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Viewing changes to bzrlib/selftest/testrevision.py

  • Committer: Robert Collins
  • Date: 2005-09-27 07:24:40 UTC
  • mfrom: (1185.1.41)
  • Revision ID: robertc@robertcollins.net-20050927072440-1bf4d99c3e1db5b3
pair programming worx... merge integration and weave

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bzrlib/selftest/testrevision.py
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from bzrlib.branch import Branch
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from bzrlib.commit import commit
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from bzrlib.fetch import fetch
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from bzrlib.revision import (find_present_ancestors, common_ancestor,
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                             is_ancestor)
 
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from bzrlib.revision import (find_present_ancestors, combined_graph,
 
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                             is_ancestor, MultipleRevisionSources)
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from bzrlib.trace import mutter
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from bzrlib.errors import NoSuchRevision
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def make_branches():
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    os.mkdir("branch1")
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    br1 = Branch("branch1", init=True)
 
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    br1 = Branch.initialize("branch1")
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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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    os.mkdir("branch2")
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    br2 = Branch("branch2", init=True)
 
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    br2 = Branch.initialize("branch2")
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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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                mutter('ancestry of {%s}: %r',
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                       rev_id, branch.get_ancestry(rev_id))
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                self.assertEquals(sorted(branch.get_ancestry(rev_id)),
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                                  sorted(anc))
 
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                                  [None] + sorted(anc))
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    def test_is_ancestor(self):
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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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        # disabled mbp 20050914, doesn't seem to happen anymore
 
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        # disabled mbp 20050914, doesn't seem to happen anymore
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        ## self.assertRaises(NoSuchRevision, is_ancestor, revisions_2[3],
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        ##                  revisions[0], br1)        
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        assert is_ancestor(revisions[3], revisions_2[4], sources)
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        self.br2.commit("Commit twelve", rev_id="b@u-0-8")
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        self.br2.commit("Commit thirtteen", rev_id="b@u-0-9")
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        fetch(from_branch=self.br2, to_branch=self.br1)
 
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        fetch(from_branch=self.br2, to_branch=self.br1)
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        self.br1.add_pending_merge(self.br2.revision_history()[6])
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        self.br1.commit("Commit fourtten", rev_id="a@u-0-6")
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        fetch(from_branch=self.br1, to_branch=self.br2)
 
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        fetch(from_branch=self.br1, to_branch=self.br2)
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        self.br2.add_pending_merge(self.br1.revision_history()[6])
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        self.br2.commit("Commit fifteen", rev_id="b@u-0-10")
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class TestCommonAncestor(TestCaseInTempDir):
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    """Test checking whether a revision is an ancestor of another revision"""
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    def test_old_common_ancestor(self):
 
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        """Pick a resonable merge base using the old functionality"""
 
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        from bzrlib.revision import old_common_ancestor as common_ancestor
 
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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 = br1
 
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        expected_ancestors_list = {revisions[3]:(0, 0), 
 
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                                   revisions[2]:(1, 1),
 
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                                   revisions_2[4]:(2, 1), 
 
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                                   revisions[1]:(3, 2),
 
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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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                                                    value))
 
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        self.assertEqual(common_ancestor(revisions[0], revisions[0], sources),
 
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                          revisions[0])
 
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        self.assertEqual(common_ancestor(revisions[1], revisions[2], sources),
 
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                          revisions[1])
 
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        self.assertEqual(common_ancestor(revisions[1], revisions[1], sources),
 
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                          revisions[1])
 
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        self.assertEqual(common_ancestor(revisions[2], revisions_2[4], sources),
 
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                          revisions[2])
 
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        self.assertEqual(common_ancestor(revisions[3], revisions_2[4], sources),
 
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                          revisions_2[4])
 
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        self.assertEqual(common_ancestor(revisions[4], revisions_2[5], sources),
 
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                          revisions_2[4])
 
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        self.assertEqual(common_ancestor(revisions[5], revisions_2[6], sources),
 
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                          revisions[4])
 
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        self.assertEqual(common_ancestor(revisions_2[6], revisions[5], sources),
 
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                          revisions_2[5])
 
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    def test_common_ancestor(self):
 
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        """Pick a reasonable merge base"""
 
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        from bzrlib.revision import common_ancestor
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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 = br1
 
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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]:(1, 1),
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        self.assertEqual(common_ancestor(revisions[5], revisions_2[6], sources),
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                          revisions[4])
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        self.assertEqual(common_ancestor(revisions_2[6], revisions[5], sources),
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                          revisions_2[5])
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if __name__ == '__main__':
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    import unittest, sys
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    unittest.main()
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                          revisions[4])
 
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    def test_combined(self):
 
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        """combined_graph
 
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        Ensure it's not order-sensitive
 
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        """
 
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        br1, br2 = make_branches()
 
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        source = MultipleRevisionSources(br1, br2)
 
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        combined_1 = combined_graph(br1.last_revision(), 
 
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                                    br2.last_revision(), source)
 
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        combined_2 = combined_graph(br2.last_revision(),
 
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                                    br1.last_revision(), source)
 
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        assert combined_1[1] == combined_2[1]
 
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        assert combined_1[2] == combined_2[2]
 
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        assert combined_1[3] == combined_2[3]
 
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        assert combined_1 == combined_2