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# Copyright (C) 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 WorkingTree.set_root_id"""
from bzrlib import inventory
from bzrlib.symbol_versioning import zero_twelve
from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
class TestSetRootId(TestCaseWithWorkingTree):
def test_set_None(self):
# setting the root_id to None is equivalent to setting it
# to inventory.ROOT_ID
tree = self.make_branch_and_tree('a-tree')
self.callDeprecated([
'WorkingTree.set_root_id with fileid=None was deprecated in version'
' 0.12.'],
tree.set_root_id, None)
self.assertEqual(inventory.ROOT_ID, tree.get_root_id())
def test_set_and_read_unicode(self):
tree = self.make_branch_and_tree('a-tree')
# setting the root id allows it to be read via get_root_id.
root_id = u'\xe5n-id'.encode('utf8')
tree.lock_write()
try:
old_id = tree.get_root_id()
tree.set_root_id(root_id)
self.assertEqual(root_id, tree.get_root_id())
# set root id should not have triggered a flush of the tree,
# so check a new tree sees the old state.
reference_tree = tree.bzrdir.open_workingtree()
self.assertEqual(old_id, reference_tree.get_root_id())
finally:
tree.unlock()
# having unlocked the tree, the value should have been
# preserved into the next lock, which is an implicit read
# lock around the get_root_id call.
self.assertEqual(root_id, tree.get_root_id())
# and if we get a new working tree instance, then the value
# should still be retained
tree = tree.bzrdir.open_workingtree()
self.assertEqual(root_id, tree.get_root_id())
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