~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2008 Aaron Bentley <aaron@aaronbentley.com>

#

#    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

import os

from bzrlib import pack, tests, transform

from bzrlib.plugins.shelf2 import shelf, serialize_transform

class TestPrepareShelf(tests.TestCaseWithTransport):

    def test_shelve_rename(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree(['foo'])

        tree.add(['foo'], ['foo-id'])

        tree.commit('foo')

        tree.rename_one('foo', 'bar')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('rename', 'foo-id', 'foo', 'bar')], list(creator))

        creator.shelve_rename('foo-id')

        work_trans_id = creator.work_transform.trans_id_file_id('foo-id')

        self.assertEqual('foo', creator.work_transform.final_name(

                         work_trans_id))

        shelf_trans_id = creator.shelf_transform.trans_id_file_id('foo-id')

        self.assertEqual('bar', creator.shelf_transform.final_name(

                         shelf_trans_id))

    def test_shelve_move(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree(['foo/', 'bar/', 'foo/baz'])

        tree.add(['foo', 'bar', 'foo/baz'], ['foo-id', 'bar-id', 'baz-id'])

        tree.commit('foo')

        tree.rename_one('foo/baz', 'bar/baz')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('rename', 'baz-id', 'foo/baz', 'bar/baz')],

                         list(creator))

        creator.shelve_rename('baz-id')

        work_trans_id = creator.work_transform.trans_id_file_id('baz-id')

        work_foo = creator.work_transform.trans_id_file_id('foo-id')

        self.assertEqual(work_foo, creator.work_transform.final_parent(

                         work_trans_id))

        shelf_trans_id = creator.shelf_transform.trans_id_file_id('baz-id')

        shelf_bar = creator.shelf_transform.trans_id_file_id('bar-id')

        self.assertEqual(shelf_bar, creator.shelf_transform.final_parent(

                         shelf_trans_id))

        creator.transform()

        self.assertEqual('foo/baz', tree.id2path('baz-id'))

    def assertShelvedFileEqual(self, expected_content, creator, file_id):

        s_trans_id = creator.shelf_transform.trans_id_file_id(file_id)

        shelf_file = creator.shelf_transform._limbo_name(s_trans_id)

        self.assertFileEqual(expected_content, shelf_file)

    def test_shelve_content_change(self):

        tree = self.make_branch_and_tree('.')

        tree.lock_write()

        self.addCleanup(tree.unlock)

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

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

        tree.commit('Committed foo')

        self.build_tree_contents([('foo', 'b\na\nc\n')])

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('modify text', 'foo-id')], list(creator))

        creator.shelve_lines('foo-id', ['a\n', 'c\n'])

        creator.transform()

        self.assertFileEqual('a\nc\n', 'foo')

        self.assertShelvedFileEqual('b\na\n', creator, 'foo-id')

    def test_shelve_creation(self):

        tree = self.make_branch_and_tree('.')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        tree.commit('Empty tree')

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

        tree.add(['foo', 'bar'], ['foo-id', 'bar-id'])

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('add file', 'bar-id', 'directory', 'bar'),

                          ('add file', 'foo-id', 'file', 'foo')],

                          sorted(list(creator)))

        creator.shelve_creation('foo-id')

        creator.shelve_creation('bar-id')

        creator.transform()

        self.assertRaises(StopIteration,

                          tree.iter_entries_by_dir(['foo-id']).next)

        s_trans_id = creator.shelf_transform.trans_id_file_id('foo-id')

        self.assertEqual('foo-id',

                         creator.shelf_transform.final_file_id(s_trans_id))

        self.failIfExists('foo')

        self.failIfExists('bar')

        self.assertShelvedFileEqual('a\n', creator, 'foo-id')

        s_bar_trans_id = creator.shelf_transform.trans_id_file_id('bar-id')

        self.assertEqual('directory',

            creator.shelf_transform.final_kind(s_bar_trans_id))

    def test_shelve_symlink_creation(self):

        self.requireFeature(tests.SymlinkFeature)

        tree = self.make_branch_and_tree('.')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        tree.commit('Empty tree')

        os.symlink('bar', 'foo')

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

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('add file', 'foo-id', 'symlink', 'foo')],

                         list(creator))

        creator.shelve_creation('foo-id')

        creator.transform()

        s_trans_id = creator.shelf_transform.trans_id_file_id('foo-id')

        self.failIfExists('foo')

        limbo_name = creator.shelf_transform._limbo_name(s_trans_id)

        self.assertEqual('bar', os.readlink(limbo_name))

    def test_shelve_creation_no_contents(self):

        tree = self.make_branch_and_tree('.')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        tree.commit('Empty tree')

        self.build_tree(['foo'])

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

        os.unlink('foo')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('add file', 'foo-id', None, 'foo')],

                         sorted(list(creator)))

        creator.shelve_creation('foo-id')

        creator.transform()

        self.assertRaises(StopIteration,

                          tree.iter_entries_by_dir(['foo-id']).next)

        self.assertShelvedFileEqual('', creator, 'foo-id')

        s_trans_id = creator.shelf_transform.trans_id_file_id('foo-id')

        self.assertEqual('foo-id',

                         creator.shelf_transform.final_file_id(s_trans_id))

        self.failIfExists('foo')

    def test_shelve_deletion(self):

        tree = self.make_branch_and_tree('tree')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        self.build_tree_contents([('tree/foo/',), ('tree/foo/bar', 'baz')])

        tree.add(['foo', 'foo/bar'], ['foo-id', 'bar-id'])

        tree.commit('Added file and directory')

        tree.unversion(['foo-id', 'bar-id'])

        os.unlink('tree/foo/bar')

        os.rmdir('tree/foo')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('delete file', 'bar-id', 'file', 'foo/bar'),

                          ('delete file', 'foo-id', 'directory', 'foo')],

                          sorted(list(creator)))

        creator.shelve_deletion('foo-id')

        creator.shelve_deletion('bar-id')

        creator.transform()

        self.assertTrue('foo-id' in tree)

        self.assertTrue('bar-id' in tree)

        self.assertFileEqual('baz', 'tree/foo/bar')

    def test_shelve_delete_contents(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/foo',])

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

        tree.commit('Added file and directory')

        os.unlink('tree/foo')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('delete file', 'foo-id', 'file', 'foo')],

                         sorted(list(creator)))

        creator.shelve_deletion('foo-id')

        creator.transform()

        self.failUnlessExists('tree/foo')

    def test_shelve_unversion(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/foo',])

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

        tree.commit('Added file and directory')

        tree.unversion(['foo-id'])

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        self.assertEqual([('delete file', 'foo-id', 'file', 'foo')],

                         sorted(list(creator)))

        creator.shelve_deletion('foo-id')

        creator.transform()

        self.failUnlessExists('tree/foo')

    def test_write_shelf(self):

        tree = self.make_branch_and_tree('tree')

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

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

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        list(creator)

        creator.shelve_creation('foo-id')

        shelf_file = open('shelf', 'wb')

        try:

            filename = creator.write_shelf(shelf_file)

        finally:

            shelf_file.close()

        parser = pack.ContainerPushParser()

        shelf_file = open('shelf', 'rb')

        try:

            parser.accept_bytes(shelf_file.read())

        finally:

            shelf_file.close()

        tt = transform.TransformPreview(tree)

        self.addCleanup(tt.finalize)

        records = iter(parser.read_pending_records())

        #skip revision-id

        records.next()

        serialize_transform.deserialize(tt, records)

class TestUnshelver(tests.TestCaseWithTransport):

    def test_unshelve(self):

        tree = self.make_branch_and_tree('tree')

        tree.commit('first commit')

        self.build_tree_contents([('tree/foo', 'bar')])

        tree.lock_write()

        self.addCleanup(tree.unlock)

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

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        list(creator)

        creator.shelve_creation('foo-id')

        shelf_file = open('shelf-file', 'w+b')

        try:

            filename = creator.write_shelf(shelf_file)

            creator.transform()

            shelf_file.seek(0)

            unshelver = shelf.Unshelver.from_tree_and_shelf(tree, shelf_file)

            unshelver.unshelve()

            self.assertFileEqual('bar', 'tree/foo')

        finally:

            shelf_file.close()

    def test_unshelve_base(self):

        tree = self.make_branch_and_tree('tree')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        tree.commit('rev1', rev_id='rev1')

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        manager = tree.get_shelf_manager()

        shelf_id, shelf_file = manager.new_shelf()

        try:

            filename = creator.write_shelf(shelf_file)

        finally:

            shelf_file.close()

        tree.commit('rev2', rev_id='rev2')

        shelf_file = manager.read_shelf(1)

        try:

            unshelver = shelf.Unshelver.from_tree_and_shelf(tree, shelf_file)

        finally:

            shelf_file.close()

        self.assertEqual('rev1', unshelver.base_tree.get_revision_id())

class TestShelfManager(tests.TestCaseWithTransport):

    def test_get_shelf_manager(self):

        tree = self.make_branch_and_tree('.')

        manager = tree.get_shelf_manager()

        self.assertEqual(tree._transport.base + 'shelf/',

                         manager.transport.base)

    def get_manager(self):

        return self.make_branch_and_tree('.').get_shelf_manager()

    def test_new_shelf(self):

        manager = self.get_manager()

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual(1, shelf_id)

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual(2, shelf_id)

        manager.delete_shelf(1)

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual(3, shelf_id)

    def test_active_shelves(self):

        manager = self.get_manager()

        self.assertEqual([], manager.active_shelves())

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual([1], manager.active_shelves())

    def test_delete_shelf(self):

        manager = self.get_manager()

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual([1], manager.active_shelves())

        manager.delete_shelf(1)

        self.assertEqual([], manager.active_shelves())

    def test_last_shelf(self):

        manager = self.get_manager()

        self.assertIs(None, manager.last_shelf())

        shelf_id, shelf_file = manager.new_shelf()

        shelf_file.close()

        self.assertEqual(1, manager.last_shelf())

    def test_read_shelf(self):

        manager = self.get_manager()

        shelf_id, shelf_file = manager.new_shelf()

        try:

            shelf_file.write('foo')

        finally:

            shelf_file.close()

        shelf_id, shelf_file = manager.new_shelf()

        try:

            shelf_file.write('bar')

        finally:

            shelf_file.close()

        shelf_file = manager.read_shelf(1)

        try:

            self.assertEqual('foo', shelf_file.read())

        finally:

            shelf_file.close()

        shelf_file = manager.read_shelf(2)

        try:

            self.assertEqual('bar', shelf_file.read())

        finally:

            shelf_file.close()

    def test_read_non_existant(self):

        manager = self.get_manager()

        e = self.assertRaises(shelf.NoSuchShelfId, manager.read_shelf, 1)

        self.assertEqual('No changes are shelved with id "1".', str(e))

    def test_shelve_changes(self):

        tree = self.make_branch_and_tree('tree')

        tree.commit('no-change commit')

        tree.lock_write()

        self.addCleanup(tree.unlock)

        self.build_tree_contents([('tree/foo', 'bar')])

        self.assertFileEqual('bar', 'tree/foo')

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

        creator = shelf.ShelfCreator(tree, tree.basis_tree())

        self.addCleanup(creator.finalize)

        list(creator)

        creator.shelve_creation('foo-id')

        shelf_manager = tree.get_shelf_manager()

        shelf_id = shelf_manager.shelve_changes(creator)

        self.failIfExists('tree/foo')

        unshelver = shelf_manager.get_unshelver(shelf_id)

        unshelver.unshelve()

        self.assertFileEqual('bar', 'tree/foo')