ref: 7c8d32ab48f53ff465f1aae8bc0ec45df49e23d5
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 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_sink(self, f): total_frames = 0 while True: vec, read = f() total_frames += read if read < f.hop_size: break print "read", "%.2fs" % (total_frames / float(f.samplerate) ), print "(", total_frames, "frames", "in", print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")", print "from", f.uri 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_sink(f) def test_samplerate_none(self): for p in list_of_sounds: f = source(p) assert f.samplerate != 0 self.read_from_sink(f) def test_samplerate_0(self): for p in list_of_sounds: f = source(p, 0) assert f.samplerate != 0 self.read_from_sink(f) def test_wrong_samplerate(self): for p in list_of_sounds: try: f = source(p, -1) except ValueError, 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, 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_sink(f) class aubio_source_readmulti_test_case(aubio_source_read_test_case): def read_from_sink(self, f): total_frames = 0 while True: vec, read = f.do_multi() total_frames += read if read < f.hop_size: break print "read", "%.2fs" % (total_frames / float(f.samplerate) ), print "(", total_frames, "frames", "in", print f.channels, "channels and", print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")", print "from", f.uri if __name__ == '__main__': from unittest import main main()