/brz/remove-bazaar

# Copyright (C) 2007-2011 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Test operations that check the repository for corruption"""

from breezy import (

    errors,

    )

from breezy.tests import (

    TestNotApplicable,

    )

from breezy.tests.scenarios import load_tests_apply_scenarios

from breezy.tests.per_repository_vf import (

    TestCaseWithRepository,

    all_repository_vf_format_scenarios,

    )

from breezy.tests.per_repository_vf.helpers import (

    TestCaseWithBrokenRevisionIndex,

    )

load_tests = load_tests_apply_scenarios

class TestFindInconsistentRevisionParents(TestCaseWithBrokenRevisionIndex):

    scenarios = all_repository_vf_format_scenarios()

    def test__find_inconsistent_revision_parents(self):

        """_find_inconsistent_revision_parents finds revisions with broken

        parents.

        """

        repo = self.make_repo_with_extra_ghost_index()

        self.assertEqual(

            [('revision-id', ('incorrect-parent',), ())],

            list(repo._find_inconsistent_revision_parents()))

    def test__check_for_inconsistent_revision_parents(self):

        """_check_for_inconsistent_revision_parents raises BzrCheckError if

        there are any revisions with inconsistent parents.

        """

        repo = self.make_repo_with_extra_ghost_index()

        self.assertRaises(

            errors.BzrCheckError,

            repo._check_for_inconsistent_revision_parents)

    def test__check_for_inconsistent_revision_parents_on_clean_repo(self):

        """_check_for_inconsistent_revision_parents does nothing if there are

        no broken revisions.

        """

        repo = self.make_repository('empty-repo')

        if not repo._format.revision_graph_can_have_wrong_parents:

            raise TestNotApplicable(

                '%r cannot have corrupt revision index.' % repo)

        repo.lock_read()

        try:

            repo._check_for_inconsistent_revision_parents()  # nothing happens

        finally:

            repo.unlock()

    def test_check_reports_bad_ancestor(self):

        repo = self.make_repo_with_extra_ghost_index()

        # XXX: check requires a non-empty revision IDs list, but it ignores the

        # contents of it!

        check_object = repo.check(['ignored'])

        check_object.report_results(verbose=False)

        self.assertContainsRe(self.get_log(),

            '1 revisions have incorrect parents in the revision index')

        check_object.report_results(verbose=True)

        self.assertContainsRe(

            self.get_log(),

            "revision-id has wrong parents in index: "

            r"\('incorrect-parent',\) should be \(\)")

class TestCallbacks(TestCaseWithRepository):

    scenarios = all_repository_vf_format_scenarios()

    def test_callback_tree_and_branch(self):

        # use a real tree to get actual refs that will work

        tree = self.make_branch_and_tree('foo')

        revid = tree.commit('foo')

        tree.lock_read()

        self.addCleanup(tree.unlock)

        needed_refs = {}

        for ref in tree._get_check_refs():

            needed_refs.setdefault(ref, []).append(tree)

        for ref in tree.branch._get_check_refs():

            needed_refs.setdefault(ref, []).append(tree.branch)

        self.tree_check = tree._check

        self.branch_check = tree.branch.check

        self.overrideAttr(tree, "_check", self.tree_callback)

        self.overrideAttr(tree.branch, "check", self.branch_callback)

        self.callbacks = []

        tree.branch.repository.check([revid], callback_refs=needed_refs)

        self.assertNotEqual([], self.callbacks)

    def tree_callback(self, refs):

        self.callbacks.append(('tree', refs))

        return self.tree_check(refs)

    def branch_callback(self, refs):

        self.callbacks.append(('branch', refs))

        return self.branch_check(refs)

class TestNoSpuriousInconsistentAncestors(TestCaseWithRepository):

    scenarios = all_repository_vf_format_scenarios()

    def test_two_files_different_versions_no_inconsistencies_bug_165071(self):

        """Two files, with different versions can be clean."""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['foo'])

        tree.smart_add(['.'])

        revid1 = tree.commit('1')

        self.build_tree(['bar'])

        tree.smart_add(['.'])

        revid2 = tree.commit('2')

        check_object = tree.branch.repository.check([revid1, revid2])

        check_object.report_results(verbose=True)

        self.assertContainsRe(self.get_log(), "0 unreferenced text versions")