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  • Committer: Robert Collins
  • Date: 2007-07-04 08:08:13 UTC
  • mfrom: (2572 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2587.
  • Revision ID: robertc@robertcollins.net-20070704080813-wzebx0r88fvwj5rq
Merge bzr.dev.

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bzrlib/tests/workingtree_implementations/test_set_root_id.py
 
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# Copyright (C) 2006 Canonical Ltd
 
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#
 
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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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#
 
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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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#
 
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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.symbol_versioning import zero_twelve
 
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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_None(self):
 
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        # setting the root_id to None is equivalent to setting it
 
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        # to inventory.ROOT_ID
 
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        tree = self.make_branch_and_tree('a-tree')
 
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        self.callDeprecated([
 
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            'WorkingTree.set_root_id with fileid=None was deprecated in version'
 
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            ' 0.12.'],
 
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            tree.set_root_id, None)
 
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        self.assertEqual(inventory.ROOT_ID, tree.get_root_id())
 
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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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        tree.lock_write()
 
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        try:
 
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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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        finally:
 
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            tree.unlock()
 
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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())