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bzrlib/tests/test_selftest.py
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import os
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import sys
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import unittest
 
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import warnings
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import bzrlib
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from bzrlib.tests import (
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                          TestSkipped,
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                          TextTestRunner,
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                          )
 
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import bzrlib.errors as errors
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class SelftestTests(TestCase):
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class TestTransportProviderAdapter(TestCase):
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    """A group of tests that test the transport implementation adaption core.
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    This is a meta test that the tests are applied to all available 
 
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    transports.
 
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    This will be generalised in the future which is why it is in this 
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    test file even though it is specific to transport tests at the moment.
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    """
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        modules = _get_transport_modules()
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        permutation_count = 0
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        for module in modules:
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            permutation_count += len(reduce(getattr, 
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                (module + ".get_test_permutations").split('.')[1:],
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                 __import__(module))())
 
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            try:
 
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                permutation_count += len(reduce(getattr, 
 
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                    (module + ".get_test_permutations").split('.')[1:],
 
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                     __import__(module))())
 
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            except errors.DependencyNotPresent:
 
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                pass
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        input_test = TestTransportProviderAdapter(
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            "test_adapter_sets_transport_class")
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        adapter = TransportTestProviderAdapter()
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        # that it does not just use the same one all the time.
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        # and that the id is set correctly so that debugging is
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        # easy.
 
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        # 
 
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        # An instance of this test is actually used as the input
 
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        # for adapting it to all the available transports
 
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        # (or i think so - ??? mbp)
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        from bzrlib.transport.local import (LocalTransport,
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                                            LocalRelpathServer,
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                                            LocalAbspathServer,
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                                            LocalURLServer
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                                            )
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        from bzrlib.transport.sftp import (SFTPTransport,
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                                           SFTPAbsoluteServer,
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                                           SFTPHomeDirServer,
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                                           SFTPSiblingAbsoluteServer,
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                                           )
 
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        try:
 
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            from bzrlib.transport.sftp import (SFTPTransport,
 
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                                               SFTPAbsoluteServer,
 
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                                               SFTPHomeDirServer,
 
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                                               SFTPSiblingAbsoluteServer,
 
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                                               )
 
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        except errors.ParamikoNotPresent, e:
 
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            warnings.warn(str(e))
 
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            has_paramiko = False
 
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        else:
 
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            has_paramiko = True
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        from bzrlib.transport.http import (HttpTransport,
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                                           HttpServer
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                                           )
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        input_test = TestTransportProviderAdapter(
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            "test_adapter_sets_transport_class")
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        suite = TransportTestProviderAdapter().adapt(input_test)
 
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        # tests are generated in collation order. 
 
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        # XXX: but i'm not sure the order should really be part of the 
 
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        # contract of the adapter, should it -- mbp 20060201
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        test_iter = iter(suite)
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        http_test = test_iter.next()
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        local_relpath_test = test_iter.next()
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        local_urlpath_test = test_iter.next()
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        memory_test = test_iter.next()
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        readonly_test = test_iter.next()
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        sftp_abs_test = test_iter.next()
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        sftp_homedir_test = test_iter.next()
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        sftp_sibling_abs_test = test_iter.next()
 
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        if has_paramiko:
 
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            sftp_abs_test = test_iter.next()
 
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            sftp_homedir_test = test_iter.next()
 
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            sftp_sibling_abs_test = test_iter.next()
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        # ftp_test = test_iter.next()
 
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        # should now be at the end of the test
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        self.assertRaises(StopIteration, test_iter.next)
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        self.assertEqual(LocalTransport, local_relpath_test.transport_class)
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        self.assertEqual(LocalRelpathServer, local_relpath_test.transport_server)
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        self.assertEqual(LocalTransport, local_urlpath_test.transport_class)
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        self.assertEqual(LocalURLServer, local_urlpath_test.transport_server)
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        self.assertEqual(SFTPTransport, sftp_abs_test.transport_class)
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        self.assertEqual(SFTPAbsoluteServer, sftp_abs_test.transport_server)
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        self.assertEqual(SFTPTransport, sftp_homedir_test.transport_class)
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        self.assertEqual(SFTPHomeDirServer, sftp_homedir_test.transport_server)
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        self.assertEqual(SFTPTransport, sftp_sibling_abs_test.transport_class)
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        self.assertEqual(SFTPSiblingAbsoluteServer,
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                         sftp_sibling_abs_test.transport_server)
 
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        if has_paramiko:
 
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            self.assertEqual(SFTPTransport, sftp_abs_test.transport_class)
 
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            self.assertEqual(SFTPAbsoluteServer, sftp_abs_test.transport_server)
 
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            self.assertEqual(SFTPTransport, sftp_homedir_test.transport_class)
 
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            self.assertEqual(SFTPHomeDirServer, sftp_homedir_test.transport_server)
 
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            self.assertEqual(SFTPTransport, sftp_sibling_abs_test.transport_class)
 
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            self.assertEqual(SFTPSiblingAbsoluteServer,
 
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                             sftp_sibling_abs_test.transport_server)
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        self.assertEqual(HttpTransport, http_test.transport_class)
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        self.assertEqual(HttpServer, http_test.transport_server)