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Viewing changes to bzrlib/tests/test_transport.py

  • Committer: Robert Collins
  • Date: 2006-04-02 22:42:19 UTC
  • mto: (1634.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 1635.
  • Revision ID: robertc@robertcollins.net-20060402224219-d5a818dc987491fe
Refactor the FakeNFS support into a TransportDecorator.
 * Move the existing boilerplate ReadOnly decorator logic in to a base class
   'bzrlib.transport.decorator.TransportDecorator.'
 * Do the same to the ReadOnlyServer to create
   'bzrlib.transport.decorator.DecoratorServer'.
 * Use the new decorator support to create a trivial FakeNFSTransportDecorator
   class in bzrlib.transport.fakenfs.

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bzrlib/tests/test_transport.py
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import stat
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from cStringIO import StringIO
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import bzrlib
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from bzrlib.errors import (NoSuchFile, FileExists,
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                           TransportNotPossible,
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                           ConnectionError,
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                           DependencyNotPresent,
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                           )
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from bzrlib.tests import TestCase
 
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from bzrlib.tests import TestCase, TestCaseInTempDir
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from bzrlib.transport import (_get_protocol_handlers,
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                              _get_transport_modules,
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                              get_transport,
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            server.tearDown()
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class FakeNFSDecoratorTests(TestCaseInTempDir):
 
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    """NFS decorator specific tests."""
 
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    def get_nfs_transport(self, url):
 
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        import bzrlib.transport.fakenfs as fakenfs
 
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        # connect to url with nfs decoration
 
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        return fakenfs.FakeNFSTransportDecorator('fakenfs+' + url)
 
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    def test_local_parameters(self):
 
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        # the listable, should_cache and is_readonly parameters
 
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        # are not changed by the fakenfs decorator
 
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        transport = self.get_nfs_transport('.')
 
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        self.assertEqual(True, transport.listable())
 
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        self.assertEqual(False, transport.should_cache())
 
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        self.assertEqual(False, transport.is_readonly())
 
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    def test_http_parameters(self):
 
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        # the listable, should_cache and is_readonly parameters
 
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        # are not changed by the fakenfs decorator
 
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        from bzrlib.transport.http import HttpServer
 
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        # connect to . via http which is not listable
 
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        server = HttpServer()
 
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        server.setUp()
 
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        try:
 
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            transport = self.get_nfs_transport(server.get_url())
 
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            self.assertIsInstance(
 
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                transport, bzrlib.transport.fakenfs.FakeNFSTransportDecorator)
 
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            self.assertEqual(False, transport.listable())
 
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            self.assertEqual(True, transport.should_cache())
 
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            self.assertEqual(True, transport.is_readonly())
 
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        finally:
 
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            server.tearDown()
 
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    def test_fakenfs_server_default(self):
 
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        # a FakeNFSServer() should bring up a local relpath server for itself
 
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        import bzrlib.transport.fakenfs as fakenfs
 
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        server = fakenfs.FakeNFSServer()
 
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        server.setUp()
 
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        try:
 
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            # the server should be a relpath localhost server
 
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            self.assertEqual(server.get_url(), 'fakenfs+.')
 
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            # and we should be able to get a transport for it
 
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            transport = get_transport(server.get_url())
 
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            # which must be a FakeNFSTransportDecorator instance.
 
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            self.assertIsInstance(
 
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                transport, fakenfs.FakeNFSTransportDecorator)
 
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        finally:
 
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            server.tearDown()
 
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    def test_fakenfs_rename_semantics(self):
 
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        # a FakeNFS transport must mangle the way rename errors occur to
 
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        # look like NFS problems.
 
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        transport = self.get_nfs_transport('.')
 
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        self.build_tree(['from/', 'from/foo', 'to/', 'to/bar'],
 
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                        transport=transport)
 
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        self.assertRaises(bzrlib.errors.ResourceBusy,
 
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                          transport.rename, 'from', 'to')
 
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class BadTransportHandler(Transport):
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    def __init__(self, base_url):
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        raise DependencyNotPresent('some_lib', 'testing missing dependency')