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tests/test_git_remote_helper.py
 
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#!/usr/bin/env python
 
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# vim: expandtab
 
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# Copyright (C) 2011 Jelmer Vernooij <jelmer@apache.org>
 
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from cStringIO import StringIO
 
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import os
 
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from dulwich.repo import Repo
 
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from ....tests import (
 
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    TestCaseWithTransport,
 
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    TestSkipped,
 
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    )
 
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from ..object_store import get_object_store
 
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from ..git_remote_helper import (
 
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    RemoteHelper,
 
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    open_local_dir,
 
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    fastexporter,
 
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    fetch,
 
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    )
 
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def map_to_git_sha1(dir, bzr_revid):
 
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    object_store = get_object_store(dir.open_repository())
 
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    object_store.lock_read()
 
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    try:
 
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        return object_store._lookup_revision_sha1(bzr_revid)
 
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    finally:
 
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        object_store.unlock()
 
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class OpenLocalDirTests(TestCaseWithTransport):
 
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    def test_from_env(self):
 
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        self.make_branch_and_tree('bla', format='git')
 
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        self.overrideEnv('GIT_DIR', os.path.join(self.test_dir, 'bla'))
 
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        open_local_dir()
 
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    def test_from_env_dir(self):
 
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        self.make_branch_and_tree('bla', format='git')
 
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        self.overrideEnv('GIT_DIR', os.path.join(self.test_dir, 'bla', '.git'))
 
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        open_local_dir()
 
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    def test_from_dir(self):
 
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        self.make_branch_and_tree('.', format='git')
 
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        open_local_dir()
 
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class FetchTests(TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(FetchTests, self).setUp()
 
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        self.local_dir = self.make_branch_and_tree('local', format='git').controldir
 
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        self.remote_tree = self.make_branch_and_tree('remote')
 
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        self.remote_dir = self.remote_tree.controldir
 
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        self.shortname = 'bzr'
 
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    def fetch(self, wants):
 
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        outf = StringIO()
 
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        fetch(outf, wants, self.shortname, self.remote_dir, self.local_dir)
 
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        return outf.getvalue()
 
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    def test_no_wants(self):
 
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        r = self.fetch([])
 
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        self.assertEquals("\n", r)
 
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    def test_simple(self):
 
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        self.build_tree(['remote/foo'])
 
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        self.remote_tree.add("foo")
 
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        revid = self.remote_tree.commit("msg")
 
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        git_sha1 = map_to_git_sha1(self.remote_dir, revid)
 
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        out = self.fetch([(git_sha1, 'HEAD')])
 
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        self.assertEquals(out, "\n")
 
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        r = Repo('local')
 
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        self.assertTrue(git_sha1 in r.object_store)
 
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        self.assertEquals({'HEAD': '0000000000000000000000000000000000000000'}, r.get_refs())
 
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class RemoteHelperTests(TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(RemoteHelperTests, self).setUp()
 
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        self.local_dir = self.make_branch_and_tree('local', format='git').controldir
 
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        self.remote_tree = self.make_branch_and_tree('remote')
 
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        self.remote_dir = self.remote_tree.controldir
 
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        self.shortname = 'bzr'
 
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        self.helper = RemoteHelper(self.local_dir, self.shortname, self.remote_dir)
 
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    def test_capabilities(self):
 
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        f = StringIO()
 
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        self.helper.cmd_capabilities(f, [])
 
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        capabs = f.getvalue()
 
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        base = "fetch\noption\npush\n"
 
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        self.assertTrue(capabs in (base+"\n", base+"import\n\n"), capabs)
 
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    def test_option(self):
 
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        f = StringIO()
 
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        self.helper.cmd_option(f, [])
 
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        self.assertEquals("unsupported\n", f.getvalue())
 
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    def test_list_basic(self):
 
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        f = StringIO()
 
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        self.helper.cmd_list(f, [])
 
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        self.assertEquals(
 
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            '0000000000000000000000000000000000000000 HEAD\n\n',
 
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            f.getvalue())
 
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    def test_import(self):
 
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        if fastexporter is None:
 
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            raise TestSkipped("bzr-fastimport not available")
 
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        self.build_tree_contents([("remote/afile", "somecontent")])
 
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        self.remote_tree.add(["afile"])
 
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        self.remote_tree.commit("A commit message", timestamp=1330445983,
 
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            timezone=0, committer='Somebody <jrandom@example.com>')
 
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        f = StringIO()
 
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        self.helper.cmd_import(f, ["import", "refs/heads/master"])
 
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        self.assertEquals(
 
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            'commit refs/heads/master\n'
 
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            'mark :1\n'
 
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            'committer Somebody <jrandom@example.com> 1330445983 +0000\n'
 
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            'data 16\n'
 
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            'A commit message\n'
 
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            'M 644 inline afile\n'
 
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            'data 11\n'
 
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            'somecontent\n',
 
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            f.getvalue())