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report all failures in compositing tests

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This commit is contained in:
Dane Springmeyer 2012-10-01 18:51:53 -07:00
parent 1468133bc0
commit d35b4eb6d4
1 changed files with 8 additions and 1 deletions
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9
tests/python_tests/compositing_test.py
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@ -85,6 +85,9 @@ def validate_pixels_are_premultiplied(image):
def test_compare_images():
b = mapnik.Image.open('./images/support/b.png')
b.premultiply()
num_ops = len(mapnik.CompositeOp.names)
successes = []
fails = []
for name in mapnik.CompositeOp.names:
a = mapnik.Image.open('./images/support/a.png')
a.premultiply()
@ -103,7 +106,11 @@ def test_compare_images():
a.save(expected)
expected_im = mapnik.Image.open(expected)
# compare them
eq_(a.tostring(),expected_im.tostring(), 'failed comparing actual (%s) and expected(%s)' % (actual,'tests/python_tests/'+ expected))
if a.tostring() == expected_im.tostring():
successes.append(name)
else:
fails.append('failed comparing actual (%s) and expected(%s)' % (actual,'tests/python_tests/'+ expected))
eq_(len(successes),num_ops,'\n'+'\n'.join(fails))
b.demultiply()
# b will be slightly modified by pre and then de multiplication rounding errors
# TODO - write test to ensure the image is 99% the same.