public void IntervalTest()
{
var noteService = new NoteService();
var intervalService = new IntervalService();
var noteIntervalService = new NoteIntervalService(noteService, intervalService);
var intervals = noteIntervalService.GetNoteIntervals("A");
var perfectFifth = intervals.First(t => t.Interval.DistanceInSemiTones == 7);
Assert.Equal("E", perfectFifth.Note.Name);
Assert.Equal("A", intervals.Last().Note.Name);
Assert.Equal(Intervals.Octave, intervals.Last().Interval.Type);
}
public void AMajorChord()
{
var noteService = new NoteService();
var intervalService = new IntervalService();
var noteIntervalService = new NoteIntervalService(noteService, intervalService);
var chordService = new ChordService(noteIntervalService, noteService);
var aMajorChord = chordService.GetChord("A", Core.Chords.Major);
Assert.NotNull(aMajorChord);
Assert.Equal("A", aMajorChord.Key.Name);
// notes.
Assert.Equal("A", aMajorChord.Notes[0].Name);
Assert.Equal("C#", aMajorChord.Notes[1].Name);
Assert.Equal("E", aMajorChord.Notes[2].Name);
}
public void NextNote()
{
var noteService = new NoteService();
var intervalService = new IntervalService();
var noteIntervalService = new NoteIntervalService(noteService, intervalService);
var notes = noteService.GetNotes();
var a = noteService.GetNoteByName("A");
var asharp = noteIntervalService.NextNote(notes, a);
Assert.Equal("A#", asharp.Name); // semi tone higher.
var b = noteIntervalService.NextNote(notes, a, 2);
Assert.Equal("B", b.Name); // tone.
var nextA = noteIntervalService.NextNote(notes, a, 12);
Assert.Equal(a, nextA); // octave
}
