public void ThrowArgumentNullException_WhenApplyWhenAttackingIsCalledWithNullDefender()
{
var reduceEnemyDefenseByPercentage = new ReduceEnemyDefenseByPercentage(2.5m);
var creaturesInBattle = new CreaturesInBattle(new Angel(), 1);
Assert.Throws <ArgumentNullException>(() => reduceEnemyDefenseByPercentage.ApplyWhenAttacking(creaturesInBattle, null));
}
public void ReturnCorrectDefenseChanges_WhenApplyWhenAttackingIsCalled()
{
var reduceEnemyDefenseByPercentage = new ReduceEnemyDefenseByPercentage(10m);
var creaturesInBattle = new CreaturesInBattle(new Angel(), 1);
reduceEnemyDefenseByPercentage.ApplyWhenAttacking(creaturesInBattle, creaturesInBattle);
Assert.AreEqual(18, creaturesInBattle.CurrentDefense);
}
public void Constructor_ShouldSetTheCorrectValueToPercentageField()
{
var expectedPercentage = 50m;
var specialty = new ReduceEnemyDefenseByPercentage(expectedPercentage);
var specialtyAsPrivateObject = new MSTest.PrivateObject(specialty);
var actualPercentage = specialtyAsPrivateObject.GetProperty("Percentage");
Assert.AreEqual(expectedPercentage, actualPercentage);
}
public void ApplyWhenAttacking_ShouldThrowWithCorrectMessage_IfDefenderParameterIsNull()
{
var attackerWithSpecialty = new Mock <ICreaturesInBattle>();
ICreaturesInBattle defender = null;
var percentage = 50m;
var specialty = new ReduceEnemyDefenseByPercentage(percentage);
var exception = Assert.Throws <ArgumentNullException>(() => specialty.ApplyWhenAttacking(attackerWithSpecialty.Object, defender));
StringAssert.Contains("defender", exception.Message);
}
public void ApplyWhenAttacking_ShouldSetDefenderCurrentDefense()
{
var attackerWithSpecialty = new Mock <ICreaturesInBattle>();
var defender = new Mock <ICreaturesInBattle>();
var percentage = 50m;
var specialty = new ReduceEnemyDefenseByPercentage(percentage);
defender.SetupGet(mock => mock.CurrentDefense).Returns(100);
defender.SetupSet(mock => mock.CurrentDefense = It.IsAny <int>());
specialty.ApplyWhenAttacking(attackerWithSpecialty.Object, defender.Object);
defender.VerifySet(mock => mock.CurrentDefense = It.IsAny <int>(), Times.Once());
}
public void ReturnCorrectStringFormat_WhenToStringIsCalled()
{
var reduceEnemyDefenseByPercentage = new ReduceEnemyDefenseByPercentage(2.5m);
Assert.AreEqual("ReduceEnemyDefenseByPercentage(2.5)", reduceEnemyDefenseByPercentage.ToString());
}
