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39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
from __future__ import division
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from helper import unittest, PillowTestCase
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import sys
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from PIL import Image
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from io import BytesIO
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# Limits for testing the leak
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mem_limit = 16 # max increase in MB
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iterations = 5000
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test_file = "Tests/images/hopper.webp"
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@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS")
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class TestWebPLeaks(PillowTestCase):
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def setUp(self):
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try:
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from PIL import _webp
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except ImportError:
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self.skipTest('WebP support not installed')
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def _get_mem_usage(self):
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from resource import getpagesize, getrusage, RUSAGE_SELF
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mem = getrusage(RUSAGE_SELF).ru_maxrss
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return mem * getpagesize() / 1024 / 1024
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def test_leak_load(self):
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with open(test_file, 'rb') as f:
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im_data = f.read()
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start_mem = self._get_mem_usage()
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for _ in range(iterations):
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with Image.open(BytesIO(im_data)) as im:
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im.load()
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mem = (self._get_mem_usage() - start_mem)
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self.assertLess(mem, mem_limit, msg='memory usage limit exceeded')
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if __name__ == '__main__':
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unittest.main()
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