~bzr-pqm/bzr/bzr.dev

# 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 working tree performance."""

import os

from bzrlib import ignores

from bzrlib.benchmarks import Benchmark

from bzrlib.workingtree import WorkingTree

class WorkingTreeBenchmark(Benchmark):

    """Benchmarks for `bzrlib.workingtree` performance."""

    def test_list_files_kernel_like_tree(self):

        tree = self.make_kernel_like_added_tree()

        tree.lock_read()

        try:

            self.time(list, tree.list_files())

        finally:

            tree.unlock()

    def test_list_files_unknown_kernel_like_tree(self):

        tree = self.make_kernel_like_tree(link_working=True)

        tree = WorkingTree.open('.')

        # Bzr only traverses directories if they are versioned

        # So add all the directories, but not the files, yielding

        # lots of unknown files.

        for root, dirs, files in os.walk('.'):

            if '.bzr' in dirs:

                dirs.remove('.bzr')

            if root == '.':

                continue

            tree.add(root)

        tree.lock_read()

        try:

            self.time(list, tree.list_files())

        finally:

            tree.unlock()

    def test_is_ignored_single_call(self):

        """How long does is_ignored take to initialise and check one file."""

        t = self.make_branch_and_tree('.')

        self.time(t.is_ignored, "CVS")

    def test_is_ignored_10824_calls(self):

        """How long does is_ignored take to initialise and check one file."""

        t = self.make_branch_and_tree('.')

        def call_is_ignored_10824_not_ignored():

            for x in xrange(10824):

                t.is_ignored(str(x))

        self.time(call_is_ignored_10824_not_ignored)

    def test_is_ignored_10_patterns(self):

        t = self.make_branch_and_tree('.')

        ignores.add_runtime_ignores([u'*.%i' % i for i in range(1, 9)])

        ignores.add_runtime_ignores(['./foo', 'foo/bar'])

        self.time(t.is_ignored,'bar')

        ignores._runtime_ignores = set()

    def test_is_ignored_50_patterns(self):

        t = self.make_branch_and_tree('.')

        ignores.add_runtime_ignores([u'*.%i' % i for i in range(1, 49)])

        ignores.add_runtime_ignores(['./foo', 'foo/bar'])

        self.time(t.is_ignored,'bar')

        ignores._runtime_ignores = set()

    def test_is_ignored_100_patterns(self):

        t = self.make_branch_and_tree('.')

        ignores.add_runtime_ignores([u'*.%i' % i for i in range(1, 99)])

        ignores.add_runtime_ignores(['./foo', 'foo/bar'])

        self.time(t.is_ignored,'bar')

        ignores._runtime_ignores = set()

    def test_is_ignored_1000_patterns(self):

        t = self.make_branch_and_tree('.')

        ignores.add_runtime_ignores([u'*.%i' % i for i in range(1, 999)])

        ignores.add_runtime_ignores(['./foo', 'foo/bar'])

        self.time(t.is_ignored,'bar')

        ignores._runtime_ignores = set()

    def test_walkdirs_kernel_like_tree(self):

        """Walking a kernel sized tree is fast!(150ms)."""

        self.make_kernel_like_tree()

        self.run_bzr('add')

        tree = WorkingTree.open('.')

        # on roberts machine: this originally took:  157ms/4177ms

        # plain os.walk takes 213ms on this tree

        self.time(list, tree.walkdirs())

    def test_walkdirs_kernel_like_tree_unknown(self):

        """Walking a kernel sized tree is fast!(150ms)."""

        self.make_kernel_like_tree()

        tree = WorkingTree.open('.')

        # on roberts machine: this originally took:  157ms/4177ms

        # plain os.walk takes 213ms on this tree

        self.time(list, tree.walkdirs())