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Viewing changes to bzrlib/tests/test_repository.py

  • Committer: Martin Pool
  • Date: 2008-08-04 07:55:41 UTC
  • mto: This revision was merged to the branch mainline in revision 3605.
  • Revision ID: mbp@sourcefrog.net-20080804075541-jka7smxkix7ozvb1
Make tests for stacked upgrade scenario-based

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bzrlib/tests/test_repository.py
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        inter_repo.fetch('rev-3', pb)
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        self.assertEqual(2, pb.last_cnt)
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        self.assertEqual(2, pb.last_total)
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class TestStackUpgrade(TestCaseWithTransport):
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    # TODO: This should possibly be repeated for all stacking repositories,
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    # pairwise by rich/non-rich format; should possibly also try other kinds
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    # of upgrades like knit->pack. -- mbp 20080804
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    def test_stack_upgrade(self):
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        """Correct checks when stacked-on repository is upgraded.
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        We initially stack on a repo with the same rich root support, 
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        we then upgrade it and should fail, we then upgrade the overlaid 
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        repository.
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        """
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        base = self.make_branch_and_tree('base', format='1.6')
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        self.build_tree(['base/foo'])
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        base.commit('base commit')
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        # make another one stacked
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        stacked = base.bzrdir.sprout('stacked', stacked=True)
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        # you can't stack on something with incompatible data
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        from bzrlib.upgrade import upgrade
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        new_format = bzrdir.format_registry.make_bzrdir('1.6-rich-root')
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        upgrade('base', new_format)
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        stacked = bzrdir.BzrDir.open('stacked')
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        self.assertRaises(errors.IncompatibleRepositories,
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            stacked.open_branch)
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        # but we can upgrade the stacked repository
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        upgrade('stacked', new_format)
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        # and now it's ok
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        stacked = bzrdir.BzrDir.open('stacked')
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        stacked.open_branch().check()