~bzr-pqm/bzr/bzr.dev

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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 version 2 as published by
# the Free Software Foundation.
#
# 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

"""Tests for bzr add performance."""


from bzrlib.tests.blackbox import ExternalBase


class TestAdd(ExternalBase):

    def test_one_add_kernel_like_tree(self):
        """Adding a kernel sized tree should be bearable (<5secs) fast.""" 
        # a kernel tree has ~10000 and 500 directory, with most files around 
        # 3-4 levels deep. 
        # we simulate this by three levels of dirs named 0-7, givin 512 dirs,
        # and 20 files each.
        # on roberts machine this originally took 25936ms/32244ms
        # after quick tuning (more needed):       14640ms/19677ms 
        self.run_bzr('init')
        files = []
        for outer in range(8):
            files.append("%s/" % outer)
            for middle in range(8):
                files.append("%s/%s/" % (outer, middle))
                for inner in range(8):
                    prefix = "%s/%s/%s/" % (outer, middle, inner)
                    files.append(prefix)
                    files.extend([prefix + str(foo) for foo in range(20)])
        self.build_tree(files)
        self.time(self.run_bzr, 'add')