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Viewing changes to bzrlib/tests/test_upgrade.py

  • Committer: Martin Pool
  • Date: 2010-01-29 10:36:23 UTC
  • mto: This revision was merged to the branch mainline in revision 4992.
  • Revision ID: mbp@sourcefrog.net-20100129103623-hywka5hymo5z13jw
Change url to canonical.com or wiki, plus some doc improvements in passing

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bzrlib/tests/test_upgrade.py
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#
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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for upgrade of old trees.
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This file contains canned versions of some old trees, which are instantiated 
 
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This file contains canned versions of some old trees, which are instantiated
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and then upgraded to the new format."""
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# TODO queue for upgrade:
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class TestUpgrade(TestCaseWithTransport):
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    def test_build_tree(self):
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        """Test tree-building test helper"""
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        self.build_tree_contents(_upgrade1_template)
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            'mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd'])
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        rt = b.repository.revision_tree(rh[0])
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        foo_id = 'foo-20051004035605-91e788d1875603ae'
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        eq(rt.get_file_text(foo_id), 'initial contents\n')
 
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        rt.lock_read()
 
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        try:
 
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            eq(rt.get_file_text(foo_id), 'initial contents\n')
 
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        finally:
 
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            rt.unlock()
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        rt = b.repository.revision_tree(rh[1])
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        eq(rt.get_file_text(foo_id), 'new contents\n')
 
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        rt.lock_read()
 
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        try:
 
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            eq(rt.get_file_text(foo_id), 'new contents\n')
 
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        finally:
 
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            rt.unlock()
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        # check a backup was made:
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        transport = get_transport(b.base)
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        transport.stat('.bzr.backup')
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        transport.stat('.bzr.backup/README')
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        transport.stat('.bzr.backup/branch-format')
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        transport.stat('.bzr.backup/revision-history')
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        transport.stat('.bzr.backup/merged-patches')
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        transport.stat('.bzr.backup/pending-merged-patches')
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        transport.stat('.bzr.backup/pending-merges')
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        transport.stat('.bzr.backup/branch-name')
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        transport.stat('.bzr.backup/branch-lock')
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        transport.stat('.bzr.backup/inventory')
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        transport.stat('.bzr.backup/stat-cache')
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        transport.stat('.bzr.backup/text-store')
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        transport.stat('.bzr.backup/text-store/foo-20051004035611-1591048e9dc7c2d4.gz')
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        transport.stat('.bzr.backup/text-store/foo-20051004035756-4081373d897c3453.gz')
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        transport.stat('.bzr.backup/inventory-store/')
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        transport.stat('.bzr.backup/inventory-store/mbp@sourcefrog.net-20051004035611-176b16534b086b3c.gz')
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        transport.stat('.bzr.backup/inventory-store/mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd.gz')
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        transport.stat('.bzr.backup/revision-store/')
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        transport.stat('.bzr.backup/revision-store/mbp@sourcefrog.net-20051004035611-176b16534b086b3c.gz')
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        transport.stat('.bzr.backup/revision-store/mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd.gz')
 
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        transport.stat('backup.bzr')
 
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        transport.stat('backup.bzr/README')
 
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        transport.stat('backup.bzr/branch-format')
 
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        transport.stat('backup.bzr/revision-history')
 
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        transport.stat('backup.bzr/merged-patches')
 
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        transport.stat('backup.bzr/pending-merged-patches')
 
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        transport.stat('backup.bzr/pending-merges')
 
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        transport.stat('backup.bzr/branch-name')
 
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        transport.stat('backup.bzr/branch-lock')
 
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        transport.stat('backup.bzr/inventory')
 
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        transport.stat('backup.bzr/stat-cache')
 
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        transport.stat('backup.bzr/text-store')
 
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        transport.stat('backup.bzr/text-store/foo-20051004035611-1591048e9dc7c2d4.gz')
 
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        transport.stat('backup.bzr/text-store/foo-20051004035756-4081373d897c3453.gz')
 
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        transport.stat('backup.bzr/inventory-store/')
 
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        transport.stat('backup.bzr/inventory-store/mbp@sourcefrog.net-20051004035611-176b16534b086b3c.gz')
 
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        transport.stat('backup.bzr/inventory-store/mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd.gz')
 
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        transport.stat('backup.bzr/revision-store/')
 
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        transport.stat('backup.bzr/revision-store/mbp@sourcefrog.net-20051004035611-176b16534b086b3c.gz')
 
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        transport.stat('backup.bzr/revision-store/mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd.gz')
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    def test_upgrade_with_ghosts(self):
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        """Upgrade v0.0.4 tree containing ghost references.
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        That is, some of the parents of revisions mentioned in the branch
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        aren't present in the branch's storage. 
 
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        aren't present in the branch's storage.
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        This shouldn't normally happen in branches created entirely in 
 
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        This shouldn't normally happen in branches created entirely in
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        bzr, but can happen in branches imported from baz and arch, or from
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        other systems, where the importer knows about a revision but not 
 
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        other systems, where the importer knows about a revision but not
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        its contents."""
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        eq = self.assertEquals
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        self.build_tree_contents(_ghost_template)
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        old_repodir = bzrlib.bzrdir.BzrDir.open_unsupported('.')
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        old_repo_format = old_repodir.open_repository()._format
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        upgrade('.')
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        # this is the path to the literal file. As format changes 
 
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        # this is the path to the literal file. As format changes
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        # occur it needs to be updated. FIXME: ask the store for the
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        # path.
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        repo = bzrlib.repository.Repository.open('.')
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        # it should have changed the format
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        self.assertNotEqual(old_repo_format.__class__, repo._format.__class__)
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        # and we should be able to read the names for the file id 
 
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        # and we should be able to read the names for the file id
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        # 'dir-20051005095101-da1441ea3fa6917a'
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        self.assertNotEqual(
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            [],
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            repo.text_store.get_weave(
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                'dir-20051005095101-da1441ea3fa6917a',
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                repo.get_transaction()))
 
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        repo.lock_read()
 
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        self.addCleanup(repo.unlock)
 
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        text_keys = repo.texts.keys()
 
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        dir_keys = [key for key in text_keys if key[0] ==
 
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                'dir-20051005095101-da1441ea3fa6917a']
 
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        self.assertNotEqual([], dir_keys)
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    def test_upgrade_to_meta_sets_workingtree_last_revision(self):
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        self.build_tree_contents(_upgrade_dir_template)
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        upgrade('.', bzrdir.BzrDirFormat6())
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        transport = get_transport('.')
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        transport.delete_multi(['.bzr/pending-merges', '.bzr/inventory'])
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        assert not transport.has('.bzr/stat-cache')
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        # XXX: upgrade fails if a .bzr.backup is already present
 
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        self.assertFalse(transport.has('.bzr/stat-cache'))
 
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        # XXX: upgrade fails if a backup.bzr is already present
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        # -- David Allouche 2006-08-11
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        transport.delete_tree('.bzr.backup')
 
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        transport.delete_tree('backup.bzr')
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        # At this point, we have a format6 branch without checkout files.
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        upgrade('.', bzrdir.BzrDirMetaFormat1())
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        # The upgrade should not have set up a working tree.
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           ['mbp@sourcefrog.net-20051004035611-176b16534b086b3c',
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            'mbp@sourcefrog.net-20051004035756-235f2b7dcdddd8dd'])
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    def test_upgrade_rich_root(self):
 
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        tree = self.make_branch_and_tree('tree', format='rich-root')
 
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        rev_id = tree.commit('first post')
 
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        upgrade('tree')
 
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    def test_convert_branch5_branch6(self):
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        branch = self.make_branch('branch', format='knit')
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        branch.set_revision_history(['AB', 'CD'])
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        branch2 = _mod_branch.Branch.open(self.get_url('branch'))
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        self.assertIs(branch2.__class__, _mod_branch.BzrBranch6)
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    def test_convert_branch7_branch8(self):
 
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        branch = self.make_branch('branch', format='1.9')
 
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        target = bzrdir.format_registry.make_bzrdir('1.9')
 
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        target.set_branch_format(_mod_branch.BzrBranchFormat8())
 
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        converter = branch.bzrdir._format.get_converter(target)
 
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        converter.convert(branch.bzrdir, progress.DummyProgress())
 
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        branch = _mod_branch.Branch.open(self.get_url('branch'))
 
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        self.assertIs(branch.__class__, _mod_branch.BzrBranch8)
 
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        self.assertEqual({}, branch._get_all_reference_info())
 
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    def test_convert_knit_dirstate_empty(self):
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        # test that asking for an upgrade from knit to dirstate works.
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        tree = self.make_branch_and_tree('tree', format='knit')
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        converter.convert(tree.bzrdir, progress.DummyProgress())
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        new_tree = workingtree.WorkingTree.open('tree')
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        self.assertIs(new_tree.__class__, workingtree_4.WorkingTree4)
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        self.assertEqual(None, new_tree.last_revision())
 
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        self.assertEqual('null:', new_tree.last_revision())
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    def test_convert_knit_dirstate_content(self):
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        # smoke test for dirstate conversion: we call dirstate primitives,
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        converter.convert(tree.bzrdir, progress.DummyProgress())
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        new_tree = workingtree.WorkingTree.open('tree')
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        self.assertIs(new_tree.__class__, workingtree_4.WorkingTree4)
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        self.assertEqual(None, new_tree.last_revision())
 
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        self.assertEqual('null:', new_tree.last_revision())
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    def test_convert_knit_one_parent_dirstate(self):
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        # test that asking for an upgrade from knit to dirstate works.
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     ('foo', 'new contents\n'),
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     ('.bzr/',),
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     ('.bzr/README',
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      'This is a Bazaar-NG control directory.\nDo not change any files in this directory.\n'),
 
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      'This is a Bazaar control directory.\n'
 
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      'Do not change any files in this directory.\n'
 
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      'See http://bazaar-vcs.org/ for more information about Bazaar.\n'),
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     ('.bzr/branch-format', 'Bazaar-NG branch, format 0.0.4\n'),
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     ('.bzr/revision-history',
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      'mbp@sourcefrog.net-20051004035611-176b16534b086b3c\n'
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    ),
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    ( './.bzr/', ),
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    ( './.bzr/README',
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        'This is a Bazaar-NG control directory.\n'
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        'Do not change any files in this directory.\n'
 
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      'This is a Bazaar control directory.\n'
 
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      'Do not change any files in this directory.\n'
 
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      'See http://bazaar-vcs.org/ for more information about Bazaar.\n'
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    ),
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    ( './.bzr/branch-format',
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        'Bazaar-NG branch, format 0.0.4\n'
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_upgrade_dir_template = [
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    ( './.bzr/', ),
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    ( './.bzr/README',
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        'This is a Bazaar-NG control directory.\n'
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        'Do not change any files in this directory.\n'
 
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      'This is a Bazaar control directory.\n'
 
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      'Do not change any files in this directory.\n'
 
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      'See http://bazaar-vcs.org/ for more information about Bazaar.\n'
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    ),
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    ( './.bzr/branch-format',
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        'Bazaar-NG branch, format 0.0.4\n'