~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

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

import os

from bzrlib import (

        osutils,

        urlutils,

        branch,

        )

from bzrlib.workingtree import WorkingTree

from bzrlib.tests import (

        TestCaseWithTransport,

        script,

        )

from bzrlib.directory_service import directories

class TestSwitch(TestCaseWithTransport):

    def _create_sample_tree(self):

        tree = self.make_branch_and_tree('branch-1')

        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])

        tree.add('file-1')

        tree.commit('rev1')

        tree.add('file-2')

        tree.commit('rev2')

        return tree

    def test_switch_up_to_date_light_checkout(self):

        self.make_branch_and_tree('branch')

        self.run_bzr('branch branch branch2')

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

        os.chdir('checkout')

        out, err = self.run_bzr('switch ../branch2')

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

        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')

        self.assertEqual('', out)

    def test_switch_out_of_date_light_checkout(self):

        self.make_branch_and_tree('branch')

        self.run_bzr('branch branch branch2')

        self.build_tree(['branch2/file'])

        self.run_bzr('add branch2/file')

        self.run_bzr('commit -m add-file branch2')

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

        os.chdir('checkout')

        out, err = self.run_bzr('switch ../branch2')

        #self.assertContainsRe(err, '\+N  file')

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

        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')

        self.assertEqual('', out)

    def _test_switch_nick(self, lightweight):

        """Check that the nick gets switched too."""

        tree1 = self.make_branch_and_tree('branch1')

        tree2 = self.make_branch_and_tree('branch2')

        tree2.pull(tree1.branch)

        checkout =  tree1.branch.create_checkout('checkout',

            lightweight=lightweight)

        self.assertEqual(checkout.branch.nick, tree1.branch.nick)

        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),

            False)

        self.run_bzr('switch branch2', working_dir='checkout')

        # we need to get the tree again, otherwise we don't get the new branch

        checkout = WorkingTree.open('checkout')

        self.assertEqual(checkout.branch.nick, tree2.branch.nick)

        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),

            False)

    def test_switch_nick(self):

        self._test_switch_nick(lightweight=False)

    def test_switch_nick_lightweight(self):

        self._test_switch_nick(lightweight=True)

    def _test_switch_explicit_nick(self, lightweight):

        """Check that the nick gets switched too."""

        tree1 = self.make_branch_and_tree('branch1')

        tree2 = self.make_branch_and_tree('branch2')

        tree2.pull(tree1.branch)

        checkout =  tree1.branch.create_checkout('checkout',

            lightweight=lightweight)

        self.assertEqual(checkout.branch.nick, tree1.branch.nick)

        checkout.branch.nick = "explicit_nick"

        self.assertEqual(checkout.branch.nick, "explicit_nick")

        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),

            "explicit_nick")

        self.run_bzr('switch branch2', working_dir='checkout')

        # we need to get the tree again, otherwise we don't get the new branch

        checkout = WorkingTree.open('checkout')

        self.assertEqual(checkout.branch.nick, tree2.branch.nick)

        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),

            tree2.branch.nick)

    def test_switch_explicit_nick(self):

        self._test_switch_explicit_nick(lightweight=False)

    def test_switch_explicit_nick_lightweight(self):

        self._test_switch_explicit_nick(lightweight=True)

    def test_switch_finds_relative_branch(self):

        """Switch will find 'foo' relative to the branch the checkout is of."""

        self.build_tree(['repo/'])

        tree1 = self.make_branch_and_tree('repo/brancha')

        tree1.commit('foo')

        tree2 = self.make_branch_and_tree('repo/branchb')

        tree2.pull(tree1.branch)

        branchb_id = tree2.commit('bar')

        checkout =  tree1.branch.create_checkout('checkout', lightweight=True)

        self.run_bzr(['switch', 'branchb'], working_dir='checkout')

        self.assertEqual(branchb_id, checkout.last_revision())

        checkout = checkout.bzrdir.open_workingtree()

        self.assertEqual(tree2.branch.base, checkout.branch.base)

    def test_switch_finds_relative_bound_branch(self):

        """Using switch on a heavy checkout should find master sibling

        The behaviour of lighweight and heavy checkouts should be

        consistent when using the convenient "switch to sibling" feature

        Both should switch to a sibling of the branch

        they are bound to, and not a sibling of themself"""

        self.build_tree(['repo/',

                         'heavyco/'])

        tree1 = self.make_branch_and_tree('repo/brancha')

        tree1.commit('foo')

        tree2 = self.make_branch_and_tree('repo/branchb')

        tree2.pull(tree1.branch)

        branchb_id = tree2.commit('bar')

        checkout = tree1.branch.create_checkout('heavyco/a', lightweight=False)

        self.run_bzr(['switch', 'branchb'], working_dir='heavyco/a')

        self.assertEqual(branchb_id, checkout.last_revision())

        self.assertEqual(tree2.branch.base, checkout.branch.get_bound_location())

    def test_switch_revision(self):

        tree = self._create_sample_tree()

        checkout = tree.branch.create_checkout('checkout', lightweight=True)

        self.run_bzr(['switch', 'branch-1', '-r1'], working_dir='checkout')

        self.assertPathExists('checkout/file-1')

        self.assertPathDoesNotExist('checkout/file-2')

    def test_switch_only_revision(self):

        tree = self._create_sample_tree()

        checkout = tree.branch.create_checkout('checkout', lightweight=True)

        self.assertPathExists('checkout/file-1')

        self.assertPathExists('checkout/file-2')

        self.run_bzr(['switch', '-r1'], working_dir='checkout')

        self.assertPathExists('checkout/file-1')

        self.assertPathDoesNotExist('checkout/file-2')

        # Check that we don't accept a range

        self.run_bzr_error(

            ['bzr switch --revision takes exactly one revision identifier'],

            ['switch', '-r0..2'], working_dir='checkout')

    def prepare_lightweight_switch(self):

        branch = self.make_branch('branch')

        branch.create_checkout('tree', lightweight=True)

        osutils.rename('branch', 'branch1')

    def test_switch_lightweight_after_branch_moved(self):

        self.prepare_lightweight_switch()

        self.run_bzr('switch --force ../branch1', working_dir='tree')

        branch_location = WorkingTree.open('tree').branch.base

        self.assertEndsWith(branch_location, 'branch1/')

    def test_switch_lightweight_after_branch_moved_relative(self):

        self.prepare_lightweight_switch()

        self.run_bzr('switch --force branch1', working_dir='tree')

        branch_location = WorkingTree.open('tree').branch.base

        self.assertEndsWith(branch_location, 'branch1/')

    def test_create_branch_no_branch(self):

        self.prepare_lightweight_switch()

        self.run_bzr_error(['cannot create branch without source branch'],

            'switch --create-branch ../branch2', working_dir='tree')

    def test_create_branch(self):

        branch = self.make_branch('branch')

        tree = branch.create_checkout('tree', lightweight=True)

        tree.commit('one', rev_id='rev-1')

        self.run_bzr('switch --create-branch ../branch2', working_dir='tree')

        tree = WorkingTree.open('tree')

        self.assertEndsWith(tree.branch.base, '/branch2/')

    def test_create_branch_local(self):

        branch = self.make_branch('branch')

        tree = branch.create_checkout('tree', lightweight=True)

        tree.commit('one', rev_id='rev-1')

        self.run_bzr('switch --create-branch branch2', working_dir='tree')

        tree = WorkingTree.open('tree')

        # The new branch should have been created at the same level as

        # 'branch', because we did not have a '/' segment

        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)

    def test_create_branch_short_name(self):

        branch = self.make_branch('branch')

        tree = branch.create_checkout('tree', lightweight=True)

        tree.commit('one', rev_id='rev-1')

        self.run_bzr('switch -b branch2', working_dir='tree')

        tree = WorkingTree.open('tree')

        # The new branch should have been created at the same level as

        # 'branch', because we did not have a '/' segment

        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)

    def test_create_branch_directory_services(self):

        branch = self.make_branch('branch')

        tree = branch.create_checkout('tree', lightweight=True)

        class FooLookup(object):

            def look_up(self, name, url):

                return 'foo-'+name

        directories.register('foo:', FooLookup, 'Create branches named foo-')

        self.addCleanup(directories.remove, 'foo:')

        self.run_bzr('switch -b foo:branch2', working_dir='tree')

        tree = WorkingTree.open('tree')

        self.assertEndsWith(tree.branch.base, 'foo-branch2/')

    def test_switch_with_post_switch_hook(self):

        from bzrlib import branch as _mod_branch

        calls = []

        _mod_branch.Branch.hooks.install_named_hook('post_switch',

            calls.append, None)

        self.make_branch_and_tree('branch')

        self.run_bzr('branch branch branch2')

        self.run_bzr('checkout branch checkout')

        os.chdir('checkout')

        self.assertLength(0, calls)

        out, err = self.run_bzr('switch ../branch2')

        self.assertLength(1, calls)

    def test_switch_lightweight_co_with_post_switch_hook(self):

        from bzrlib import branch as _mod_branch

        calls = []

        _mod_branch.Branch.hooks.install_named_hook('post_switch',

            calls.append, None)

        self.make_branch_and_tree('branch')

        self.run_bzr('branch branch branch2')

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

        os.chdir('checkout')

        self.assertLength(0, calls)

        out, err = self.run_bzr('switch ../branch2')

        self.assertLength(1, calls)

    def test_switch_lightweight_directory(self):

        """Test --directory option"""

        # create a source branch

        a_tree = self.make_branch_and_tree('a')

        self.build_tree_contents([('a/a', 'initial\n')])

        a_tree.add('a')

        a_tree.commit(message='initial')

        # clone and add a differing revision

        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()

        self.build_tree_contents([('b/a', 'initial\nmore\n')])

        b_tree.commit(message='more')

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

        self.run_bzr('switch --directory checkout b')

        self.assertFileEqual('initial\nmore\n', 'checkout/a')

class TestSwitchParentLocationBase(TestCaseWithTransport):

    def setUp(self):

        """Set up a repository and branch ready for testing."""

        super(TestSwitchParentLocationBase, self).setUp()

        self.script_runner = script.ScriptRunner()

        self.script_runner.run_script(self, '''

                $ bzr init-repo --no-trees repo

                Shared repository...

                Location:

                  shared repository: repo

                $ bzr init repo/trunk

                Created a repository branch...

                Using shared repository: ...

                ''')

    def assertParent(self, expected_parent, branch):

        """Verify that the parent is not None and is set correctly."""

        actual_parent = branch.get_parent()

        self.assertIsSameRealPath(urlutils.local_path_to_url(expected_parent),

                                  branch.get_parent())

class TestSwitchParentLocation(TestSwitchParentLocationBase):

    def _checkout_and_switch(self, option=''):

        self.script_runner.run_script(self, '''

                $ bzr checkout %(option)s repo/trunk checkout

                $ cd checkout

                $ bzr switch --create-branch switched

                2>Tree is up to date at revision 0.

                2>Switched to branch:...switched...

                $ cd ..

                ''' % locals())

        bound_branch = branch.Branch.open_containing('checkout')[0]

        master_branch = branch.Branch.open_containing('repo/switched')[0]

        return (bound_branch, master_branch)

    def test_switch_parent_lightweight(self):

        """Lightweight checkout using bzr switch."""

        bb, mb = self._checkout_and_switch(option='--lightweight')

        self.assertParent('repo/trunk', bb)

        self.assertParent('repo/trunk', mb)

    def test_switch_parent_heavyweight(self):

        """Heavyweight checkout using bzr switch."""

        bb, mb = self._checkout_and_switch()

        self.assertParent('repo/trunk', bb)

        self.assertParent('repo/trunk', mb)