using FluentAssertions;

using NUnit.Framework;

namespace Spectrogram.Tests

{

class AudioFileTests

{

/// <summary>

/// Compare values read from the WAV reader against those read by Python's SciPy module (see script in /dev folder)

/// </summary>

[TestCase("cant-do-that-44100.wav", 44_100, 166_671, 1)]

[TestCase("03-02-03-01-02-01-19.wav", 48_000, 214_615, 1)]

[TestCase("qrss-10min.wav", 6_000, 3_600_000, 1)]

[TestCase("cant-do-that-11025-stereo.wav", 11_025, 41668, 2)]

[TestCase("asehgal-original.wav", 40_000, 1_600_000, 1)]

public void Test_AudioFile_LengthAndSampleRate(string filename, int knownRate, int knownLength, int channels)

{

string filePath = $"../../../../../data/{filename}";

(double[] audio, int sampleRate) = AudioFile.ReadWAV(filePath);

sampleRate.Should().Be(knownRate);

(audio.Length / channels).Should().Be(knownLength);

}

}

}