def test_should_raise_exception_given_no_binary_was_found(mocker):
mocked_spawn = mocker.patch("transcriber_wrapper.backends.festival.distutils.spawn")
mocked_find_executable = mocked_spawn.find_executable
mocked_find_executable.return_value = None
with pytest.raises(BinaryNotFoundException):
FestivalBackend.discover_binary_location()
mocked_find_executable.assert_called_once_with("festival")
def test_should_build_command_properly_for_en_us():
transcriber = FestivalBackend("en-us", ",!")
built_command = transcriber.build_command("jafar")
assert len(built_command.commands) == 2
assert built_command.commands[0] == "/usr/bin/festival"
assert built_command.commands[1].endswith("scripts/festival.lisp")
assert built_command.env_variables["WORD"] == "jafar"
def test_should_raise_exception_given_no_version_was_found(mocker):
mocked_re = mocker.patch("transcriber_wrapper.backends.festival.re")
mocked_match = mocked_re.match
mocked_match.return_value = None
with pytest.raises(VersionNotFoundException):
FestivalBackend.version()
regex = r".* ([0-9\.]+[0-9]):"
target = "Festival Speech Synthesis System: 2.5.0:release December 2017"
mocked_match.assert_called_once_with(regex, target)
def build_transcriber(
language: str = "en-us", backend: str = "espeak", punctuation_marks: str = Restorer.default_punctuation_marks
) -> Transcriber:
if backend == "espeak":
return EspeakNGBackend(language, punctuation_marks)
if backend == "festival":
return FestivalBackend(language, punctuation_marks)
else:
raise UnsupportedBackendException
def test_should_return_binary_path():
espeak_path = FestivalBackend.discover_binary_location()
assert espeak_path == "/usr/bin/festival"
def test_should_instantiate_festival_properly():
festival = FestivalBackend("en-us", ",!")
assert festival.script_file.endswith("scripts/festival.lisp")
def test_should_support_only_valid_languages():
assert FestivalBackend.is_language_supported("en-us")
assert not FestivalBackend.is_language_supported("en-gb")
def test_should_return_long_version():
espeak_path = FestivalBackend.version()
assert espeak_path == "2.5.0"