Mercurial > hg
view tests/test-rust-revlog.py @ 51961:a9b1acca2b14 stable
relnotes: skip the test if the source repository is not readable
The test want to run the relnot extension, with the tested mercurial, on the
original repository. This is not always possible (e.g. when running with --pure
and the repository use zstd for example). So we skip the test in this case.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Tue, 08 Oct 2024 15:54:59 +0200 |
parents | f94c10334bcb |
children |
line wrap: on
line source
import struct import unittest from mercurial.node import hex 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 header = struct.unpack(">I", revlogtesting.data_non_inlined[:4])[0] @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.Index(revlogtesting.data_non_inlined, header) self.assertEqual(rustidx.headrevs(), idx.headrevs()) def test_len(self): idx = self.parseindex() rustidx = revlog.Index(revlogtesting.data_non_inlined, header) self.assertEqual(len(rustidx), len(idx)) def test_ancestors(self): rustidx = revlog.Index(revlogtesting.data_non_inlined, header) 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(rustidx, [0], 0, False)) @unittest.skipIf( rustext is None, "rustext module revlog relies on is not available", ) class RustRevlogNodeTreeClassTest(revlogtesting.RustRevlogBasedTestBase): def test_standalone_nodetree(self): idx = self.parserustindex() nt = revlog.NodeTree(idx) for i in range(4): nt.insert(i) bin_nodes = [entry[7] for entry in idx] hex_nodes = [hex(n) for n in bin_nodes] for i, node in enumerate(hex_nodes): self.assertEqual(nt.prefix_rev_lookup(node), i) self.assertEqual(nt.prefix_rev_lookup(node[:5]), i) # all 4 revisions in idx (standard data set) have different # first nybbles in their Node IDs, # hence `nt.shortest()` should return 1 for them, except when # the leading nybble is 0 (ambiguity with NULL_NODE) for i, (bin_node, hex_node) in enumerate(zip(bin_nodes, hex_nodes)): shortest = nt.shortest(bin_node) expected = 2 if hex_node[0] == ord('0') else 1 self.assertEqual(shortest, expected) self.assertEqual(nt.prefix_rev_lookup(hex_node[:shortest]), i) # test invalidation (generation poisoning) detection del idx[3] self.assertTrue(nt.is_invalidated()) if __name__ == '__main__': import silenttestrunner silenttestrunner.main(__name__)