ref: 89bc6f4938d3c1e41e351d7cd8314ed3fb3cd433
dir: /python/tests/test_hist.py.old/
#! /usr/bin/env python from numpy.testing import TestCase, assert_equal, assert_almost_equal from aubio import fvec, digital_filter import random buf_size = 2048 channels = 1 flow = float(random.randint(0, 100) + random.random()) fhig = float(random.randint(100, 1000) + random.random()) nelems = 1000 class hist_test_case(TestCase): def setUp(self): self.o = new_aubio_hist(flow, fhig, nelems, channels) def tearDown(self): del_aubio_hist(self.o) def test_hist(self): """ create and delete hist """ pass def test_hist_zeroes(self): """ test hist on zeroes """ input = new_fvec(buf_size, channels) aubio_hist_do_notnull(self.o, input) aubio_hist_weight(self.o) self.assertEqual(0., aubio_hist_mean(self.o)) del_fvec(input) def test_hist_impulse_top(self): """ test hist on impulse (top - 1.) """ """ this returns 1./nelems because 1 element is in the range """ input = new_fvec(buf_size, channels) constant = fhig - 1. fvec_write_sample(input,constant,0,0) aubio_hist_do_notnull(self.o, input) self.assertCloseEnough(1./nelems, aubio_hist_mean(self.o)) del_fvec(input) def test_hist_impulse_over(self): """ test hist on impulse (top + 1.) """ """ this returns 0 because constant is out of range """ input = new_fvec(buf_size, channels) constant = fhig + 1. fvec_write_sample(input,constant,0,0) aubio_hist_do_notnull(self.o, input) self.assertCloseEnough(0., aubio_hist_mean(self.o)) del_fvec(input) def test_hist_impulse_bottom(self): """ test hist on constant near lower limit """ """ this returns 1./nelems because 1 element is in the range """ input = new_fvec(buf_size, channels) constant = flow + 1. fvec_write_sample(input,constant,0,0) aubio_hist_do_notnull(self.o, input) self.assertCloseEnough(1./nelems, aubio_hist_mean(self.o)) del_fvec(input) def test_hist_impulse_under(self): """ test hist on constant under lower limit """ """ this returns 0 because constant is out of range """ vec_in = fvec(buf_size) constant = flow - 1. vec_in[0] = constant aubio_hist_do_notnull(self.o, input) self.assertCloseEnough(0., aubio_hist_mean(self.o)) del_fvec(input) if __name__ == '__main__': unittest.main()