@Test
public void testMutation() {
Portfolio portfolio = new Portfolio(3);
portfolio.getPortfolio().set(0, 0.25);
portfolio.getPortfolio().set(1, 0.5);
portfolio.getPortfolio().set(2, 0.25);
GeneticAlgUtils.mutate(portfolio);
System.out.println(portfolio);
}
@Test
public void testFitnessFunctionCalculation() {
GeneticAlgorithmImpl gen = new GeneticAlgorithmImpl(2, 2, 0.2, 0.1, 0.3, dataSource);
Portfolio portfolio = new Portfolio(2);
portfolio.getPortfolio().set(0, 0.5);
portfolio.getPortfolio().set(1, 0.5);
System.out.println(gen.calculateFitness(portfolio, 0));
assertEquals(1.0, gen.calculateFitness(portfolio, 0), 0.01);
}
@Test
public void testCrossover() {
Portfolio parentA = new Portfolio(2);
parentA.getPortfolio().set(0, 0.5);
parentA.getPortfolio().set(1, 0.5);
Portfolio parentB = new Portfolio(2);
parentB.getPortfolio().set(0, 1.0);
parentB.getPortfolio().set(1, 0.0);
Portfolio child = GeneticAlgorithmImpl.crossover(parentA, parentB);
assertEquals(0.75, child.getPortfolio().get(0), 0.001);
assertEquals(0.25, child.getPortfolio().get(1), 0.001);
}