public void testBestSequenceZeroLengthInput()
{
var sequence = new string[0];
IBeamSearchContextGenerator <string> cg = new IdentityFeatureGenerator(sequence);
var outcomes = new[] { "1", "2", "3" };
var model = new IdentityModel(outcomes);
var bs = new BeamSearch <string>(3, cg, model);
var seq = bs.BestSequence(sequence, null);
Assert.NotNull(seq);
Assert.AreEqual(sequence.Length, seq.Outcomes.Count);
}
public void TestBestSequenceOneElementInput()
{
var sequence = new[] { "1" };
var cg = new IdentityFeatureGenerator(sequence);
var outcomes = new[] { "1", "2", "3" };
var model = new IdentityModel(outcomes);
var bs = new BeamSearch <string>(3, cg, model);
var seq = bs.BestSequence(sequence, null);
Assert.NotNull(seq);
Assert.AreEqual(sequence.Length, seq.Outcomes.Count);
Assert.AreEqual("1", seq.Outcomes[0]);
}
public void testBestSequenceWithValidator()
{
var sequence = new[] { "1", "2", "3", "2", "1" };
var cg = new IdentityFeatureGenerator(sequence);
var outcomes = new[] { "1", "2", "3" };
var model = new IdentityModel(outcomes);
var bs = new BeamSearch <string>(2, cg, model, new SequenceValidator(), 0);
var seq = bs.BestSequence(sequence, null);
Assert.NotNull(seq);
Assert.AreEqual(sequence.Length, seq.Outcomes.Count);
Assert.AreEqual("1", seq.Outcomes[0]);
Assert.AreNotSame("2", seq.Outcomes[1]);
Assert.AreEqual("3", seq.Outcomes[2]);
Assert.AreNotSame("2", seq.Outcomes[3]);
Assert.AreEqual("1", seq.Outcomes[4]);
}