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Viewing changes to bzrlib/tests/per_repository/test_add_inventory_by_delta.py

  • Committer: thitipong at ndrsolution
  • Date: 2011-11-14 06:31:02 UTC
  • Revision ID: thitipong@ndrsolution.com-20111114063102-9obte3yfi2azku7d
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bzrlib/tests/per_repository/test_add_inventory_by_delta.py
 
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# Copyright (C) 2008 Canonical Ltd
 
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#
 
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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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#
 
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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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#
 
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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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"""Tests for Repository.add_inventory_by_delta."""
 
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from bzrlib import errors, revision
 
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from bzrlib.tests.per_repository import TestCaseWithRepository
 
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class TestAddInventoryByDelta(TestCaseWithRepository):
 
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    def _get_repo_in_write_group(self, path='repository'):
 
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        repo = self.make_repository(path)
 
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        repo.lock_write()
 
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        self.addCleanup(repo.unlock)
 
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        repo.start_write_group()
 
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        return repo
 
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    def test_basis_missing_errors(self):
 
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        repo = self._get_repo_in_write_group()
 
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        try:
 
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            self.assertRaises(errors.NoSuchRevision,
 
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                repo.add_inventory_by_delta, "missing-revision", [],
 
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                "new-revision", ["missing-revision"])
 
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        finally:
 
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            repo.abort_write_group()
 
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    def test_not_in_write_group_errors(self):
 
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        repo = self.make_repository('repository')
 
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        repo.lock_write()
 
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        self.addCleanup(repo.unlock)
 
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        self.assertRaises(AssertionError, repo.add_inventory_by_delta,
 
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            "missing-revision", [], "new-revision", ["missing-revision"])
 
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    def make_inv_delta(self, old, new):
 
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        """Make an inventory delta from two inventories."""
 
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        by_id = getattr(old, '_byid', None)
 
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        if by_id is None:
 
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            old_ids = set(entry.file_id for entry in old.iter_just_entries())
 
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        else:
 
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            old_ids = set(by_id)
 
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        by_id = getattr(new, '_byid', None)
 
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        if by_id is None:
 
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            new_ids = set(entry.file_id for entry in new.iter_just_entries())
 
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        else:
 
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            new_ids = set(by_id)
 
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        adds = new_ids - old_ids
 
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        deletes = old_ids - new_ids
 
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        common = old_ids.intersection(new_ids)
 
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        delta = []
 
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        for file_id in deletes:
 
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            delta.append((old.id2path(file_id), None, file_id, None))
 
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        for file_id in adds:
 
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            delta.append((None, new.id2path(file_id), file_id, new[file_id]))
 
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        for file_id in common:
 
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            if old[file_id] != new[file_id]:
 
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                delta.append((old.id2path(file_id), new.id2path(file_id),
 
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                    file_id, new[file_id]))
 
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        return delta
 
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    def test_same_validator(self):
 
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        # Adding an inventory via delta or direct results in the same
 
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        # validator.
 
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        tree = self.make_branch_and_tree('tree')
 
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        revid = tree.commit("empty post")
 
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        # tree.basis_tree() always uses a plain Inventory from the dirstate, we
 
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        # want the same format inventory as we have in the repository
 
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        revtree = tree.branch.repository.revision_tree(
 
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                    tree.branch.last_revision())
 
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        tree.basis_tree()
 
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        revtree.lock_read()
 
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        self.addCleanup(revtree.unlock)
 
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        new_inv = revtree.inventory
 
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        delta = self.make_inv_delta(
 
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            tree.branch.repository.revision_tree(revision.NULL_REVISION).inventory,
 
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            new_inv)
 
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        repo_direct = self._get_repo_in_write_group('direct')
 
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        add_validator = repo_direct.add_inventory(revid, new_inv, [])
 
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        repo_direct.commit_write_group()
 
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        repo_delta = self._get_repo_in_write_group('delta')
 
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        try:
 
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            delta_validator, inv = repo_delta.add_inventory_by_delta(
 
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                revision.NULL_REVISION, delta, revid, [])
 
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        except:
 
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            repo_delta.abort_write_group()
 
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            raise
 
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        else:
 
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            repo_delta.commit_write_group()
 
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        self.assertEqual(add_validator, delta_validator)
 
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        self.assertEqual(new_inv, inv)