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91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
from helper import unittest, PillowTestCase
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from PIL import Image
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import sys
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# sample icon file
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TEST_FILE = "Tests/images/pillow.icns"
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data = open(TEST_FILE, "rb").read()
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enable_jpeg2k = hasattr(Image.core, 'jp2klib_version')
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class TestFileIcns(PillowTestCase):
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def test_sanity(self):
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# Loading this icon by default should result in the largest size
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# (512x512@2x) being loaded
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im = Image.open(TEST_FILE)
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im.load()
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self.assertEqual(im.mode, "RGBA")
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self.assertEqual(im.size, (1024, 1024))
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self.assertEqual(im.format, "ICNS")
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@unittest.skipIf(sys.platform != 'darwin',
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"requires MacOS")
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def test_save(self):
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im = Image.open(TEST_FILE)
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temp_file = self.tempfile("temp.icns")
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im.save(temp_file)
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reread = Image.open(temp_file)
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self.assertEqual(reread.mode, "RGBA")
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self.assertEqual(reread.size, (1024, 1024))
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self.assertEqual(reread.format, "ICNS")
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def test_sizes(self):
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# Check that we can load all of the sizes, and that the final pixel
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# dimensions are as expected
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im = Image.open(TEST_FILE)
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for w, h, r in im.info['sizes']:
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wr = w * r
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hr = h * r
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im2 = Image.open(TEST_FILE)
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im2.size = (w, h, r)
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im2.load()
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self.assertEqual(im2.mode, 'RGBA')
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self.assertEqual(im2.size, (wr, hr))
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def test_older_icon(self):
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# This icon was made with Icon Composer rather than iconutil; it still
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# uses PNG rather than JP2, however (since it was made on 10.9).
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im = Image.open('Tests/images/pillow2.icns')
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for w, h, r in im.info['sizes']:
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wr = w * r
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hr = h * r
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im2 = Image.open('Tests/images/pillow2.icns')
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im2.size = (w, h, r)
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im2.load()
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self.assertEqual(im2.mode, 'RGBA')
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self.assertEqual(im2.size, (wr, hr))
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def test_jp2_icon(self):
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# This icon was made by using Uli Kusterer's oldiconutil to replace
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# the PNG images with JPEG 2000 ones. The advantage of doing this is
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# that OS X 10.5 supports JPEG 2000 but not PNG; some commercial
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# software therefore does just this.
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# (oldiconutil is here: https://github.com/uliwitness/oldiconutil)
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if not enable_jpeg2k:
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return
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im = Image.open('Tests/images/pillow3.icns')
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for w, h, r in im.info['sizes']:
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wr = w * r
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hr = h * r
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im2 = Image.open('Tests/images/pillow3.icns')
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im2.size = (w, h, r)
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im2.load()
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self.assertEqual(im2.mode, 'RGBA')
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self.assertEqual(im2.size, (wr, hr))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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