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# Copyright (C) 2005-2011 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from bzrlib.errors import (
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InvalidLineInBugsProperty,
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from bzrlib.revision import NULL_REVISION
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from bzrlib.tests import TestCase, TestCaseWithTransport
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from bzrlib.tests.matchers import MatchesAncestry
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# We're allowed to test deprecated interfaces
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warnings.filterwarnings('ignore',
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'.*get_intervening_revisions was deprecated',
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r'bzrlib\.tests\.test_revision')
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# XXX: Make this a method of a merge base case
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def make_branches(self, format=None):
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"""Create two branches
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branch 1 has 6 commits, branch 2 has 3 commits
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commit 10 is a ghosted merge merge from branch 1
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so A is missing b6 at the start
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and B is missing a3, a4, a5
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tree1 = self.make_branch_and_tree("branch1", format=format)
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tree1.commit("Commit one", rev_id="a@u-0-0")
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tree1.commit("Commit two", rev_id="a@u-0-1")
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tree1.commit("Commit three", rev_id="a@u-0-2")
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tree2 = tree1.bzrdir.sprout("branch2").open_workingtree()
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tree2.commit("Commit four", rev_id="b@u-0-3")
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tree2.commit("Commit five", rev_id="b@u-0-4")
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self.assertEquals(br2.last_revision(), 'b@u-0-4')
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tree1.merge_from_branch(br2)
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tree1.commit("Commit six", rev_id="a@u-0-3")
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tree1.commit("Commit seven", rev_id="a@u-0-4")
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tree2.commit("Commit eight", rev_id="b@u-0-5")
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self.assertEquals(br2.last_revision(), 'b@u-0-5')
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tree1.merge_from_branch(br2)
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tree1.commit("Commit nine", rev_id="a@u-0-5")
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# DO NOT MERGE HERE - we WANT a GHOST.
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graph = br1.repository.get_graph()
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revhistory = list(graph.iter_lefthand_ancestry(br1.last_revision(),
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[revision.NULL_REVISION]))
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tree2.add_parent_tree_id(revhistory[4])
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tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
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class TestIsAncestor(TestCaseWithTransport):
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def test_recorded_ancestry(self):
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"""Test that commit records all ancestors"""
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br1, br2 = make_branches(self)
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d = [('a@u-0-0', ['a@u-0-0']),
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('a@u-0-1', ['a@u-0-0', 'a@u-0-1']),
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('a@u-0-2', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2']),
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('b@u-0-3', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3']),
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('b@u-0-4', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3',
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('a@u-0-3', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
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('a@u-0-4', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
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'a@u-0-3', 'a@u-0-4']),
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('b@u-0-5', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
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('a@u-0-5', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
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'b@u-0-3', 'b@u-0-4',
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'b@u-0-5', 'a@u-0-5']),
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('b@u-0-6', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'a@u-0-4',
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'b@u-0-3', 'b@u-0-4',
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'b@u-0-5', 'b@u-0-6']),
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br1_only = ('a@u-0-3', 'a@u-0-4', 'a@u-0-5')
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br2_only = ('b@u-0-6',)
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for branch in br1, br2:
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for rev_id, anc in d:
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if rev_id in br1_only and not branch is br1:
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if rev_id in br2_only and not branch is br2:
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MatchesAncestry(branch.repository, rev_id))
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class TestIntermediateRevisions(TestCaseWithTransport):
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TestCaseWithTransport.setUp(self)
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self.br1, self.br2 = make_branches(self)
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wt1 = self.br1.bzrdir.open_workingtree()
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wt2 = self.br2.bzrdir.open_workingtree()
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wt2.commit("Commit eleven", rev_id="b@u-0-7")
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wt2.commit("Commit twelve", rev_id="b@u-0-8")
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wt2.commit("Commit thirtteen", rev_id="b@u-0-9")
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wt1.merge_from_branch(self.br2)
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wt1.commit("Commit fourtten", rev_id="a@u-0-6")
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wt2.merge_from_branch(self.br1)
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wt2.commit("Commit fifteen", rev_id="b@u-0-10")
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class MockRevisionSource(object):
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"""A RevisionSource that takes a pregenerated graph.
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This is useful for testing revision graph algorithms where
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the actual branch existing is irrelevant.
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def __init__(self, full_graph):
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self._full_graph = full_graph
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def get_revision_graph_with_ghosts(self, revision_ids):
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# This is mocked out to just return a constant graph.
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return self._full_graph
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class TestCommonAncestor(TestCaseWithTransport):
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"""Test checking whether a revision is an ancestor of another revision"""
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def test_get_history(self):
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# TODO: test ghosts on the left hand branch's impact
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# TODO: test ghosts on all parents, we should get some
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# indicator. i.e. NULL_REVISION
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tree = self.make_branch_and_tree('.')
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tree.commit('1', rev_id = '1', allow_pointless=True)
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tree.commit('2', rev_id = '2', allow_pointless=True)
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tree.commit('3', rev_id = '3', allow_pointless=True)
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rev = tree.branch.repository.get_revision('1')
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history = rev.get_history(tree.branch.repository)
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self.assertEqual([None, '1'], history)
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rev = tree.branch.repository.get_revision('2')
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history = rev.get_history(tree.branch.repository)
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self.assertEqual([None, '1', '2'], history)
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rev = tree.branch.repository.get_revision('3')
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history = rev.get_history(tree.branch.repository)
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self.assertEqual([None, '1', '2' ,'3'], history)
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class TestReservedId(TestCase):
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def test_is_reserved_id(self):
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self.assertEqual(True, revision.is_reserved_id(NULL_REVISION))
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self.assertEqual(True, revision.is_reserved_id(
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revision.CURRENT_REVISION))
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self.assertEqual(True, revision.is_reserved_id('arch:'))
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self.assertEqual(False, revision.is_reserved_id('null'))
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self.assertEqual(False, revision.is_reserved_id(
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'arch:a@example.com/c--b--v--r'))
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self.assertEqual(False, revision.is_reserved_id(None))
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class TestRevisionMethods(TestCase):
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def test_get_summary(self):
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r = revision.Revision('1')
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self.assertEqual('a', r.get_summary())
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self.assertEqual('a', r.get_summary())
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self.assertEqual('a', r.get_summary())
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self.assertEqual('', r.get_summary())
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def test_get_apparent_authors(self):
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r = revision.Revision('1')
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self.assertEqual(['A'], r.get_apparent_authors())
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r.properties['author'] = 'B'
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self.assertEqual(['B'], r.get_apparent_authors())
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r.properties['authors'] = 'C\nD'
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self.assertEqual(['C', 'D'], r.get_apparent_authors())
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def test_get_apparent_authors_no_committer(self):
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r = revision.Revision('1')
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self.assertEqual([], r.get_apparent_authors())
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class TestRevisionBugs(TestCase):
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"""Tests for getting the bugs that a revision is linked to."""
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def test_no_bugs(self):
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r = revision.Revision('1')
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self.assertEqual([], list(r.iter_bugs()))
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def test_some_bugs(self):
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r = revision.Revision(
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'bugs': bugtracker.encode_fixes_bug_urls(
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['http://example.com/bugs/1',
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'http://launchpad.net/bugs/1234'])})
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[('http://example.com/bugs/1', bugtracker.FIXED),
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('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
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def test_no_status(self):
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r = revision.Revision(
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'1', properties={'bugs': 'http://example.com/bugs/1'})
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self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
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def test_too_much_information(self):
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r = revision.Revision(
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'1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
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self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
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def test_invalid_status(self):
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r = revision.Revision(
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'1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
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self.assertRaises(InvalidBugStatus, list, r.iter_bugs())