Mercurial > hgsubversion
view tests/test_template_keywords.py @ 889:7a98fbadcae9
revsets: huge speedups for fromsvn and svnrev
I have a hgsubversion repo that contains over 300,000 commits.
In that repo, this patch improves performance as follows:
hg --time log -r 'first(fromsvn())'
Before: 40.3 sec
After: 0.8 sec
hg --time log -r 'svnrev(350000)'
Before: 40.3 sec
After: 0.1 sec
Note: the performance of these revset implementations is very sensitive
to doing as little work as possible per line of the rev_map file.
I originally attempted to hide the file format details by hoisting the
parsing of each line up into RevMap.readmapfile, but the current less
abstract code is dramatically (10x or more) faster.
If the revmap file is missing, we error out and print a message
describing what to do.
author | Bryan O'Sullivan <bryano@fb.com> |
---|---|
date | Sat, 12 May 2012 05:38:34 -0700 |
parents | f089ca13cc4c |
children | d741f536f23a |
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import test_util import unittest from mercurial import commands from mercurial import error from mercurial import ui try: from mercurial import templatekw templatekw.keywords except ImportError: templatekw = None try: from mercurial import revset revset.methods except ImportError: revset = None class CapturingUI(ui.ui): def __init__(self, *args, **kwds): super(CapturingUI, self).__init__(*args, **kwds) self._output = "" def write(self, msg, *args, **kwds): self._output += msg class TestLogKeywords(test_util.TestBase): @test_util.requiresmodule(templatekw) def test_svn_keywords(self): defaults = {'date': None, 'rev': None, 'user': None} repo = self._load_fixture_and_fetch('two_revs.svndump') # we want one commit that isn't from Subversion self.commitchanges([('foo', 'foo', 'frobnicate\n')]) ui = CapturingUI() commands.log(ui, repo, template='{rev}:{svnrev} ', **defaults) self.assertEqual(ui._output, '0:2 1:3 2: ') ui = CapturingUI() commands.log(ui, repo, template='{rev}:{svnpath} ', **defaults) self.assertEqual(ui._output, '0:/trunk 1:/trunk 2: ') ui = CapturingUI() commands.log(ui, repo, template='{rev}:{svnuuid} ', **defaults) self.assertEqual(ui._output, ('0:df2126f7-00ab-4d49-b42c-7e981dde0bcf ' '1:df2126f7-00ab-4d49-b42c-7e981dde0bcf ' '2: ')) @test_util.requiresmodule(revset) @test_util.requiresmodule(templatekw) def test_svn_revsets(self): repo = self._load_fixture_and_fetch('two_revs.svndump') # we want one commit that isn't from Subversion self.commitchanges([('foo', 'foo', 'frobnicate\n')]) defaults = {'date': None, 'rev': ['fromsvn()'], 'user': None} ui = CapturingUI() commands.log(ui, repo, template='{rev}:{svnrev} ', **defaults) self.assertEqual(ui._output, '0:2 1:3 ') defaults = {'date': None, 'rev': ['svnrev(2)'], 'user': None} ui = CapturingUI() commands.log(ui, repo, template='{rev}:{svnrev} ', **defaults) self.assertEqual(ui._output, '0:2 ') defaults = {'date': None, 'rev': ['fromsvn(1)'], 'user': None} self.assertRaises(error.ParseError, commands.log, self.ui(), repo, template='{rev}:{svnrev} ', **defaults) defaults = {'date': None, 'rev': ['svnrev(1, 2)'], 'user': None} self.assertRaises(error.ParseError, commands.log, self.ui(), repo, template='{rev}:{svnrev} ', **defaults) def suite(): all_tests = [unittest.TestLoader().loadTestsFromTestCase(TestLogKeywords), ] return unittest.TestSuite(all_tests)