← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/benchmarks/bench_bundle.py

- improved handling of non-ascii branch names and test
  patch from Joel Rosdahl

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/benchmarks/bench_bundle.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 bundle performance."""
18
 
 
19
 
from cStringIO import StringIO
20
 
import os
21
 
import shutil
22
 
 
23
 
from bzrlib import bzrdir
24
 
from bzrlib.add import smart_add
25
 
from bzrlib.benchmarks import Benchmark
26
 
from bzrlib.branch import Branch
27
 
from bzrlib.bundle.apply_bundle import install_bundle
28
 
from bzrlib.bundle.serializer import read_bundle, write_bundle
29
 
from bzrlib.revision import NULL_REVISION
30
 
from bzrlib.revisionspec import RevisionSpec
31
 
from bzrlib.workingtree import WorkingTree
32
 
 
33
 
 
34
 
class BundleBenchmark(Benchmark):
35
 
    """Benchmarks for bzr bundle performance and bzr merge with a bundle."""
36
 
   
37
 
    def test_create_bundle_known_kernel_like_tree(self):
38
 
        """Create a bundle for a kernel sized tree with no ignored, unknowns,
39
 
        or added and one commit.
40
 
        """ 
41
 
        self.make_kernel_like_committed_tree()
42
 
        self.time(self.run_bzr, 'bundle', '--revision', '..-1')
43
 
 
44
 
    def test_create_bundle_many_commit_tree (self):
45
 
        """Create a bundle for a tree with many commits but no changes.""" 
46
 
        self.make_many_commit_tree()
47
 
        self.time(self.run_bzr, 'bundle', '--revision', '..-1')
48
 
 
49
 
    def test_create_bundle_heavily_merged_tree(self):
50
 
        """Create a bundle for a heavily merged tree.""" 
51
 
        self.make_heavily_merged_tree()
52
 
        self.time(self.run_bzr, 'bundle', '--revision', '..-1')
53
 
        
54
 
    def test_apply_bundle_known_kernel_like_tree(self):
55
 
        """Create a bundle for a kernel sized tree with no ignored, unknowns,
56
 
        or added and one commit.
57
 
        """ 
58
 
        tree = self.make_kernel_like_committed_tree('tree')
59
 
 
60
 
        f = open('bundle', 'wb')
61
 
        try:
62
 
            write_bundle(tree.branch.repository, tree.last_revision(),
63
 
                         NULL_REVISION, f)
64
 
        finally:
65
 
            f.close()
66
 
 
67
 
        tree2 = self.make_branch_and_tree('branch_a')
68
 
        os.chdir('branch_a')
69
 
        self.time(self.run_bzr, 'merge', '../bundle')
70
 
 
71
 
 
72
 
class BundleLibraryLevelWriteBenchmark(Benchmark):
73
 
    """ Benchmarks for the write_bundle library function. """
74
 
 
75
 
    def _time_read_write(self):
76
 
        branch, relpath = Branch.open_containing("a")
77
 
        revision_history = branch.revision_history()
78
 
        bundle_text = StringIO()
79
 
        self.time(write_bundle, branch.repository, revision_history[-1],
80
 
                  NULL_REVISION, bundle_text)
81
 
        bundle_text.seek(0)
82
 
        target_tree = self.make_branch_and_tree('b')
83
 
        bundle = self.time(read_bundle, bundle_text)
84
 
        self.time(install_bundle, target_tree.branch.repository, bundle)
85
 
 
86
 
    def test_few_files_small_tree_1_revision(self):
87
 
        os.mkdir("a")
88
 
        tree, files = self.create_with_commits(5, 1, directory_name="a")
89
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
90
 
        self._time_read_write()
91
 
 
92
 
    def test_few_files_small_tree_100_revision(self):
93
 
        os.mkdir("a")
94
 
        tree, files = self.create_with_commits(5, 1, directory_name="a")
95
 
        self.commit_some_revisions(tree, files[:5], 100, 1)
96
 
        self._time_read_write()
97
 
 
98
 
    def test_few_files_moderate_tree_1_revision(self):
99
 
        os.mkdir("a")
100
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
101
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
102
 
        self._time_read_write()
103
 
 
104
 
    def test_few_files_moderate_tree_100_revision(self):
105
 
        os.mkdir("a")
106
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
107
 
        self.commit_some_revisions(tree, files[:5], 100, 1)
108
 
        self._time_read_write()
109
 
 
110
 
    def test_some_files_moderate_tree_1_revision(self):
111
 
        os.mkdir("a")
112
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
113
 
        self.commit_some_revisions(tree, files[:100], 1, 1)
114
 
        self._time_read_write()
115
 
 
116
 
    def test_few_files_big_tree_1_revision(self):
117
 
        os.mkdir("a")
118
 
        tree, files = self.create_with_commits(1000, 1, directory_name="a")
119
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
120
 
        self._time_read_write()
121
 
 
122
 
    def test_some_files_big_tree_1_revision(self):
123
 
        os.mkdir("a")
124
 
        tree, files = self.create_with_commits(1000, 1, directory_name="a")
125
 
        self.commit_some_revisions(tree, files[:100], 1, 1)
126
 
        self._time_read_write()
127
 
 
128
 
 
129
 
class BundleLibraryLevelInstallBenchmark(Benchmark):
130
 
    """ Benchmarks for the install_bundle library function. """
131
 
 
132
 
    def _time_read_write(self):
133
 
        branch, relpath = Branch.open_containing("a")
134
 
        revision_history = branch.revision_history()
135
 
        bundle_text = StringIO()
136
 
        write_bundle(branch.repository, revision_history[-1],
137
 
                     NULL_REVISION, bundle_text)
138
 
        bundle_text.seek(0)
139
 
        target_tree = self.make_branch_and_tree('b')
140
 
        bundle = self.time(read_bundle, bundle_text)
141
 
        self.time(install_bundle, target_tree.branch.repository, bundle)
142
 
 
143
 
    def test_few_files_small_tree_1_revision(self):
144
 
        os.mkdir("a")
145
 
        tree, files = self.create_with_commits(5, 1, directory_name="a")
146
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
147
 
        self._time_read_write()
148
 
 
149
 
    def test_few_files_small_tree_100_revision(self):
150
 
        os.mkdir("a")
151
 
        tree, files = self.create_with_commits(5, 1, directory_name="a")
152
 
        self.commit_some_revisions(tree, files[:5], 100, 1)
153
 
        self._time_read_write()
154
 
 
155
 
    def test_few_files_moderate_tree_1_revision(self):
156
 
        os.mkdir("a")
157
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
158
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
159
 
        self._time_read_write()
160
 
 
161
 
    def test_few_files_moderate_tree_100_revision(self):
162
 
        os.mkdir("a")
163
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
164
 
        self.commit_some_revisions(tree, files[:5], 100, 1)
165
 
        self._time_read_write()
166
 
 
167
 
    def test_some_files_moderate_tree_1_revision(self):
168
 
        os.mkdir("a")
169
 
        tree, files = self.create_with_commits(100, 1, directory_name="a")
170
 
        self.commit_some_revisions(tree, files[:100], 1, 1)
171
 
        self._time_read_write()
172
 
 
173
 
    def test_few_files_big_tree_1_revision(self):
174
 
        os.mkdir("a")
175
 
        tree, files = self.create_with_commits(1000, 1, directory_name="a")
176
 
        self.commit_some_revisions(tree, files[:5], 1, 1)
177
 
        self._time_read_write()
178
 
 
179
 
    def test_some_files_big_tree_1_revision(self):
180
 
        os.mkdir("a")
181
 
        tree, files = self.create_with_commits(1000, 1, directory_name="a")
182
 
        self.commit_some_revisions(tree, files[:100], 1, 1)
183
 
        self._time_read_write()
184
 
 
185
 
 
186
 
if __name__ == '__main__':
187
 
    # USE the following if you want to regenerate the above test functions 
188
 
    for treesize, treesize_h in [(5, "small"), (100, "moderate"),
189
 
                                 (1000, "big")]:
190
 
        for bundlefiles, bundlefiles_h in [(5, "few"), (100, "some")]:
191
 
            if bundlefiles > treesize:
192
 
                continue
193
 
            for num_revisions in [1, 100]:
194
 
                if (num_revisions >= 100 and 
195
 
                        (bundlefiles >= 100 or treesize >= 1000)):
196
 
                    # Skip the 100x100x? tests.
197
 
                    # And the 100x?x1000
198
 
                    continue
199
 
                code = """\
200
 
    def test_%s_files_%s_tree_%s_revision(self):
201
 
        os.mkdir("a")
202
 
        tree, files = self.create_with_commits(%s, 1, directory_name="a")
203
 
        self.commit_some_revisions(tree, files[:%s], %s, 1)
204
 
        self._time_read_write()
205
 
""" % (bundlefiles_h, treesize_h, num_revisions,
206
 
       treesize, bundlefiles, num_revisions)
207
 
                print code
208