~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006 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 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.symbol_versioning import deprecated_in

from bzrlib import tests

from bzrlib.tests.test_transport import TestTransportImplementation

from bzrlib.tests.test_transport_implementations import transport_test_permutations

import bzrlib.transport

from bzrlib.transport.memory import MemoryTransport

import bzrlib.urlutils

def load_tests(standard_tests, module, loader):

    """Multiply tests for tranport implementations."""

    transport_tests, remaining_tests = tests.split_suite_by_condition(

        standard_tests, tests.condition_isinstance(TestReadBundleFromURL))

    return tests.multiply_tests(transport_tests, transport_test_permutations(),

        remaining_tests)

def create_bundle_file(test_case):

    test_case.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.get_parent_ids()[0], 'null:', out)

    out.seek(0)

    return out, wt

class TestDeprecations(tests.TestCaseInTempDir):

    def create_test_bundle(self):

        out, wt = create_bundle_file(self)

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

        try:

            f.write(out.getvalue())

        finally:

            f.close()

        return wt

    def test_read_bundle_from_url_deprecated(self):

        wt = self.create_test_bundle()

        t = bzrlib.transport.get_transport(self.test_dir)

        url = t.abspath('test_bundle')

        self.callDeprecated([deprecated_in((1, 12, 0))

                             % 'bzrlib.bundle.read_bundle_from_url'],

                            bzrlib.bundle.read_bundle_from_url,

                            url)

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):

        out, wt = create_bundle_file(self)

        if self.get_transport().is_readonly():

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

            try:

                f.write(out.getvalue())

            finally:

                f.close()

        else:

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

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

        return wt

    def test_read_mergeable_from_url(self):

        self._captureVar('BZR_NO_SMART_VFS', None)

        wt = self.create_test_bundle()

        if wt is None:

            return

        # read_mergeable_from_url will invoke get_transport which may *not*

        # respect self._transport (i.e. returns a transport that is different

        # from the one we want to test, so we must inject a correct transport

        # into possible_transports first.

        t = self.get_transport('test_bundle')

        possible_transports = [t]

        info = bzrlib.bundle.read_mergeable_from_url(

                    unicode(self.get_url('test_bundle')),

                    possible_transports=possible_transports)

        revision = info.real_revisions[-1]

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

    def test_read_fail(self):

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

        # should fail with NotABundle

        self._captureVar('BZR_NO_SMART_VFS', None)

        wt = self.create_test_bundle()

        if wt is None:

            return

        self.assertRaises(errors.NotABundle,

            bzrlib.bundle.read_mergeable_from_url,

            self.get_url('tree'))

        self.assertRaises(errors.NotABundle,

            bzrlib.bundle.read_mergeable_from_url,

            self.get_url('tree/a'))

    def test_read_mergeable_respects_possible_transports(self):

        t = self.get_transport('test_bundle')

        if not isinstance(t, bzrlib.transport.ConnectedTransport):

            # There is no point testing transport reuse for not connected

            # transports (the test will fail even).

            return

        self._captureVar('BZR_NO_SMART_VFS', None)

        wt = self.create_test_bundle()

        if wt is None:

            return

        # read_mergeable_from_url will invoke get_transport which may *not*

        # respect self._transport (i.e. returns a transport that is different

        # from the one we want to test, so we must inject a correct transport

        # into possible_transports first.

        possible_transports = [t]

        url = unicode(self.get_url('test_bundle'))

        info = bzrlib.bundle.read_mergeable_from_url(url,

            possible_transports=possible_transports)

        self.assertEqual(1, len(possible_transports))