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111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
import os
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from PIL import Image
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from .helper import PillowTestCase
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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 [
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os.path.join(base, d, f)
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for f in os.listdir(os.path.join(base, d))
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if ext in f
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]
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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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with Image.open(f) as im:
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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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with Image.open(f) as im:
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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 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 = {
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"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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with Image.open(f) as im:
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im.load()
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with Image.open(get_compare(f)) as compare:
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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 = (
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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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)
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if f not in unsupported:
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self.fail("Unsupported Image {}: {}".format(f, msg))
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