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Test for 2px png8 encoding bug (hextree & octree)

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Robert Coup 2014-12-08 09:10:58 +13:00 committed by Sara Metz
parent 0025225e44
commit 25fe253f12
3 changed files with 20 additions and 0 deletions
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20
tests/python_tests/png_encoding_test.py
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@ -159,6 +159,26 @@ if mapnik.has_png():
eq_(len(im.tostring('png8:t=0')) == len(im_in.tostring('png8')), True)
eq_(len(im.tostring('png8:t=0:m=o')) == len(im_in.tostring('png8:m=o')), True)
def test_2px_regression_hextree():
im = mapnik.Image.open('./images/support/encoding-opts/png8-2px.A.png')
expected = './images/support/encoding-opts/png8-2px.png'
t0 = tmp_dir + 'png-encoding-2px.result-hextree.png'
im.save(t0, 'png8:m=h')
eq_(mapnik.Image.open(t0).tostring(),
mapnik.Image.open(expected).tostring(),
'%s (actual) not == to %s (expected)' % (t0, expected))
def test_2px_regression_octree():
im = mapnik.Image.open('./images/support/encoding-opts/png8-2px.A.png')
expected = './images/support/encoding-opts/png8-2px.png'
t0 = tmp_dir + 'png-encoding-2px.result-octree.png'
im.save(t0, 'png8:m=o')
eq_(mapnik.Image.open(t0).tostring(),
mapnik.Image.open(expected).tostring(),
'%s (actual) not == to %s (expected)' % (t0, expected))
if __name__ == "__main__":
setup()
exit(run_all(eval(x) for x in dir() if x.startswith("test_")))