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f4fdd7deea
Summary: This allows us to remove the Python binding without breaking existing zstd users (commitcloud bundles). It might also make the future Rust migration easier. Using `zstd` create for its streaming APIs. `zstdelta`'s APIs cannot be used since it requires decompressed length to be known, which wouldn't work for streaming compressed data. Note: For easier implementation, the Python land no longer processes data in a streaming way. This is probably fine for the current bundle use-case. In the long term, we might want to revisit the bundle format entirely. As we're here, also expose zstdelta's APIs and add a test for it. Reviewed By: DurhamG Differential Revision: D8342421 fbshipit-source-id: 89902d551f4616469d6e1bc9b334a1c37c884775
25 lines
551 B
Python
25 lines
551 B
Python
from __future__ import absolute_import
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import os
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import unittest
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import silenttestrunner
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from mercurial.rust import zstd
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class testzstd(unittest.TestCase):
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def testdelta(self):
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base = os.urandom(100000)
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data = base[:1000] + "x" + base[1000:90000] + base[90500:]
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delta = zstd.diff(base, data)
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# The delta is tiny
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self.assertLess(len(delta), 100)
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# The delta can be applied
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self.assertEqual(zstd.apply(base, delta), data)
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if __name__ == "__main__":
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silenttestrunner.main(__name__)
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