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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_mergeable.py
 
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# Copyright (C) 2005-2013, 2016 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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import socketserver
 
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from ..mergeable import read_mergeable_from_url
 
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from ..directory_service import directories
 
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from .. import (
 
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    errors,
 
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    tests,
 
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    )
 
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from . import (
 
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    test_read_bundle,
 
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    test_server,
 
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    )
 
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class TestReadMergeableFromUrl(tests.TestCaseWithTransport):
 
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    def test_read_mergeable_skips_local(self):
 
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        """A local bundle named like the URL should not be read.
 
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        """
 
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        out, wt = test_read_bundle.create_bundle_file(self)
 
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        class FooService(object):
 
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            """A directory service that always returns source"""
 
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            def look_up(self, name, url):
 
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                return 'source'
 
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        directories.register('foo:', FooService, 'Testing directory service')
 
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        self.addCleanup(directories.remove, 'foo:')
 
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        self.build_tree_contents([('./foo:bar', out.getvalue())])
 
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        self.assertRaises(errors.NotABundle, read_mergeable_from_url,
 
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                          'foo:bar')
 
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    def test_infinite_redirects_are_not_a_bundle(self):
 
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        """If a URL causes TooManyRedirections then NotABundle is raised.
 
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        """
 
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        from .blackbox.test_push import RedirectingMemoryServer
 
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        server = RedirectingMemoryServer()
 
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        self.start_server(server)
 
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        url = server.get_url() + 'infinite-loop'
 
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        self.assertRaises(errors.NotABundle, read_mergeable_from_url, url)
 
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    def test_smart_server_connection_reset(self):
 
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        """If a smart server connection fails during the attempt to read a
 
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        bundle, then the ConnectionReset error should be propagated.
 
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        """
 
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        # Instantiate a server that will provoke a ConnectionReset
 
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        sock_server = DisconnectingServer()
 
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        self.start_server(sock_server)
 
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        # We don't really care what the url is since the server will close the
 
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        # connection without interpreting it
 
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        url = sock_server.get_url()
 
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        self.assertRaises(errors.ConnectionReset, read_mergeable_from_url, url)
 
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class DisconnectingHandler(socketserver.BaseRequestHandler):
 
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    """A request handler that immediately closes any connection made to it."""
 
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    def handle(self):
 
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        self.request.close()
 
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class DisconnectingServer(test_server.TestingTCPServerInAThread):
 
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    def __init__(self):
 
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        super(DisconnectingServer, self).__init__(
 
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            ('127.0.0.1', 0),
 
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            test_server.TestingTCPServer,
 
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            DisconnectingHandler)
 
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    def get_url(self):
 
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        """Return the url of the server"""
 
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        return "bzr://%s:%d/" % self.server.server_address