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37 lines
785 B
Python
37 lines
785 B
Python
from tester import *
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from PIL import Image
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# sample ppm stream
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file = "Images/lena.ppm"
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data = open(file, "rb").read()
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def test_sanity():
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im = Image.open(file)
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im.load()
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assert_equal(im.mode, "RGB")
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assert_equal(im.size, (128, 128))
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assert_equal(im.format, "PPM")
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def test_16bit_pgm():
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im = Image.open('Tests/images/16_bit_binary.pgm')
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im.load()
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assert_equal(im.mode, 'I')
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assert_equal(im.size, (20,100))
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tgt = Image.open('Tests/images/16_bit_binary_pgm.png')
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assert_image_equal(im, tgt)
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def test_16bit_pgm_write():
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im = Image.open('Tests/images/16_bit_binary.pgm')
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im.load()
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f = tempfile('temp.pgm')
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assert_no_exception(lambda: im.save(f, 'PPM'))
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reloaded = Image.open(f)
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assert_image_equal(im, reloaded)
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