public void GetElementOfNPositionTest_CheckIfValueAreDifferent_ShouldPass(int a, int b)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var valueFirst = rd.GetElementOfNPosition(a);
var valueSecond = rd.GetElementOfNPosition(b);
_testOutputHelper.WriteLine($"{valueFirst} : {valueSecond}");
Assert.False(valueFirst == valueSecond);
}
public void GeneInBinaryTest_CheckForLengthOfGene_ShouldPass(int pow)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions(pow);
var rndChromosome = Chromosome.NewRandomChromosome(rd);
Assert.True(rndChromosome.GeneInBinary().Length == pow);
_testOutputHelper.WriteLine(rndChromosome.GeneInBinary());
}
public void SetGeneTest(string binary, int expectedGene)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var chromosome = new Chromosome(rd);
chromosome.SetGene(binary);
_testOutputHelper.WriteLine($"{chromosome.Gene} {expectedGene}");
Assert.True(chromosome.Gene == expectedGene);
}
public void BinaryGeneFixTest_NormalData_ShouldPass(string valueToFix)
{
var cd = DefaultResearchParameters.GetChromosomeDefinition();
var value = cd.BinaryGeneFix(valueToFix);
_testOutputHelper.WriteLine($"Chromosome lenght = {cd.ChromosomeLength}");
_testOutputHelper.WriteLine(value);
Assert.True(value.Length == cd.ChromosomeLength);
Assert.True(int.TryParse(value, out _));
}
public void RouletteWheelTest_NormalPopWithFixedFitness_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var testPop = Fitness.FixedFitPop(
Chromosome.NewRandomPopulation(rd, rd.Population));
var outputTestPop = new RouletteWheel().DrawChromosomes(testPop);
var fitnessSumTestPop = testPop.Sum(x => x.Fitness);
var fitnessSumOutputTestPop = outputTestPop.Sum(x => x.Fitness);
Assert.True(fitnessSumTestPop != fitnessSumOutputTestPop);
}
public void FixedFitPopTest_RandomPop_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var listOfPop = Chromosome.NewRandomPopulation(rd, 10);
var list = Fitness.FixedFitPop(listOfPop, out var lowestKey);
_testOutputHelper.WriteLine($"Lowest key {lowestKey}");
Assert.True(lowestKey > 0);
foreach (var chromosome in list)
{
Assert.True(chromosome.Fitness >= 0);
_testOutputHelper.WriteLine($"{chromosome.Fitness}");
}
}
public void CompareToTest_AShouldBeHigher_ShouldPass(double aFitness, double bFitness)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var aChromosome = new Chromosome(rd)
{
AbsFitness = aFitness
};
var bChromosome = new Chromosome(rd)
{
AbsFitness = bFitness
};
Assert.True(aChromosome.CompareTo(bChromosome) > 0);
}
public void NewRandomPopulationTest_RandomChromosomes_ShouldPassWithErrorMargin()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var listOfPop = Chromosome.NewRandomPopulation(rd, 10);
var errorMargin = 2;
var errors = 0;
for (int i = 0; i < listOfPop.Count - 1; i++)
{
if (listOfPop[i].Gene == listOfPop[i + 1].Gene)
{
errors++;
}
_testOutputHelper.WriteLine($"{listOfPop[i].Gene}");
}
Assert.True(errors < errorMargin);
}
public void MixChromosomesTest_NormalChromosome_NormalPower_TestOutputLength_ShouldPass(int pow)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions(pow);
var chromosomeA = Chromosome.NewRandomChromosome(rd);
var chromosomeB = Chromosome.NewRandomChromosome(rd);
_testOutputHelper.WriteLine(chromosomeA.GeneInBinary());
_testOutputHelper.WriteLine(chromosomeB.GeneInBinary());
var output = PostSelection.MixChromosomes(chromosomeA, chromosomeB, 1);
foreach (var chromosome in output)
{
Assert.True(chromosome.GeneInBinary().Length == pow);
_testOutputHelper.WriteLine(chromosome.GeneInBinary());
}
}
public void MixChromosomesTest_EdgeChromosomes_NormalPower_ShouldPass(int pow)
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions(pow);
var highestChromosome = DefaultResearchParameters.GetHigherChromosome(rd);
var lowestChromosome = DefaultResearchParameters.GetLowestChromosome(rd);
_testOutputHelper.WriteLine(highestChromosome.GeneInBinary());
_testOutputHelper.WriteLine(lowestChromosome.GeneInBinary());
var output = PostSelection.MixChromosomes(highestChromosome, lowestChromosome, 1);
foreach (var chromosome in output)
{
Assert.Contains("1", chromosome.GeneInBinary());
Assert.Contains("0", chromosome.GeneInBinary());
_testOutputHelper.WriteLine(chromosome.GeneInBinary());
}
}
public void MixChromosomesTest_TryFindCrossingPointOnEndAllel_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions(4);
var highestChromosome = DefaultResearchParameters.GetHigherChromosome(rd);
var lowestChromosome = DefaultResearchParameters.GetLowestChromosome(rd);
var output = new List <Chromosome>();
var found = false;
for (int i = 0; i < 1000; i++)
{
output = PostSelection.MixChromosomes(highestChromosome, lowestChromosome, 1);
if (output.All(x => x.GeneInBinary() != "1110"))
{
continue;
}
found = true;
break;
}
_testOutputHelper.WriteLine(output[0].GeneInBinary());
_testOutputHelper.WriteLine(output[1].GeneInBinary());
Assert.True(found);
}
public void CalculateFitnessTest_CheckFitnessForRandomGenes_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var chromosomes = Chromosome.NewRandomPopulation(rd, rd.Population);
foreach (var chromosome in chromosomes)
{
chromosome.SetFitness();
}
var errors = 0;
for (int i = 0; i < chromosomes.Count - 1; i++)
{
if (chromosomes[i].Fitness == chromosomes[i + 1].Fitness)
{
errors++;
}
_testOutputHelper.WriteLine($"Fitness of {i}: {chromosomes[i].Fitness}, gene {chromosomes[i].Gene}");
}
Assert.True(errors == 0);
}
public void GetElementOfNPositionTest_CheckCorrectness_LowestElement_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var lowestElement = rd.GetElementOfNPosition(0);
Assert.True(lowestElement == rd.LowerBound);
}
public void GetElementOfNPositionTest_CheckCorrectness_HighestElement_ShouldPass()
{
var rd = DefaultResearchParameters.GetDefaultResearchDefinitions();
var highestElement = rd.GetElementOfNPosition(rd.chromosomeDefinition.GenesCount);
Assert.True(highestElement == rd.UpperBound);
}
