ref: fcef3fd331e30e57971e15bc90874c05688da9fb
dir: /python/tests/test_cvec.py/
#! /usr/bin/env python
from numpy.testing import TestCase
from numpy.testing import assert_equal, assert_almost_equal
from aubio import cvec, fvec, float_type
import numpy as np
class aubio_cvec_test_case(TestCase):
def test_vector_created_with_zeroes(self):
a = cvec(10)
assert_equal(a.norm.shape[0], 10 / 2 + 1)
assert_equal(a.phas.shape[0], 10 / 2 + 1)
a.norm[0]
assert_equal(a.norm, 0.)
assert_equal(a.phas, 0.)
def test_vector_assign_element(self):
a = cvec()
a.norm[0] = 1
assert_equal(a.norm[0], 1)
a.phas[0] = 1
assert_equal(a.phas[0], 1)
def test_vector_assign_element_end(self):
a = cvec()
a.norm[-1] = 1
assert_equal(a.norm[-1], 1)
assert_equal(a.norm[len(a.norm)-1], 1)
a.phas[-1] = 1
assert_equal(a.phas[-1], 1)
assert_equal(a.phas[len(a.phas)-1], 1)
def test_assign_cvec_norm_slice(self):
spec = cvec(1024)
spec.norm[40:100] = 100
assert_equal(spec.norm[0:40], 0)
assert_equal(spec.norm[40:100], 100)
assert_equal(spec.norm[100:-1], 0)
assert_equal(spec.phas, 0)
def test_assign_cvec_phas_slice(self):
spec = cvec(1024)
spec.phas[39:-1] = -np.pi
assert_equal(spec.phas[0:39], 0)
assert_equal(spec.phas[39:-1], -np.pi)
assert_equal(spec.norm, 0)
def test_assign_cvec_with_other_cvec(self):
""" check dest cvec is still reachable after source was deleted """
spec = cvec(1024)
a = np.random.rand(1024/2+1).astype(float_type)
b = np.random.rand(1024/2+1).astype(float_type)
spec.norm = a
spec.phas = b
new_spec = spec
del spec
assert_equal(a, new_spec.norm)
assert_equal(b, new_spec.phas)
assert_equal(id(a), id(new_spec.norm))
assert_equal(id(b), id(new_spec.phas))
def test_pass_to_numpy(self):
spec = cvec(1024)
norm = spec.norm
phas = spec.phas
del spec
new_spec = cvec(1024)
new_spec.norm = norm
new_spec.phas = phas
assert_equal(norm, new_spec.norm)
assert_equal(phas, new_spec.phas)
assert_equal(id(norm), id(new_spec.norm))
assert_equal(id(phas), id(new_spec.phas))
del norm
del phas
assert_equal(new_spec.norm, 0.)
assert_equal(new_spec.phas, 0.)
del new_spec
def test_assign_norm_too_large(self):
a = cvec(512)
b = fvec(512//2+1 + 4)
with self.assertRaises(ValueError):
a.norm = b
def test_assign_norm_too_small(self):
a = cvec(512)
b = fvec(512//2+1 - 4)
with self.assertRaises(ValueError):
a.norm = b
def test_assign_phas_too_large(self):
a = cvec(512)
b = fvec(512//2+1 + 4)
with self.assertRaises(ValueError):
a.phas = b
def test_assign_phas_too_small(self):
a = cvec(512)
b = fvec(512//2+1 - 4)
with self.assertRaises(ValueError):
a.phas = b
if __name__ == '__main__':
from nose2 import main
main()