ref: c4c51309beb1476e54845bdca78fe46f64449c7c
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()