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# Copyright (C) 2006 Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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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 the RevisionTree class."""
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from bzrlib.tests import TestCaseWithTransport
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class TestTreeWithCommits(TestCaseWithTransport):
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super(TestTreeWithCommits, self).setUp()
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self.t = self.make_branch_and_tree('.')
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self.rev_id = self.t.commit('foo', allow_pointless=True)
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self.rev_tree = self.t.branch.repository.revision_tree(self.rev_id)
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def test_empty_no_unknowns(self):
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self.assertEqual([], list(self.rev_tree.unknowns()))
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def test_no_conflicts(self):
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self.assertEqual([], list(self.rev_tree.conflicts()))
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def test_parents(self):
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"""RevisionTree.parent_ids should match the revision graph."""
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# XXX: TODO: Should this be a repository_implementation test ?
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# at the end of the graph, we get []
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self.assertEqual([], self.rev_tree.get_parent_ids())
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# do a commit to look further up
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revid_2 = self.t.commit('bar', allow_pointless=True)
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self.t.branch.repository.revision_tree(revid_2).get_parent_ids())
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# TODO commit a merge and check it is reported correctly.
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# the parents for a revision_tree(None) are []:
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self.t.branch.repository.revision_tree(None).get_parent_ids())
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def test_empty_no_root(self):
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null_tree = self.t.branch.repository.revision_tree(
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revision.NULL_REVISION)
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self.assertIs(None, null_tree.inventory.root)