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Copy pathtest_sample.py
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113 lines (91 loc) · 4.07 KB
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# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
class TestSample(unittest.TestCase):
SAMPLE_RATE = 16000
AUDIO_SOURCE_URI = 'gs://sample-bucket/sample-recording.flac'
@staticmethod
def _get_target_class():
from google.cloud.speech.sample import Sample
return Sample
def _make_one(self, *args, **kw):
return self._get_target_class()(*args, **kw)
def test_initialize_sample(self):
from google.cloud.speech.encoding import Encoding
sample = self._make_one(
source_uri=self.AUDIO_SOURCE_URI, encoding=Encoding.FLAC,
sample_rate=self.SAMPLE_RATE)
self.assertEqual(sample.source_uri, self.AUDIO_SOURCE_URI)
self.assertEqual(sample.encoding, Encoding.FLAC)
self.assertEqual(sample.sample_rate, self.SAMPLE_RATE)
def test_content_and_source_uri(self):
from io import BytesIO
with self.assertRaises(ValueError):
self._make_one(
content='awefawagaeragere', source_uri=self.AUDIO_SOURCE_URI)
with self.assertRaises(ValueError):
self._make_one(
stream=BytesIO(b'awefawagaeragere'),
source_uri=self.AUDIO_SOURCE_URI)
with self.assertRaises(ValueError):
self._make_one(
content='awefawagaeragere',
stream=BytesIO(b'awefawagaeragere'),
source_uri=self.AUDIO_SOURCE_URI)
def test_stream_property(self):
from io import BytesIO
from google.cloud.speech.encoding import Encoding
data = b'abc 1 2 3 4'
stream = BytesIO(data)
sample = self._make_one(
stream=stream, encoding=Encoding.FLAC,
sample_rate=self.SAMPLE_RATE)
self.assertEqual(sample.stream, stream)
self.assertEqual(sample.stream.read(), data)
def test_bytes_converts_to_file_like_object(self):
from google.cloud import speech
from google.cloud.speech.sample import Sample
test_bytes = b'testing 1 2 3'
sample = Sample(
content=test_bytes, encoding=speech.Encoding.FLAC,
sample_rate=self.SAMPLE_RATE)
self.assertEqual(sample.content, test_bytes)
self.assertEqual(sample.encoding, speech.Encoding.FLAC)
self.assertEqual(sample.sample_rate, self.SAMPLE_RATE)
def test_sample_rates(self):
from google.cloud.speech.encoding import Encoding
with self.assertRaises(ValueError):
self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=7999)
with self.assertRaises(ValueError):
self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=48001)
sample = self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=self.SAMPLE_RATE,
encoding=Encoding.FLAC)
self.assertEqual(sample.sample_rate, self.SAMPLE_RATE)
self.assertEqual(sample.encoding, Encoding.FLAC)
def test_encoding(self):
from google.cloud.speech.encoding import Encoding
with self.assertRaises(ValueError):
self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=self.SAMPLE_RATE,
encoding='OGG')
with self.assertRaises(ValueError):
self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=self.SAMPLE_RATE)
sample = self._make_one(
source_uri=self.AUDIO_SOURCE_URI, sample_rate=self.SAMPLE_RATE,
encoding=Encoding.FLAC)
self.assertEqual(sample.encoding, Encoding.FLAC)