async def test_large_chunk(self):
chunk_audio = bytes(range(100))
large_chunk = audio.AudioChunk(time.time(), chunk_audio, 2, 16000)
chunks = []
for chunk in audio.EvenChunkIterator(iter((large_chunk, )), 10):
chunks.append(chunk)
self.assertEqual(5, len(chunks))
self.assertEqual(large_chunk, audio.merge_chunks(chunks))
async def test_hello_44100_wave_get_chunk(self):
path = os.path.join(os.path.dirname(__file__),
'test_data/hello_44100.wav')
src = audio.WaveSource(path, chunk_frames=1000)
chunks = []
async with src.listen():
async for chunk in src.chunks:
chunks.append(chunk)
for chunk in chunks[:-1]:
self.assertEqual(2000, len(chunk.audio))
self.assertEqual(2, chunk.width)
self.assertEqual(44100, chunk.freq)
full_chunk = audio.merge_chunks(chunks)
self.assertEqual(2, full_chunk.width)
self.assertEqual(44100, full_chunk.freq)
async def test_split_join_chunk(self):
chunk_audio = bytes(range(100))
chunk = audio.AudioChunk(time.time(), chunk_audio, 2, 16000)
left_chunk, right_chunk = audio.split_chunk(chunk, 20)
cmp_chunk = audio.merge_chunks((left_chunk, right_chunk))
self.assertEqual(chunk, cmp_chunk)