~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

"""Tree creator for many commits, including file changes."""

from bzrlib import (

    bzrdir,

    )

from bzrlib.benchmarks.tree_creator import TreeCreator

class ManyCommitTreeCreator(TreeCreator):

    """Create an tree many files and many commits."""

    def __init__(self, test, link_bzr=False, num_files=10, num_commits=10):

        tree_name = 'many_files_many_commit_tree_%d_%d' % (

            num_files, num_commits)

        super(ManyCommitTreeCreator, self).__init__(test,

            tree_name=tree_name,

            link_bzr=link_bzr,

            link_working=False,

            hot_cache=True)

        self.files = ["%s" % (i, ) for i in range(num_files)]

        self.num_files = num_files

        self.num_commits = num_commits

    def _create_tree(self, root, in_cache=False):

        num_files = self.num_files

        num_commits = self.num_commits

        files = ["%s/%s" % (root, fn) for fn in self.files]

        for fn in files:

            f = open(fn, "wb")

            try:

                f.write("some content\n")

            finally:

                f.close()

        tree = bzrdir.BzrDir.create_standalone_workingtree(root)

        tree.add(self.files)

        tree.lock_write()

        try:

            tree.commit('initial commit')

            for i in range(num_commits):

                fn = files[i % len(files)]

                content = range(i) + [i, i, i, ""]

                f = open(fn, "wb")

                try:

                    f.write("\n".join([str(i) for i in content]))

                finally:

                    f.close()

                tree.commit("changing file %s" % fn)

        finally:

            tree.unlock()

        return tree