← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/benchmarks/bench_bench.py

  • Committer: Robert Collins
  • Date: 2005-08-23 06:52:09 UTC
  • mto: (974.1.50) (1185.1.10) (1092.3.1)
  • mto: This revision was merged to the branch mainline in revision 1139.
  • Revision ID: robertc@robertcollins.net-20050823065209-81cd5962c401751b
move io redirection into each test case from the global runner

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/benchmarks/bench_bench.py
1
 
# Copyright (C) 2006 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests for bzr benchmark utilities performance."""
18
 
 
19
 
from bzrlib import (
20
 
    osutils,
21
 
    )
22
 
from bzrlib.benchmarks import Benchmark
23
 
from bzrlib.benchmarks.tree_creator.kernel_like import (
24
 
    KernelLikeTreeCreator,
25
 
    KernelLikeAddedTreeCreator,
26
 
    KernelLikeCommittedTreeCreator,
27
 
    )
28
 
from bzrlib.tests import TestSkipped
29
 
 
30
 
 
31
 
class MakeKernelLikeTreeBenchmark(Benchmark):
32
 
    """Benchmark creating benchmark trees."""
33
 
 
34
 
    def test_make_kernel_like_tree(self):
35
 
        """Making a kernel sized tree should be ~ 5seconds on modern disk.""" 
36
 
        # on roberts machine: this originally took:  7372ms/ 7479ms
37
 
        # with the LocalTransport._abspath call:     3730ms/ 3778ms
38
 
        # with AtomicFile tuning:                    2888ms/ 2926ms
39
 
        # switching to transport.append_bytes:       1468ms/ 2849ms
40
 
        self.time(self.make_kernel_like_tree)
41
 
 
42
 
    def test_02_make_kernel_like_tree(self):
43
 
        """Hardlinking a kernel-like working tree should be ~1s"""
44
 
        # make sure kernel_like_tree is cached
45
 
        creator = KernelLikeTreeCreator(self, link_working=True)
46
 
        if not creator.is_caching_enabled():
47
 
            raise TestSkipped('caching is disabled')
48
 
        creator.ensure_cached()
49
 
        self.time(creator.create, root='bar')
50
 
 
51
 
    def test_03_make_kernel_like_added_tree(self):
52
 
        """Time the first creation of a kernel like added tree"""
53
 
        creator = KernelLikeAddedTreeCreator(self)
54
 
        creator.disable_cache()
55
 
        self.time(creator.create, root='foo')
56
 
 
57
 
    def test_04_make_kernel_like_added_tree(self):
58
 
        """Time the second creation of a kernel like added tree 
59
 
        (this should be a clone)
60
 
        """
61
 
        # make sure kernel_like_added_tree is cached
62
 
        creator = KernelLikeAddedTreeCreator(self, link_working=True)
63
 
        if not creator.is_caching_enabled():
64
 
            # Caching is disabled, this test is meaningless
65
 
            raise TestSkipped('caching is disabled')
66
 
        creator.ensure_cached()
67
 
        self.time(creator.create, root='bar')
68
 
 
69
 
    def test_05_make_kernel_like_committed_tree(self):
70
 
        """Time the first creation of a committed kernel like tree"""
71
 
        creator = KernelLikeCommittedTreeCreator(self)
72
 
        creator.disable_cache()
73
 
        self.time(creator.create, root='foo')
74
 
 
75
 
    def test_06_make_kernel_like_committed_tree(self):
76
 
        """Time the second creation of a committed kernel like tree 
77
 
        (this should be a clone)
78
 
        """
79
 
        creator = KernelLikeCommittedTreeCreator(self,
80
 
                                                 link_working=True,
81
 
                                                 link_bzr=False)
82
 
        if not creator.is_caching_enabled():
83
 
            # Caching is disabled, this test is meaningless
84
 
            raise TestSkipped('caching is disabled')
85
 
        creator.ensure_cached()
86
 
        self.time(creator.create, root='bar')
87
 
 
88
 
    def test_07_make_kernel_like_committed_tree_hardlink(self):
89
 
        """Time the creation of a committed kernel like tree 
90
 
        (this should also hardlink the .bzr/ directory)
91
 
        """
92
 
        creator = KernelLikeCommittedTreeCreator(self,
93
 
                                                 link_working=True,
94
 
                                                 link_bzr=True)
95
 
        if not creator.is_caching_enabled():
96
 
            # Caching is disabled, this test is meaningless
97
 
            raise TestSkipped('caching is disabled')
98
 
        creator.ensure_cached()
99
 
        self.time(creator.create, root='bar')
100
 
 
101