~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2009, 2010 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 versioning of bzrlib."""

from cStringIO import StringIO

import os

import re

from bzrlib import version, workingtree

from bzrlib.tests import TestCase, TestSkipped

class TestBzrlibVersioning(TestCase):

    def test_get_bzr_source_tree(self):

        """Get tree for bzr source, if any."""

        self.permit_source_tree_branch_repo()

        # We don't know if these tests are being run from a checkout or branch

        # of bzr, from an installed copy, or from source unpacked from a

        # tarball.  We don't construct a branch just for testing this, so we

        # just assert that it must either return None or the tree.

        src_tree = version._get_bzr_source_tree()

        if src_tree is None:

            raise TestSkipped("bzr tests aren't run from a bzr working tree")

        else:

            # ensure that what we got was in fact a working tree instance.

            self.assertIsInstance(src_tree, workingtree.WorkingTree)

    def test_python_binary_path(self):

        self.permit_source_tree_branch_repo()

        sio = StringIO()

        version.show_version(show_config=False, show_copyright=False,

            to_file=sio)

        out = sio.getvalue()

        m = re.search(r"Python interpreter: (.*) [0-9]", out)

        self.assertIsNot(m, None)

        self.failUnlessExists(m.group(1))