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# Copyright (c) 1999-2016 Carnegie Mellon University. All rights
# reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# This work was supported in part by funding from the Defense Advanced
# Research Projects Agency and the National Science Foundation of the
# United States of America, and the CMU Sphinx Speech Consortium.
#
# THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
# ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
# NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from unittest import TestCase
from pocketsphinx import Pocketsphinx, Jsgf
class TestJsgf(TestCase):
def test_jsgf(self):
ps = Pocketsphinx(
lm='deps/pocketsphinx/test/data/turtle.lm.bin',
dic='deps/pocketsphinx/test/data/turtle.dic'
)
# Decoding with 'turtle' language model
ps.decode()
self.assertEqual(ps.hypothesis(), 'go forward ten meters')
# Switch to JSGF grammar
jsgf = Jsgf('deps/pocketsphinx/test/data/goforward.gram')
rule = jsgf.get_rule('goforward.move2')
fsg = jsgf.build_fsg(rule, ps.get_logmath(), 7.5)
ps.set_fsg('goforward', fsg)
ps.set_search('goforward')
# Decoding with 'goforward' grammar
ps.decode()
self.assertEqual(ps.hypothesis(), 'go forward ten meters')
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