~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005 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

"""Black-box tests for bzr revert."""

import os

import bzrlib.osutils

from bzrlib.tests.blackbox import ExternalBase

from bzrlib.trace import mutter

from bzrlib.workingtree import WorkingTree

class TestRevert(ExternalBase):

    def _prepare_tree(self):

        self.runbzr('init')

        self.runbzr('mkdir dir')

        f = file('dir/file', 'wb')

        f.write('spam')

        f.close()

        self.runbzr('add dir/file')

        self.runbzr('commit -m1')

        # modify file

        f = file('dir/file', 'wb')

        f.write('eggs')

        f.close()

        # check status

        self.assertEquals('modified:\n  dir/file\n', self.capture('status'))

    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.capture('revno'))

        self.runbzr('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.runbzr('checkout --lightweight . ../sprach')

        self.runbzr('commit -m more')

        os.chdir('../sprach')

        self.assertEqual('', self.capture('status'))

        self.runbzr('revert')

        self.assertEqual('', self.capture('status'))

    def test_revert_dirname(self):

        """Test that revert DIRECTORY does what's expected"""

        self._prepare_rename_mod_tree()

        self.run_bzr('revert', 'a')

        self.failUnlessExists('a/b')

        self.failUnlessExists('a/d')

        self.failIfExists('a/g')

        self.failUnlessExists('j')

        self.failUnlessExists('h')

        self.run_bzr('revert', 'f')

        self.failIfExists('j')

        self.failIfExists('h')

        self.failUnlessExists('a/d/e')

    def test_revert(self):

        self.run_bzr('init')

        file('hello', 'wt').write('foo')

        self.run_bzr('add', 'hello')

        self.run_bzr('commit', '-m', 'setup', 'hello')

        file('goodbye', 'wt').write('baz')

        self.run_bzr('add', 'goodbye')

        self.run_bzr('commit', '-m', 'setup', 'goodbye')

        file('hello', 'wt').write('bar')

        file('goodbye', 'wt').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.failUnlessExists('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")

        file('hello', 'wt').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('..')