~bzr-pqm/bzr/bzr.dev

# 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

"""Tests for the 'checkout' CLI command."""

from cStringIO import StringIO

import os

import re

import shutil

import sys

from bzrlib import (

    branch as _mod_branch,

    bzrdir,

    errors,

    workingtree,

    )

from bzrlib.tests.blackbox import (

    ExternalBase,

    )

from bzrlib.tests import (

    HardlinkFeature,

    KnownFailure,

    )

class TestCheckout(ExternalBase):

    def setUp(self):

        super(TestCheckout, self).setUp()

        tree = bzrdir.BzrDir.create_standalone_workingtree('branch')

        tree.commit('1', rev_id='1', allow_pointless=True)

        self.build_tree(['branch/added_in_2'])

        tree.add('added_in_2')

        tree.commit('2', rev_id='2')

    def test_checkout_makes_bound_branch(self):

        self.run_bzr('checkout branch checkout')

        # if we have a checkout, the branch base should be 'branch'

        source = bzrdir.BzrDir.open('branch')

        result = bzrdir.BzrDir.open('checkout')

        self.assertEqual(source.open_branch().bzrdir.root_transport.base,

                         result.open_branch().get_bound_location())

    def test_checkout_light_makes_checkout(self):

        self.run_bzr('checkout --lightweight branch checkout')

        # if we have a checkout, the branch base should be 'branch'

        source = bzrdir.BzrDir.open('branch')

        result = bzrdir.BzrDir.open('checkout')

        self.assertEqual(source.open_branch().bzrdir.root_transport.base,

                         result.open_branch().bzrdir.root_transport.base)

    def test_checkout_dash_r(self):

        self.run_bzr('checkout -r -2 branch checkout')

        # the working tree should now be at revision '1' with the content

        # from 1.

        result = bzrdir.BzrDir.open('checkout')

        self.assertEqual(['1'], result.open_workingtree().get_parent_ids())

        self.failIfExists('checkout/added_in_2')

    def test_checkout_light_dash_r(self):

        self.run_bzr('checkout --lightweight -r -2 branch checkout')

        # the working tree should now be at revision '1' with the content

        # from 1.

        result = bzrdir.BzrDir.open('checkout')

        self.assertEqual(['1'], result.open_workingtree().get_parent_ids())

        self.failIfExists('checkout/added_in_2')

    def test_checkout_reconstitutes_working_trees(self):

        # doing a 'bzr checkout' in the directory of a branch with no tree

        # or a 'bzr checkout path' with path the name of a directory with

        # a branch with no tree will reconsistute the tree.

        os.mkdir('treeless-branch')

        branch = bzrdir.BzrDir.create_branch_convenience(

            'treeless-branch',

            force_new_tree=False,

            format=bzrdir.BzrDirMetaFormat1())

        # check no tree was created

        self.assertRaises(errors.NoWorkingTree, branch.bzrdir.open_workingtree)

        out, err = self.run_bzr('checkout treeless-branch')

        # we should have a tree now

        branch.bzrdir.open_workingtree()

        # with no diff

        out, err = self.run_bzr('diff treeless-branch')

        # now test with no parameters

        branch = bzrdir.BzrDir.create_branch_convenience(

            '.',

            force_new_tree=False,

            format=bzrdir.BzrDirMetaFormat1())

        # check no tree was created

        self.assertRaises(errors.NoWorkingTree, branch.bzrdir.open_workingtree)

        out, err = self.run_bzr('checkout')

        # we should have a tree now

        branch.bzrdir.open_workingtree()

        # with no diff

        out, err = self.run_bzr('diff')

    def _test_checkout_existing_dir(self, lightweight):

        source = self.make_branch_and_tree('source')

        self.build_tree_contents([('source/file1', 'content1'),

                                  ('source/file2', 'content2'),])

        source.add(['file1', 'file2'])

        source.commit('added files')

        self.build_tree_contents([('target/', ''),

                                  ('target/file1', 'content1'),

                                  ('target/file2', 'content3'),])

        cmd = ['checkout', 'source', 'target']

        if lightweight:

            cmd.append('--lightweight')

        self.run_bzr('checkout source target')

        # files with unique content should be moved

        self.failUnlessExists('target/file2.moved')

        # files with content matching tree should not be moved

        self.failIfExists('target/file1.moved')

    def test_checkout_existing_dir_heavy(self):

        self._test_checkout_existing_dir(False)

    def test_checkout_existing_dir_lightweight(self):

        self._test_checkout_existing_dir(True)

    def test_checkout_in_branch_with_r(self):

        branch = _mod_branch.Branch.open('branch')

        branch.bzrdir.destroy_workingtree()

        os.chdir('branch')

        self.run_bzr('checkout -r 1')

        tree = workingtree.WorkingTree.open('.')

        self.assertEqual('1', tree.last_revision())

        branch.bzrdir.destroy_workingtree()

        self.run_bzr('checkout -r 0')

        self.assertEqual('null:', tree.last_revision())

    def test_checkout_files_from(self):

        branch = _mod_branch.Branch.open('branch')

        self.run_bzr(['checkout', 'branch', 'branch2', '--files-from',

                      'branch'])

    def test_checkout_hardlink(self):

        self.requireFeature(HardlinkFeature)

        source = self.make_branch_and_tree('source')

        self.build_tree(['source/file1'])

        source.add('file1')

        source.commit('added file')

        out, err = self.run_bzr(['checkout', 'source', 'target',

            '--files-from', 'source',

            '--hardlink'])

        source_stat = os.stat('source/file1')

        target_stat = os.stat('target/file1')

        self.assertEqual(source_stat, target_stat)