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# Copyright (C) 2006 by Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Benchmark test suite for bzr."""
from bzrlib import (
plugin,
)
from bzrlib.tests.TestUtil import TestLoader
from bzrlib.tests.blackbox import ExternalBase
class Benchmark(ExternalBase):
def make_kernel_like_tree(self, url=None, root='.',
link_working=False):
"""Setup a temporary tree roughly like a kernel tree.
:param url: Creat the kernel like tree as a lightweight checkout
of a new branch created at url.
:param link_working: instead of creating a new copy of all files
just hardlink the working tree. Tests must request this, because
they must break links if they want to change the files
"""
from bzrlib.benchmarks.tree_creator.kernel_like import (
KernelLikeTreeCreator,
)
creator = KernelLikeTreeCreator(self, link_working=link_working,
url=url)
return creator.create(root=root)
def make_kernel_like_added_tree(self, root='.',
link_working=True,
hot_cache=True):
"""Make a kernel like tree, with all files added
:param root: Where to create the files
:param link_working: Instead of copying all of the working tree
files, just hardlink them to the cached files. Tests can unlink
files that they will change.
:param hot_cache: Run through the newly created tree and make sure
the stat-cache is correct. The old way of creating a freshly
added tree always had a hot cache.
"""
from bzrlib.benchmarks.tree_creator.kernel_like import (
KernelLikeAddedTreeCreator,
)
creator = KernelLikeAddedTreeCreator(self, link_working=link_working,
hot_cache=hot_cache)
return creator.create(root=root)
def make_kernel_like_committed_tree(self, root='.',
link_working=True,
link_bzr=False,
hot_cache=True):
"""Make a kernel like tree, with all files added and committed
:param root: Where to create the files
:param link_working: Instead of copying all of the working tree
files, just hardlink them to the cached files. Tests can unlink
files that they will change.
:param link_bzr: Hardlink the .bzr directory. For readonly
operations this is safe, and shaves off a lot of setup time
"""
from bzrlib.benchmarks.tree_creator.kernel_like import (
KernelLikeCommittedTreeCreator,
)
creator = KernelLikeCommittedTreeCreator(self,
link_working=link_working,
link_bzr=link_bzr,
hot_cache=hot_cache)
return creator.create(root=root)
def make_kernel_like_inventory(self):
"""Create an inventory with the properties of a kernel-like tree
This should be equivalent to a committed kernel like tree, not
just a working tree.
"""
from bzrlib.benchmarks.tree_creator.kernel_like import (
KernelLikeInventoryCreator,
)
creator = KernelLikeInventoryCreator(self)
return creator.create()
def make_many_commit_tree(self, directory_name='.',
hardlink=False):
"""Create a tree with many commits.
No file changes are included. Not hardlinking the working tree,
because there are no working tree files.
"""
from bzrlib.benchmarks.tree_creator.simple_many_commit import (
SimpleManyCommitTreeCreator,
)
creator = SimpleManyCommitTreeCreator(self, link_bzr=hardlink)
return creator.create(root=directory_name)
def make_heavily_merged_tree(self, directory_name='.',
hardlink=False):
"""Create a tree in which almost every commit is a merge.
No file changes are included. This produces two trees,
one of which is returned. Except for the first commit, every
commit in its revision-history is a merge another commit in the other
tree. Not hardlinking the working tree, because there are no working
tree files.
"""
from bzrlib.benchmarks.tree_creator.heavily_merged import (
HeavilyMergedTreeCreator,
)
creator = HeavilyMergedTreeCreator(self, link_bzr=hardlink)
return creator.create(root=directory_name)
def test_suite():
"""Build and return a TestSuite which contains benchmark tests only."""
testmod_names = [ \
'bzrlib.benchmarks.bench_add',
'bzrlib.benchmarks.bench_bench',
'bzrlib.benchmarks.bench_cache_utf8',
'bzrlib.benchmarks.bench_checkout',
'bzrlib.benchmarks.bench_commit',
'bzrlib.benchmarks.bench_inventory',
'bzrlib.benchmarks.bench_log',
'bzrlib.benchmarks.bench_osutils',
'bzrlib.benchmarks.bench_rocks',
'bzrlib.benchmarks.bench_status',
'bzrlib.benchmarks.bench_transform',
'bzrlib.benchmarks.bench_workingtree',
'bzrlib.benchmarks.bench_xml',
]
suite = TestLoader().loadTestsFromModuleNames(testmod_names)
# Load any benchmarks from plugins
for name, module in plugin.all_plugins().items():
if getattr(module, 'bench_suite', None) is not None:
suite.addTest(module.bench_suite())
return suite
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