.Age.ShouldBe(3);
dragon.Happiness.ShouldBe(-45);
dragon.Hungriness.ShouldBe(24);
// Let's feed it first
dragon.Feed();
dragon.Feed();
dragon.Hungriness.ShouldBe(8); // It is less hungy now
// Let's give it some attention
dragon.Pet();
dragon.Pet();
dragon.Happiness.ShouldBe(-15); // It is less unhappy now
// At this point we could add a new need. For example the need for a diet (Implemented bellow)
dragon.AddNeed(new DietNeeds());
dragon.Weight.ShouldBe(7);
// 50 years passed
for (int i = 0; i < 50; i++)
{
dragon.TimePassed();
}
dragon.Age.ShouldBe(53);
dragon.Weight.ShouldBe(107);
}