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bzrlib/benchmarks/bench_transform.py

 

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# Copyright (C) 2006 by 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 version 2 as published by

 

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# the Free Software Foundation.

 

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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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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    def test_canonicalize_path(self):

 

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        """Canonicalizing paths should be fast.""" 

 

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        self.make_kernel_like_tree()

 

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        wt = WorkingTree.open('.')

 

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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)

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