~bzr-pqm/bzr/bzr.dev

2052.3.2 by John Arbash Meinel
Change Copyright .. by Canonical to Copyright ... Canonical
1
# Copyright (C) 2006 Canonical Ltd
1714.1.6 by Robert Collins
Add commit benchmark source file.
2
#
3
# This program is free software; you can redistribute it and/or modify
2052.3.1 by John Arbash Meinel
Add tests to cleanup the copyright of all source files
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.
1714.1.6 by Robert Collins
Add commit benchmark source file.
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
"""Benchmarks of bzr commit."""
18
1908.4.1 by John Arbash Meinel
Adding a bunch of commit benchmarks, mostly on kernel sized trees
19
import os
1714.1.6 by Robert Collins
Add commit benchmark source file.
20
21
from bzrlib.benchmarks import Benchmark
1725.2.5 by Robert Collins
Bugfix create_branch_convenience at the root of a file system to not loop
22
from bzrlib.transport.memory import MemoryServer
23
from bzrlib.transport import get_transport
1714.1.6 by Robert Collins
Add commit benchmark source file.
24
25
1714.1.7 by Robert Collins
Review feedback.
26
class CommitBenchmark(Benchmark):
1714.1.6 by Robert Collins
Add commit benchmark source file.
27
28
    def test_commit_kernel_like_tree(self):
29
        """Commit of a fresh import of a clean kernel sized tree."""
1908.4.14 by John Arbash Meinel
Restore comment about using a memory server for .bzr/
30
        # uncomment this to run the benchmark with the repository in memory
31
        # not disk
32
        # self.transport_server = MemoryServer
33
        # self.make_kernel_like_tree(self.get_url())
1908.2.18 by John Arbash Meinel
I think it is actually better as simple helper functions on Benchmark
34
        tree = self.make_kernel_like_added_tree()
1714.1.6 by Robert Collins
Add commit benchmark source file.
35
        self.time(self.run_bzr, 'commit', '-m', 'first post')
1868.1.2 by Jan Balster
benchmark for "bzr commit single_file" in a kernel like tree
36
1908.2.7 by John Arbash Meinel
Update the benchmarks to actually use the cached trees
37
    def test_partial_commit_kernel_like_tree(self):
38
        """Commit of 1/8th of a fresh import of a clean kernel sized tree."""
1908.2.18 by John Arbash Meinel
I think it is actually better as simple helper functions on Benchmark
39
        tree = self.make_kernel_like_added_tree()
1908.2.7 by John Arbash Meinel
Update the benchmarks to actually use the cached trees
40
        self.time(self.run_bzr, 'commit', '-m', 'first post', '1')
1908.4.1 by John Arbash Meinel
Adding a bunch of commit benchmarks, mostly on kernel sized trees
41
42
    def test_no_op_commit_in_kernel_like_tree(self):
43
        """Run commit --unchanged in a kernel sized tree"""
44
        tree = self.make_kernel_like_committed_tree()
45
        self.time(self.run_bzr, 'commit', '-m', 'no changes', '--unchanged')
46
1908.4.13 by John Arbash Meinel
Clean up commit benchmarks now that caching is not always available
47
    def test_commit_one_in_kernel_like_tree(self):
1908.4.1 by John Arbash Meinel
Adding a bunch of commit benchmarks, mostly on kernel sized trees
48
        """Time committing a single change, when not directly specified"""
49
        tree = self.make_kernel_like_committed_tree()
50
51
        # working-tree is hardlinked, so replace a file and commit the change
52
        os.remove('4/4/4/4')
53
        open('4/4/4/4', 'wb').write('new contents\n')
54
        self.time(self.run_bzr, 'commit', '-m', 'second')
55
1908.4.13 by John Arbash Meinel
Clean up commit benchmarks now that caching is not always available
56
    def test_partial_commit_one_in_kernel_like_tree(self):
57
        """Time committing a single change when it is directly specified"""
1908.4.1 by John Arbash Meinel
Adding a bunch of commit benchmarks, mostly on kernel sized trees
58
        tree = self.make_kernel_like_committed_tree()
59
60
        # working-tree is hardlinked, so replace a file and commit the change
61
        os.remove('4/4/4/4')
62
        open('4/4/4/4', 'wb').write('new contents\n')
63
        self.time(self.run_bzr, 'commit', '-m', 'second', '4/4/4/4')
64
65
    def make_simple_tree(self):
66
        """A small, simple tree. No caching needed"""
67
        tree = self.make_branch_and_tree('.')
68
        self.build_tree(['a', 'b/', 'b/c'])
69
        tree.add(['a', 'b', 'b/c'])
70
        return tree
71
72
    def test_cmd_commit(self):
73
        """Test execution of simple commit"""
74
        tree = self.make_simple_tree()
75
        self.time(self.run_bzr, 'commit', '-m', 'init simple tree')
76
77
    def test_cmd_commit_subprocess(self):
78
        """Text startup and execution of a simple commit.""" 
79
        tree = self.make_simple_tree()
80
        self.time(self.run_bzr_subprocess, 'commit', '-m', 'init simple tree')