~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2007, 2009-2012 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."""

import os

from bzrlib import (

    branch as _mod_branch,

    bzrdir,

    errors,

    workingtree,

    )

from bzrlib.tests import (

    TestCaseWithTransport,

    )

from bzrlib.tests.matchers import ContainsNoVfsCalls

from bzrlib.tests.features import (

    HardlinkFeature,

    )

class TestCheckout(TestCaseWithTransport):

    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):

        out, err = 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.assertPathDoesNotExist('checkout/added_in_2')

    def test_checkout_light_dash_r(self):

        out, err = 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.assertPathDoesNotExist('checkout/added_in_2')

    def test_checkout_into_empty_dir(self):

        self.make_bzrdir('checkout')

        out, err = self.run_bzr(['checkout', 'branch', 'checkout'])

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

        tree = result.open_workingtree()

        branch = result.open_branch()

    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.assertPathExists('target/file2.moved')

        # files with content matching tree should not be moved

        self.assertPathDoesNotExist('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()

        self.run_bzr('checkout -r 1', working_dir='branch')

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

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

        branch.bzrdir.destroy_workingtree()

        self.run_bzr('checkout -r 0', working_dir='branch')

        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 --hardlink')

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

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

        self.assertEqual(source_stat, target_stat)

    def test_checkout_hardlink_files_from(self):

        self.requireFeature(HardlinkFeature)

        source = self.make_branch_and_tree('source')

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

        source.add('file1')

        source.commit('added file')

        source.bzrdir.sprout('second')

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

                                ' --files-from second')

        second_stat = os.stat('second/file1')

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

        self.assertEqual(second_stat, target_stat)

    def test_colo_checkout(self):

        source = self.make_branch_and_tree('source', format='development-colo')

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

        source.add('file1')

        source.commit('added file')

        target = source.bzrdir.sprout('file:second,branch=somebranch',

            create_tree_if_local=False)

        out, err = self.run_bzr('checkout file:,branch=somebranch .',

            working_dir='second')

        # We should always be creating a lighweight checkout for colocated

        # branches.

        self.assertEquals(

            target.open_branch(name='somebranch').base,

            target.get_branch_reference(name=""))

class TestSmartServerCheckout(TestCaseWithTransport):

    def test_heavyweight_checkout(self):

        self.setup_smart_server_with_call_log()

        t = self.make_branch_and_tree('from')

        for count in range(9):

            t.commit(message='commit %d' % count)

        self.reset_smart_call_log()

        out, err = self.run_bzr(['checkout', self.get_url('from'), 'target'])

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(10, self.hpss_calls)

        self.assertLength(1, self.hpss_connections)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

    def test_lightweight_checkout(self):

        self.setup_smart_server_with_call_log()

        t = self.make_branch_and_tree('from')

        for count in range(9):

            t.commit(message='commit %d' % count)

        self.reset_smart_call_log()

        out, err = self.run_bzr(['checkout', '--lightweight', self.get_url('from'),

            'target'])

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(15, self.hpss_calls)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)