def test_smallsysex_bytes_type(self):
s = SystemExclusive([0x1F], [100, 150, 200])
self.assertIsInstance(s, SystemExclusive)
self.assertEqual(s.manufacturer_id, bytes([0x1F]))
self.assertIsInstance(s.manufacturer_id, bytes)
# check this really is immutable (pylint also picks this up!)
with self.assertRaises(TypeError):
s.data[0] = 0 # pylint: disable=unsupported-assignment-operation
self.assertEqual(s.data, bytes([100, 150, 200]))
self.assertIsInstance(s.data, bytes)
def test_smallsysex_between_notes(self):
m = MIDI_mocked_both_loopback(3, 3)
m.send([
NoteOn("C4", 0x7F),
SystemExclusive([0x1F], [1, 2, 3, 4, 5, 6, 7, 8]),
NoteOff(60, 0x28),
])
msg1 = m.receive()
self.assertIsInstance(msg1, NoteOn)
self.assertEqual(msg1.note, 60)
self.assertEqual(msg1.velocity, 0x7F)
self.assertEqual(msg1.channel, 3)
msg2 = m.receive()
self.assertIsInstance(msg2, SystemExclusive)
self.assertEqual(msg2.manufacturer_id, bytes([0x1F]))
self.assertEqual(msg2.data, bytes([1, 2, 3, 4, 5, 6, 7, 8]))
self.assertEqual(msg2.channel, None) # SysEx does not have a channel
msg3 = m.receive()
self.assertIsInstance(msg3, NoteOff)
self.assertEqual(msg3.note, 60)
self.assertEqual(msg3.velocity, 0x28)
self.assertEqual(msg3.channel, 3)
msg4 = m.receive()
self.assertIsNone(msg4)
def test_larger_than_buffer_sysex(self):
c = 0
monster_data_len = 500
raw_data = (bytes(NoteOn("C5", 0x7F, channel=c)) + bytes(
SystemExclusive([0x02],
[d & 0x7F for d in range(monster_data_len)])) +
bytes(NoteOn("D5", 0x7F, channel=c)))
m = MIDI_mocked_receive(c, raw_data, [len(raw_data)])
buffer_len = m._in_buf_size # pylint: disable=protected-access
self.assertTrue(
monster_data_len > buffer_len,
"checking our SysEx truly is larger than buffer",
)
msg1 = m.receive()
self.assertIsInstance(msg1, NoteOn)
self.assertEqual(msg1.note, 72)
self.assertEqual(msg1.velocity, 0x7F)
self.assertEqual(msg1.channel, c)
# (Ab)using python's rounding down for negative division
# pylint: disable=unused-variable
for unused in range(-(-(1 + 1 + monster_data_len + 1) // buffer_len) -
1):
msg2 = m.receive()
self.assertIsNone(msg2)
# The current implementation will read SysEx end status byte
# and report it as an unknown
msg3 = m.receive()
self.assertIsInstance(msg3,
adafruit_midi.midi_message.MIDIUnknownEvent)
self.assertEqual(msg3.status, 0xF7)
self.assertIsNone(msg3.channel)
# (msg4, channel4) = m.receive()
# self.assertIsInstance(msg4, PitchBend)
# self.assertEqual(msg4.pitch_bend, 72)
# self.assertEqual(channel4, c)
msg5 = m.receive()
self.assertIsInstance(msg5, NoteOn)
self.assertEqual(msg5.note, 74)
self.assertEqual(msg5.velocity, 0x7F)
self.assertEqual(msg5.channel, c)
msg6 = m.receive()
self.assertIsNone(msg6)