~bzr-pqm/bzr/bzr.dev

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# Copyright (C) 2005, 2006 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

"""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


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_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.assertIs(None, tree.last_revision())