ref: fcef3fd331e30e57971e15bc90874c05688da9fb
dir: /python/tests/test_source.py/
#! /usr/bin/env python
from numpy.testing import TestCase, assert_equal, assert_almost_equal
from aubio import fvec, source
from numpy import array
from utils import list_all_sounds
from nose2.tools import params
list_of_sounds = list_all_sounds('sounds')
samplerates = [0, 44100, 8000, 32000]
hop_sizes = [512, 1024, 64]
path = None
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 aubio_source_test_case_base(TestCase):
def setUp(self):
if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'')
class aubio_source_test_case(aubio_source_test_case_base):
def test_close_file(self):
samplerate = 0 # use native samplerate
hop_size = 256
for p in list_of_sounds:
f = source(p, samplerate, hop_size)
f.close()
def test_close_file_twice(self):
samplerate = 0 # use native samplerate
hop_size = 256
for p in list_of_sounds:
f = source(p, samplerate, hop_size)
f.close()
f.close()
class aubio_source_read_test_case(aubio_source_test_case_base):
def read_from_source(self, f):
total_frames = 0
while True:
vec, read = f()
total_frames += read
if read < f.hop_size: break
result_str = "read {:.2f}s ({:d} frames in {:d} blocks at {:d}Hz) from {:s}"
result_params = total_frames / float(f.samplerate), total_frames, int(total_frames/f.hop_size), f.samplerate, f.uri
print (result_str.format(*result_params))
return total_frames
@params(*all_params)
def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
try:
f = source(soundfile, samplerate, hop_size)
except RuntimeError as e:
self.skipTest('failed opening with hop_s = {:d}, samplerate = {:d} ({:s})'.format(hop_size, samplerate, str(e)))
assert f.samplerate != 0
self.read_from_source(f)
@params(*list_of_sounds)
def test_samplerate_none(self, p):
f = source(p)
assert f.samplerate != 0
self.read_from_source(f)
@params(*list_of_sounds)
def test_samplerate_0(self, p):
f = source(p, 0)
assert f.samplerate != 0
self.read_from_source(f)
@params(*list_of_sounds)
def test_wrong_samplerate(self, p):
try:
f = source(p, -1)
except ValueError as e:
pass
else:
self.fail('negative samplerate does not raise ValueError')
@params(*list_of_sounds)
def test_wrong_hop_size(self, p):
try:
f = source(p, 0, -1)
except ValueError as e:
pass
else:
self.fail('negative hop_size does not raise ValueError')
@params(*list_of_sounds)
def test_zero_hop_size(self, p):
f = source(p, 0, 0)
assert f.samplerate != 0
assert f.hop_size != 0
self.read_from_source(f)
@params(*list_of_sounds)
def test_seek_to_half(self, p):
from random import randint
f = source(p, 0, 0)
assert f.samplerate != 0
assert f.hop_size != 0
a = self.read_from_source(f)
c = randint(0, a)
f.seek(c)
b = self.read_from_source(f)
assert a == b + c
@params(*list_of_sounds)
def test_duration(self, p):
total_frames = 0
f = source(p)
duration = f.duration
while True:
vec, read = f()
total_frames += read
if read < f.hop_size: break
self.assertEqual(duration, total_frames)
class aubio_source_readmulti_test_case(aubio_source_read_test_case):
def read_from_source(self, f):
total_frames = 0
while True:
vec, read = f.do_multi()
total_frames += read
if read < f.hop_size: break
result_str = "read {:.2f}s ({:d} frames in {:d} channels and {:d} blocks at {:d}Hz) from {:s}"
result_params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri
print (result_str.format(*result_params))
return total_frames
if __name__ == '__main__':
from nose2 import main
main()