~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006 by 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Test read_bundle works properly across various transports."""

import cStringIO

import os

import bzrlib.bundle

from bzrlib.bundle.serializer import write_bundle

import bzrlib.bzrdir

import bzrlib.errors as errors

from bzrlib.tests import TestCaseInTempDir

from bzrlib.tests.test_transport import TestTransportImplementation

import bzrlib.transport

from bzrlib.transport.memory import MemoryTransport

import bzrlib.urlutils

class TestReadBundleFromURL(TestTransportImplementation):

    """Test that read_bundle works properly across multiple transports"""

    def get_url(self, relpath=''):

        return bzrlib.urlutils.join(self._server.get_url(), relpath)

    def create_test_bundle(self):

        # Can't use self.get_transport() because that asserts that 

        # it is not readonly, so just skip tests where the server is readonly

        self._transport = self.get_transport()

        #if isinstance(self._transport, MemoryTransport):

        #    return None

        self.build_tree(['tree/', 'tree/a', 'tree/subdir/'])

        format = bzrlib.bzrdir.BzrDirFormat.get_default_format()

        bzrdir = format.initialize('tree')

        repo = bzrdir.create_repository()

        branch = repo.bzrdir.create_branch()

        wt = branch.bzrdir.create_workingtree()

        wt.add(['a', 'subdir/'])

        wt.commit('new project', rev_id='commit-1')

        out = cStringIO.StringIO()

        rev_ids = write_bundle(wt.branch.repository,

                               wt.last_revision(), None, out)

        out.seek(0)

        if self._transport.is_readonly():

            f = open('test_bundle', 'wb')

            f.write(out.getvalue())

            f.close()

        else:

            self._transport.put_file('test_bundle', out)

            self.log('Put to: %s', self.get_url('test_bundle'))

        return wt

    def test_read_bundle_from_url(self):

        wt = self.create_test_bundle()

        if wt is None:

            return

        info = bzrlib.bundle.read_bundle_from_url(

                    self.get_url('test_bundle'))

        bundle_tree = info.revision_tree(wt.branch.repository, info.target)

        self.assertEqual('commit-1', bundle_tree.revision_id)

    def test_read_fail(self):

        # Trying to read from a directory, or non-bundle file

        # should fail with NotABundle

        wt = self.create_test_bundle()

        if wt is None:

            return

        self.assertRaises(errors.NotABundle, 

            bzrlib.bundle.read_bundle_from_url, 

            self.get_url('tree'))

        self.assertRaises(errors.NotABundle, 

            bzrlib.bundle.read_bundle_from_url, 

            self.get_url('tree/a'))