ref: 42f1cf149c22a8d0f0f11d251f1af8097f93695a
parent: 4ecfee960a1cd5c60f223226b8edb69ffcf62529
author: Paul Brossier <piem@piem.org>
date: Sat May 17 23:23:11 EDT 2008
tests/python/src/utils/hist.py: update existing test cases, add two more
--- a/tests/python/src/utils/hist.py
+++ b/tests/python/src/utils/hist.py
@@ -1,4 +1,5 @@
import unittest
+import random
from template import aubio_unit_template
from aubio.aubiowrapper import *
@@ -5,8 +6,8 @@
buf_size = 2048
channels = 1
-flow = 0.
-fhig = 100.
+flow = float(random.randint(0, 100) + random.random())
+fhig = float(random.randint(100, 1000) + random.random())
nelems = 1000
@@ -13,6 +14,7 @@
class hist_unit(aubio_unit_template):
def setUp(self):
+ print flow, fhig
self.o = new_aubio_hist(flow, fhig, nelems, channels)
def tearDown(self):
@@ -30,8 +32,9 @@
self.assertEqual(0., aubio_hist_mean(self.o))
del_fvec(input)
- def test_hist_impulse(self):
- """ test hist on impulse """
+ 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)
@@ -39,13 +42,34 @@
self.assertCloseEnough(1./nelems, aubio_hist_mean(self.o))
del_fvec(input)
- def test_hist_impulse2(self):
- """ test hist on impulse """
+ 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 """
+ 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(0., aubio_hist_mean(self.o))
del_fvec(input)
if __name__ == '__main__': unittest.main()