/brz/remove-bazaar

# Copyright (C) 2005-2013, 2016 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

import socketserver

from ..mergeable import read_mergeable_from_url

from ..directory_service import directories

from .. import (

    errors,

    tests,

    )

from . import (

    test_read_bundle,

    test_server,

    )

class TestReadMergeableFromUrl(tests.TestCaseWithTransport):

    def test_read_mergeable_skips_local(self):

        """A local bundle named like the URL should not be read.

        """

        out, wt = test_read_bundle.create_bundle_file(self)

        class FooService(object):

            """A directory service that always returns source"""

            def look_up(self, name, url):

                return 'source'

        directories.register('foo:', FooService, 'Testing directory service')

        self.addCleanup(directories.remove, 'foo:')

        self.build_tree_contents([('./foo:bar', out.getvalue())])

        self.assertRaises(errors.NotABundle, read_mergeable_from_url,

                          'foo:bar')

    def test_infinite_redirects_are_not_a_bundle(self):

        """If a URL causes TooManyRedirections then NotABundle is raised.

        """

        from .blackbox.test_push import RedirectingMemoryServer

        server = RedirectingMemoryServer()

        self.start_server(server)

        url = server.get_url() + 'infinite-loop'

        self.assertRaises(errors.NotABundle, read_mergeable_from_url, url)

    def test_smart_server_connection_reset(self):

        """If a smart server connection fails during the attempt to read a

        bundle, then the ConnectionReset error should be propagated.

        """

        # Instantiate a server that will provoke a ConnectionReset

        sock_server = DisconnectingServer()

        self.start_server(sock_server)

        # We don't really care what the url is since the server will close the

        # connection without interpreting it

        url = sock_server.get_url()

        self.assertRaises(errors.ConnectionReset, read_mergeable_from_url, url)

class DisconnectingHandler(socketserver.BaseRequestHandler):

    """A request handler that immediately closes any connection made to it."""

    def handle(self):

        self.request.close()

class DisconnectingServer(test_server.TestingTCPServerInAThread):

    def __init__(self):

        super(DisconnectingServer, self).__init__(

            ('127.0.0.1', 0),

            test_server.TestingTCPServer,

            DisconnectingHandler)

    def get_url(self):

        """Return the url of the server"""

        return "bzr://%s:%d/" % self.server.server_address