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Updated tests for Ensemble
Co-authored-by: <Marc-Andre Weibezahn> contact@maweibezahn.com
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‎Tests/SoundpipeAudioKitTests/Effects Tests/EnsembleTests.swift

Lines changed: 136 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,6 +20,141 @@ class EnsembleTests: XCTestCase {
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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audio.audition()
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testMD5(audio)
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}
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func testAllVoicesActive() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test with all 9 voices active in different pitch shifts
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let ensemble = Ensemble(input,
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shifts: [-12, -9, -6, -3, 0, 3, 6, 9, 12],
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pans: [-1, -0.5, -0.25, 0, 0, 0, 0.25, 0.5, 1],
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dryWetMix: 1.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testArrayInitializer() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test the array initializer with a C major chord
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let ensemble = Ensemble(input,
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shifts: [0, 4, 7],
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pans: [-1, 0, 1],
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dryWetMix: 1.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testEmptyArrays() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test with empty arrays (should default to single voice at 0 shift)
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let ensemble = Ensemble(input,
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shifts: [],
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pans: [],
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dryWetMix: 1.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testSingleVoice() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test with single voice
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let ensemble = Ensemble(input,
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shifts: [5],
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pans: [0.5],
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dryWetMix: 1)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testDominantSeventhChord() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test a dominant 7th chord: C, E, G, Bb (0, 4, 7, 10 semitones)
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let ensemble = Ensemble(input,
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shifts: [0, 4, 7, 10],
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pans: [-0.5, -0.25, 0.25, 0.5],
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dryWetMix: 1.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testMicrotones() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test with microtonal intervals (quarter tones)
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let ensemble = Ensemble(input,
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shifts: [0, 0.5, 1.0, 1.5, 2.0],
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pans: [-1, -0.5, 0, 0.5, 1],
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dryWetMix: 1.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testDrySignalOnly() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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// Test with completely dry signal
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let ensemble = Ensemble(input,
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shifts: [0, 12, 24],
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pans: [-1, 0, 1],
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dryWetMix: 0.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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func testParameterAutomation() {
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let engine = AudioEngine()
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let url = Bundle.module.url(forResource: "12345", withExtension: "wav", subdirectory: "TestResources")!
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let input = AudioPlayer(url: url)!
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let ensemble = Ensemble(input,
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shifts: [0, 4, 7],
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pans: [-1, 0, 1],
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dryWetMix: 0.5)
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// Test parameter automation
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ensemble.$shift2.ramp(to: 12, duration: 2.0)
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ensemble.$pan2.ramp(to: -1, duration: 2.0)
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ensemble.$dryWetMix.ramp(to: 1.0, duration: 2.0)
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engine.output = ensemble
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let audio = engine.startTest(totalDuration: 5.0)
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input.play()
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audio.append(engine.render(duration: 5.0))
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testMD5(audio)
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}
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}

‎Tests/SoundpipeAudioKitTests/ValidatedMD5s.swift

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -54,5 +54,14 @@ let validatedMD5s: [String: String] = [
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"-[VocoderTests testVocoder]": "3836def448fed8ac901b179e943e6922",
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"-[VibratoTests testVibrato]": "4bad4a6d951683cf6745a79b96b6aae2",
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"-[VibratoTests testParameterSweep]": "cc3613847ed31d6566bbd4f6907e26e5",
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"-[PitchCorrectTests testPitchCorrect]": "9128a5a1eb68d491af693028fcbc9668"
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"-[PitchCorrectTests testPitchCorrect]": "9128a5a1eb68d491af693028fcbc9668",
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"-[EnsembleTests testAllVoicesActive]": "524b59ceb689d76e0ec5af4d8c2cddeb",
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"-[EnsembleTests testArrayInitializer]": "7ea6bf4e50e6463b468df5984fff4042",
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"-[EnsembleTests testDominantSeventhChord]": "254dede98cc20371240a0e0a74741db5",
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"-[EnsembleTests testDrySignalOnly]": "f0096d990a5621665c5378ce39c104b5",
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"-[EnsembleTests testEmptyArrays]": "68938c8097d4347c6acbe7b7f18fd6b6",
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"-[EnsembleTests testMajorChord]": "f8bb616ea1b9e7caffd3e7ff3d3da163",
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"-[EnsembleTests testMicrotones]": "e1b58fcb2e37b5108f1a53a07a0d122c",
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"-[EnsembleTests testParameterAutomation]": "9071f70f9536ecf746e810aa676d8544",
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"-[EnsembleTests testSingleVoice]": "8d3e03cd3ff04f5d299f0399e1bdd4e7"
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]

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