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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the error callback"""
import unittest
from unittest import mock
import rtmidi
class TestErrorCallback(unittest.TestCase):
INVALID_PORT_NUMBER = 9999
MIDI_OUT_ERROR_USER_DATA = 'midiOutError'
MIDI_IN_ERROR_USER_DATA = 'midiInError'
def setUp(self):
self.midi_out = rtmidi.MidiOut()
self.midi_in = rtmidi.MidiIn()
def test_default_error_handler(self):
with self.assertRaises(rtmidi.InvalidPortError):
self.midi_out.open_port(self.INVALID_PORT_NUMBER)
def test_midiout_error_callback(self):
errcb = mock.Mock()
self.midi_out.set_error_callback(errcb, self.MIDI_OUT_ERROR_USER_DATA)
self.midi_out.open_port(self.INVALID_PORT_NUMBER)
errcb.assert_called_with(rtmidi.ERRORTYPE_INVALID_PARAMETER,
mock.ANY,
self.MIDI_OUT_ERROR_USER_DATA)
def test_midiin_error_callback(self):
errcb = mock.Mock()
self.midi_in.set_error_callback(errcb, self.MIDI_IN_ERROR_USER_DATA)
self.midi_in.open_port(self.INVALID_PORT_NUMBER)
errcb.assert_called_with(rtmidi.ERRORTYPE_INVALID_PARAMETER,
mock.ANY,
self.MIDI_IN_ERROR_USER_DATA)
def test_error_callback_without_user_data(self):
errcb = mock.Mock()
self.midi_out.set_error_callback(errcb)
self.midi_out.open_port(self.INVALID_PORT_NUMBER)
errcb.assert_called_with(rtmidi.ERRORTYPE_INVALID_PARAMETER,
mock.ANY,
None)
def test_cancel_error_callback(self):
errcb = mock.Mock()
self.midi_out.set_error_callback(errcb)
self.midi_out.cancel_error_callback()
try:
self.midi_out.open_port(self.INVALID_PORT_NUMBER)
except rtmidi.InvalidPortError:
pass
errcb.assert_not_called()
if __name__ == '__main__':
unittest.main()
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