~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 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

"""Tests for Branch.sprout()"""

from bzrlib import (

    remote,

    revision as _mod_revision,

    tests,

    )

from bzrlib.tests.branch_implementations import TestCaseWithBranch

class TestSprout(TestCaseWithBranch):

    def test_sprout_branch_nickname(self):

        # test the nick name is reset always

        raise tests.TestSkipped('XXX branch sprouting is not yet tested.')

    def test_sprout_branch_parent(self):

        source = self.make_branch('source')

        target = source.bzrdir.sprout(self.get_url('target')).open_branch()

        self.assertEqual(source.bzrdir.root_transport.base, target.get_parent())

    def test_sprout_preserves_kind(self):

        branch1 = self.make_branch('branch1')

        target_repo = self.make_repository('branch2')

        target_repo.fetch(branch1.repository)

        branch2 = branch1.sprout(target_repo.bzrdir)

        if isinstance(branch1, remote.RemoteBranch):

            branch1._ensure_real()

            target_class = branch1._real_branch.__class__

        else:

            target_class = branch1.__class__

        self.assertIsInstance(branch2, target_class)

    def test_sprout_partial(self):

        # test sprouting with a prefix of the revision-history.

        # also needs not-on-revision-history behaviour defined.

        wt_a = self.make_branch_and_tree('a')

        self.build_tree(['a/one'])

        wt_a.add(['one'])

        wt_a.commit('commit one', rev_id='1')

        self.build_tree(['a/two'])

        wt_a.add(['two'])

        wt_a.commit('commit two', rev_id='2')

        repo_b = self.make_repository('b')

        repo_a = wt_a.branch.repository

        repo_a.copy_content_into(repo_b)

        br_b = wt_a.branch.sprout(repo_b.bzrdir, revision_id='1')

        self.assertEqual('1', br_b.last_revision())

    def test_sprout_partial_not_in_revision_history(self):

        """We should be able to sprout from any revision in ancestry."""

        wt = self.make_branch_and_tree('source')

        self.build_tree(['source/a'])

        wt.add('a')

        wt.commit('rev1', rev_id='rev1')

        wt.commit('rev2-alt', rev_id='rev2-alt')

        wt.set_parent_ids(['rev1'])

        wt.branch.set_last_revision_info(1, 'rev1')

        wt.commit('rev2', rev_id='rev2')

        wt.set_parent_ids(['rev2', 'rev2-alt'])

        wt.commit('rev3', rev_id='rev3')

        repo = self.make_repository('target')

        repo.fetch(wt.branch.repository)

        branch2 = wt.branch.sprout(repo.bzrdir, revision_id='rev2-alt')

        self.assertEqual((2, 'rev2-alt'), branch2.last_revision_info())

        self.assertEqual(['rev1', 'rev2-alt'], branch2.revision_history())

    def test_sprout_from_any_repo_revision(self):

        """We should be able to sprout from any revision."""

        wt = self.make_branch_and_tree('source')

        self.build_tree(['source/a'])

        wt.add('a')

        wt.commit('rev1a', rev_id='rev1a')

        # simulated uncommit

        wt.branch.set_last_revision_info(0, _mod_revision.NULL_REVISION)

        wt.set_last_revision(_mod_revision.NULL_REVISION)

        wt.revert()

        wt.commit('rev1b', rev_id='rev1b')

        wt2 = wt.bzrdir.sprout('target',

            revision_id='rev1a').open_workingtree()

        self.assertEqual('rev1a', wt2.last_revision())

        self.failUnlessExists('target/a')