public void ClassicPredictor_GetPredictionsWithChordsForLongSample_CallsGetPredictionCorrectly()
{
var predictor = new ClassicPredictor();
var(sampleRate, samples) = Chords.Profiling.Profiling.GetSamples("./Resources/about.wav");
var chords =
predictor.GetPredictionsWithChords(samples, sampleRate, 500, new Progress <int>());
var gChord = chords.FirstOrDefault(chord => chord.Name.Equals("G"));
var emChord = chords.FirstOrDefault(chord => chord.Name.Equals("Em"));
Assert.AreEqual(gChord.Name, "G");
Assert.AreEqual(emChord.Name, "Em");
bool areArraysEqual = true;
for (int i = 0; i < Math.Min(gChord.Samples.Length, emChord.Samples.Length); i++)
{
if (Math.Abs(gChord.Samples[i] - emChord.Samples[i]) > 1e-8)
{
areArraysEqual = false;
}
}
Assert.IsFalse(areArraysEqual);
}
public void ClassicPredictor_GetPredictionsForSample_CallsGetPredictionCorrectlyWithChord()
{
var predictor = new ClassicPredictor();
var(sampleRate, samples) = Chords.Profiling.Profiling.GetSamples("./Resources/d.wav");
var chord = predictor.GetPredictionWithChord(samples, sampleRate);
Assert.AreEqual(chord.Name, "D");
var pcp = Chords.Profiling.Profiling.PitchClassProfileForSamples(samples, sampleRate);
Assert.AreEqual(sampleRate, chord.SampleRate);
Assert.AreEqual(pcp.Length, chord.Pcp.Length);
for (var i = 0; i < pcp.Length; i++)
{
Assert.IsTrue(Math.Abs(pcp[i] - chord.Pcp[i]) < 1e-8);
}
Assert.AreEqual(samples.Length, chord.Samples.Length);
for (var i = 0; i < samples.Length; i++)
{
Assert.IsTrue(Math.Abs(samples[i] - chord.Samples[i]) < 1e-8);
}
}
public void ClassicPredictor_GetPredictionsForSample_CallsGetPredictionCorrectly()
{
var predictor = new ClassicPredictor();
var(sampleRate, samples) = Chords.Profiling.Profiling.GetSamples("./Resources/d.wav");
Assert.AreEqual(predictor.GetPrediction(samples, sampleRate), "D");
}
public void ClassicPredictor_GetPredictionsForFile_CallsGetPredictionCorrectly()
{
var predictor = new ClassicPredictor();
var predictions =
predictor.GetPredictionForFile("./Resources/about.wav", new Progress <int>(), 500);
Assert.IsTrue(predictions.Contains("G"));
Assert.IsTrue(predictions.Contains("Em"));
}
public void ClassicPredictor_GetPredictionsForLongSample_CallsGetPredictionCorrectly()
{
var predictor = new ClassicPredictor();
var(sampleRate, samples) = Chords.Profiling.Profiling.GetSamples("./Resources/about.wav");
var predictions =
predictor.GetPredictions(samples, sampleRate, 500, new Progress <int>());
Assert.IsTrue(predictions.Contains("G"));
Assert.IsTrue(predictions.Contains("Em"));
}
public void ClassicPredictor_GetPredictionWithBorderDetection()
{
var predictor = new ClassicPredictor();
var(sampleRate, samples) = Chords.Profiling.Profiling.GetSamples("./Resources/wind_of_change.wav");
var chords = predictor.GetPredictionWithBorderDetection(samples, sampleRate, 500, 100, new Progress <int>());
var totalSampleLength = chords.Select(chord => chord.Samples.Length).Aggregate((acc, val) => acc + val);
Assert.AreEqual(samples.Length, totalSampleLength);
Assert.AreEqual(chords[0].Name, "F");
Assert.AreEqual(chords[1].Name, "Dm");
Assert.AreEqual(chords[2].Name, "F");
}
