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# Copyright (C) 2005, 2006 by 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 the uncommit command."""
import os
from bzrlib import uncommit, workingtree
from bzrlib.bzrdir import BzrDirMetaFormat1
from bzrlib.errors import BzrError, BoundBranchOutOfDate
from bzrlib.tests import TestCaseWithTransport
class TestUncommit(TestCaseWithTransport):
def create_simple_tree(self):
wt = self.make_branch_and_tree('tree')
self.build_tree(['tree/a', 'tree/b', 'tree/c'])
wt.add(['a', 'b', 'c'])
wt.commit('initial commit', rev_id='a1')
open('tree/a', 'wb').write('new contents of a\n')
wt.commit('second commit', rev_id='a2')
return wt
def test_uncommit(self):
"""Test uncommit functionality."""
wt = self.create_simple_tree()
os.chdir('tree')
out, err = self.run_bzr('uncommit', '--dry-run', '--force')
self.assertContainsRe(out, 'Dry-run')
self.assertNotContainsRe(out, 'initial commit')
self.assertContainsRe(out, 'second commit')
# Nothing has changed
self.assertEqual('a2', wt.last_revision())
# Uncommit, don't prompt
out, err = self.run_bzr('uncommit', '--force')
self.assertNotContainsRe(out, 'initial commit')
self.assertContainsRe(out, 'second commit')
# This should look like we are back in revno 1
self.assertEqual('a1', wt.last_revision())
out, err = self.run_bzr('status')
self.assertEquals(out, 'modified:\n a\n')
def test_uncommit_checkout(self):
wt = self.create_simple_tree()
checkout_tree = wt.bzrdir.sprout('checkout').open_workingtree()
checkout_tree.branch.bind(wt.branch)
self.assertEqual('a2', checkout_tree.last_revision())
os.chdir('checkout')
out, err = self.run_bzr('uncommit', '--dry-run', '--force')
self.assertContainsRe(out, 'Dry-run')
self.assertNotContainsRe(out, 'initial commit')
self.assertContainsRe(out, 'second commit')
self.assertEqual('a2', checkout_tree.last_revision())
out, err = self.run_bzr('uncommit', '--force')
self.assertNotContainsRe(out, 'initial commit')
self.assertContainsRe(out, 'second commit')
# uncommit in a checkout should uncommit the parent branch
# (but doesn't effect the other working tree)
self.assertEquals('a1', checkout_tree.last_revision())
self.assertEquals('a1', wt.branch.last_revision())
self.assertEquals('a2', wt.last_revision())
def test_uncommit_bound(self):
os.mkdir('a')
a = BzrDirMetaFormat1().initialize('a')
a.create_repository()
a.create_branch()
t = a.create_workingtree()
t.commit('commit 1')
t.commit('commit 2')
t.commit('commit 3')
b = t.bzrdir.sprout('b').open_branch()
b.bind(t.branch)
uncommit.uncommit(b)
t.set_last_revision(t.branch.last_revision())
self.assertEqual(len(b.revision_history()), 2)
self.assertEqual(len(t.branch.revision_history()), 2)
t.commit('commit 3b')
self.assertRaises(BoundBranchOutOfDate, uncommit.uncommit, b)
b.pull(t.branch)
uncommit.uncommit(b)
def test_uncommit_revision(self):
wt = self.create_simple_tree()
os.chdir('tree')
out, err = self.run_bzr('uncommit', '-r1', '--force')
self.assertNotContainsRe(out, 'initial commit')
self.assertContainsRe(out, 'second commit')
self.assertEqual('a1', wt.last_revision())
self.assertEqual('a1', wt.branch.last_revision())
def test_uncommit_neg_1(self):
wt = self.create_simple_tree()
os.chdir('tree')
out, err = self.run_bzr('uncommit', '-r', '-1', retcode=1)
self.assertEqual('No revisions to uncommit.\n', out)
def test_uncommit_merges(self):
wt = self.create_simple_tree()
tree2 = wt.bzrdir.sprout('tree2').open_workingtree()
tree2.commit('unchanged', rev_id='b3')
tree2.commit('unchanged', rev_id='b4')
wt.branch.fetch(tree2.branch)
wt.set_pending_merges(['b4'])
wt.commit('merge b4', rev_id='a3')
self.assertEqual('a3', wt.last_revision())
self.assertEqual([], wt.pending_merges())
os.chdir('tree')
out, err = self.run_bzr('uncommit', '--force')
self.assertEqual('a2', wt.last_revision())
self.assertEqual(['b4'], wt.pending_merges())
def test_uncommit_multiple_merge(self):
wt = self.create_simple_tree()
tree2 = wt.bzrdir.sprout('tree2').open_workingtree()
tree2.commit('unchanged', rev_id='b3')
wt.branch.fetch(tree2.branch)
wt.set_pending_merges(['b3'])
wt.commit('merge b3', rev_id='a3')
tree2.commit('unchanged', rev_id='b4')
wt.branch.fetch(tree2.branch)
wt.set_pending_merges(['b4'])
wt.commit('merge b4', rev_id='a4')
self.assertEqual('a4', wt.last_revision())
self.assertEqual([], wt.pending_merges())
os.chdir('tree')
out, err = self.run_bzr('uncommit', '--force', '-r', '2')
self.assertEqual('a2', wt.last_revision())
self.assertEqual(['b3', 'b4'], wt.pending_merges())
def test_uncommit_octopus_merge(self):
# Check that uncommit keeps the pending merges in the same order
wt = self.create_simple_tree()
tree2 = wt.bzrdir.sprout('tree2').open_workingtree()
tree3 = wt.bzrdir.sprout('tree3').open_workingtree()
tree2.commit('unchanged', rev_id='b3')
tree3.commit('unchanged', rev_id='c3')
wt.branch.fetch(tree2.branch)
wt.branch.fetch(tree3.branch)
wt.set_pending_merges(['b3', 'c3'])
wt.commit('merge b3, c3', rev_id='a3')
tree2.commit('unchanged', rev_id='b4')
tree3.commit('unchanged', rev_id='c4')
wt.branch.fetch(tree2.branch)
wt.branch.fetch(tree3.branch)
wt.set_pending_merges(['c4', 'b4'])
wt.commit('merge b4, c4', rev_id='a4')
self.assertEqual('a4', wt.last_revision())
self.assertEqual([], wt.pending_merges())
os.chdir('tree')
out, err = self.run_bzr('uncommit', '--force', '-r', '2')
self.assertEqual('a2', wt.last_revision())
self.assertEqual(['b3', 'c3', 'c4', 'b4'], wt.pending_merges())
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