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# Copyright (C) 2006, 2007, 2009, 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
"""Black-box tests for bzr revert."""
import os
import bzrlib.osutils
from bzrlib.tests import TestCaseWithTransport
from bzrlib.trace import mutter
from bzrlib.workingtree import WorkingTree
class TestRevert(TestCaseWithTransport):
def _prepare_tree(self):
self.run_bzr('init')
self.run_bzr('mkdir dir')
f = file('dir/file', 'wb')
f.write('spam')
f.close()
self.run_bzr('add dir/file')
self.run_bzr('commit -m1')
# modify file
f = file('dir/file', 'wb')
f.write('eggs')
f.close()
# check status
self.assertEquals('modified:\n dir/file\n', self.run_bzr('status')[0])
def _prepare_rename_mod_tree(self):
self.build_tree(['a/', 'a/b', 'a/c', 'a/d/', 'a/d/e', 'f/', 'f/g',
'f/h', 'f/i'])
self.run_bzr('init')
self.run_bzr('add')
self.run_bzr('commit -m 1')
wt = WorkingTree.open('.')
wt.rename_one('a/b', 'f/b')
wt.rename_one('a/d/e', 'f/e')
wt.rename_one('a/d', 'f/d')
wt.rename_one('f/g', 'a/g')
wt.rename_one('f/h', 'h')
wt.rename_one('f', 'j')
def helper(self, param=''):
self._prepare_tree()
# change dir
# revert to default revision for file in subdir does work
os.chdir('dir')
mutter('cd dir\n')
self.assertEquals('1\n', self.run_bzr('revno')[0])
self.run_bzr('revert %s file' % param)
self.assertEquals('spam', open('file', 'rb').read())
def test_revert_in_subdir(self):
self.helper()
def test_revert_to_revision_in_subdir(self):
# test case for bug #29424:
# revert to specific revision for file in subdir does not work
self.helper('-r 1')
def test_revert_in_checkout(self):
os.mkdir('brach')
os.chdir('brach')
self._prepare_tree()
self.run_bzr('checkout --lightweight . ../sprach')
self.run_bzr('commit -m more')
os.chdir('../sprach')
self.assertEqual('', self.run_bzr('status')[0])
self.run_bzr('revert')
self.assertEqual('', self.run_bzr('status')[0])
def test_revert_dirname(self):
"""Test that revert DIRECTORY does what's expected"""
self._prepare_rename_mod_tree()
self.run_bzr('revert a')
self.assertPathExists('a/b')
self.assertPathExists('a/d')
self.assertPathDoesNotExist('a/g')
self.expectFailure(
"j is in the delta revert applies because j was renamed too",
self.assertPathExists, 'j')
self.assertPathExists('h')
self.run_bzr('revert f')
self.assertPathDoesNotExist('j')
self.assertPathDoesNotExist('h')
self.assertPathExists('a/d/e')
def test_revert_chatter(self):
self._prepare_rename_mod_tree()
chatter = self.run_bzr('revert')[1]
self.assertEqualDiff(
'R a/g => f/g\n'
'R h => f/h\n'
'R j/ => f/\n'
'R j/b => a/b\n'
'R j/d/ => a/d/\n'
'R j/e => a/d/e\n',
chatter)
def test_revert(self):
self.run_bzr('init')
with file('hello', 'wt') as f: f.write('foo')
self.run_bzr('add hello')
self.run_bzr('commit -m setup hello')
with file('goodbye', 'wt') as f: f.write('baz')
self.run_bzr('add goodbye')
self.run_bzr('commit -m setup goodbye')
with file('hello', 'wt') as f: f.write('bar')
with file('goodbye', 'wt') as f: f.write('qux')
self.run_bzr('revert hello')
self.check_file_contents('hello', 'foo')
self.check_file_contents('goodbye', 'qux')
self.run_bzr('revert')
self.check_file_contents('goodbye', 'baz')
os.mkdir('revertdir')
self.run_bzr('add revertdir')
self.run_bzr('commit -m f')
os.rmdir('revertdir')
self.run_bzr('revert')
if bzrlib.osutils.has_symlinks():
os.symlink('/unlikely/to/exist', 'symlink')
self.run_bzr('add symlink')
self.run_bzr('commit -m f')
os.unlink('symlink')
self.run_bzr('revert')
self.assertPathExists('symlink')
os.unlink('symlink')
os.symlink('a-different-path', 'symlink')
self.run_bzr('revert')
self.assertEqual('/unlikely/to/exist',
os.readlink('symlink'))
else:
self.log("skipping revert symlink tests")
with file('hello', 'wt') as f: f.write('xyz')
self.run_bzr('commit -m xyz hello')
self.run_bzr('revert -r 1 hello')
self.check_file_contents('hello', 'foo')
self.run_bzr('revert hello')
self.check_file_contents('hello', 'xyz')
os.chdir('revertdir')
self.run_bzr('revert')
os.chdir('..')
def test_revert_newly_added(self):
# this tests the UI reports reverting a newly added file
# correct (such files are not deleted)
tree = self.make_branch_and_tree('.')
self.build_tree(['file'])
tree.add(['file'])
out, err = self.run_bzr('revert')
self.assertEqual('', out)
self.assertEqual('- file\n', err)
def test_revert_removing_file(self):
# this tests the UI reports reverting a file which has been committed
# to a revision that did not have it, reports it as being deleted.
tree = self.make_branch_and_tree('.')
tree.commit('empty commit')
self.build_tree(['file'])
tree.add(['file'])
tree.commit('add file')
out, err = self.run_bzr('revert -r -2')
self.assertEqual('', out)
self.assertEqual('-D file\n', err)
def test_revert_forget_merges(self):
# revert --forget-merges removes any pending merges into the tree, but
# leaves the files unchanged
tree = self.make_branch_and_tree('.')
# forget-merges before first commit, though pointless, does not fail
self.run_bzr(['revert', '--forget-merges'])
self.build_tree(['file'])
first_rev_id = tree.commit('initial commit')
self.build_tree_contents([('file', 'new content')])
existing_parents = tree.get_parent_ids()
self.assertEquals([first_rev_id], existing_parents)
merged_parents = existing_parents + ['merged-in-rev']
tree.set_parent_ids(merged_parents)
self.assertEquals(merged_parents, tree.get_parent_ids())
self.run_bzr(['revert', '--forget-merges'])
self.assertEquals([first_rev_id], tree.get_parent_ids())
# changed files are not reverted
self.assertFileEqual('new content', 'file')
# you can give it the path of a tree
self.run_bzr(['revert', '--forget-merges', tree.abspath('.')])
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