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Add test for invalid parameter combination

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This commit is contained in:
Johannes Schönberger
2013-11-22 12:22:10 +01:00
parent 6e6505ecb6
commit 4033566ae6
1 changed files with 17 additions and 11 deletions
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skimage/segmentation/tests/test_slic.py
+17 -11
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@@ -1,7 +1,7 @@
import itertools as it
import warnings
import numpy as np
from numpy.testing import assert_equal, assert_array_equal
from numpy.testing import assert_equal, assert_raises
from skimage.segmentation import slic
@@ -21,10 +21,10 @@ def test_color_2d():
# we expect 4 segments
assert_equal(len(np.unique(seg)), 4)
assert_equal(seg.shape, img.shape[:-1])
assert_array_equal(seg[:10, :10], 0)
assert_array_equal(seg[10:, :10], 2)
assert_array_equal(seg[:10, 10:], 1)
assert_array_equal(seg[10:, 10:], 3)
assert_equal(seg[:10, :10], 0)
assert_equal(seg[10:, :10], 2)
assert_equal(seg[:10, 10:], 1)
assert_equal(seg[10:, 10:], 3)
def test_gray_2d():
@@ -41,10 +41,10 @@ def test_gray_2d():
assert_equal(len(np.unique(seg)), 4)
assert_equal(seg.shape, img.shape)
assert_array_equal(seg[:10, :10], 0)
assert_array_equal(seg[10:, :10], 2)
assert_array_equal(seg[:10, 10:], 1)
assert_array_equal(seg[10:, 10:], 3)
assert_equal(seg[:10, :10], 0)
assert_equal(seg[10:, :10], 2)
assert_equal(seg[:10, 10:], 1)
assert_equal(seg[10:, 10:], 3)
def test_color_3d():
@@ -65,7 +65,7 @@ def test_color_3d():
assert_equal(len(np.unique(seg)), 8)
for s, c in zip(slices, range(8)):
assert_array_equal(seg[s], c)
assert_equal(seg[s], c)
def test_gray_3d():
@@ -87,7 +87,7 @@ def test_gray_3d():
assert_equal(len(np.unique(seg)), 8)
for s, c in zip(slices, range(8)):
assert_array_equal(seg[s], c)
assert_equal(seg[s], c)
def test_list_sigma():
@@ -118,6 +118,12 @@ def test_spacing():
assert_equal(seg_spaced, result_spaced)
def test_invalid_lab_conversion():
img = np.array([[1, 1, 1, 0, 0],
[1, 1, 0, 0, 0]], np.float)
assert_raises(ValueError, slic, img, multichannel=True, convert2lab=True)
if __name__ == '__main__':
from numpy import testing