~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007-2010 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 the contract of uncommit on branches.

Note that uncommit currently is not a branch method; it should be.

"""

from bzrlib import (

    branch,

    errors,

    uncommit,

    )

from bzrlib.tests import per_branch

class TestUncommitHook(per_branch.TestCaseWithBranch):

    def setUp(self):

        self.hook_calls = []

        super(TestUncommitHook, self).setUp()

    def capture_post_uncommit_hook(self, local, master, old_revno,

        old_revid, new_revno, new_revid):

        """Capture post uncommit hook calls to self.hook_calls.

        The call is logged, as is some state of the two branches.

        """

        if local:

            local_locked = local.is_locked()

            local_base = local.base

        else:

            local_locked = None

            local_base = None

        self.hook_calls.append(

            ('post_uncommit', local_base, master.base, old_revno, old_revid,

             new_revno, new_revid, local_locked, master.is_locked()))

    def test_post_uncommit_to_origin(self):

        tree = self.make_branch_and_memory_tree('branch')

        tree.lock_write()

        tree.add('')

        revid = tree.commit('a revision')

        tree.unlock()

        branch.Branch.hooks.install_named_hook('post_uncommit',

            self.capture_post_uncommit_hook, None)

        uncommit.uncommit(tree.branch)

        # with nothing left we should still get a notification, and

        # have the branch locked at notification time.

        self.assertEqual([

            ('post_uncommit', None, tree.branch.base, 1, revid,

             0, None, None, True)

            ],

            self.hook_calls)

    def test_post_uncommit_bound(self):

        master = self.make_branch('master')

        tree = self.make_branch_and_memory_tree('local')

        try:

            tree.branch.bind(master)

        except errors.UpgradeRequired:

            # cant bind this format, the test is irrelevant.

            return

        tree.lock_write()

        tree.add('')

        revid = tree.commit('a revision')

        tree.unlock()

        branch.Branch.hooks.install_named_hook(

            'post_uncommit', self.capture_post_uncommit_hook, None)

        uncommit.uncommit(tree.branch)

        # with nothing left we should still get a notification, and

        # have the branch locked at notification time.

        self.assertEqual([

            ('post_uncommit', tree.branch.base, master.base, 1, revid,

             0, None, True, True)

            ],

            self.hook_calls)

    def test_post_uncommit_not_to_origin(self):

        tree = self.make_branch_and_memory_tree('branch')

        tree.lock_write()

        tree.add('')

        revid = tree.commit('first revision')

        revid2 = tree.commit('second revision')

        revid3 = tree.commit('third revision')

        tree.unlock()

        branch.Branch.hooks.install_named_hook(

            'post_uncommit', self.capture_post_uncommit_hook, None)

        uncommit.uncommit(tree.branch, revno=2)

        # having uncommitted from up the branch, we should get the

        # before and after revnos and revids correctly.

        self.assertEqual([

            ('post_uncommit', None, tree.branch.base, 3, revid3,

             1, revid, None, True)

            ],

            self.hook_calls)