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# Copyright (C) 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for WorkingTree.set_root_id"""
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from bzrlib import inventory
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from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
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class TestSetRootId(TestCaseWithWorkingTree):
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def test_set_and_read_unicode(self):
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tree = self.make_branch_and_tree('a-tree')
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# setting the root id allows it to be read via get_root_id.
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root_id = u'\xe5n-id'.encode('utf8')
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old_id = tree.get_root_id()
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tree.set_root_id(root_id)
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self.assertEqual(root_id, tree.get_root_id())
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# set root id should not have triggered a flush of the tree,
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# so check a new tree sees the old state.
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reference_tree = tree.bzrdir.open_workingtree()
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self.assertEqual(old_id, reference_tree.get_root_id())
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# having unlocked the tree, the value should have been
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# preserved into the next lock, which is an implicit read
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# lock around the get_root_id call.
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self.assertEqual(root_id, tree.get_root_id())
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# and if we get a new working tree instance, then the value
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# should still be retained
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tree = tree.bzrdir.open_workingtree()
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self.assertEqual(root_id, tree.get_root_id())