#! /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_sounds list_of_sounds = list_all_sounds('sounds')path = None 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}"        params = total_frames / float(f.samplerate), total_frames, int(total_frames/f.hop_size), f.samplerate, f.uri        print (result_str.format(*params))        return total_frames     def test_samplerate_hopsize(self):        for p in list_of_sounds:            for samplerate, hop_size in zip([0, 44100, 8000, 32000], [ 512, 512, 64, 256]):                f = source(p, samplerate, hop_size)                assert f.samplerate != 0                self.read_from_source(f)     def test_samplerate_none(self):        for p in list_of_sounds:            f = source(p)            assert f.samplerate != 0            self.read_from_source(f)     def test_samplerate_0(self):        for p in list_of_sounds:            f = source(p, 0)            assert f.samplerate != 0            self.read_from_source(f)     def test_wrong_samplerate(self):        for p in list_of_sounds:            try:                f = source(p, -1)            except ValueError as e:                pass            else:                self.fail('negative samplerate does not raise ValueError')     def test_wrong_hop_size(self):        for p in list_of_sounds:            try:                f = source(p, 0, -1)            except ValueError as e:                pass            else:                self.fail('negative hop_size does not raise ValueError')     def test_zero_hop_size(self):        for p in list_of_sounds:            f = source(p, 0, 0)            assert f.samplerate != 0            assert f.hop_size != 0            self.read_from_source(f)     def test_seek_to_half(self):        from random import randint        for p in list_of_sounds:            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 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}"        params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri        print (result_str.format(*params))        return total_frames if __name__ == '__main__':    from unittest import main    main()