~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006 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

"""Tests for the update command of bzr."""

import os

from bzrlib import branch, bzrdir

from bzrlib.tests import TestSkipped

from bzrlib.tests.blackbox import ExternalBase

from bzrlib.workingtree import WorkingTree

class TestUpdate(ExternalBase):

    def test_update_standalone_trivial(self):

        self.run_bzr("init")

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

        self.assertEqual('Tree is up to date at revision 0.\n', err)

        self.assertEqual('', out)

    def test_update_standalone_trivial_with_alias_up(self):

        self.run_bzr("init")

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

        self.assertEqual('Tree is up to date at revision 0.\n', err)

        self.assertEqual('', out)

    def test_update_up_to_date_light_checkout(self):

        self.make_branch_and_tree('branch')

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

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

        self.assertEqual('Tree is up to date at revision 0.\n', err)

        self.assertEqual('', out)

    def test_update_up_to_date_checkout(self):

        self.make_branch_and_tree('branch')

        self.run_bzr('checkout', 'branch', 'checkout')

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

        self.assertEqual('Tree is up to date at revision 0.\n', err)

        self.assertEqual('', out)

    def test_update_out_of_date_standalone_tree(self):

        # FIXME the default format has to change for this to pass

        # because it currently uses the branch last-revision marker.

        self.make_branch_and_tree('branch')

        # make a checkout

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

        self.build_tree(['checkout/file'])

        self.run_bzr('add checkout/file')

        self.run_bzr('commit -m add-file checkout')

        # now branch should be out of date

        out,err = self.run_bzr('update branch')

        self.assertEqual('', out)

        self.assertEqual('All changes applied successfully.\n'

                         'Updated to revision 1.\n', err)

        self.failUnlessExists('branch/file')

    def test_update_out_of_date_light_checkout(self):

        self.make_branch_and_tree('branch')

        # make two checkouts

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

        self.run_bzr('checkout --lightweight branch checkout2')

        self.build_tree(['checkout/file'])

        self.run_bzr('add checkout/file')

        self.run_bzr('commit -m add-file checkout')

        # now checkout2 should be out of date

        out,err = self.run_bzr('update checkout2')

        self.assertEqual('All changes applied successfully.\n'

                         'Updated to revision 1.\n',

                         err)

        self.assertEqual('', out)

    def test_update_conflicts_returns_2(self):

        self.make_branch_and_tree('branch')

        # make two checkouts

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

        self.build_tree(['checkout/file'])

        self.run_bzr('add checkout/file')

        self.run_bzr('commit -m add-file checkout')

        self.run_bzr('checkout --lightweight branch checkout2')

        # now alter file in checkout

        a_file = file('checkout/file', 'wt')

        a_file.write('Foo')

        a_file.close()

        self.run_bzr('commit -m checnge-file checkout')

        # now checkout2 should be out of date

        # make a local change to file

        a_file = file('checkout2/file', 'wt')

        a_file.write('Bar')

        a_file.close()

        out,err = self.run_bzr('update checkout2', retcode=1)

        self.assertEqual(['1 conflicts encountered.',

                          'Updated to revision 2.'],

                         err.split('\n')[1:3])

        self.assertContainsRe(err, 'Text conflict in file\n')

        self.assertEqual('', out)

    def test_smoke_update_checkout_bound_branch_local_commits(self):

        # smoke test for doing an update of a checkout of a bound

        # branch with local commits.

        master = self.make_branch_and_tree('master')

        # make a bound branch

        self.run_bzr('checkout', 'master', 'child')

        # get an object form of child

        child = WorkingTree.open('child')

        # check that out

        self.run_bzr('checkout', '--lightweight', 'child', 'checkout')

        # get an object form of the checkout to manipulate

        wt = WorkingTree.open('checkout')

        # change master

        a_file = file('master/file', 'wt')

        a_file.write('Foo')

        a_file.close()

        master.add(['file'])

        master_tip = master.commit('add file')

        # change child

        a_file = file('child/file_b', 'wt')

        a_file.write('Foo')

        a_file.close()

        child.add(['file_b'])

        child_tip = child.commit('add file_b', local=True)

        # check checkout

        a_file = file('checkout/file_c', 'wt')

        a_file.write('Foo')

        a_file.close()

        wt.add(['file_c'])

        # now, update checkout ->

        # get all three files and a pending merge.

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

        self.assertEqual('', out)

        self.assertContainsRe(err, 'Updated to revision 1.\n'

                                   'Your local commits will now show as'

                                   ' pending merges')

        self.assertEqual([master_tip, child_tip], wt.get_parent_ids())

        self.failUnlessExists('checkout/file')

        self.failUnlessExists('checkout/file_b')

        self.failUnlessExists('checkout/file_c')

        self.assertTrue(wt.has_filename('file_c'))

    def test_update_with_merges(self):

        # Test that 'bzr update' works correctly when you have

        # an update in the master tree, and a lightweight checkout

        # which has merged another branch

        master = self.make_branch_and_tree('master')

        self.build_tree(['master/file'])

        master.add(['file'])

        master.commit('one', rev_id='m1')

        self.build_tree(['checkout1/'])

        checkout_dir = bzrdir.BzrDirMetaFormat1().initialize('checkout1')

        branch.BranchReferenceFormat().initialize(checkout_dir, master.branch)

        checkout1 = checkout_dir.create_workingtree('m1')

        # Create a second branch, with an extra commit

        other = master.bzrdir.sprout('other').open_workingtree()

        self.build_tree(['other/file2'])

        other.add(['file2'])

        other.commit('other2', rev_id='o2')

        # Create a new commit in the master branch

        self.build_tree(['master/file3'])

        master.add(['file3'])

        master.commit('f3', rev_id='m2')

        # Merge the other branch into checkout

        os.chdir('checkout1')

        self.run_bzr('merge', '../other')

        self.assertEqual(['o2'], checkout1.get_parent_ids()[1:])

        # At this point, 'commit' should fail, because we are out of date

        self.run_bzr_error(["please run 'bzr update'"],

                           'commit', '-m', 'merged')

        # This should not report about local commits being pending

        # merges, because they were real merges

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

        self.assertEqual('', out)

        self.assertEqual('All changes applied successfully.\n'

                         'Updated to revision 2.\n', err)

        # The pending merges should still be there

        self.assertEqual(['o2'], checkout1.get_parent_ids()[1:])

    def test_readonly_lightweight_update(self):

        """Update a light checkout of a readonly branch"""

        tree = self.make_branch_and_tree('branch')

        readonly_branch = branch.Branch.open(self.get_readonly_url('branch'))

        checkout = readonly_branch.create_checkout('checkout',

                                                   lightweight=True)

        tree.commit('empty commit')

        self.run_bzr(['update', 'checkout'])