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TestNull.cs
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TestNull.cs
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using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using VW;
using VW.Labels;
using VW.Serializer.Attributes;
namespace cs_unittest
{
[TestClass]
public class TestNull
{
[TestMethod]
[TestCategory("Vowpal Wabbit/Marshal")]
public void TestNull1()
{
using (var vw = new VowpalWabbit<Context, ADF>("--cb_adf --rank_all --interact ab"))
{
var ctx = new Context()
{
ID = 25,
Vector = null,
ActionDependentFeatures = new[] {
new ADF {
ADFID = "23"
}
}.ToList()
};
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, new ContextualBanditLabel()
{
Action = 1,
Cost = 1,
Probability = 0.2f
});
var result = vw.Predict(ctx, ctx.ActionDependentFeatures);
Assert.AreEqual(1, result.Length);
}
}
[TestMethod]
[TestCategory("Vowpal Wabbit/Marshal")]
public void TestNull2()
{
using (var vw = new VowpalWabbit<Context, ADF>("--cb_adf --rank_all --interact ab"))
{
var ctx = new Context()
{
ID = 25,
Vector = null,
ActionDependentFeatures = new[] {
new ADF {
ADFID = "23",
}
}.ToList()
};
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, new ContextualBanditLabel() {
Action = 1,
Cost= 1,
Probability = 0.2f
});
}
}
[TestMethod]
[TestCategory("Vowpal Wabbit/Marshal")]
public void TestNull3()
{
using (var vw = new VowpalWabbit<Context, ADF>("--cb_adf --rank_all --interact ac"))
{
var ctx = new Context()
{
ID = 25,
Vector = new float[] { 3 },
VectorC = new float[] { 2, 2, 3 },
ActionDependentFeatures = new[] {
new ADF {
ADFID = "23",
}
}.ToList()
};
var label = new ContextualBanditLabel() {
Action = 1,
Cost= 1,
Probability = 0.2f
};
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
ctx.Vector = null;
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
ctx.Vector = new float[] { 2 };
ctx.VectorC = null;
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
ctx.Vector = null;
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
}
}
[TestMethod]
[TestCategory("Vowpal Wabbit/Marshal")]
public void TestNull4()
{
using (var vw = new VowpalWabbit<Context, ADF>("--cb_adf --rank_all --interact ab"))
{
var ctx = new Context()
{
ID = 25,
Vector = null,
ActionDependentFeatures = new[] {
new ADF {
ADFID = null
}
}.ToList()
};
var label = new ContextualBanditLabel()
{
Action = 1,
Cost= 1,
Probability = 0.2f
};
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
var result = vw.Predict(ctx, ctx.ActionDependentFeatures);
Assert.AreEqual(1, result.Length);
ctx.ID = null;
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
result = vw.Predict(ctx, ctx.ActionDependentFeatures);
Assert.AreEqual(1, result.Length);
}
}
[TestMethod]
[TestCategory("Vowpal Wabbit/Marshal")]
public void TestNull5()
{
using (var vw = new VowpalWabbit<Context, ADF>("--cb_adf --rank_all --interact ab"))
{
var ctx = new Context()
{
ID = 25,
ActionDependentFeatures = new[] {
new ADF {
ADFID = "123"
},
new ADF(),
new ADF(),
new ADF { ADFID = "4"}
}.ToList()
};
var label = new ContextualBanditLabel()
{
Action = 1,
Cost = 1,
Probability = 0.2f
};
vw.Learn(ctx, ctx.ActionDependentFeatures, 0, label);
var result = vw.Predict(ctx, ctx.ActionDependentFeatures);
Assert.AreEqual(4, result.Length);
ctx.ActionDependentFeatures[0].ADFID = null;
ctx.ActionDependentFeatures[3].ADFID = null;
result = vw.Predict(ctx, ctx.ActionDependentFeatures);
Assert.AreEqual(4, result.Length);
}
}
}
public class ADF
{
[Feature]
public string ADFID { get; set; }
[Feature(FeatureGroup = 'b', AddAnchor = true)]
public float[] Vector { get; set; }
public ILabel Label { get; set; }
}
public class Context
{
[Feature]
public int? ID { get; set; }
[Feature(FeatureGroup = 'a', AddAnchor = true)]
public float[] Vector { get; set; }
[Feature(FeatureGroup = 'c')]
public float[] VectorC { get; set; }
public IReadOnlyList<ADF> ActionDependentFeatures { get; set; }
}
}