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#!/usr/bin/python
import unittest
import os
from pocketsphinx import Decoder, Jsgf
DATADIR = os.path.join(os.path.dirname(__file__), "../../test/data")
class TestJsgf(unittest.TestCase):
def test_create_jsgf(self):
jsgf = Jsgf(os.path.join(DATADIR, "goforward.gram"))
del jsgf
def test_jsgf(self):
# Create a decoder with turtle language model
decoder = Decoder(lm=os.path.join(DATADIR, "turtle.lm.bin"),
dict=os.path.join(DATADIR, "turtle.dic"))
# Decode with lm
decoder.start_utt()
with open(os.path.join(DATADIR, "goforward.raw"), "rb") as stream:
while True:
buf = stream.read(1024)
if buf:
decoder.process_raw(buf, False, False)
else:
break
decoder.end_utt()
print('Decoding with "turtle" language:', decoder.hyp().hypstr)
self.assertEqual("go forward ten meters", decoder.hyp().hypstr)
# Switch to JSGF grammar
jsgf = Jsgf(os.path.join(DATADIR, "goforward.gram"))
rule = jsgf.get_rule("goforward.move2")
fsg = jsgf.build_fsg(rule, decoder.logmath, 7.5)
fsg.writefile("goforward.fsg")
self.assertTrue(os.path.exists("goforward.fsg"))
os.remove("goforward.fsg")
decoder.add_fsg("goforward", fsg)
self.assertNotEqual(decoder.current_search(), "goforward")
decoder.activate_search("goforward")
self.assertEqual(decoder.current_search(), "goforward")
self.assertTrue(decoder.get_fsg())
self.assertTrue(decoder.get_fsg("goforward"))
self.assertIsNone(decoder.get_lm("foobiebletch"))
decoder.start_utt()
with open(os.path.join(DATADIR, "goforward.raw"), "rb") as stream:
while True:
buf = stream.read(1024)
if buf:
decoder.process_raw(buf, False, False)
else:
break
decoder.end_utt()
print('Decoding with "goforward" grammar:', decoder.hyp().hypstr)
self.assertEqual("go forward ten meters", decoder.hyp().hypstr)
if __name__ == "__main__":
unittest.main()
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