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47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
from .helper import unittest, PillowTestCase, hopper
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from PIL import Image, SunImagePlugin
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import os
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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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