public void ItHasAValidConstructor()
{
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(_pool, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
parentSelection.GetParents();
}
public void ItConstructsProperlyIfAllFitnessScoresAreAboveOrEqualToZero()
{
var genome = GATestHelper.GetTravelingSalesmanPopulation();
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(genome, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
}
public void ItFailsIfANegativeFitnessScoreIsPassed()
{
var genome = GATestHelper.GetTravelingSalesmanPopulation();
genome[0].FitnessScore = -1;
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(genome, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
}
public void ItCanGetAValidParent()
{
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(_pool, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
var parent = parentSelection.GetParent(0.22);
Assert.IsNotNull(parent);
}
public void ItCanSetupRankSelection()
{
_config.ParentSelectionStrategy = ParentSelectionStrategy.Rank;
var rankings = GetRankingsForStep(1);
ItSetsUpTheRankingsInOrder(rankings);
_rankSelection.Setup(GetZeroesAndOnesChromosomes(), _config);
ItSetsUpTheRankingsInOrder(_rankSelection.Rankings);
}
public void ItCantReturnTheSameParentTwice()
{
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(_pool, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
for (int i = 0; i < 1000; i++)
{
var parent = parentSelection.GetParents();
Assert.IsFalse(ReferenceEquals(parent.Father, parent.Mother));
}
}
public void ItCanReturnParents()
{
var parentSelection = new RouletteWheelSelection();
parentSelection.Setup(_pool, GATestHelper.GetTravelingSalesmanDefaultConfiguration());
var parent = parentSelection.GetParents();
Assert.IsNotNull(parent);
Assert.IsNotNull(parent.Father);
Assert.IsNotNull(parent.Mother);
}
