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110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
from __future__ import print_function
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from helper import unittest, PillowTestCase
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from PIL import Image
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import os
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base = os.path.join('Tests', 'images', 'bmp')
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class TestBmpReference(PillowTestCase):
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def get_files(self, d, ext='.bmp'):
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return [os.path.join(base, d, f) for f
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in os.listdir(os.path.join(base, d)) if ext in f]
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def test_bad(self):
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""" These shouldn't crash/dos, but they shouldn't return anything
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either """
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for f in self.get_files('b'):
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def open(f):
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try:
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im = Image.open(f)
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im.load()
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except Exception: # as msg:
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pass
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# Assert that there is no unclosed file warning
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self.assert_warning(None, open, f)
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def test_questionable(self):
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""" These shouldn't crash/dos, but it's not well defined that these
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are in spec """
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supported = [
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"pal8os2v2.bmp",
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"rgb24prof.bmp",
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"pal1p1.bmp",
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"pal8offs.bmp",
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"rgb24lprof.bmp",
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"rgb32fakealpha.bmp",
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"rgb24largepal.bmp",
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"pal8os2sp.bmp",
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"rgb32bf-xbgr.bmp",
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]
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for f in self.get_files('q'):
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try:
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im = Image.open(f)
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im.load()
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if os.path.basename(f) not in supported:
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print("Please add %s to the partially supported"
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" bmp specs." % f)
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except Exception: # as msg:
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if os.path.basename(f) in supported:
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raise
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def test_good(self):
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""" These should all work. There's a set of target files in the
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html directory that we can compare against. """
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# Target files, if they're not just replacing the extension
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file_map = {'pal1wb.bmp': 'pal1.png',
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'pal4rle.bmp': 'pal4.png',
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'pal8-0.bmp': 'pal8.png',
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'pal8rle.bmp': 'pal8.png',
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'pal8topdown.bmp': 'pal8.png',
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'pal8nonsquare.bmp': 'pal8nonsquare-v.png',
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'pal8os2.bmp': 'pal8.png',
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'pal8os2sp.bmp': 'pal8.png',
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'pal8os2v2.bmp': 'pal8.png',
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'pal8os2v2-16.bmp': 'pal8.png',
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'pal8v4.bmp': 'pal8.png',
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'pal8v5.bmp': 'pal8.png',
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'rgb16-565pal.bmp': 'rgb16-565.png',
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'rgb24pal.bmp': 'rgb24.png',
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'rgb32.bmp': 'rgb24.png',
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'rgb32bf.bmp': 'rgb24.png'
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}
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def get_compare(f):
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name = os.path.split(f)[1]
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if name in file_map:
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return os.path.join(base, 'html', file_map[name])
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name = os.path.splitext(name)[0]
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return os.path.join(base, 'html', "%s.png" % name)
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for f in self.get_files('g'):
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try:
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im = Image.open(f)
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im.load()
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compare = Image.open(get_compare(f))
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compare.load()
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if im.mode == 'P':
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# assert image similar doesn't really work
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# with paletized image, since the palette might
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# be differently ordered for an equivalent image.
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im = im.convert('RGBA')
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compare = im.convert('RGBA')
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self.assert_image_similar(im, compare, 5)
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except Exception as msg:
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# there are three here that are unsupported:
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unsupported = (os.path.join(base, 'g', 'rgb32bf.bmp'),
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os.path.join(base, 'g', 'pal8rle.bmp'),
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os.path.join(base, 'g', 'pal4rle.bmp'))
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if f not in unsupported:
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self.fail("Unsupported Image %s: %s" % (f, msg))
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if __name__ == '__main__':
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unittest.main()
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