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Viewing changes to Tests/test_image_split.py

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-01-31 20:49:20 UTC
  • mfrom: (27.1.1 raring-proposed)
  • Revision ID: package-import@ubuntu.com-20130131204920-b5zshy6vgfvdionl
Tags: 1.1.7+1.7.8-1ubuntu1
Rewrite build dependencies to allow cross builds.

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Tests/test_image_split.py
 
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from tester import *
 
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from PIL import Image
 
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def test_split():
 
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    def split(mode):
 
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        layers = lena(mode).split()
 
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        return [(i.mode, i.size[0], i.size[1]) for i in layers]
 
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    assert_equal(split("1"), [('1', 128, 128)])
 
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    assert_equal(split("L"), [('L', 128, 128)])
 
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    assert_equal(split("I"), [('I', 128, 128)])
 
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    assert_equal(split("F"), [('F', 128, 128)])
 
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    assert_equal(split("P"), [('P', 128, 128)])
 
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    assert_equal(split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
 
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    assert_equal(split("RGBA"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
 
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    assert_equal(split("CMYK"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
 
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    assert_equal(split("YCbCr"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
 
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def test_split_merge():
 
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    def split_merge(mode):
 
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        return Image.merge(mode, lena(mode).split())
 
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    assert_image_equal(lena("1"), split_merge("1"))
 
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    assert_image_equal(lena("L"), split_merge("L"))
 
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    assert_image_equal(lena("I"), split_merge("I"))
 
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    assert_image_equal(lena("F"), split_merge("F"))
 
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    assert_image_equal(lena("P"), split_merge("P"))
 
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    assert_image_equal(lena("RGB"), split_merge("RGB"))
 
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    assert_image_equal(lena("RGBA"), split_merge("RGBA"))
 
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    assert_image_equal(lena("CMYK"), split_merge("CMYK"))
 
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    assert_image_equal(lena("YCbCr"), split_merge("YCbCr"))
 
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def test_split_open():
 
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    file = tempfile("temp.png")
 
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    def split_open(mode):
 
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        lena(mode).save(file)
 
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        im = Image.open(file)
 
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        return len(im.split())
 
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    assert_equal(split_open("1"), 1)
 
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    assert_equal(split_open("L"), 1)
 
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    assert_equal(split_open("P"), 1)
 
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    assert_equal(split_open("RGB"), 3)
 
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    assert_equal(split_open("RGBA"), 4)