public void HandlePopulationLevelStagnationTest_SingleSpecies()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 20);
// Create some fake species and genomes
Species species1 = new Species(randomStub);
Genome gen1 = new Genome(randomStub);
gen1.OriginalFitness = 10;
species1.AddGenome(gen1);
// Remove default species/genomes and add fake ones
sim.Species.Clear();
sim.Species.Add(species1);
sim.OrderSpeciesByOriginalFitness();
sim.HandlePopulationLevelStagnation();
Assert.AreEqual(20, species1.Offspring);
Assert.AreEqual(20, species1.ChampionOffspring);
Assert.AreEqual(0, sim.GenerationsSinceLastUpdate);
}
public void AddGenomesToSpeciesTest()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 10);
// Create some fake species and genomes
Species species1 = new Species(randomStub);
// Two genomes are matching, one is not so we should get 2 species (with 2 and 1 Genomes respectively)
Genome gen1 = new Genome(randomStub);
Genome gen2 = new Genome(randomStub);
Genome gen3 = new Genome(randomStub);
gen3.ParentSimulation = sim;
gen3.AddNode(new Node(Node.ENodeType.SENSOR, 1));
gen3.AddNode(new Node(Node.ENodeType.SENSOR, 2));
gen3.AddNode(new Node(Node.ENodeType.OUTPUT, 3));
gen3.AddNode(new Node(Node.ENodeType.OUTPUT, 4));
gen3.AddConnectionGene(1, 2, true);
gen3.AddConnectionGene(1, 3, true);
gen3.AddConnectionGene(1, 4, true);
sim.Species.Clear();
sim.AddGenomesToSpecies(new List <Genome> {
gen1, gen2, gen3
});
Assert.AreEqual(2, sim.Species.Count);
Assert.AreEqual(2, sim.Species[0].Genomes.Count);
Assert.AreEqual(1, sim.Species[1].Genomes.Count);
}
public void AddGenomesToSpeciesTest_NullGenomes_Expected_Exception()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 21);
sim.AddGenomesToSpecies(null);
}
public void InsertGeneTest_Null_ExpectedException()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
randomStub.NextIntValue = 0; randomStub.NextDoubleValue = 0.0;
Genome genome = new Genome(randomStub);
genome.AddNode(new Node(Node.ENodeType.SENSOR, 1));
genome.AddNode(new Node(Node.ENodeType.OUTPUT, 2));
genome.InsertConnectionGene(null);
}
public void HandlePopulationLevelStagnationTest_OddPopulationSize()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 21);
// Create some fake species and genomes
Species species1 = new Species(randomStub);
Species species2 = new Species(randomStub);
Species species3 = new Species(randomStub);
Species species4 = new Species(randomStub);
Genome gen1 = new Genome(randomStub);
gen1.OriginalFitness = 10;
species1.AddGenome(gen1);
Genome gen2 = new Genome(randomStub);
gen2.OriginalFitness = 0;
species2.AddGenome(gen2);
Genome gen3 = new Genome(randomStub);
gen3.OriginalFitness = 20;
species3.AddGenome(gen3);
Genome gen4 = new Genome(randomStub);
gen4.OriginalFitness = 1;
species4.AddGenome(gen4);
// Remove default species/genomes and add fake ones
sim.Species.Clear();
sim.Species.AddRange(new Species[] { species1, species2, species3, species4 });
sim.OrderSpeciesByOriginalFitness();
sim.HandlePopulationLevelStagnation();
Assert.AreEqual(10, species1.Offspring);
Assert.AreEqual(10, species1.ChampionOffspring);
Assert.AreEqual(0, species2.Offspring);
Assert.AreEqual(11, species3.Offspring);
Assert.AreEqual(11, species3.ChampionOffspring);
Assert.AreEqual(0, species4.Offspring);
Assert.AreEqual(0, sim.GenerationsSinceLastUpdate);
}
public void CalculateSpeciesOffspringTest_TotalFitnessGreaterThanZero()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 21);
// Create some fake species and genomes
Species species1 = new Species(randomStub);
Species species2 = new Species(randomStub);
Species species3 = new Species(randomStub);
Species species4 = new Species(randomStub);
Genome gen1 = new Genome(randomStub);
gen1.OriginalFitness = 5;
gen1.Fitness = 5;
species1.AddGenome(gen1);
Genome gen2 = new Genome(randomStub);
gen2.OriginalFitness = 10;
gen2.Fitness = 10;
species2.AddGenome(gen2);
Genome gen3 = new Genome(randomStub);
gen3.OriginalFitness = 15;
gen3.Fitness = 15;
species3.AddGenome(gen3);
Genome gen4 = new Genome(randomStub);
gen4.OriginalFitness = 20;
gen4.Fitness = 20;
species4.AddGenome(gen4);
// Remove default species/genomes and add fake ones
sim.Species.Clear();
sim.Species.AddRange(new Species[] { species1, species2, species3, species4 });
sim.OrderSpeciesByOriginalFitness();
sim.CalculateSpeciesOffspring(50.0f);
Assert.AreEqual(2, species1.Offspring);
Assert.AreEqual(4, species2.Offspring);
Assert.AreEqual(6, species3.Offspring);
Assert.AreEqual(9, species4.Offspring);
}
public void FindConnectionGeneToSplitTest_Correct_Expected_True()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
randomStub.NextIntValue = 0; randomStub.NextDoubleValue = 0.0;
Genome genome = new Genome(randomStub);
genome.AddNode(new Node(Node.ENodeType.SENSOR, 1));
genome.AddNode(new Node(Node.ENodeType.OUTPUT, 2));
genome.AddConnectionGene(1, 2, true);
int connectionIndex = -1;
bool found = genome.FindConnectionGeneToSplit(out connectionIndex);
Assert.AreEqual(true, found);
Assert.AreEqual(0, connectionIndex);
}
public void CalculateSpeciesOffspringTest_TotalFitnessZero_Expected_AllSpeciesHaveSameOffspring_ButOne()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 22);
// Create some fake species and genomes
Species species1 = new Species(randomStub);
Species species2 = new Species(randomStub);
Species species3 = new Species(randomStub);
Species species4 = new Species(randomStub);
Genome gen1 = new Genome(randomStub);
gen1.OriginalFitness = 10;
species1.AddGenome(gen1);
Genome gen2 = new Genome(randomStub);
gen2.OriginalFitness = 0;
species2.AddGenome(gen2);
Genome gen3 = new Genome(randomStub);
gen3.OriginalFitness = 20;
species3.AddGenome(gen3);
Genome gen4 = new Genome(randomStub);
gen4.OriginalFitness = 1;
species4.AddGenome(gen4);
// Remove default species/genomes and add fake ones
sim.Species.Clear();
sim.Species.AddRange(new Species[] { species1, species2, species3, species4 });
sim.OrderSpeciesByOriginalFitness();
sim.CalculateSpeciesOffspring(0.0f);
Assert.AreEqual(7, sim.Species[0].Offspring);
for (int i = 1; i < sim.Species.Count; ++i)
{
Assert.AreEqual(5, sim.Species[i].Offspring);
}
}
public void AddGenomesToSpeciesTest_NoSpecies_Expected_CreateNewSpecies()
{
UnitTests.RandomStub randomStub = new UnitTests.RandomStub();
Simulation sim = new Simulation(randomStub, gen, 10);
sim.Species.Clear();
Genome gen1 = new Genome(randomStub);
gen1.OriginalFitness = 5;
gen1.Fitness = 5;
Assert.AreEqual(0, sim.Species.Count);
sim.AddGenomesToSpecies(new List <Genome> {
gen1
});
Assert.AreEqual(1, sim.Species.Count);
}
