public void NestOption_sampling_from_uniform_space_test()
{
var nestOption = new NestOption();
nestOption.Add("choice", new ChoiceOption("a", "b", "c"));
nestOption.Add("int", new UniformIntOption(0, 1));
var anotherNestOption = new NestOption();
anotherNestOption["choice"] = new ChoiceOption("d", "e");
anotherNestOption["int"] = new UniformIntOption(2, 3);
nestOption["nestOption"] = anotherNestOption;
nestOption.FeatureSpaceDim.Should().Be(4);
var parameter = nestOption.SampleFromFeatureSpace(new double[] { 0, 0, 0, 0 });
parameter["nestOption"]["choice"].AsType <string>().Should().Be("d");
parameter["nestOption"]["int"].AsType <int>().Should().Be(2);
parameter["choice"].AsType <string>().Should().Be("a");
parameter["int"].AsType <int>().Should().Be(0);
parameter = nestOption.SampleFromFeatureSpace(new double[] { 1, 1, 1, 1 });
parameter["nestOption"]["choice"].AsType <string>().Should().Be("e");
parameter["nestOption"]["int"].AsType <int>().Should().Be(3);
parameter["choice"].AsType <string>().Should().Be("c");
parameter["int"].AsType <int>().Should().Be(1);
}
public void NestOption_mapping_order_test()
{
// each dimension in uniform space should be mapping to the options under nest option in a certain (key ascending) order.
var nestOption = new NestOption();
nestOption["a"] = new UniformIntOption(0, 1);
nestOption["b"] = new UniformIntOption(1, 2);
nestOption["c"] = new UniformIntOption(2, 3);
// changing of the first dimension should be reflected in option "a"
var parameter = nestOption.SampleFromFeatureSpace(new double[] { 0, 0.5, 0.5 });
parameter["a"].AsType <int>().Should().Be(0);
parameter = nestOption.SampleFromFeatureSpace(new double[] { 1, 0.5, 0.5 });
parameter["a"].AsType <int>().Should().Be(1);
nestOption.Remove("a");
// the first dimension should be option "b"
parameter = nestOption.SampleFromFeatureSpace(new double[] { 0, 0.5 });
parameter["b"].AsType <int>().Should().Be(1);
parameter = nestOption.SampleFromFeatureSpace(new double[] { 1, 0.5 });
parameter["b"].AsType <int>().Should().Be(2);
}