/b-gtk/fix-viz

# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>

#

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Test the linegraph functionality."""

from bzrlib import (

    graph,

    tests,

    )

from bzrlib.plugins.gtk.branchview.linegraph import linegraph

class TestLinegraph(tests.TestCase):

    def get_graph(self, dict):

        return graph.Graph(graph.DictParentsProvider(dict))

    def test_simple(self):

        lg = linegraph(self.get_graph({"A": ("B", "C"), "B": ()}), ["A"])

        self.assertEquals(lg,

            ([

               ['A', (0, 0), [(0, 0, 0)], ['B'], [], (2,)],

               ['B', (0, 0), [], (), ['A'], (1,)]

             ],

             {'A': 0, 'B': 1},

             1))