~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005, 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

from bzrlib.tests import TestCaseWithTransport

from bzrlib.workingtree import WorkingTree

from bzrlib.branch import Branch

class TestAncestry(TestCaseWithTransport):

    def _build_branches(self):

        a_wt = self.make_branch_and_tree('A')

        open('A/foo', 'wb').write('1111\n')

        a_wt.add('foo')

        a_wt.commit('added foo',rev_id='A1')

        self.run_bzr('branch A B')

        b_wt = WorkingTree.open('B')

        open('B/foo','wb').write('1111\n22\n')

        b_wt.commit('modified B/foo',rev_id='B1')

        open('A/foo', 'wb').write('000\n1111\n')

        a_wt.commit('modified A/foo',rev_id='A2')

        a_wt.merge_from_branch(b_wt.branch, b_wt.last_revision(),

            b_wt.branch.get_rev_id(1))

        a_wt.commit('merged B into A',rev_id='A3')

    def _check_ancestry(self, location='', result=None):

        out = self.run_bzr(['ancestry', location])[0]

        if result is None:

            result = "A1\nB1\nA2\nA3\n"

        self.assertEqualDiff(out, result)

    def test_ancestry(self):

        """Tests 'ancestry' command"""

        self._build_branches()

        os.chdir('A')

        self._check_ancestry()

    def test_ancestry_with_location(self):

        """Tests 'ancestry' command with a specified location."""

        self._build_branches()

        self._check_ancestry('A')

    def test_ancestry_with_repo_branch(self):

        """Tests 'ancestry' command with a location that is a

        repository branch."""

        self._build_branches()

        self.run_bzr('init-repo repo')

        self.run_bzr('branch A repo/A')

        self._check_ancestry('repo/A')

    def test_ancestry_with_checkout(self):

        """Tests 'ancestry' command with a location that is a

        checkout of a repository branch."""

        self._build_branches()

        self.run_bzr('init-repo repo')

        self.run_bzr('branch A repo/A')

        self.run_bzr('checkout repo/A A-checkout')

        self._check_ancestry('A-checkout')

    def test_ancestry_with_lightweight_checkout(self):

        """Tests 'ancestry' command with a location that is a

        lightweight checkout of a repository branch."""

        self._build_branches()

        self.run_bzr('init-repo repo')

        self.run_bzr('branch A repo/A')

        self.run_bzr('checkout --lightweight repo/A A-checkout')

        self._check_ancestry('A-checkout')

    def test_ancestry_with_truncated_checkout(self):

        """Tests 'ancestry' command with a location that is a

        checkout of a repository branch with a shortened revision history."""

        self._build_branches()

        self.run_bzr('init-repo repo')

        self.run_bzr('branch A repo/A')

        self.run_bzr('checkout -r 2 repo/A A-checkout')

        self._check_ancestry('A-checkout', "A1\nA2\n")

    def test_ancestry_with_truncated_lightweight_checkout(self):

        """Tests 'ancestry' command with a location that is a lightweight

        checkout of a repository branch with a shortened revision history."""

        self._build_branches()

        self.run_bzr('init-repo repo')

        self.run_bzr('branch A repo/A')

        self.run_bzr('checkout -r 2 --lightweight repo/A A-checkout')

        self._check_ancestry('A-checkout', "A1\nA2\n")