~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005 Canonical Ltd

# -*- coding: utf-8 -*-

#

# 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 cat.

"""

import os

from bzrlib.tests.blackbox import TestCaseWithTransport

class TestCat(TestCaseWithTransport):

    def test_cat(self):

        def bzr(*args, **kwargs):

            return self.run_bzr_subprocess(*args, **kwargs)[0]

        os.mkdir('branch')

        os.chdir('branch')

        bzr('init')

        open('a', 'wb').write('foo\n')

        bzr('add', 'a')

        # 'bzr cat' without an option should cat the last revision

        bzr('cat', 'a', retcode=3)

        bzr('commit', '-m', '1')

        open('a', 'wb').write('baz\n')

        self.assertEquals(bzr('cat', 'a'), 'foo\n')

        bzr('commit', '-m', '2')

        self.assertEquals(bzr('cat', 'a'), 'baz\n')

        self.assertEquals(bzr('cat', 'a', '-r', '1'), 'foo\n')

        self.assertEquals(bzr('cat', 'a', '-r', '-1'), 'baz\n')

        rev_id = bzr('revision-history').strip().split('\n')[-1]

        self.assertEquals(bzr('cat', 'a', '-r', 'revid:%s' % rev_id), 'baz\n')

        os.chdir('..')

        self.assertEquals(bzr('cat', 'branch/a', '-r', 'revno:1:branch'),

                          'foo\n')

        bzr('cat', 'a', retcode=3)

        bzr('cat', 'a', '-r', 'revno:1:branch-that-does-not-exist', retcode=3)

    def test_cat_different_id(self):

        """'cat' works with old and new files"""

        tree = self.make_branch_and_tree('.')

        # the files are named after their path in the revision and

        # current trees later in the test case

        # a-rev-tree is special because it appears in both the revision

        # tree and the working tree

        self.build_tree_contents([('a-rev-tree', 'foo\n'),

            ('c-rev', 'baz\n'), ('d-rev', 'bar\n')])

        tree.lock_write()

        try:

            tree.add(['a-rev-tree', 'c-rev', 'd-rev'])

            tree.commit('add test files')

            # remove currently uses self._write_inventory - 

            # work around that for now.

            tree.flush()

            tree.remove(['d-rev'])

            tree.rename_one('a-rev-tree', 'b-tree')

            tree.rename_one('c-rev', 'a-rev-tree')

            # 'b-tree' is not present in the old tree.

            self.run_bzr_error([], 'cat', 'b-tree', '--name-from-revision')

            # get to the old file automatically

            out, err = self.run_bzr('cat', 'd-rev')

            self.assertEqual('bar\n', out)

            self.assertEqual('', err)

            out, err = self.run_bzr('cat', 'a-rev-tree',

                                    '--name-from-revision')

            self.assertEqual('foo\n', out)

            self.assertEqual('', err)

            out, err = self.run_bzr('cat', 'a-rev-tree')

            self.assertEqual('baz\n', out)

            self.assertEqual('', err)

        finally:

            tree.unlock()

    def test_remote_cat(self):

        wt = self.make_branch_and_tree('.')

        self.build_tree(['README'])

        wt.add('README')

        wt.commit('Making sure there is a basis_tree available')

        url = self.get_readonly_url() + '/README'

        out, err = self.run_bzr('cat', url)

        self.assertEqual('contents of README\n', out)

    def test_cat_no_working_tree(self):

        wt = self.make_branch_and_tree('.')

        self.build_tree(['README'])

        wt.add('README')

        wt.commit('Making sure there is a basis_tree available')

        wt.branch.bzrdir.destroy_workingtree()

        url = self.get_readonly_url() + '/README'

        out, err = self.run_bzr('cat', url)

        self.assertEqual('contents of README\n', out)