Files
2013-08-06 22:45:21 +10:00

41 lines
1.1 KiB
Python

import numpy as np
from numpy.testing import assert_equal, assert_raises
from skimage.util import unique_rows
def test_discontiguous_array():
ar = np.array([[1, 0, 1], [0, 1, 0], [1, 0, 1]], np.uint8)
ar = ar[::2]
ar_out = unique_rows(ar)
desired_ar_out = np.array([[1, 0, 1]], np.uint8)
assert_equal(ar_out, desired_ar_out)
def test_uint8_array():
ar = np.array([[1, 0, 1], [0, 1, 0], [1, 0, 1]], np.uint8)
ar_out = unique_rows(ar)
desired_ar_out = np.array([[0, 1, 0], [1, 0, 1]], np.uint8)
assert_equal(ar_out, desired_ar_out)
def test_float_array():
ar = np.array([[1.1, 0.0, 1.1], [0.0, 1.1, 0.0], [1.1, 0.0, 1.1]],
np.float)
ar_out = unique_rows(ar)
desired_ar_out = np.array([[0.0, 1.1, 0.0], [1.1, 0.0, 1.1]], np.float)
assert_equal(ar_out, desired_ar_out)
def test_1d_array():
ar = np.array([1, 0, 1, 1], np.uint8)
assert_raises(ValueError, unique_rows, ar)
def test_3d_array():
ar = np.arange(8).reshape((2, 2, 2))
assert_raises(ValueError, unique_rows, ar)
if __name__ == '__main__':
np.testing.run_module_suite()