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import unittest
import tempfile
from pyknon.MidiFile import MIDIFile
from pyknon.genmidi import Midi, MidiError
from pyknon.music import NoteSeq, Note, Rest
class TestMidi(unittest.TestCase):
def test_init(self):
midi = Midi(1, tempo=120)
self.assertEqual(midi.number_tracks, 1)
self.assertIsInstance(midi.midi_data, MIDIFile)
def test_seq_notes_with_more_tracks_than_exists(self):
midi = Midi(1)
with self.assertRaises(MidiError):
midi.seq_notes(NoteSeq("C D"), track=0)
midi.seq_notes(NoteSeq("D E"), track=1)
def test_seq_notes(self):
midi = Midi(2)
midi.seq_notes(NoteSeq("C D"), track=0)
midi.seq_notes(NoteSeq("D E"), track=1)
def test_seq_chords(self):
chords = [NoteSeq("C E G"), NoteSeq("G B D")]
midi = Midi()
midi.seq_chords(chords)
def test_seq_chords_with_rest(self):
chords = [Rest(), NoteSeq("G B D")]
midi = Midi()
midi.seq_chords(chords)
class TestWriteMidi(unittest.TestCase):
def test_write_midifile(self):
notes1 = NoteSeq("D4 F#8 R A")
midi = Midi(1, tempo=133)
midi.seq_notes(notes1, track=0)
midi.write(tempfile.TemporaryFile())
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