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Fix test crashes when reference image doesn't exists.

Refs #1296 and commit 2695692
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1 parent 81937f7 commit 19ed8718a3a5deb2aaa7d594e7b2a20c516f8e46 @herm herm committed Jul 28, 2012
Showing with 1 addition and 2 deletions.
  1. +1 −2 tests/visual_tests/compare.py
@@ -12,7 +12,6 @@
def compare_pixels(pixel1, pixel2):
if pixel1 == pixel2:
return False
- # will only work on little endian
r_diff = abs((pixel1 & 0xff) - (pixel2 & 0xff))
g_diff = abs(((pixel1 >> 8) & 0xff) - ((pixel2 >> 8) & 0xff))
b_diff = abs(((pixel1 >> 16) & 0xff)- ((pixel2 >> 16) & 0xff))
@@ -32,7 +31,7 @@ def compare(actual, expected):
im1 = mapnik.Image.open(actual)
try:
im2 = mapnik.Image.open(expected)
- except IOError:
+ except RuntimeError:
errors.append((None, actual, expected))
return -1
diff = 0

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