mycroft-core/test/client/audio_consumer_test.py

208 lines
7.1 KiB
Python

# Copyright 2016 Mycroft AI, Inc.
#
# This file is part of Mycroft Core.
#
# Mycroft Core is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Mycroft Core is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Mycroft Core. If not, see <http://www.gnu.org/licenses/>.
import unittest
from Queue import Queue
import speech_recognition
from os.path import dirname, join
from speech_recognition import WavFile, AudioData
from mycroft.client.speech.listener import AudioConsumer, RecognizerLoop
from mycroft.client.speech.recognizer_wrapper import (
RemoteRecognizerWrapperFactory
)
__author__ = 'seanfitz'
class MockRecognizer(object):
def __init__(self):
self.transcriptions = []
def recognize_google(self, audio, key=None, language=None, show_all=False):
if len(self.transcriptions) > 0:
return self.transcriptions.pop(0)
else:
raise speech_recognition.UnknownValueError()
def set_transcriptions(self, transcriptions):
self.transcriptions = transcriptions
class AudioConsumerTest(unittest.TestCase):
"""
AudioConsumerTest
"""
def setUp(self):
self.loop = RecognizerLoop()
self.queue = Queue()
self.recognizer = MockRecognizer()
self.consumer = AudioConsumer(
self.loop.state,
self.queue,
self.loop,
self.loop.wakeup_recognizer,
self.loop.mycroft_recognizer,
RemoteRecognizerWrapperFactory.wrap_recognizer(
self.recognizer, 'google'))
def __create_sample_from_test_file(self, sample_name):
root_dir = dirname(dirname(dirname(__file__)))
filename = join(
root_dir, 'test', 'client', 'data', sample_name + '.wav')
wavfile = WavFile(filename)
with wavfile as source:
return AudioData(
source.stream.read(), wavfile.SAMPLE_RATE,
wavfile.SAMPLE_WIDTH)
def test_word_extraction(self):
"""
This is intended to test the extraction of the word: ``mycroft``.
The values for ``ideal_begin`` and ``ideal_end`` were found using an
audio tool like Audacity and they represent a sample value position of
the audio. ``tolerance`` is an acceptable margin error for the distance
between the ideal and actual values found by the ``WordExtractor``
"""
# TODO: implement WordExtractor test without relying on the listener
return
audio = self.__create_sample_from_test_file('weather_mycroft')
self.queue.put(audio)
tolerance = 4000
ideal_begin = 70000
ideal_end = 92000
monitor = {}
self.recognizer.set_transcriptions(["what's the weather next week"])
def wakeword_callback(message):
monitor['pos_begin'] = message.get('pos_begin')
monitor['pos_end'] = message.get('pos_end')
self.loop.once('recognizer_loop:wakeword', wakeword_callback)
self.consumer.read_audio()
actual_begin = monitor.get('pos_begin')
self.assertIsNotNone(actual_begin)
diff = abs(actual_begin - ideal_begin)
self.assertTrue(
diff <= tolerance,
str(diff) + " is not less than " + str(tolerance))
actual_end = monitor.get('pos_end')
self.assertIsNotNone(actual_end)
diff = abs(actual_end - ideal_end)
self.assertTrue(
diff <= tolerance,
str(diff) + " is not less than " + str(tolerance))
def test_wakeword_in_beginning(self):
self.queue.put(self.__create_sample_from_test_file('weather_mycroft'))
self.recognizer.set_transcriptions(["what's the weather next week"])
monitor = {}
def callback(message):
monitor['utterances'] = message.get('utterances')
self.loop.once('recognizer_loop:utterance', callback)
self.consumer.read_audio()
utterances = monitor.get('utterances')
self.assertIsNotNone(utterances)
self.assertTrue(len(utterances) == 1)
self.assertEquals("what's the weather next week", utterances[0])
def test_wakeword(self):
self.queue.put(self.__create_sample_from_test_file('mycroft'))
self.recognizer.set_transcriptions(["silence"])
monitor = {}
def callback(message):
monitor['utterances'] = message.get('utterances')
self.loop.once('recognizer_loop:utterance', callback)
self.consumer.read_audio()
utterances = monitor.get('utterances')
self.assertIsNotNone(utterances)
self.assertTrue(len(utterances) == 1)
self.assertEquals("silence", utterances[0])
def test_ignore_wakeword_when_sleeping(self):
self.queue.put(self.__create_sample_from_test_file('mycroft'))
self.recognizer.set_transcriptions(["not detected"])
self.loop.sleep()
monitor = {}
def wakeword_callback(message):
monitor['wakeword'] = message.get('utterance')
self.loop.once('recognizer_loop:wakeword', wakeword_callback)
self.consumer.read_audio()
self.assertIsNone(monitor.get('wakeword'))
self.assertTrue(self.loop.state.sleeping)
def test_wakeup(self):
self.queue.put(self.__create_sample_from_test_file('mycroft_wakeup'))
self.loop.sleep()
self.consumer.read_audio()
self.assertFalse(self.loop.state.sleeping)
def test_stop(self):
self.queue.put(self.__create_sample_from_test_file('mycroft'))
self.consumer.read_audio()
self.queue.put(self.__create_sample_from_test_file('stop'))
self.recognizer.set_transcriptions(["stop"])
monitor = {}
def utterance_callback(message):
monitor['utterances'] = message.get('utterances')
self.loop.once('recognizer_loop:utterance', utterance_callback)
self.consumer.read_audio()
utterances = monitor.get('utterances')
self.assertIsNotNone(utterances)
self.assertTrue(len(utterances) == 1)
self.assertEquals("stop", utterances[0])
def test_record(self):
self.queue.put(self.__create_sample_from_test_file('mycroft'))
self.consumer.read_audio()
self.queue.put(self.__create_sample_from_test_file('record'))
self.recognizer.set_transcriptions(["record"])
monitor = {}
def utterance_callback(message):
monitor['utterances'] = message.get('utterances')
self.loop.once('recognizer_loop:utterance', utterance_callback)
self.consumer.read_audio()
utterances = monitor.get('utterances')
self.assertIsNotNone(utterances)
self.assertTrue(len(utterances) == 1)
self.assertEquals("record", utterances[0])