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# (C) 2005 Canonical Ltd
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# Copyright (C) 2005 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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from bzrlib.selftest import TestCaseInTempDir
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from bzrlib.branch import Branch
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from bzrlib.commit import commit
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br1 = Branch("branch1", init=True)
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commit(br1, "Commit one", rev_id="a@u-0-0")
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commit(br1, "Commit two", rev_id="a@u-0-1")
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commit(br1, "Commit three", rev_id="a@u-0-2")
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br2 = Branch("branch2", init=True)
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br2.update_revisions(br1)
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commit(br2, "Commit four", rev_id="b@u-0-3")
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commit(br2, "Commit five", rev_id="b@u-0-4")
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from bzrlib.branch import Branch
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from bzrlib.errors import (
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InvalidLineInBugsProperty,
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from bzrlib.deprecated_graph import Graph
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from bzrlib.revision import (find_present_ancestors,
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from bzrlib.tests import TestCase, TestCaseWithTransport
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from bzrlib.trace import mutter
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from bzrlib.workingtree import WorkingTree
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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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revisions_2 = br2.revision_history()
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br1.add_pending_merge(revisions_2[4])
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commit(br1, "Commit six", rev_id="a@u-0-3")
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commit(br1, "Commit seven", rev_id="a@u-0-4")
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commit(br2, "Commit eight", rev_id="b@u-0-5")
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br1.add_pending_merge(br2.revision_history()[5])
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commit(br1, "Commit nine", rev_id="a@u-0-5")
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br2.add_pending_merge(br1.revision_history()[4])
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commit(br2, "Commit ten", rev_id="b@u-0-6")
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self.assertEquals(revisions_2[-1], '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.revision_history()[-1], '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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tree2.add_parent_tree_id(br1.revision_history()[4])
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tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
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class TestIsAncestor(TestCaseInTempDir):
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def test_is_ancestor(self):
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"""Test checking whether a revision is an ancestor of another revision"""
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from bzrlib.revision import is_ancestor, MultipleRevisionSources
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from bzrlib.errors import NoSuchRevision
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br1, br2 = make_branches()
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revisions = br1.revision_history()
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revisions_2 = br2.revision_history()
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sources = MultipleRevisionSources(br1, br2)
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assert is_ancestor(revisions[0], revisions[0], sources)
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assert is_ancestor(revisions[1], revisions[0], sources)
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assert not is_ancestor(revisions[0], revisions[1], sources)
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assert is_ancestor(revisions_2[3], revisions[0], sources)
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self.assertRaises(NoSuchRevision, is_ancestor, revisions_2[3],
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assert is_ancestor(revisions[3], revisions_2[4], sources)
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assert is_ancestor(revisions[3], revisions_2[4], br1)
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assert is_ancestor(revisions[3], revisions_2[3], sources)
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assert not is_ancestor(revisions[3], revisions_2[3], br1)
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class TestIntermediateRevisions(TestCaseInTempDir):
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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',
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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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mutter('ancestry of {%s}: %r',
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rev_id, branch.repository.get_ancestry(rev_id))
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result = sorted(branch.repository.get_ancestry(rev_id))
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self.assertEquals(result, [None] + sorted(anc))
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class TestIntermediateRevisions(TestCaseWithTransport):
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from bzrlib.commit import commit
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TestCaseInTempDir.setUp(self)
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self.br1, self.br2 = make_branches()
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commit(self.br2, "Commit eleven", rev_id="b@u-0-7")
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commit(self.br2, "Commit twelve", rev_id="b@u-0-8")
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commit(self.br2, "Commit thirtteen", rev_id="b@u-0-9")
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self.br1.add_pending_merge(self.br2.revision_history()[6])
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commit(self.br1, "Commit fourtten", rev_id="a@u-0-6")
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self.br2.add_pending_merge(self.br1.revision_history()[6])
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commit(self.br2, "Commit fifteen", rev_id="b@u-0-10")
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from bzrlib.revision import MultipleRevisionSources
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self.sources = MultipleRevisionSources(self.br1, self.br2)
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def intervene(self, ancestor, revision, revision_history=None):
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from bzrlib.revision import get_intervening_revisions
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return get_intervening_revisions(ancestor,revision, self.sources,
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def test_intervene(self):
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"""Find intermediate revisions, without requiring history"""
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from bzrlib.errors import NotAncestor, NoSuchRevision
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assert len(self.intervene('a@u-0-0', 'a@u-0-0')) == 0
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self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-1'), ['a@u-0-1'])
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self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-2'),
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['a@u-0-1', 'a@u-0-2'])
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self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-3'),
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['a@u-0-1', 'a@u-0-2', 'b@u-0-3'])
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self.assertEqual(self.intervene('b@u-0-3', 'a@u-0-3'),
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['b@u-0-4', 'a@u-0-3'])
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self.assertEqual(self.intervene('a@u-0-2', 'a@u-0-3',
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self.br1.revision_history()),
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self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-5',
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self.br1.revision_history()),
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['a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
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self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-6',
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self.br1.revision_history()),
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['a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
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self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-5'),
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['a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
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self.assertEqual(self.intervene('b@u-0-3', 'b@u-0-6',
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self.br2.revision_history()),
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['b@u-0-4', 'b@u-0-5', 'b@u-0-6'])
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self.assertEqual(self.intervene('b@u-0-6', 'b@u-0-10'),
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['b@u-0-7', 'b@u-0-8', 'b@u-0-9', 'b@u-0-10'])
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self.assertEqual(self.intervene('b@u-0-6', 'b@u-0-10',
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self.br2.revision_history()),
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['b@u-0-7', 'b@u-0-8', 'b@u-0-9', 'b@u-0-10'])
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self.assertRaises(NotAncestor, self.intervene, 'b@u-0-10', 'b@u-0-6',
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self.br2.revision_history())
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self.assertRaises(NoSuchRevision, self.intervene, 'c@u-0-10',
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'b@u-0-6', self.br2.revision_history())
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self.assertRaises(NoSuchRevision, self.intervene, 'b@u-0-10',
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'c@u-0-6', self.br2.revision_history())
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class TestCommonAncestor(TestCaseInTempDir):
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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_common_ancestor(self):
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from bzrlib.revision import find_present_ancestors, common_ancestor
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from bzrlib.revision import MultipleRevisionSources
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br1, br2 = make_branches()
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revisions = br1.revision_history()
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revisions_2 = br2.revision_history()
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sources = MultipleRevisionSources(br1, br2)
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expected_ancestors_list = {revisions[3]:(0, 0),
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revisions_2[4]:(2, 1),
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revisions_2[3]:(4, 2),
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revisions[0]:(5, 3) }
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ancestors_list = find_present_ancestors(revisions[3], sources)
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assert len(expected_ancestors_list) == len(ancestors_list)
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for key, value in expected_ancestors_list.iteritems():
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self.assertEqual(ancestors_list[key], value,
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"key %r, %r != %r" % (key, ancestors_list[key],
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self.assertEqual(common_ancestor(revisions[0], revisions[0], sources),
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self.assertEqual(common_ancestor(revisions[1], revisions[2], sources),
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self.assertEqual(common_ancestor(revisions[1], revisions[1], sources),
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self.assertEqual(common_ancestor(revisions[2], revisions_2[4], sources),
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self.assertEqual(common_ancestor(revisions[3], revisions_2[4], sources),
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self.assertEqual(common_ancestor(revisions[4], revisions_2[5], sources),
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self.assertEqual(common_ancestor(revisions[5], revisions_2[6], sources),
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self.assertEqual(common_ancestor(revisions_2[6], revisions[5], sources),
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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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def test_get_apparent_author(self):
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r = revision.Revision('1')
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author = self.applyDeprecated(
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symbol_versioning.deprecated_in((1, 13, 0)),
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r.get_apparent_author)
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self.assertEqual('A', author)
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r.properties['author'] = 'B'
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author = self.applyDeprecated(
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symbol_versioning.deprecated_in((1, 13, 0)),
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r.get_apparent_author)
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self.assertEqual('B', author)
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r.properties['authors'] = 'C\nD'
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author = self.applyDeprecated(
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symbol_versioning.deprecated_in((1, 13, 0)),
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r.get_apparent_author)
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self.assertEqual('C', author)
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def test_get_apparent_author_none(self):
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r = revision.Revision('1')
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author = self.applyDeprecated(
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symbol_versioning.deprecated_in((1, 13, 0)),
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r.get_apparent_author)
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self.assertEqual(None, author)
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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())
added
removed
bzrlib/tests/test_revision.py
