google-cloud-python/speech/unit_tests/test_sample.py at master · scottcode/google-cloud-python · GitHub

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# 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)

google-cloud-python/speech/unit_tests/test_sample.py at master · scottcode/google-cloud-python · GitHub

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