public async Task Metric_Calculate()
{
GeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
MinimumEnvironmentSize = 2,
GeneticEntitySeed = new MockEntity(),
FitnessEvaluator = new MockFitnessEvaluator(),
SelectionOperator = new MockSelectionOperator(),
PopulationSeed = new MockPopulation()
};
algorithm.Metrics.Add(new FakeMetric());
await algorithm.InitializeAsync();
FakeMetric metric = (FakeMetric)algorithm.Metrics[0];
metric.Calculate(algorithm.Environment, 1);
Assert.Equal(4, metric.GetResultValueCallCount);
ObservableCollection <MetricResult> results = metric.GetResults(0);
Assert.Equal(2, results.Count);
Assert.Equal(0, results[0].GenerationIndex);
Assert.Equal(0, results[0].PopulationIndex);
Assert.Equal(1, results[0].ResultValue);
Assert.Same(metric, results[0].Metric);
results = metric.GetResults(1);
Assert.Equal(0, results[0].GenerationIndex);
Assert.Equal(1, results[0].PopulationIndex);
Assert.Equal(2, results[0].ResultValue);
Assert.Same(metric, results[0].Metric);
}
public async Task SinglePointCrossoverOperator_Validation_IsFixedSize()
{
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
GeneticEntitySeed = new IntegerListEntity
{
MinElementValue = 0,
MaxElementValue = 10,
MinimumStartingLength = 5,
MaximumStartingLength = 5,
IsFixedSize = true
},
PopulationSeed = new MockPopulation(),
FitnessEvaluator = new MockFitnessEvaluator2(),
SelectionOperator = new MockSelectionOperator(),
CrossoverOperator = new VariableSinglePointCrossoverOperator()
};
await Assert.ThrowsAsync <ValidationException>(() => algorithm.InitializeAsync());
}
public async Task UniformBitMutationOperator_Mutate()
{
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
PopulationSeed = new MockPopulation(),
SelectionOperator = new MockSelectionOperator(),
FitnessEvaluator = new MockFitnessEvaluator2(),
GeneticEntitySeed = new BinaryStringEntity
{
MinimumStartingLength = 4,
MaximumStartingLength = 4
},
MutationOperator = new UniformBitMutationOperator
{
MutationRate = 1
}
};
await algorithm.InitializeAsync();
UniformBitMutationOperator op = new UniformBitMutationOperator {
MutationRate = 1
};
op.Initialize(algorithm);
BinaryStringEntity entity = new BinaryStringEntity {
MinimumStartingLength = 4, MaximumStartingLength = 4
};
entity.Age = 10;
entity.Initialize(algorithm);
entity[0] = true;
entity[1] = true;
entity[2] = false;
entity[3] = true;
GeneticEntity mutant = op.Mutate(entity);
Assert.Equal("0010", mutant.Representation);
Assert.Equal(0, mutant.Age);
}
