ref: 68d049273e1a1aa0cda6e69448b27147b6008ea8
parent: 71ef9c20e3523b77d0badf4790eeeb793d9644e1
author: Paul Brossier <piem@piem.org>
date: Sun Mar 3 10:40:00 EST 2013
tests/python/src/utils/scale.py: replace with python/tests/test_scale.py
--- /dev/null
+++ b/python/tests/test_scale.py
@@ -1,0 +1,18 @@
+#! /usr/bin/env python
+
+from numpy.testing import TestCase, run_module_suite
+from numpy.testing import assert_equal, assert_almost_equal
+from numpy import arange
+from aubio import fvec, scale
+
+class aubio_cvec_test_case(TestCase):
+
+ def test_scale_simple(self):
+ a = arange(10).astype('float32')+ s = scale ( 0., 10., 3., 8.)
+ s(a)
+ assert_equal ( a, [ 3., 3.5, 4., 4.5, 5., 5.5, 6., 6.5, 7., 7.5])
+
+if __name__ == '__main__':
+ from unittest import main
+ main()
--- a/tests/python/src/utils/scale.py
+++ /dev/null
@@ -1,93 +1,0 @@
-from template import aubio_unit_template
-from localaubio import *
-
-buf_size = 2000
-channels = 2
-
-ilow = .40
-ihig = 40.00
-olow = 100.0
-ohig = 1000.
-
-class scale_unit(aubio_unit_template):
-
- def setUp(self):
- self.o = new_aubio_scale(ilow, ihig, olow, ohig)
-
- def tearDown(self):
- del_aubio_scale(self.o)
-
- def test(self):
- """ create and delete scale """
- pass
-
- def test_zeroes(self):
- """ test scale on zeroes """
- input = new_fvec(buf_size, channels)
- aubio_scale_do(self.o, input)
- for index in range(buf_size):
- for channel in range(channels):
- expval = (- ilow) * (ohig - olow) / \
- (ihig - ilow) + olow
- val = fvec_read_sample(input, channel, index)
- self.assertCloseEnough(expval, val)
- del_fvec(input)
-
- def test_ilow(self):
- """ test scale on ilow """
- input = new_fvec(buf_size, channels)
- for index in range(buf_size):
- for channel in range(channels):
- fvec_write_sample(input, ilow, channel, index)
- aubio_scale_do(self.o, input)
- for index in range(buf_size):
- for channel in range(channels):
- val = fvec_read_sample(input, channel, index)
- self.assertAlmostEqual(olow, val)
- del_fvec(input)
-
- def test_ihig(self):
- """ test scale on ihig """
- input = new_fvec(buf_size, channels)
- for index in range(buf_size):
- for channel in range(channels):
- fvec_write_sample(input, ihig, channel, index)
- aubio_scale_do(self.o, input)
- for index in range(buf_size):
- for channel in range(channels):
- val = fvec_read_sample(input, channel, index)
- self.assertCloseEnough(ohig, val)
- del_fvec(input)
-
- def test_climbing_ramp(self):
- """ test scale on climbing ramp """
- input = new_fvec(buf_size, channels)
- for index in range(buf_size):
- for channel in range(channels):
- rampval = index*(ihig-ilow)/buf_size + ilow
- fvec_write_sample(input, rampval, channel, index)
- aubio_scale_do(self.o, input)
- for index in range(buf_size):
- for channel in range(channels):
- expval = index*(ohig-olow)/buf_size + olow
- self.assertCloseEnough(expval, \
- fvec_read_sample(input, channel, index))
- del_fvec(input)
-
- def test_falling_ramp(self):
- """ test scale on falling ramp """
- input = new_fvec(buf_size, channels)
- for index in range(buf_size):
- for channel in range(channels):
- fvec_write_sample(input, ihig \
- - index*(ihig-ilow)/buf_size, \
- channel, index)
- aubio_scale_do(self.o, input)
- for index in range(buf_size):
- for channel in range(channels):
- expval = ohig - index*(ohig-olow)/buf_size
- self.assertCloseEnough(expval, \
- fvec_read_sample(input, channel, index))
- del_fvec(input)
-
-if __name__ == '__main__': unittest.main()