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57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
from helper import unittest
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from PIL import Image
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from test_file_libtiff import TestFileLibTiff
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class TestFileLibTiffSmall(TestFileLibTiff):
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# Inherits TestFileLibTiff's setUp() and self._assert_noerr()
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""" The small lena image was failing on open in the libtiff
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decoder because the file pointer was set to the wrong place
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by a spurious seek. It wasn't failing with the byteio method.
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It was fixed by forcing an lseek to the beginning of the
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file just before reading in libtiff. These tests remain
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to ensure that it stays fixed. """
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def test_g4_lena_file(self):
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"""Testing the open file load path"""
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file = "Tests/images/lena_g4.tif"
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with open(file, 'rb') as f:
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im = Image.open(f)
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self.assertEqual(im.size, (128, 128))
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self._assert_noerr(im)
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def test_g4_lena_bytesio(self):
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"""Testing the bytesio loading code path"""
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from io import BytesIO
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file = "Tests/images/lena_g4.tif"
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s = BytesIO()
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with open(file, 'rb') as f:
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s.write(f.read())
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s.seek(0)
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im = Image.open(s)
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self.assertEqual(im.size, (128, 128))
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self._assert_noerr(im)
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def test_g4_lena(self):
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"""The 128x128 lena image fails for some reason. Investigating"""
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file = "Tests/images/lena_g4.tif"
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im = Image.open(file)
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self.assertEqual(im.size, (128, 128))
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self._assert_noerr(im)
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if __name__ == '__main__':
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unittest.main()
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# End of file
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