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Viewing changes to bzrlib/benchmarks/bench_transform.py

  • Committer: John Arbash Meinel
  • Date: 2011-01-25 22:54:08 UTC
  • mto: This revision was merged to the branch mainline in revision 5636.
  • Revision ID: john@arbash-meinel.com-20110125225408-w5b5mmh117q4jjz1
Implement a reset-to-known-state ability for DirState.

Use this in reset_state(). Allow it to use header information if it can
be parsed, otherwise allow us to pass in the information.

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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)