ref: f862b85478065d5a23a9a3ff48c1093422eec278
dir: /python/tests/test_sink.py/
#! /usr/bin/env python
from numpy.testing import TestCase
from aubio import fvec, source, sink
from utils import list_all_sounds, get_tmp_sink_path, del_tmp_sink_path
from utils import parse_file_samplerate
from _tools import parametrize, skipTest, assert_raises, assert_warns
list_of_sounds = list_all_sounds('sounds')
samplerates = [0, 44100, 8000, 32000]
hop_sizes = [512, 1024, 64]
path = None
many_files = 300 # 256 opened files is too much
all_params = []
for soundfile in list_of_sounds:
for hop_size in hop_sizes:
for samplerate in samplerates:
all_params.append((hop_size, samplerate, soundfile))
class Test_aubio_sink(object):
def test_wrong_filename(self):
with assert_raises(RuntimeError):
sink('')
def test_wrong_samplerate(self):
with assert_raises(RuntimeError):
sink(get_tmp_sink_path(), -1)
def test_wrong_samplerate_too_large(self):
with assert_raises(RuntimeError):
sink(get_tmp_sink_path(), 1536001, 2)
def test_wrong_channels(self):
with assert_raises(RuntimeError):
sink(get_tmp_sink_path(), 44100, -1)
def test_wrong_channels_too_large(self):
with assert_raises(RuntimeError):
sink(get_tmp_sink_path(), 44100, 202020)
def test_many_sinks(self):
from tempfile import mkdtemp
import os.path
import shutil
tmpdir = mkdtemp()
sink_list = []
for i in range(many_files):
path = os.path.join(tmpdir, 'f-' + str(i) + '.wav')
g = sink(path, 0)
sink_list.append(g)
write = 32
for _ in range(200):
vec = fvec(write)
g(vec, write)
g.close()
shutil.rmtree(tmpdir)
@parametrize('hop_size, samplerate, path', all_params)
def test_read_and_write(self, hop_size, samplerate, path):
orig_samplerate = parse_file_samplerate(soundfile)
try:
if orig_samplerate is not None and orig_samplerate < samplerate:
# upsampling should emit a warning
with assert_warns(UserWarning):
f = source(soundfile, samplerate, hop_size)
else:
f = source(soundfile, samplerate, hop_size)
except RuntimeError as e:
err_msg = '{:s} (hop_s = {:d}, samplerate = {:d})'
skipTest(err_msg.format(str(e), hop_size, samplerate))
if samplerate == 0: samplerate = f.samplerate
sink_path = get_tmp_sink_path()
g = sink(sink_path, samplerate)
total_frames = 0
while True:
vec, read = f()
g(vec, read)
total_frames += read
if read < f.hop_size: break
del_tmp_sink_path(sink_path)
@parametrize('hop_size, samplerate, path', all_params)
def test_read_and_write_multi(self, hop_size, samplerate, path):
orig_samplerate = parse_file_samplerate(soundfile)
try:
if orig_samplerate is not None and orig_samplerate < samplerate:
# upsampling should emit a warning
with assert_warns(UserWarning):
f = source(soundfile, samplerate, hop_size)
else:
f = source(soundfile, samplerate, hop_size)
except RuntimeError as e:
err_msg = '{:s} (hop_s = {:d}, samplerate = {:d})'
skipTest(err_msg.format(str(e), hop_size, samplerate))
if samplerate == 0: samplerate = f.samplerate
sink_path = get_tmp_sink_path()
g = sink(sink_path, samplerate, channels = f.channels)
total_frames = 0
while True:
vec, read = f.do_multi()
g.do_multi(vec, read)
total_frames += read
if read < f.hop_size: break
del_tmp_sink_path(sink_path)
def test_close_file(self):
samplerate = 44100
sink_path = get_tmp_sink_path()
g = sink(sink_path, samplerate)
g.close()
del_tmp_sink_path(sink_path)
def test_close_file_twice(self):
samplerate = 44100
sink_path = get_tmp_sink_path()
g = sink(sink_path, samplerate)
g.close()
g.close()
del_tmp_sink_path(sink_path)
def test_read_with(self):
samplerate = 44100
sink_path = get_tmp_sink_path()
vec = fvec(128)
with sink(sink_path, samplerate) as g:
for _ in range(10):
g(vec, 128)
if __name__ == '__main__':
from _tools import run_module_suite
run_module_suite()