public void AddConnectionMutation_Mutate_AddedConnection()
{
//ARRANGE
var i = 0;
_random.Next(Arg.Is <int>(2)).Returns(call =>
{
var ret = i;
i = i + 1;
return(ret);
});
_random.NextDouble().ReturnsForAnyArgs(1.0);
_innovationPointGenerator.GetNextInnovation().Returns(23);
var genome = CreateGenome();
var addConnectionMutator = new AddConnectionMutation(_innovationPointGenerator, _random, _config);
//ACT
var result = addConnectionMutator.Mutate(ref genome);
//ASSERT
Assert.IsTrue(result);
Assert.AreEqual(1, genome.Connections.Count());
Assert.AreEqual(1.0, genome.Connections.First().Value.Weight);
Assert.AreEqual(23, genome.Connections.First().Value.Id);
}
public void AddConnectionMutation_Mutate_FailedToAddConnection()
{
//ARRANGE
_random.Next(Arg.Is <int>(2)).Returns(1);
_random.NextDouble().ReturnsForAnyArgs(1.0);
var genome = CreateGenome();
var addConnectionMutator = new AddConnectionMutation(_innovationPointGenerator, _random, _config);
//ACT
var result = addConnectionMutator.Mutate(ref genome);
//ASSERT
Assert.IsFalse(result);
Assert.AreEqual(0, genome.Connections.Count());
}