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annotate tests/test-rust-revlog.py @ 44015:443dc1655923

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rust-index: expose a method to retrieve the C index The code for `shortesthexnodeidprefix` need to access the actual C index. For now we grant its wish and expose a method to do so. Once we have the nodemap in Rust, we will be able to implement the same feature from rust and we will be able to drop this method. Differential Revision: https://phab.mercurial-scm.org/D7658
author Georges Racinet <georges.racinet@octobus.net>
date Thu, 12 Dec 2019 03:39:14 +0100
parents c627f1b2f3c3
children 89a2afe31e82
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1 from __future__ import absolute_import
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2 import unittest
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3
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4 try:
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5 from mercurial import rustext
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6
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7 rustext.__name__ # trigger immediate actual import
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8 except ImportError:
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9 rustext = None
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10 else:
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11 from mercurial.rustext import revlog
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13 # this would fail already without appropriate ancestor.__package__
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14 from mercurial.rustext.ancestor import LazyAncestors
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15
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16 from mercurial.testing import revlog as revlogtesting
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17
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18
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19 @unittest.skipIf(
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20 rustext is None, "rustext module revlog relies on is not available",
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21 )
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22 class RustRevlogIndexTest(revlogtesting.RevlogBasedTestBase):
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23 def test_heads(self):
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24 idx = self.parseindex()
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25 rustidx = revlog.MixedIndex(idx)
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26 self.assertEqual(rustidx.headrevs(), idx.headrevs())
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28 def test_get_cindex(self):
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29 # drop me once we no longer need the method for shortest node
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30 idx = self.parseindex()
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31 rustidx = revlog.MixedIndex(idx)
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32 cidx = rustidx.get_cindex()
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33 self.assertTrue(idx is cidx)
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34
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35 def test_len(self):
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36 idx = self.parseindex()
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37 rustidx = revlog.MixedIndex(idx)
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38 self.assertEqual(len(rustidx), len(idx))
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40 def test_ancestors(self):
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41 idx = self.parseindex()
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42 rustidx = revlog.MixedIndex(idx)
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43 lazy = LazyAncestors(rustidx, [3], 0, True)
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44 # we have two more references to the index:
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45 # - in its inner iterator for __contains__ and __bool__
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46 # - in the LazyAncestors instance itself (to spawn new iterators)
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47 self.assertTrue(2 in lazy)
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48 self.assertTrue(bool(lazy))
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49 self.assertEqual(list(lazy), [3, 2, 1, 0])
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50 # a second time to validate that we spawn new iterators
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51 self.assertEqual(list(lazy), [3, 2, 1, 0])
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52
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53 # let's check bool for an empty one
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54 self.assertFalse(LazyAncestors(idx, [0], 0, False))
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57 if __name__ == '__main__':
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58 import silenttestrunner
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59
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60 silenttestrunner.main(__name__)