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  • Committer: Jelmer Vernooij
  • Date: 2020-05-24 00:39:50 UTC
  • mto: This revision was merged to the branch mainline in revision 7504.
  • Revision ID: jelmer@jelmer.uk-20200524003950-bbc545r76vc5yajg
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breezy/tests/test_read_bundle.py
 
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# Copyright (C) 2006-2011 Canonical Ltd
 
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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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"""Test read_bundle works properly across various transports."""
 
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from io import BytesIO
 
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import breezy.mergeable
 
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from ..bzr.bundle.serializer import write_bundle
 
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import breezy.bzr.bzrdir
 
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from .. import errors
 
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from .. import tests
 
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from .test_transport import TestTransportImplementation
 
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from .per_transport import transport_test_permutations
 
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import breezy.transport
 
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import breezy.urlutils
 
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from .scenarios import load_tests_apply_scenarios
 
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load_tests = load_tests_apply_scenarios
 
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def create_bundle_file(test_case):
 
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    test_case.build_tree(['tree/', 'tree/a', 'tree/subdir/'])
 
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    format = breezy.bzr.bzrdir.BzrDirFormat.get_default_format()
 
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    bzrdir = format.initialize('tree')
 
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    repo = bzrdir.create_repository()
 
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    branch = repo.controldir.create_branch()
 
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    wt = branch.controldir.create_workingtree()
 
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    wt.add(['a', 'subdir/'])
 
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    wt.commit('new project', rev_id=b'commit-1')
 
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    out = BytesIO()
 
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    write_bundle(wt.branch.repository, wt.get_parent_ids()[0], b'null:', out)
 
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    out.seek(0)
 
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    return out, wt
 
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class TestReadMergeableBundleFromURL(TestTransportImplementation):
 
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    """Test that read_bundle works properly across multiple transports"""
 
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    scenarios = transport_test_permutations()
 
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    def setUp(self):
 
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        super(TestReadMergeableBundleFromURL, self).setUp()
 
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        self.bundle_name = 'test_bundle'
 
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        # read_mergeable_from_url will invoke get_transport which may *not*
 
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        # respect self._transport (i.e. returns a transport that is different
 
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        # from the one we want to test, so we must inject a correct transport
 
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        # into possible_transports first).
 
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        self.possible_transports = [self.get_transport(self.bundle_name)]
 
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        self.overrideEnv('BRZ_NO_SMART_VFS', None)
 
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        self.create_test_bundle()
 
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    def read_mergeable_from_url(self, url):
 
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        return breezy.mergeable.read_mergeable_from_url(
 
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            url, possible_transports=self.possible_transports)
 
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    def get_url(self, relpath=''):
 
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        return breezy.urlutils.join(self._server.get_url(), relpath)
 
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    def create_test_bundle(self):
 
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        out, wt = create_bundle_file(self)
 
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        if self.get_transport().is_readonly():
 
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            self.build_tree_contents([(self.bundle_name, out.getvalue())])
 
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        else:
 
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            self.get_transport().put_file(self.bundle_name, out)
 
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            self.log('Put to: %s', self.get_url(self.bundle_name))
 
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        return wt
 
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    def test_read_mergeable_from_url(self):
 
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        info = self.read_mergeable_from_url(
 
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            str(self.get_url(self.bundle_name)))
 
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        revision = info.real_revisions[-1]
 
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        self.assertEqual(b'commit-1', revision.revision_id)
 
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    def test_read_fail(self):
 
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        # Trying to read from a directory, or non-bundle file
 
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        # should fail with NotABundle
 
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        self.assertRaises(errors.NotABundle,
 
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                          self.read_mergeable_from_url, self.get_url('tree'))
 
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        self.assertRaises(errors.NotABundle,
 
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                          self.read_mergeable_from_url, self.get_url('tree/a'))
 
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    def test_read_mergeable_respects_possible_transports(self):
 
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        if not isinstance(self.get_transport(self.bundle_name),
 
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                          breezy.transport.ConnectedTransport):
 
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            # There is no point testing transport reuse for not connected
 
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            # transports (the test will fail even).
 
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            raise tests.TestSkipped(
 
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                'Need a ConnectedTransport to test transport reuse')
 
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        url = str(self.get_url(self.bundle_name))
 
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        self.read_mergeable_from_url(url)
 
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        self.assertEqual(1, len(self.possible_transports))