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Viewing changes to breezy/git/tests/test_push.py

  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/git/tests/test_push.py
 
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# Copyright (C) 2010-2018 Jelmer Vernooij <jelmer@jelmer.uk>
 
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# -*- coding: utf-8 -*-
 
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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 pushing revisions from Bazaar into Git."""
 
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from __future__ import absolute_import
 
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from ...controldir import (
 
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    format_registry,
 
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    )
 
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from ...repository import (
 
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    InterRepository,
 
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    )
 
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from ...tests import (
 
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    TestCaseWithTransport,
 
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    )
 
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from ..mapping import (
 
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    BzrGitMappingExperimental,
 
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    BzrGitMappingv1,
 
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    )
 
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from ..interrepo import (
 
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    InterToGitRepository,
 
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    )
 
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class InterToGitRepositoryTests(TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(InterToGitRepositoryTests, self).setUp()
 
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        self.git_repo = self.make_repository("git",
 
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                                             format=format_registry.make_controldir("git"))
 
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        self.bzr_repo = self.make_repository("bzr", shared=True)
 
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    def _get_interrepo(self, mapping=None):
 
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        self.bzr_repo.lock_read()
 
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        self.addCleanup(self.bzr_repo.unlock)
 
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        interrepo = InterRepository.get(self.bzr_repo, self.git_repo)
 
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        if mapping is not None:
 
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            interrepo.mapping = mapping
 
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        return interrepo
 
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    def test_instance(self):
 
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        self.assertIsInstance(self._get_interrepo(), InterToGitRepository)
 
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    def test_pointless_fetch_refs_old_mapping(self):
 
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        interrepo = self._get_interrepo(mapping=BzrGitMappingv1())
 
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        interrepo.fetch_refs(lambda x: {}, lossy=False)
 
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    def test_pointless_fetch_refs(self):
 
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        interrepo = self._get_interrepo(mapping=BzrGitMappingExperimental())
 
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        revidmap, old_refs, new_refs = interrepo.fetch_refs(
 
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            lambda x: {}, lossy=False)
 
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        self.assertEqual(old_refs, {b'HEAD': (
 
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            b'ref: refs/heads/master', None)})
 
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        self.assertEqual(new_refs, {})
 
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    def test_pointless_lossy_fetch_refs(self):
 
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        revidmap, old_refs, new_refs = self._get_interrepo(
 
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        ).fetch_refs(lambda x: {}, lossy=True)
 
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        self.assertEqual(old_refs, {b'HEAD': (
 
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            b'ref: refs/heads/master', None)})
 
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        self.assertEqual(new_refs, {})
 
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        self.assertEqual(revidmap, {})
 
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    def test_pointless_missing_revisions(self):
 
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        interrepo = self._get_interrepo()
 
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        interrepo.source_store.lock_read()
 
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        self.addCleanup(interrepo.source_store.unlock)
 
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        self.assertEqual([], list(interrepo.missing_revisions([])))
 
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    def test_missing_revisions_unknown_stop_rev(self):
 
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        interrepo = self._get_interrepo()
 
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        interrepo.source_store.lock_read()
 
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        self.addCleanup(interrepo.source_store.unlock)
 
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        self.assertEqual([],
 
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                         list(interrepo.missing_revisions([(None, b"unknown")])))
 
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    def test_odd_rename(self):
 
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        # Add initial revision to bzr branch.
 
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        branch = self.bzr_repo.controldir.create_branch()
 
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        tree = branch.controldir.create_workingtree()
 
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        self.build_tree(["bzr/bar/", "bzr/bar/foobar"])
 
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        tree.add(["bar", "bar/foobar"])
 
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        tree.commit("initial")
 
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        # Add new directory and perform move in bzr branch.
 
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        self.build_tree(["bzr/baz/"])
 
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        tree.add(["baz"])
 
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        tree.rename_one("bar", "baz/IrcDotNet")
 
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        last_revid = tree.commit("rename")
 
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        # Push bzr branch to git branch.
 
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        def decide(x):
 
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            return {b"refs/heads/master": (None, last_revid)}
 
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        interrepo = self._get_interrepo()
 
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        revidmap, old_refs, new_refs = interrepo.fetch_refs(decide, lossy=True)
 
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        gitid = revidmap[last_revid][0]
 
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        store = self.git_repo._git.object_store
 
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        commit = store[gitid]
 
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        tree = store[commit.tree]
 
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        tree.check()
 
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        self.assertIn(b"baz", tree, repr(tree.items()))
 
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        self.assertIn(tree[b"baz"][1], store)
 
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        baz = store[tree[b"baz"][1]]
 
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        baz.check()
 
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        ircdotnet = store[baz[b"IrcDotNet"][1]]
 
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        ircdotnet.check()
 
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        foobar = store[ircdotnet[b"foobar"][1]]
 
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        foobar.check()