# Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for bzr benchmark utilities performance."""
from bzrlib import (
osutils,
)
from bzrlib.benchmarks import Benchmark
from bzrlib.benchmarks.tree_creator.kernel_like import (
KernelLikeTreeCreator,
KernelLikeAddedTreeCreator,
KernelLikeCommittedTreeCreator,
)
from bzrlib.tests import TestSkipped
class MakeKernelLikeTreeBenchmark(Benchmark):
"""Benchmark creating benchmark trees."""
def test_make_kernel_like_tree(self):
"""Making a kernel sized tree should be ~ 5seconds on modern disk."""
# on roberts machine: this originally took: 7372ms/ 7479ms
# with the LocalTransport._abspath call: 3730ms/ 3778ms
# with AtomicFile tuning: 2888ms/ 2926ms
# switching to transport.append_bytes: 1468ms/ 2849ms
self.time(self.make_kernel_like_tree)
def test_02_make_kernel_like_tree(self):
"""Hardlinking a kernel-like working tree should be ~1s"""
# make sure kernel_like_tree is cached
creator = KernelLikeTreeCreator(self, link_working=True)
if not creator.is_caching_enabled():
raise TestSkipped('caching is disabled')
creator.ensure_cached()
self.time(creator.create, root='bar')
def test_03_make_kernel_like_added_tree(self):
"""Time the first creation of a kernel like added tree"""
creator = KernelLikeAddedTreeCreator(self)
creator.disable_cache()
self.time(creator.create, root='foo')
def test_04_make_kernel_like_added_tree(self):
"""Time the second creation of a kernel like added tree
(this should be a clone)
"""
# make sure kernel_like_added_tree is cached
creator = KernelLikeAddedTreeCreator(self, link_working=True)
if not creator.is_caching_enabled():
# Caching is disabled, this test is meaningless
raise TestSkipped('caching is disabled')
creator.ensure_cached()
self.time(creator.create, root='bar')
def test_05_make_kernel_like_committed_tree(self):
"""Time the first creation of a committed kernel like tree"""
creator = KernelLikeCommittedTreeCreator(self)
creator.disable_cache()
self.time(creator.create, root='foo')
def test_06_make_kernel_like_committed_tree(self):
"""Time the second creation of a committed kernel like tree
(this should be a clone)
"""
creator = KernelLikeCommittedTreeCreator(self,
link_working=True,
link_bzr=False)
if not creator.is_caching_enabled():
# Caching is disabled, this test is meaningless
raise TestSkipped('caching is disabled')
creator.ensure_cached()
self.time(creator.create, root='bar')
def test_07_make_kernel_like_committed_tree_hardlink(self):
"""Time the creation of a committed kernel like tree
(this should also hardlink the .bzr/ directory)
"""
creator = KernelLikeCommittedTreeCreator(self,
link_working=True,
link_bzr=True)
if not creator.is_caching_enabled():
# Caching is disabled, this test is meaningless
raise TestSkipped('caching is disabled')
creator.ensure_cached()
self.time(creator.create, root='bar')
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