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);
}
public void PettingYourDragonMakesThemHappy(Tamagotchi dragon, int happinessBefore, int happinessAfter)
{
"Given a dragon with petting needs".x(() =>
{
dragon = new Tamagotchi("Dragon");
dragon.AddNeed(new PettingNeeds());
happinessBefore = dragon.Happiness;
});
"When you pet it".x(() =>
{
dragon.Pet();
happinessAfter = dragon.Happiness;
});
"Then the dragon is more happy".x(() =>
{
happinessAfter.ShouldBeGreaterThan(happinessBefore);
});
}
public void FeedingYourDragonMakesThemLessHungry(Tamagotchi dragon, int hungrinessBefore, int hungrinessAfter)
{
"Given a dragon with food needs".x(() =>
{
dragon = new Tamagotchi("Dragon");
dragon.AddNeed(new FoodNeeds());
hungrinessBefore = dragon.Hungriness;
});
"When you feed it".x(() =>
{
dragon.Feed();
hungrinessAfter = dragon.Hungriness;
});
"Then the dragon is less hungry".x(() =>
{
hungrinessAfter.ShouldBeLessThan(hungrinessBefore);
});
}
public void DragonsHappinessDecreasesOverTime(Tamagotchi dragon, int happinessBefore, int happinessAfter)
{
"Given a dragon with petting needs".x(() =>
{
dragon = new Tamagotchi("Dragon");
dragon.AddNeed(new PettingNeeds());
happinessBefore = dragon.Happiness;
});
"When time passes without attention".x(() =>
{
dragon.TimePassed();
happinessAfter = dragon.Happiness;
});
"Then the dragon is less happy".x(() =>
{
happinessAfter.ShouldBeLessThan(happinessBefore);
});
}
public void DragonsHungerIncreasesOverTime(Tamagotchi dragon, int hungrinessBefore, int hungrinessAfter)
{
"Given a dragon with food needs".x(() =>
{
dragon = new Tamagotchi("Dragon");
dragon.AddNeed(new FoodNeeds());
hungrinessBefore = dragon.Hungriness;
});
"When time passes without food".x(() =>
{
dragon.TimePassed();
hungrinessAfter = dragon.Hungriness;
});
"Then the dragon is more hungry".x(() =>
{
hungrinessAfter.ShouldBeGreaterThan(hungrinessBefore);
});
}