/brz/remove-bazaar

# Copyright (C) 2011, 2016 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 the per file graph API."""

from breezy.tests.per_repository import TestCaseWithRepository

class TestPerFileGraph(TestCaseWithRepository):

    def test_file_graph(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree_contents([("a", b"contents")])

        tree.add(["a"])

        fileid = tree.path2id("a")

        revid1 = tree.commit("msg")

        self.build_tree_contents([("a", b"new contents")])

        revid2 = tree.commit("msg")

        self.addCleanup(tree.lock_read().unlock)

        graph = tree.branch.repository.get_file_graph()

        self.assertEqual({

            (fileid, revid2): ((fileid, revid1),), (fileid, revid1): ()},

            graph.get_parent_map([(fileid, revid2), (fileid, revid1)]))