Files
scikit-image/skimage/io/tests/test_io.py
T
2013-06-28 16:08:11 -05:00

49 lines
1001 B
Python

import os
from numpy.testing import *
import numpy as np
from StringIO import StringIO
import skimage.io as io
from skimage import data_dir
def test_stack_basic():
x = np.arange(12).reshape(3, 4)
io.push(x)
assert_array_equal(io.pop(), x)
@raises(ValueError)
def test_stack_non_array():
io.push([[1, 2, 3]])
def test_imread_url():
# tweak data path so that file URI works on both unix and windows.
data_path = data_dir.lstrip(os.path.sep)
data_path = data_path.replace(os.path.sep, '/')
image_url = 'file:///{0}/camera.png'.format(data_path)
image = io.imread(image_url)
assert image.shape == (512, 512)
def test_imsave_filelike():
shape = (2, 2)
image = np.zeros(shape)
s = StringIO()
# save to file-like object
io.imsave(s, image)
# read from file-like object
s.seek(0)
out = io.imread(s)
assert out.shape == shape
np.testing.assert_allclose(out, image)
if __name__ == "__main__":
run_module_suite()