~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2007 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

from bzrlib import (

    errors,

    tests,

    )

from bzrlib.tests.tree_implementations import TestCaseWithTree

class TestAnnotate(TestCaseWithTree):

    def test_annotate(self):

        work_tree = self.make_branch_and_tree('wt')

        tree = self.get_tree_no_parents_abc_content(work_tree)

        tree_revision = getattr(tree, 'get_revision_id', lambda: 'current:')()

        tree.lock_read()

        try:

            for revision, line in tree.annotate_iter('a-id'):

                self.assertEqual('contents of a\n', line)

                self.assertEqual(tree_revision, revision)

        finally:

            tree.unlock()

class TestReference(TestCaseWithTree):

    def skip_if_no_reference(self, tree):

        if not getattr(tree, 'supports_tree_reference', lambda: False)():

            raise tests.TestSkipped('Tree references not supported')

    def create_nested(self):

        work_tree = self.make_branch_and_tree('wt')

        work_tree.lock_write()

        try:

            self.skip_if_no_reference(work_tree)

            subtree = self.make_branch_and_tree('wt/subtree')

            subtree.set_root_id('sub-root')

            subtree.commit('foo', rev_id='sub-1')

            work_tree.add_reference(subtree)

        finally:

            work_tree.unlock()

        tree = self._convert_tree(work_tree)

        self.skip_if_no_reference(tree)

        return tree

    def test_get_reference_revision(self):

        tree = self.create_nested()

        path = tree.id2path('sub-root')

        self.assertEqual('sub-1', tree.get_reference_revision('sub-root', path))

    def test_iter_references(self):

        tree = self.create_nested()

        tree.lock_read()

        self.addCleanup(tree.unlock)

        entry = tree.inventory['sub-root']

        self.assertEqual([(tree.abspath('subtree'), 'sub-root')],

            list(tree.iter_references()))

    def test_get_root_id(self):

        # trees should return some kind of root id; it can be none

        tree = self.make_branch_and_tree('tree')

        root_id = tree.get_root_id()

        if root_id is not None:

            self.assertIsInstance(root_id, str)

class TestFileIds(TestCaseWithTree):

    def test_id2path(self):

        # translate from file-id back to path

        work_tree = self.make_branch_and_tree('wt')

        tree = self.get_tree_no_parents_abc_content(work_tree)

        tree.lock_read()

        try:

            self.assertEqual(u'a', tree.id2path('a-id'))

            # other ids give an error- don't return None for this case

            self.assertRaises(errors.NoSuchId, tree.id2path, 'a')

        finally:

            tree.unlock()