public void OptionBuilder_should_work_with_random_sweeper()
{
var context = new MLContext();
var builder = new TestOptionBuilderWithSweepableAttributeOnly();
var maximum = 10;
var sweeperOption = new UniformRandomSweeper.Option();
var randomSweeper = new UniformRandomSweeper(sweeperOption);
foreach (var sweeperOutput in randomSweeper.ProposeSweeps(builder, maximum))
{
maximum -= 1;
var option = builder.BuildFromParameters(sweeperOutput);
option.LongOption
.Should()
.BeLessOrEqualTo(100)
.And
.BeGreaterOrEqualTo(0);
option.FloatOption
.Should()
.BeLessOrEqualTo(100f)
.And
.BeGreaterOrEqualTo(0f);
option.StringOption
.Should()
.BeOneOf(new string[] { "str1", "str2", "str3", "str4" });
maximum.Should().BeGreaterThan(-2);
}
}
public void UniformRandomSweeperReturnsDistinctValuesWhenProposeSweep()
{
DiscreteValueGenerator valueGenerator = CreateDiscreteValueGenerator();
var env = new MLContext(42);
var sweeper = new UniformRandomSweeper(env,
new SweeperBase.OptionsBase(),
new[] { valueGenerator });
var results = sweeper.ProposeSweeps(3);
Assert.NotNull(results);
int length = results.Length;
Assert.Equal(2, length);
}
public void TestRandomSweeper()
{
using (var env = new ConsoleEnvironment(42))
{
var args = new SweeperBase.ArgumentsBase()
{
SweptParameters = new[] {
ComponentFactoryUtils.CreateFromFunction(
environ => new LongValueGenerator(new LongParamArguments()
{
Name = "foo", Min = 10, Max = 20
})),
ComponentFactoryUtils.CreateFromFunction(
environ => new LongValueGenerator(new LongParamArguments()
{
Name = "bar", Min = 100, Max = 200
}))
}
};
var sweeper = new UniformRandomSweeper(env, args);
var initialList = sweeper.ProposeSweeps(5, new List <RunResult>());
Assert.Equal(5, initialList.Length);
foreach (var parameterSet in initialList)
{
foreach (var parameterValue in parameterSet)
{
if (parameterValue.Name == "foo")
{
var val = long.Parse(parameterValue.ValueText);
Assert.InRange(val, 10, 20);
}
else if (parameterValue.Name == "bar")
{
var val = long.Parse(parameterValue.ValueText);
Assert.InRange(val, 100, 200);
}
else
{
Assert.True(false, "Wrong parameter");
}
}
}
}
}
public void UniformRandomSweeperReturnsDistinctValuesWhenProposeSweep()
{
DiscreteValueGenerator valueGenerator = CreateDiscreteValueGenerator();
using (var writer = new StreamWriter(new MemoryStream()))
using (var env = new ConsoleEnvironment(42, outWriter: writer, errWriter: writer))
{
var sweeper = new UniformRandomSweeper(env,
new SweeperBase.ArgumentsBase(),
new[] { valueGenerator });
var results = sweeper.ProposeSweeps(3);
Assert.NotNull(results);
int length = results.Length;
Assert.Equal(2, length);
}
}