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  • Committer: Martin Pool
  • Date: 2010-04-01 04:41:18 UTC
  • mto: This revision was merged to the branch mainline in revision 5128.
  • Revision ID: mbp@sourcefrog.net-20100401044118-shyctqc02ob08ngz
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bzrlib/benchmarks/bench_transform.py
 
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# Copyright (C) 2006 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for tree transform performance"""
 
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import os
 
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from bzrlib.benchmarks import Benchmark
 
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from bzrlib.osutils import pathjoin
 
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from bzrlib.transform import TreeTransform
 
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from bzrlib.workingtree import WorkingTree
 
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class TransformBenchmark(Benchmark):
 
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    """Benchmarks for `bzrlib.transform`"""
 
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    def test_canonicalize_path(self):
 
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        """Canonicalizing paths should be fast."""
 
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        wt = self.make_kernel_like_tree(link_working=True)
 
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        paths = []
 
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        for dirpath, dirnames, filenames in os.walk('.'):
 
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            paths.extend(pathjoin(dirpath, d) for d in dirnames)
 
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            paths.extend(pathjoin(dirpath, f) for f in filenames)
 
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        tt = TreeTransform(wt)
 
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        self.time(self.canonicalize_paths, tt, paths)
 
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        tt.finalize()
 
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    def canonicalize_paths(self, tt, paths):
 
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        for path in paths:
 
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            tt.canonical_path(path)