1
# Copyright (C) 2006 Canonical Ltd
1
# Copyright (C) 2006 by Canonical Ltd
3
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.
4
# it under the terms of the GNU General Public License version 2 as published by
5
# the Free Software Foundation.
8
7
# This program is distributed in the hope that it will be useful,
9
8
# but WITHOUT ANY WARRANTY; without even the implied warranty of
17
16
"""Tests for bzr benchmark utilities performance."""
22
19
from bzrlib.benchmarks import Benchmark
23
from bzrlib.benchmarks.tree_creator.kernel_like import (
24
KernelLikeTreeCreator,
25
KernelLikeAddedTreeCreator,
26
KernelLikeCommittedTreeCreator,
28
from bzrlib.tests import TestSkipped
31
22
class MakeKernelLikeTreeBenchmark(Benchmark):
32
"""Benchmark creating benchmark trees."""
34
24
def test_make_kernel_like_tree(self):
35
25
"""Making a kernel sized tree should be ~ 5seconds on modern disk."""
36
26
# on roberts machine: this originally took: 7372ms/ 7479ms
37
27
# with the LocalTransport._abspath call: 3730ms/ 3778ms
38
# with AtomicFile tuning: 2888ms/ 2926ms
39
# switching to transport.append_bytes: 1468ms/ 2849ms
40
28
self.time(self.make_kernel_like_tree)
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')
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')
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)
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')
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')
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)
79
creator = KernelLikeCommittedTreeCreator(self,
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')
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)
92
creator = KernelLikeCommittedTreeCreator(self,
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')
added
removed
bzrlib/benchmarks/bench_bench.py
