Mercurial > hg
view tests/test-walkrepo.py @ 31397:8f5ed8fa39f8
perf: perform a garbage collection before each iteration
Currently, no explicit garbage collection is performed when running
the microbenchmarks in `hg perf`. I think this is wrong because
garbage collection can have a significant impact on execution times.
And, if gc is triggered via the default heuristics, it will
fire effectively randomly during subsequent benchmark iterations
due to variable amount of garbage left over from previous runs.
Running a gc before invoking the measured function will help ensure
state is more consistent across all iterations.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 13 Mar 2017 18:16:42 -0700 |
parents | d83ca854fa21 |
children | fa2423acb02f |
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from __future__ import absolute_import, print_function import os from mercurial import ( hg, scmutil, ui as uimod, util, ) chdir = os.chdir mkdir = os.mkdir pjoin = os.path.join walkrepos = scmutil.walkrepos checklink = util.checklink u = uimod.ui.load() sym = checklink('.') hg.repository(u, 'top1', create=1) mkdir('subdir') chdir('subdir') hg.repository(u, 'sub1', create=1) mkdir('subsubdir') chdir('subsubdir') hg.repository(u, 'subsub1', create=1) chdir(os.path.pardir) if sym: os.symlink(os.path.pardir, 'circle') os.symlink(pjoin('subsubdir', 'subsub1'), 'subsub1') def runtest(): reposet = frozenset(walkrepos('.', followsym=True)) if sym and (len(reposet) != 3): print("reposet = %r" % (reposet,)) print(("Found %d repositories when I should have found 3" % (len(reposet),))) if (not sym) and (len(reposet) != 2): print("reposet = %r" % (reposet,)) print(("Found %d repositories when I should have found 2" % (len(reposet),))) sub1set = frozenset((pjoin('.', 'sub1'), pjoin('.', 'circle', 'subdir', 'sub1'))) if len(sub1set & reposet) != 1: print("sub1set = %r" % (sub1set,)) print("reposet = %r" % (reposet,)) print("sub1set and reposet should have exactly one path in common.") sub2set = frozenset((pjoin('.', 'subsub1'), pjoin('.', 'subsubdir', 'subsub1'))) if len(sub2set & reposet) != 1: print("sub2set = %r" % (sub2set,)) print("reposet = %r" % (reposet,)) print("sub2set and reposet should have exactly one path in common.") sub3 = pjoin('.', 'circle', 'top1') if sym and sub3 not in reposet: print("reposet = %r" % (reposet,)) print("Symbolic links are supported and %s is not in reposet" % (sub3,)) runtest() if sym: # Simulate not having symlinks. del os.path.samestat sym = False runtest()