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33dabf986f
The unittest in helper.py has not offered an interesting abstraction
since dbe9f85c7d so import from the more
typical stdlib location.
48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
import os
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import unittest
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from PIL import Image, SunImagePlugin
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from .helper import PillowTestCase, hopper
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EXTRA_DIR = "Tests/images/sunraster"
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class TestFileSun(PillowTestCase):
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def test_sanity(self):
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# Arrange
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# Created with ImageMagick: convert hopper.jpg hopper.ras
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test_file = "Tests/images/hopper.ras"
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# Act
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im = Image.open(test_file)
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# Assert
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self.assertEqual(im.size, (128, 128))
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self.assert_image_similar(im, hopper(), 5) # visually verified
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invalid_file = "Tests/images/flower.jpg"
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self.assertRaises(SyntaxError, SunImagePlugin.SunImageFile, invalid_file)
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def test_im1(self):
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im = Image.open("Tests/images/sunraster.im1")
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target = Image.open("Tests/images/sunraster.im1.png")
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self.assert_image_equal(im, target)
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@unittest.skipIf(not os.path.exists(EXTRA_DIR), "Extra image files not installed")
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def test_others(self):
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files = (
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os.path.join(EXTRA_DIR, f)
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for f in os.listdir(EXTRA_DIR)
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if os.path.splitext(f)[1] in (".sun", ".SUN", ".ras")
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)
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for path in files:
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with Image.open(path) as im:
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im.load()
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self.assertIsInstance(im, SunImagePlugin.SunImageFile)
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target_path = "%s.png" % os.path.splitext(path)[0]
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# im.save(target_file)
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with Image.open(target_path) as target:
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self.assert_image_equal(im, target)
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