public void IsOver_AFighterHasNoHealth_ShouldReturnTrue()
{
//Arrange
IHero fighter1 = new HeroMockBuilder().WithHealth(-5).BuildObject();
IHero fighter2 = new HeroMockBuilder().WithHealth(10).BuildObject();
IBattle battle = new BattleBuilder(fighter1, fighter2).Build();
//Act + Assert
Assert.That(battle.IsOver, Is.True);
}
public void IsOver_BothFightersHaveHealth_ShouldReturnFalse()
{
//Arrange
IHero fighter1 = new HeroMockBuilder().WithHealth(20).BuildObject();
IHero fighter2 = new HeroMockBuilder().WithHealth(10).BuildObject();
IBattle battle = new BattleBuilder(fighter1, fighter2).Build();
//Act + Assert
Assert.That(battle.IsOver, Is.False);
}
public void Attack_SuperMode_ShouldAttackOpponentWithDoubleStrength()
{
//Arrange
IHero hero = new HeroBuilder().WithSuperModeLikeliness(1.0f).Build();
Mock <IHero> opponentMock = new HeroMockBuilder().Build();
//Act
hero.Attack(opponentMock.Object);
//Assert
opponentMock.Verify(opponent => opponent.DefendAgainstAttack(hero.Strength * 2), Times.Once,
$"Should call 'DefendAgainstAttack' of opponent with strength {hero.Strength * 2}.");
}
public void FightRound_Fighter2HasNoHealth_ShouldOnlyLetFighter1Attack()
{
//Arrange
Mock <IHero> fighter1Mock = new HeroMockBuilder().WithHealth(100).Build();
Mock <IHero> fighter2Mock = new HeroMockBuilder().WithHealth(0).Build();
IBattle battle = new BattleBuilder(fighter1Mock.Object, fighter2Mock.Object).Build();
//Act
battle.FightRound();
//Assert
fighter1Mock.Verify(f => f.Attack(fighter2Mock.Object), Times.Once, "Fighter 1 did not attack fighter 2.");
fighter2Mock.Verify(f => f.Attack(It.IsAny <IHero>()), Times.Never, "Fighter 2 should not attack. He has no health.");
}
public void FightRound_ShouldLetThe2FightersAttack()
{
//Arrange
Mock <IHero> fighter1Mock = new HeroMockBuilder().WithHealth(100).Build();
Mock <IHero> fighter2Mock = new HeroMockBuilder().WithHealth(100).Build();
IBattle battle = new BattleBuilder(fighter1Mock.Object, fighter2Mock.Object).Build();
//Act
battle.FightRound();
//Assert
fighter1Mock.Verify(f => f.Attack(fighter2Mock.Object), Times.Once, "Fighter 1 did not attack fighter 2.");
fighter2Mock.Verify(f => f.Attack(fighter1Mock.Object), Times.Once, "Fighter 2 did not attack fighter 1.");
}
public void Factory_CreateNewBattle_ShouldThrowArgumentNullExceptionForInvalidInput()
{
//Arrange
IBattleFactory factory = CreateFactoryInstance();
IHero fighter = new HeroMockBuilder().BuildObject();
//Act + Assert
Assert.That(() => factory.CreateNewBattle(null, null), Throws.InstanceOf <ArgumentNullException>(),
"Null fighters are not allowed");
Assert.That(() => factory.CreateNewBattle(fighter, null), Throws.InstanceOf <ArgumentNullException>(),
"Null fighters are not allowed");
Assert.That(() => factory.CreateNewBattle(null, fighter), Throws.InstanceOf <ArgumentNullException>(),
"Null fighters are not allowed");
}
public void Factory_CreateNewBattle_ShouldCreateAValidBattle()
{
//Arrange
IBattleFactory factory = CreateFactoryInstance();
IHero fighter1 = new HeroMockBuilder().BuildObject();
IHero fighter2 = new HeroMockBuilder().BuildObject();
//Act
IBattle battle = factory.CreateNewBattle(fighter1, fighter2);
//Assert
Assert.That(battle, Is.Not.Null, "CreateNewBattle should not return null.");
Assert.That(battle.Fighter1, Is.SameAs(fighter1), "CreateNewBattle does not set fighter1 correctly.");
Assert.That(battle.Fighter2, Is.SameAs(fighter2), "CreateNewBattle does not set fighter2 correctly.");
}
private void AssertSuperModeLikelinessForAttack(float superModeLikeliness)
{
IHero hero = new HeroBuilder().WithSuperModeLikeliness(superModeLikeliness).Build();
int numberOfAttacks = 200;
int numberOfNormalAttacks = 0;
int numberOfSuperAttacks = 0;
for (int i = 0; i < numberOfAttacks; i++)
{
Mock <IHero> opponentMock = new HeroMockBuilder().Build();
opponentMock.Setup(opponent => opponent.DefendAgainstAttack(It.IsAny <int>()))
.Callback((int attackStrength) =>
{
if (attackStrength == hero.Strength)
{
numberOfNormalAttacks++;
}
else if (attackStrength == hero.Strength * 2)
{
numberOfSuperAttacks++;
}
});
hero.Attack(opponentMock.Object);
}
Assert.That(numberOfNormalAttacks, Is.GreaterThan(0),
$"Out of {numberOfAttacks} attacks, no normal attack happened. That is not random enough.");
Assert.That(numberOfSuperAttacks, Is.GreaterThan(0),
$"Out of {numberOfAttacks} attacks, no supermode attack happened. That is not random enough.");
Assert.That(numberOfSuperAttacks + numberOfNormalAttacks, Is.EqualTo(numberOfAttacks),
$"The amount of normal attacks ({numberOfNormalAttacks}) " +
$"added with the number of supermode attacks ({numberOfSuperAttacks}) " +
$"should be equal to the total number of attacks ({numberOfAttacks}).");
double actualSuperMode = numberOfSuperAttacks / (double)numberOfAttacks;
Assert.That(actualSuperMode, Is.EqualTo(hero.SuperModeLikeliness).Within(0.15),
$"After {numberOfAttacks} attacks the supermode likeliness seems to be around {Convert.ToInt32(actualSuperMode * 100)}%. " +
$"It should be around {Convert.ToInt32(hero.SuperModeLikeliness * 100)}%.");
}