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1,519 changes: 1,296 additions & 223 deletions
1,519
DryWetMidi.Tests/Devices/Playback/PlaybackTests.cs
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DryWetMidi.Tests/Devices/Playback/PlaybackUtilitiesTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Linq; | ||
| using Melanchall.DryWetMidi.Common; | ||
| using Melanchall.DryWetMidi.Devices; | ||
| using Melanchall.DryWetMidi.Smf; | ||
| using Melanchall.DryWetMidi.Smf.Interaction; | ||
| using Melanchall.DryWetMidi.Standards; | ||
| using Melanchall.DryWetMidi.Tests.Utilities; | ||
| using NUnit.Framework; | ||
|
|
||
| namespace Melanchall.DryWetMidi.Tests.Devices | ||
| { | ||
| [TestFixture] | ||
| public sealed class PlaybackUtilitiesTests | ||
| { | ||
| #region Constants | ||
|
|
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| private const int RetriesNumber = 3; | ||
|
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| #endregion | ||
|
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| #region Nested classes | ||
|
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| private sealed class ReceivedNote | ||
| { | ||
| #region Constructor | ||
|
|
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| public ReceivedNote(Note note, TimeSpan time) | ||
| { | ||
| Note = note; | ||
| Time = time; | ||
| } | ||
|
|
||
| #endregion | ||
|
|
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| #region Properties | ||
|
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| public Note Note { get; } | ||
|
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| public TimeSpan Time { get; } | ||
|
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| #endregion | ||
| } | ||
|
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| #endregion | ||
|
|
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| #region Test methods | ||
|
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| [Retry(RetriesNumber)] | ||
| [Test] | ||
| public void CheckNotesPlayback_ProgramNumber() | ||
| { | ||
| var programNumber = (SevenBitNumber)100; | ||
| CheckNotesPlayback( | ||
| (notes, tempoMap, outputDevice) => notes.GetPlayback(tempoMap, outputDevice, programNumber), | ||
| channel => new[] { new ProgramChangeEvent(programNumber) { Channel = channel } }); | ||
| } | ||
|
|
||
| [Retry(RetriesNumber)] | ||
| [Test] | ||
| public void CheckNotesPlayback_GeneralMidiProgram() | ||
| { | ||
| var generalMidiProgram = GeneralMidiProgram.Agogo; | ||
| CheckNotesPlayback( | ||
| (notes, tempoMap, outputDevice) => notes.GetPlayback(tempoMap, outputDevice, generalMidiProgram), | ||
| channel => new[] { generalMidiProgram.GetProgramEvent(channel) }); | ||
| } | ||
|
|
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| [Retry(RetriesNumber)] | ||
| [Test] | ||
| public void CheckNotesPlayback_GeneralMidi2Program() | ||
| { | ||
| var generalMidi2Program = GeneralMidi2Program.AnalogSynthBrass2; | ||
| CheckNotesPlayback( | ||
| (notes, tempoMap, outputDevice) => notes.GetPlayback(tempoMap, outputDevice, generalMidi2Program), | ||
| channel => generalMidi2Program.GetProgramEvents(channel)); | ||
| } | ||
|
|
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| #endregion | ||
|
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| #region Methods | ||
|
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| private static void CheckNotesPlayback(Func<IEnumerable<Note>, TempoMap, OutputDevice, Playback> playbackGetter, | ||
| Func<FourBitNumber, IEnumerable<MidiEvent>> programEventsGetter) | ||
| { | ||
| var tempoMap = TempoMap.Default; | ||
| var channel1 = (FourBitNumber)5; | ||
| var channel2 = (FourBitNumber)7; | ||
|
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| var notes1 = new PatternBuilder() | ||
| .Note(DryWetMidi.MusicTheory.NoteName.A, new MetricTimeSpan(0, 0, 5)) | ||
| .MoveToTime(new MetricTimeSpan(0, 0, 1)) | ||
| .Note(DryWetMidi.MusicTheory.NoteName.B, new MetricTimeSpan(0, 0, 1)) | ||
| .Note(DryWetMidi.MusicTheory.NoteName.C, new MetricTimeSpan(0, 0, 1)) | ||
| .Build() | ||
| .ToTrackChunk(tempoMap, channel1) | ||
| .GetNotes(); | ||
| var notes2 = new PatternBuilder() | ||
| .StepForward(new MetricTimeSpan(0, 0, 2)) | ||
| .Note(DryWetMidi.MusicTheory.NoteName.D, new MetricTimeSpan(0, 0, 5)) | ||
| .Build() | ||
| .ToTrackChunk(tempoMap, channel2) | ||
| .GetNotes(); | ||
| var notes = notes1.Concat(notes2).ToList(); | ||
|
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| CheckNotesPlayback(notes, (m, d) => playbackGetter(notes, m, d), programEventsGetter); | ||
| } | ||
|
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| private static void CheckNotesPlayback(IEnumerable<Note> notes, | ||
| Func<TempoMap, OutputDevice, Playback> playbackGetter, | ||
| Func<FourBitNumber, IEnumerable<MidiEvent>> programEventsGetter) | ||
| { | ||
| var tempoMap = TempoMap.Default; | ||
| var stopwatch = new Stopwatch(); | ||
|
|
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| var receivedNotesStarted = new List<ReceivedNote>(); | ||
| var receivedNotesFinished = new List<ReceivedNote>(); | ||
|
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| var expectedReceivedNotesStarted = notes.OrderBy(n => n.Time) | ||
| .Select(n => new ReceivedNote(n, n.TimeAs<MetricTimeSpan>(tempoMap))) | ||
| .ToList(); | ||
| var expectedReceivedNotesFinished = notes.OrderBy(n => n.Time + n.Length) | ||
| .Select(n => new ReceivedNote(n, n.TimeAs<MetricTimeSpan>(tempoMap) + n.LengthAs<MetricTimeSpan>(tempoMap))) | ||
| .ToList(); | ||
|
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| var sentEvents = new List<SentEvent>(); | ||
|
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| using (var outputDevice = OutputDevice.GetByName(SendReceiveUtilities.DeviceToTestOnName)) | ||
| { | ||
| outputDevice.EventSent += (_, e) => sentEvents.Add(new SentEvent(e.Event, stopwatch.Elapsed)); | ||
|
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| using (var playback = playbackGetter(tempoMap, outputDevice)) | ||
| { | ||
| playback.NotesPlaybackStarted += (_, e) => receivedNotesStarted.AddRange(e.Notes.Select(n => new ReceivedNote(n, stopwatch.Elapsed))); | ||
| playback.NotesPlaybackFinished += (_, e) => receivedNotesFinished.AddRange(e.Notes.Select(n => new ReceivedNote(n, stopwatch.Elapsed))); | ||
|
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| stopwatch.Start(); | ||
| playback.Play(); | ||
|
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| Assert.IsFalse(playback.IsRunning, "Playback is running after completed."); | ||
| } | ||
| } | ||
|
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| CompareReceivedNotes(receivedNotesStarted, expectedReceivedNotesStarted); | ||
| CompareReceivedNotes(receivedNotesFinished, expectedReceivedNotesFinished); | ||
|
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| var expectedProgramEvents = notes.Select(n => n.Channel).Distinct().SelectMany(c => programEventsGetter(c)).ToList(); | ||
|
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| CheckProgramEvents(sentEvents, expectedProgramEvents); | ||
| } | ||
|
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| private static void CompareReceivedNotes(IReadOnlyList<ReceivedNote> receivedNotes, IReadOnlyList<ReceivedNote> expectedReceivedNotes) | ||
| { | ||
| Assert.AreEqual(expectedReceivedNotes.Count, receivedNotes.Count, "Count of received notes is invalid."); | ||
|
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| for (var i = 0; i < receivedNotes.Count; i++) | ||
| { | ||
| var receivedNote = receivedNotes[i]; | ||
| var expectedReceivedNote = expectedReceivedNotes[i]; | ||
|
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| Assert.AreSame(expectedReceivedNote.Note, receivedNote.Note, $"Received note {receivedNote.Note} is not {expectedReceivedNote.Note}."); | ||
|
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| var offsetFromExpectedTime = (receivedNote.Time - expectedReceivedNote.Time).Duration(); | ||
| Assert.LessOrEqual( | ||
| offsetFromExpectedTime, | ||
| SendReceiveUtilities.MaximumEventSendReceiveDelay, | ||
| $"Note was received at wrong time (at {receivedNote.Time} instead of {expectedReceivedNote.Time})."); | ||
| } | ||
| } | ||
|
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| private static void CheckProgramEvents(IReadOnlyList<SentEvent> sentEvents, IReadOnlyList<MidiEvent> expectedProgramEvents) | ||
| { | ||
| foreach (var programEvent in expectedProgramEvents) | ||
| { | ||
| var sentEvent = sentEvents.FirstOrDefault(e => MidiEventEquality.AreEqual(e.Event, programEvent, false)); | ||
| Assert.IsNotNull(sentEvent, $"Program event {programEvent} was not sent."); | ||
|
|
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| Assert.LessOrEqual( | ||
| sentEvent.Time, | ||
| SendReceiveUtilities.MaximumEventSendReceiveDelay, | ||
| $"Program event was sent at wrong time (at {sentEvent.Time} instead of zero)."); | ||
| } | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
| } |
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