From f57b0a9204c78a5187ff93f86849e47b6c1423a6 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Fri, 12 Jul 2019 16:13:21 +0100
Subject: [PATCH] TEST: Test identifyAffine
---
tests/test_image.py | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tests/test_image.py b/tests/test_image.py
index 26f06de50..cfdcb6b9e 100644
--- a/tests/test_image.py
+++ b/tests/test_image.py
@@ -1342,3 +1342,26 @@ def test_generateAffines():
assert np.all(np.isclose(f2v, got['fsl', 'voxel']))
assert np.all(np.isclose(f2w, got['fsl' , 'world']))
assert np.all(np.isclose(w2f, got['world', 'fsl']))
+
+
+def test_identifyAffine():
+
+ identify = fslimage.Nifti.identifyAffine
+
+ assert identify(None, None, 'ho', 'hum') == ('ho', 'hum')
+
+ xform = affine.compose(0.1 + 5 * np.random.random(3),
+ -10 + 20 * np.random.random(3),
+ -np.pi / 2 + np.pi * np.random.random(3))
+
+ img = fslimage.Image(make_random_image(None, xform=xform))
+
+ for from_, to in it.permutations(('voxel', 'fsl', 'world'), 2):
+ assert identify(img, img.getAffine(from_, to)) == (from_, to)
+
+ assert identify(img, img.getAffine('voxel', 'world'), from_='voxel') == ('voxel', 'world')
+ assert identify(img, img.getAffine('voxel', 'world'), to='world') == ('voxel', 'world')
+
+ rubbish = np.random.random((4, 4))
+ with pytest.raises(ValueError):
+ identify(img, rubbish)
--
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