- def test_vector(self):
- a = fvec()
- a.length, a.channels
- a[0]
- array(a)
- a = fvec(10)
- a = fvec(1, 2)
- array(a).T
- a[0] = range(a.length)
- a[1][0] = 2
-
- def test_wrong_values(self):
- self.assertRaises (ValueError, fvec, -10)
- self.assertRaises (ValueError, fvec, 1, -1)
-
- a = fvec(2, 3)
- self.assertRaises (IndexError, a.__getitem__, 3)
- self.assertRaises (IndexError, a[0].__getitem__, 2)
-
- def test_alpha_norm_of_fvec(self):
- a = fvec(2, 2)
- self.assertEquals (alpha_norm(a, 1), 0)
- a[0] = [1, 2]
- self.assertEquals (alpha_norm(a, 1), 1.5)
- a[1] = [1, 2]
- self.assertEquals (alpha_norm(a, 1), 3)
- a[0] = [0, 1]; a[1] = [1, 0]
- self.assertEquals (alpha_norm(a, 2), 1)
-
- def test_alpha_norm_of_array_of_float32(self):
- # check scalar fails
- a = array(1, dtype = 'float32')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- # check 3d array fails
- a = array([[[1,2],[3,4]]], dtype = 'float32')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- # check 1d array
- a = array(range(10), dtype = 'float32')
- self.assertEquals (alpha_norm(a, 1), 4.5)
- # check 2d array
- a = array([range(10), range(10)], dtype = 'float32')
- self.assertEquals (alpha_norm(a, 1), 9)
-
- def test_alpha_norm_of_array_of_int(self):
- a = array(1, dtype = 'int')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- a = array([[[1,2],[3,4]]], dtype = 'int')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- a = array(range(10), dtype = 'int')
- self.assertRaises (ValueError, alpha_norm, a, 1)
-
- def test_alpha_norm_of_array_of_string (self):
- a = "hello"
- self.assertRaises (ValueError, alpha_norm, a, 1)
-
- def test_zero_crossing_rate(self):
- a = array([0,1,-1], dtype='float32')
- self.assertEquals (zero_crossing_rate(a), 1./3 )
- a = array([0.]*100, dtype='float32')
- self.assertEquals (zero_crossing_rate(a), 0 )
- a = array([-1.]*100, dtype='float32')
- self.assertEquals (zero_crossing_rate(a), 0 )
- a = array([1.]*100, dtype='float32')
- self.assertEquals (zero_crossing_rate(a), 0 )
-
- def test_alpha_norm_of_array_of_float64(self):
- # check scalar fail
- a = array(1, dtype = 'float64')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- # check 3d array fail
- a = array([[[1,2],[3,4]]], dtype = 'float64')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- if AUBIO_DO_CASTING:
- # check float64 1d array fail
- a = array(range(10), dtype = 'float64')
- self.assertEquals (alpha_norm(a, 1), 4.5)
- # check float64 2d array fail
- a = array([range(10), range(10)], dtype = 'float64')
- self.assertEquals (alpha_norm(a, 1), 9)
- else:
- # check float64 1d array fail
- a = array(range(10), dtype = 'float64')
- self.assertRaises (ValueError, alpha_norm, a, 1)
- # check float64 2d array fail
- a = array([range(10), range(10)], dtype = 'float64')
- self.assertRaises (ValueError, alpha_norm, a, 1)
-
- def test_fvec_min_removal_of_array(self):
- a = array([20,1,19], dtype='float32')
- b = min_removal(a)
- assert_equal (array(b), [19, 0, 18])
- assert_equal (b, [19, 0, 18])
- assert_equal (a, b)
- a[0] = 0
- assert_equal (a, b)
-
- def test_fvec_min_removal_of_array_float64(self):
- a = array([20,1,19], dtype='float64')
- if AUBIO_DO_CASTING:
- b = min_removal(a)
- assert_equal (array(b), [19, 0, 18])
- assert_equal (b, [19, 0, 18])
- #assert_equal (a, b)
- else:
- self.assertRaises (ValueError, min_removal, a)
-
- def test_fvec_min_removal_of_fvec(self):
- a = fvec(3, 1)
- a[0] = [20, 1, 19]
- b = min_removal(a)
- assert_equal (array(b), [19, 0, 18])
- assert_equal (b, [19, 0, 18])
- assert_equal (a, b)