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  • Committer: Bazaar Package Importer
  • Author(s): Jelmer Vernooij
  • Date: 2009-03-10 14:11:59 UTC
  • mfrom: (1.2.1 upstream) (3.1.68 jaunty)
  • Revision ID: james.westby@ubuntu.com-20090310141159-lwzzo5c1fwrtzgj4
New upstream release.

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bzrlib/tests/per_repository/test_get_parent_map.py
 
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# Copyright (C) 2008 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 the get_parent_map API."""
 
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from bzrlib import revision
 
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from bzrlib.tests.per_repository import TestCaseWithRepository
 
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class TestGetParentMap(TestCaseWithRepository):
 
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    def test_missing_revision(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        repo = tree.branch.repository
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertEqual({}, repo.get_parent_map(['non-existant']))
 
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    def test_multiple_parents(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        rev1 = tree.commit('first')
 
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        rev2 = tree.commit('second')
 
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        tree.set_parent_ids([rev1, rev2])
 
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        tree.branch.set_last_revision_info(1, rev1)
 
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        rev3 = tree.commit('third')
 
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        repo = tree.branch.repository
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertEqual({rev3:(rev1, rev2)},
 
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                         repo.get_parent_map([rev3]))
 
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        self.assertEqual({rev1:(revision.NULL_REVISION,),
 
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                          rev2:(rev1,),
 
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                          rev3:(rev1, rev2),
 
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                         }, repo.get_parent_map([rev1, rev2, rev3]))
 
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    def test_no_parents(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        rev1 = tree.commit('first')
 
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        repo = tree.branch.repository
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertEqual({rev1:(revision.NULL_REVISION,)},
 
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                         repo.get_parent_map([rev1]))
 
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    def test_none(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        rev1 = tree.commit('first')
 
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        repo = tree.branch.repository
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertRaises(ValueError,
 
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                          repo.get_parent_map, [None])
 
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    def test_null_revision(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        repo = tree.branch.repository
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertEqual({revision.NULL_REVISION:()},
 
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                         repo.get_parent_map([revision.NULL_REVISION]))