From 1c090d38b0b868a68144403eae1179c92de2f5cc Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Fri, 22 Sep 2017 11:16:32 +0100
Subject: [PATCH] Unit test for resample method
---
tests/test_image.py | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/tests/test_image.py b/tests/test_image.py
index 5dc7aee98..2f005f04c 100644
--- a/tests/test_image.py
+++ b/tests/test_image.py
@@ -1000,3 +1000,36 @@ def _test_Image_save(imgtype):
finally:
shutil.rmtree(testdir)
+
+
+def test_image_resample(seed):
+
+ with testdir() as td:
+
+ fname = op.join(td, 'test.nii')
+
+ # Random base image shapes
+ for i in range(50):
+
+ shape = np.random.randint(5, 100, 3)
+ make_random_image(fname, shape)
+ img = fslimage.Image(fname)
+
+ # resampling to the same shape should be a no-op
+ assert np.all(img.resample(shape) == img[:])
+
+ # Random resampled image shapes
+ for i in range(10):
+
+ rshape = np.random.randint(5, 100, 3)
+ resampled = img.resample(rshape)
+
+ assert tuple(resampled.shape) == tuple(rshape)
+
+ # Test a 4D image
+ make_random_image(fname, (10, 10, 10, 10))
+ img = fslimage.Image(fname)
+ slc = (slice(None), slice(None), slice(None), 3)
+
+ assert np.all(img.resample(img.shape[:3], slc) == img[..., 3])
+ assert tuple(img.resample((15, 15, 15), slc).shape) == (15, 15, 15)
--
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