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 test_should_return_long_version():
espeak_path = FestivalBackend.version()
assert espeak_path == "2.5.0"