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# SPDX-FileCopyrightText: 2017 Ole Martin Bjorndalen <ombdalen@gmail.com>
#
# SPDX-License-Identifier: MIT
from pytest import raises
from mido.messages.decode import decode_message
def sysex(data):
"""Make sysex data."""
return [0xf0] + list(data) + [0xf7]
def test_sysex():
data = b'\xf0\x01\x02\x03\xf7'
msg = {'type': 'sysex', 'data': (1, 2, 3), 'time': 0}
assert decode_message(data) == msg
def test_channel():
assert decode_message(b'\x91\x00\x00')['channel'] == 1
def test_sysex_end():
with raises(ValueError):
decode_message(b'\xf0\x00\x12')
def test_zero_bytes():
with raises(ValueError):
decode_message(b'')
def test_too_few_bytes():
with raises(ValueError):
decode_message(b'\x90')
def test_too_many_bytes():
with raises(ValueError):
decode_message(b'\x90\x00\x00\x00')
def test_invalid_status():
with raises(ValueError):
decode_message(b'\x00')
def test_sysex_without_stop_byte():
with raises(ValueError):
decode_message([0xf0])
with raises(ValueError):
decode_message([0xf0, 0])
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