/brz/remove-bazaar

# Copyright (C) 2008 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

"""Test uncommit."""

from bzrlib import (

    errors,

    tests,

    uncommit,

    )

class TestUncommit(tests.TestCaseWithTransport):

    def make_linear_tree(self):

        tree = self.make_branch_and_tree('tree')

        tree.lock_write()

        try:

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

            tree.add('one')

            rev_id1 = tree.commit('one')

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

            tree.add('two')

            rev_id2 = tree.commit('two')

        finally:

            tree.unlock()

        return tree, [rev_id1, rev_id2]

    def test_uncommit(self):

        tree, history = self.make_linear_tree()

        self.assertEqual(history[1], tree.last_revision())

        self.assertEqual((2, history[1]), tree.branch.last_revision_info())

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

        self.assertEqual(history[0], tree.last_revision())

        self.assertEqual((1, history[0]), tree.branch.last_revision_info())

        # The file should not be removed

        self.failUnlessExists('tree/two')

        # And it should still be listed as added

        self.assertIsNot(None, tree.path2id('two'))

    def test_uncommit_bound(self):

        tree, history = self.make_linear_tree()

        child = tree.bzrdir.sprout('child').open_workingtree()

        child.branch.bind(tree.branch)

        self.assertEqual(history[1], tree.last_revision())

        self.assertEqual((2, history[1]), tree.branch.last_revision_info())

        self.assertEqual(history[1], child.last_revision())

        self.assertEqual((2, history[1]), child.branch.last_revision_info())

        # Uncommit in a bound branch should uncommit the master branch, but not

        # touch the other working tree.

        uncommit.uncommit(child.branch, tree=child)

        self.assertEqual(history[1], tree.last_revision())

        self.assertEqual((1, history[0]), tree.branch.last_revision_info())

        self.assertEqual(history[0], child.last_revision())

        self.assertEqual((1, history[0]), child.branch.last_revision_info())

    def test_uncommit_bound_local(self):

        tree, history = self.make_linear_tree()

        child = tree.bzrdir.sprout('child').open_workingtree()

        child.branch.bind(tree.branch)

        self.assertEqual(history[1], tree.last_revision())

        self.assertEqual((2, history[1]), tree.branch.last_revision_info())

        self.assertEqual(history[1], child.last_revision())

        self.assertEqual((2, history[1]), child.branch.last_revision_info())

        # Uncommit local=True should only affect the local branch

        uncommit.uncommit(child.branch, tree=child, local=True)

        self.assertEqual(history[1], tree.last_revision())

        self.assertEqual((2, history[1]), tree.branch.last_revision_info())

        self.assertEqual(history[0], child.last_revision())

        self.assertEqual((1, history[0]), child.branch.last_revision_info())

    def test_uncommit_unbound_local(self):

        tree, history = self.make_linear_tree()

        # If this tree isn't bound, local=True raises an exception

        self.assertRaises(errors.LocalRequiresBoundBranch,

            uncommit.uncommit, tree.branch, tree=tree, local=True)