public override Interaction DecideInteraction(IEnumerable <UnitInfo> units)
{
var candidateUnits =
units.Where(
(unit) =>
unit.Id != this.Id &&
this.UnitClassification ==
InfestationRequirements.RequiredClassificationToInfest(unit.UnitClassification));
UnitInfo optimalInfestableUnit = new UnitInfo(null, Infestation.UnitClassification.Unknown, int.MaxValue, 0,
0);
foreach (var unit in candidateUnits)
{
if (unit.Health < optimalInfestableUnit.Health)
{
optimalInfestableUnit = unit;
}
}
if (optimalInfestableUnit.Id != null)
{
return(new Interaction(new UnitInfo(this), optimalInfestableUnit, InteractionType.Infest));
}
return(Interaction.PassiveInteraction);
}
public void ReturnBiologicalUnitClassification_WhenRequiredClassificationToInfestIsCalledWithBiologicalUnit()
{
var human = new Human("Pesho");
var classificationResult = InfestationRequirements.RequiredClassificationToInfest(human.UnitClassification);
Assert.AreEqual(UnitClassification.Biological, classificationResult);
}
public void ReturnPsionicUnitClassification_WhenRequiredClassificationToInfestIsCalledWithPsionicUnit()
{
var queen = new Queen("Tereza");
var classificationResult = InfestationRequirements.RequiredClassificationToInfest(queen.UnitClassification);
Assert.AreEqual(UnitClassification.Psionic, classificationResult);
}
public void ReturnPrionicUnitClassification_WhenRequiredClassificationToInfestIsCalledWithMechanicalUnit()
{
var tank = new Tank("Panzer");
var classificationResult = InfestationRequirements.RequiredClassificationToInfest(tank.UnitClassification);
Assert.AreEqual(UnitClassification.Psionic, classificationResult);
}
public void ThrowInvalidOperationException_WhenRequiredClassificationToInfestIsCalledWithUnknownClassification()
{
Assert.Throws <InvalidOperationException>(() => InfestationRequirements.RequiredClassificationToInfest(UnitClassification.Unknown));
}
