#! /usr/bin/env python from numpy.testing import TestCase, assert_equal, assert_almost_equalfrom aubio import fvec, sourcefrom numpy import arrayfrom utils import list_all_soundsfrom 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()