public void TestCustomFeaturizer()
{
var context = new MyContext() { Feature = new CustomClass() { X = 5 }};
using (var vw = new VowpalWabbit(""))
{
var serializer = VowpalWabbitSerializerFactory.CreateSerializer<MyContext>(new VowpalWabbitSettings(customFeaturizer: new List<Type> { typeof(CustomFeaturizer) }))
.Create(vw);
var example = serializer.Serialize(context);
Assert.IsNotNull(example);
example.Dispose();
}
Assert.IsTrue(context.Feature.HasVisited);
}
public void TestCustomFeaturizerOverideMethod()
{
var context = new MyContext() { Feature = new CustomClass() { X = 5 } };
using (var vw = new VowpalWabbit(""))
{
var serializer = VowpalWabbitSerializerFactory.CreateSerializer<MyContext>(new VowpalWabbitSettings(allFeatures: new List<FeatureExpression>
{
new FeatureExpression(typeof(CustomClass), "Feature",
// TODO: looks a bit awkward for an API. The compiler needs to know what property to access to copy the value into the Feature<T> object
valueExpression => Expression.Property(valueExpression, (PropertyInfo)ReflectionHelper.GetInfo((MyContext m) => m.Feature)),
overrideSerializeMethod: (MethodInfo)ReflectionHelper.GetInfo((CustomFeaturizer c) => c.MarshalFeature(null, null, null, null)))
})).Create(vw);
var example = serializer.Serialize(context);
Assert.IsNotNull(example);
example.Dispose();
}
Assert.IsTrue(context.Feature.HasVisited);
}
