~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006-2009, 2011 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

import os

from bzrlib import errors, tests, workingtree

from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree

class TestBasisInventory(TestCaseWithWorkingTree):

    def make_trees(self):

        tree = self.make_branch_and_tree('tree')

        tree.set_root_id('root-id')

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

        tree.add('file1', 'file1-id')

        sub_tree = self.make_branch_and_tree('tree/sub-tree')

        sub_tree.set_root_id('sub-tree-root-id')

        sub_tree.commit('commit', rev_id='sub_1')

        return tree, sub_tree

    def _references_unsupported(self, tree):

        if not tree.supports_tree_reference():

            raise tests.TestNotApplicable(

                'Tree format does not support references')

        else:

            self.fail('%r does not support references but should'

                % (tree, ))

    def make_nested_trees(self):

        tree, sub_tree = self.make_trees()

        try:

            tree.add_reference(sub_tree)

        except errors.UnsupportedOperation:

            self._references_unsupported(tree)

        return tree, sub_tree

    def test_add_reference(self):

        self.make_nested_trees()

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

        tree.lock_write()

        try:

            self.assertEqual(tree.path2id('sub-tree'), 'sub-tree-root-id')

            self.assertEqual(tree.kind('sub-tree-root-id'), 'tree-reference')

            tree.commit('commit reference')

            basis = tree.basis_tree()

            basis.lock_read()

            try:

                sub_tree = tree.get_nested_tree('sub-tree-root-id')

                self.assertEqual(sub_tree.last_revision(),

                    tree.get_reference_revision('sub-tree-root-id'))

            finally:

                basis.unlock()

        finally:

            tree.unlock()

    def test_add_reference_same_root(self):

        tree = self.make_branch_and_tree('tree')

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

        tree.add('file1', 'file1-id')

        tree.set_root_id('root-id')

        sub_tree = self.make_branch_and_tree('tree/sub-tree')

        sub_tree.set_root_id('root-id')

        try:

            self.assertRaises(errors.BadReferenceTarget, tree.add_reference,

                              sub_tree)

        except errors.UnsupportedOperation:

            self._references_unsupported(tree)

    def test_root_present(self):

        """Subtree root is present, though not the working tree root"""

        tree, sub_tree = self.make_trees()

        sub_tree.set_root_id('file1-id')

        try:

            self.assertRaises(errors.BadReferenceTarget, tree.add_reference,

                              sub_tree)

        except errors.UnsupportedOperation:

            self._references_unsupported(tree)

    def test_add_non_subtree(self):

        tree, sub_tree = self.make_trees()

        os.rename('tree/sub-tree', 'sibling')

        sibling = workingtree.WorkingTree.open('sibling')

        try:

            self.assertRaises(errors.BadReferenceTarget, tree.add_reference,

                              sibling)

        except errors.UnsupportedOperation:

            self._references_unsupported(tree)

    def test_get_nested_tree(self):

        tree, sub_tree = self.make_nested_trees()

        tree.lock_read()

        try:

            sub_tree2 = tree.get_nested_tree('sub-tree-root-id')

            self.assertEqual(sub_tree.basedir, sub_tree2.basedir)

            sub_tree2 = tree.get_nested_tree('sub-tree-root-id', 'sub-tree')

        finally:

            tree.unlock()