def test_create(self):
with self.assertRaises(NotImplementedError) as context:
Listener(recogniser=self.mock_recogniser,
microphone=self.mock_microphone)
self.assertIn(
'No available speech to text recognition service chosen.',
str(context.exception))
class TestListenerWithSphinx(TestCase):
def setUp(self):
self.mock_recogniser = Mock(autospec='sr.Recognizer')
self.mock_microphone = MagicMock(autospec='sr.Microphone')
self.listener = Listener(service='sphinx',
recogniser=self.mock_recogniser,
microphone=self.mock_microphone)
def test_create(self):
self.assertIsInstance(self.listener, Listener)
def test_listen(self):
self.listener.listen()
# __enter__ is needed due to logic in listener class being inside a python 'with' block
# when you use 'with', this calls a magic method of __enter__ passing result to 'as'
self.mock_recogniser.assert_has_calls([
# Need to add if adjusting the main listener for ambient noise
# call.adjust_for_ambient_noise(self.mock_microphone.__enter__()),
call.listen(self.mock_microphone.__enter__())
])
def test_listen_raises_value_error(self):
with patch.object(self.listener, 'transcribe') as transcribe:
transcribe.side_effect = sr.UnknownValueError()
with self.assertRaises(ValueError) as context:
self.listener.listen()
self.assertIn('Could not translate speech', str(context.exception))
def test_transcribe(self):
audio = lambda: None
self.listener.transcribe(audio)
self.mock_recogniser.recognize_sphinx.assert_called_once_with(audio)
def __init__(self, listener=None, speaker=None):
self.__listener = listener or Listener(
service='sphinx') # sphinx | google
self.__speaker = speaker or Speaker(service='say') # say | espeak
def setUp(self):
self.mock_recogniser = Mock(autospec='sr.Recognizer')
self.mock_microphone = MagicMock(autospec='sr.Microphone')
self.listener = Listener(service='sphinx',
recogniser=self.mock_recogniser,
microphone=self.mock_microphone)