def testKeySignature(self):
time = 0
track = 0
accidentals = 3
accidental_type = MINOR
mode = MAJOR
MyMIDI = MIDIFile(1)
MyMIDI.addKeySignature(track, time, accidentals, accidental_type, mode)
MyMIDI.close()
data = Decoder(MyMIDI.tracks[1].MIDIdata)
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'KeySignature')
self.assertEqual(data.unpack_into_byte(0), 0x00) # time
self.assertEqual(data.unpack_into_byte(1), 0xFF) # Code
self.assertEqual(data.unpack_into_byte(2), 0x59) # subcode
self.assertEqual(data.unpack_into_byte(3), 0x02) # Event subtype
self.assertEqual(data.unpack_into_byte(4), accidentals * accidental_type)
self.assertEqual(data.unpack_into_byte(5), mode)
def start_midifile(track, time, fname_no_ext, channel, volume, bpm):
mf = MIDIFile(1)
mf.addTrackName(track, time, fname_no_ext)
mf.addTempo(track, time, bpm)
mf.addKeySignature(track, time, 0, SHARPS, MAJOR)
return mf