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eeadc04200
(This is necessary because when imported as test.test_rgbimg, the test directory is not on sys.path.)
76 lines
1.6 KiB
Python
76 lines
1.6 KiB
Python
# Testing rgbimg module
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import rgbimg, os, uu
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from test_support import verbose, unlink
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error = 'test_rgbimg.error'
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print 'RGBimg test suite:'
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def findfile(file):
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if os.path.isabs(file): return file
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import sys
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path = sys.path
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try:
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path = [os.path.dirname(__file__)] + path
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except NameError:
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pass
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for dn in path:
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fn = os.path.join(dn, file)
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if os.path.exists(fn): return fn
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return file
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def testimg(rgb_file, raw_file):
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rgb_file = findfile(rgb_file)
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raw_file = findfile(raw_file)
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width, height = rgbimg.sizeofimage(rgb_file)
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rgb = rgbimg.longimagedata(rgb_file)
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if len(rgb) != width * height * 4:
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raise error, 'bad image length'
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raw = open(raw_file, 'rb').read()
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if rgb != raw:
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raise error, \
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'images don\'t match for '+rgb_file+' and '+raw_file
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for depth in [1, 3, 4]:
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rgbimg.longstoimage(rgb, width, height, depth, '@.rgb')
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os.unlink('@.rgb')
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table = [
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('testrgb.uue', 'test.rgb'),
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('testimg.uue', 'test.rawimg'),
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('testimgr.uue', 'test.rawimg.rev'),
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]
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for source, target in table:
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source = findfile(source)
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target = findfile(target)
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if verbose:
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print "uudecoding", source, "->", target, "..."
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uu.decode(source, target)
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if verbose:
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print "testing..."
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ttob = rgbimg.ttob(0)
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if ttob != 0:
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raise error, 'ttob should start out as zero'
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testimg('test.rgb', 'test.rawimg')
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ttob = rgbimg.ttob(1)
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if ttob != 0:
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raise error, 'ttob should be zero'
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testimg('test.rgb', 'test.rawimg.rev')
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ttob = rgbimg.ttob(0)
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if ttob != 1:
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raise error, 'ttob should be one'
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ttob = rgbimg.ttob(0)
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if ttob != 0:
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raise error, 'ttob should be zero'
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for source, target in table:
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unlink(findfile(target))
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