Mercurial > hg
view tests/test-rust-revlog.py @ 46874:84a93fa7ecfd
revlog-compression: use zstd by default (if available)
As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.
Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.
Differential Revision: https://phab.mercurial-scm.org/D10326
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 18:55:19 +0200 |
parents | 89a2afe31e82 |
children | 6000f5b25c9b |
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from __future__ import absolute_import import unittest try: from mercurial import rustext rustext.__name__ # trigger immediate actual import except ImportError: rustext = None else: from mercurial.rustext import revlog # this would fail already without appropriate ancestor.__package__ from mercurial.rustext.ancestor import LazyAncestors from mercurial.testing import revlog as revlogtesting @unittest.skipIf( rustext is None, "rustext module revlog relies on is not available", ) class RustRevlogIndexTest(revlogtesting.RevlogBasedTestBase): def test_heads(self): idx = self.parseindex() rustidx = revlog.MixedIndex(idx) self.assertEqual(rustidx.headrevs(), idx.headrevs()) def test_get_cindex(self): # drop me once we no longer need the method for shortest node idx = self.parseindex() rustidx = revlog.MixedIndex(idx) cidx = rustidx.get_cindex() self.assertTrue(idx is cidx) def test_len(self): idx = self.parseindex() rustidx = revlog.MixedIndex(idx) self.assertEqual(len(rustidx), len(idx)) def test_ancestors(self): idx = self.parseindex() rustidx = revlog.MixedIndex(idx) lazy = LazyAncestors(rustidx, [3], 0, True) # we have two more references to the index: # - in its inner iterator for __contains__ and __bool__ # - in the LazyAncestors instance itself (to spawn new iterators) self.assertTrue(2 in lazy) self.assertTrue(bool(lazy)) self.assertEqual(list(lazy), [3, 2, 1, 0]) # a second time to validate that we spawn new iterators self.assertEqual(list(lazy), [3, 2, 1, 0]) # let's check bool for an empty one self.assertFalse(LazyAncestors(idx, [0], 0, False)) if __name__ == '__main__': import silenttestrunner silenttestrunner.main(__name__)