/brz/remove-bazaar

# 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 Branch facility that are not interface  tests.

For interface tests see tests/branch_implementations/*.py.

For concrete class tests see this file, and for meta-branch tests

also see this file.

"""

from StringIO import StringIO

from bzrlib import (

    branch as _mod_branch,

    bzrdir,

    errors,

    urlutils,

    )

import bzrlib.branch

from bzrlib.branch import (BzrBranch5, 

                           BzrBranchFormat5)

from bzrlib.bzrdir import (BzrDirMetaFormat1, BzrDirMeta1, 

                           BzrDir, BzrDirFormat)

from bzrlib.errors import (NotBranchError,

                           UnknownFormatError,

                           UnknownHook,

                           UnsupportedFormatError,

                           )

from bzrlib.tests import TestCase, TestCaseWithTransport

from bzrlib.transport import get_transport

class TestDefaultFormat(TestCase):

    def test_get_set_default_format(self):

        old_format = bzrlib.branch.BranchFormat.get_default_format()

        # default is 5

        self.assertTrue(isinstance(old_format, bzrlib.branch.BzrBranchFormat5))

        bzrlib.branch.BranchFormat.set_default_format(SampleBranchFormat())

        try:

            # the default branch format is used by the meta dir format

            # which is not the default bzrdir format at this point

            dir = BzrDirMetaFormat1().initialize('memory:///')

            result = dir.create_branch()

            self.assertEqual(result, 'A branch')

        finally:

            bzrlib.branch.BranchFormat.set_default_format(old_format)

        self.assertEqual(old_format, bzrlib.branch.BranchFormat.get_default_format())

class TestBranchFormat5(TestCaseWithTransport):

    """Tests specific to branch format 5"""

    def test_branch_format_5_uses_lockdir(self):

        url = self.get_url()

        bzrdir = BzrDirMetaFormat1().initialize(url)

        bzrdir.create_repository()

        branch = bzrdir.create_branch()

        t = self.get_transport()

        self.log("branch instance is %r" % branch)

        self.assert_(isinstance(branch, BzrBranch5))

        self.assertIsDirectory('.', t)

        self.assertIsDirectory('.bzr/branch', t)

        self.assertIsDirectory('.bzr/branch/lock', t)

        branch.lock_write()

        try:

            self.assertIsDirectory('.bzr/branch/lock/held', t)

        finally:

            branch.unlock()

    def test_set_push_location(self):

        from bzrlib.config import (locations_config_filename,

                                   ensure_config_dir_exists)

        ensure_config_dir_exists()

        fn = locations_config_filename()

        branch = self.make_branch('.', format='knit')

        branch.set_push_location('foo')

        local_path = urlutils.local_path_from_url(branch.base[:-1])

        self.assertFileEqual("[%s]\n"

                             "push_location = foo\n"

                             "push_location:policy = norecurse" % local_path,

                             fn)

    # TODO RBC 20051029 test getting a push location from a branch in a

    # recursive section - that is, it appends the branch name.

class SampleBranchFormat(bzrlib.branch.BranchFormat):

    """A sample format

    this format is initializable, unsupported to aid in testing the 

    open and open_downlevel routines.

    """

    def get_format_string(self):

        """See BzrBranchFormat.get_format_string()."""

        return "Sample branch format."

    def initialize(self, a_bzrdir):

        """Format 4 branches cannot be created."""

        t = a_bzrdir.get_branch_transport(self)

        t.put_bytes('format', self.get_format_string())

        return 'A branch'

    def is_supported(self):

        return False

    def open(self, transport, _found=False):

        return "opened branch."

class TestBzrBranchFormat(TestCaseWithTransport):

    """Tests for the BzrBranchFormat facility."""

    def test_find_format(self):

        # is the right format object found for a branch?

        # create a branch with a few known format objects.

        # this is not quite the same as 

        self.build_tree(["foo/", "bar/"])

        def check_format(format, url):

            dir = format._matchingbzrdir.initialize(url)

            dir.create_repository()

            format.initialize(dir)

            found_format = bzrlib.branch.BranchFormat.find_format(dir)

            self.failUnless(isinstance(found_format, format.__class__))

        check_format(bzrlib.branch.BzrBranchFormat5(), "bar")

    def test_find_format_not_branch(self):

        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())

        self.assertRaises(NotBranchError,

                          bzrlib.branch.BranchFormat.find_format,

                          dir)

    def test_find_format_unknown_format(self):

        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())

        SampleBranchFormat().initialize(dir)

        self.assertRaises(UnknownFormatError,

                          bzrlib.branch.BranchFormat.find_format,

                          dir)

    def test_register_unregister_format(self):

        format = SampleBranchFormat()

        # make a control dir

        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())

        # make a branch

        format.initialize(dir)

        # register a format for it.

        bzrlib.branch.BranchFormat.register_format(format)

        # which branch.Open will refuse (not supported)

        self.assertRaises(UnsupportedFormatError, bzrlib.branch.Branch.open, self.get_url())

        self.make_branch_and_tree('foo')

        # but open_downlevel will work

        self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))

        # unregister the format

        bzrlib.branch.BranchFormat.unregister_format(format)

        self.make_branch_and_tree('bar')

    def test_checkout_format(self):

        branch = self.make_repository('repository', shared=True)

        branch = self.make_branch('repository/branch',

            format='metaweave')

        tree = branch.create_checkout('checkout')

        self.assertIs(tree.branch.__class__, _mod_branch.BzrBranch5)

class TestBranch6(TestCaseWithTransport):

    def test_creation(self):

        format = BzrDirMetaFormat1()

        format.set_branch_format(_mod_branch.BzrBranchFormat6())

        branch = self.make_branch('a', format=format)

        self.assertIsInstance(branch, _mod_branch.BzrBranch6)

        branch = self.make_branch('b', format='experimental-branch6')

        self.assertIsInstance(branch, _mod_branch.BzrBranch6)

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

        self.assertIsInstance(branch, _mod_branch.BzrBranch6)

    def test_layout(self):

        branch = self.make_branch('a', format='experimental-branch6')

        self.failUnlessExists('a/.bzr/branch/last-revision')

        self.failIfExists('a/.bzr/branch/revision-history')

    def test_config(self):

        """Ensure that all configuration data is stored in the branch"""

        branch = self.make_branch('a', format='experimental-branch6')

        branch.set_parent('http://bazaar-vcs.org')

        self.failIfExists('a/.bzr/branch/parent')

        self.assertEqual('http://bazaar-vcs.org', branch.get_parent())

        branch.set_push_location('sftp://bazaar-vcs.org')

        config = branch.get_config()._get_branch_data_config()

        self.assertEqual('sftp://bazaar-vcs.org',

                         config.get_user_option('push_location'))

        branch.set_bound_location('ftp://bazaar-vcs.org')

        self.failIfExists('a/.bzr/branch/bound')

        self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())

    def test_set_revision_history(self):

        tree = self.make_branch_and_memory_tree('.',

            format='experimental-branch6')

        tree.lock_write()

        try:

            tree.add('.')

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

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

            tree.branch.set_revision_history(['foo', 'bar'])

            tree.branch.set_revision_history(['foo'])

            self.assertRaises(errors.NotLefthandHistory,

                              tree.branch.set_revision_history, ['bar'])

        finally:

            tree.unlock()

    def test_append_revision(self):

        tree = self.make_branch_and_tree('branch1',

            format='experimental-branch6')

        tree.lock_write()

        try:

            tree.add('.')

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

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

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

            tree.set_last_revision('bar')

            tree.branch.set_last_revision_info(2, 'bar')

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

            tree.add_parent_tree_id('baz')

            tree.commit('qux', rev_id='quxx')

            tree.branch.set_last_revision_info(0, 'null:')

            self.assertRaises(errors.NotLeftParentDescendant,

                              tree.branch.append_revision, 'bar')

            tree.branch.append_revision('foo')

            self.assertRaises(errors.NotLeftParentDescendant,

                              tree.branch.append_revision, 'baz')

            tree.branch.append_revision('bar')

            tree.branch.append_revision('baz')

            self.assertRaises(errors.NotLeftParentDescendant,

                              tree.branch.append_revision, 'quxx')

        finally:

            tree.unlock()

class TestBranchReference(TestCaseWithTransport):

    """Tests for the branch reference facility."""

    def test_create_open_reference(self):

        bzrdirformat = bzrdir.BzrDirMetaFormat1()

        t = get_transport(self.get_url('.'))

        t.mkdir('repo')

        dir = bzrdirformat.initialize(self.get_url('repo'))

        dir.create_repository()

        target_branch = dir.create_branch()

        t.mkdir('branch')

        branch_dir = bzrdirformat.initialize(self.get_url('branch'))

        made_branch = bzrlib.branch.BranchReferenceFormat().initialize(branch_dir, target_branch)

        self.assertEqual(made_branch.base, target_branch.base)

        opened_branch = branch_dir.open_branch()

        self.assertEqual(opened_branch.base, target_branch.base)

    def test_get_reference(self):

        """For a BranchReference, get_reference should reutrn the location."""

        branch = self.make_branch('target')

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

        reference_url = branch.bzrdir.root_transport.abspath('') + '/'

        # if the api for create_checkout changes to return different checkout types

        # then this file read will fail.

        self.assertFileEqual(reference_url, 'checkout/.bzr/branch/location')

        self.assertEqual(reference_url,

            bzrlib.branch.BranchReferenceFormat().get_reference(checkout.bzrdir))

class TestHooks(TestCase):

    def test_constructor(self):

        """Check that creating a BranchHooks instance has the right defaults."""

        hooks = bzrlib.branch.BranchHooks()

        self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)

        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)

        self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)

        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)

        self.assertTrue("post_uncommit" in hooks, "post_uncommit not in %s" % hooks)

    def test_installed_hooks_are_BranchHooks(self):

        """The installed hooks object should be a BranchHooks."""

        # the installed hooks are saved in self._preserved_hooks.

        self.assertIsInstance(self._preserved_hooks, bzrlib.branch.BranchHooks)

    def test_install_hook_raises_unknown_hook(self):

        """install_hook should raise UnknownHook if a hook is unknown."""

        hooks = bzrlib.branch.BranchHooks()

        self.assertRaises(UnknownHook, hooks.install_hook, 'silly', None)

    def test_install_hook_appends_known_hook(self):

        """install_hook should append the callable for known hooks."""

        hooks = bzrlib.branch.BranchHooks()

        hooks.install_hook('set_rh', None)

        self.assertEqual(hooks['set_rh'], [None])