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bzrlib/tests/test_selftest.py
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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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                          _load_module_by_name,
 
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                          ChrootedTestCase,
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                          TestCase,
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                          TestCaseInTempDir,
 
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                          TestCaseWithTransport,
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                          TestSkipped,
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                          TextTestRunner,
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                          )
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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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        # 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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        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_abspath_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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        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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                         "TestTransportProviderAdapter."
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                         "test_adapter_sets_transport_class(LocalRelpathServer)",
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                         local_relpath_test.id())
 
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class TestBranchProviderAdapter(TestCase):
 
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    """A group of tests that test the branch implementation test adapter."""
 
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    def test_adapted_tests(self):
 
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        # check that constructor parameters are passed through to the adapted
 
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        # test.
 
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        from bzrlib.branch import BranchTestProviderAdapter
 
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        input_test = TestBranchProviderAdapter(
 
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            "test_adapted_tests")
 
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        server1 = "a"
 
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        server2 = "b"
 
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        formats = ["c", "d"]
 
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        adapter = BranchTestProviderAdapter(server1, server2, formats)
 
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        suite = adapter.adapt(input_test)
 
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        tests = list(iter(suite))
 
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        self.assertEqual(2, len(tests))
 
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        self.assertEqual(tests[0].branch_format, formats[0])
 
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        self.assertEqual(tests[0].transport_server, server1)
 
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        self.assertEqual(tests[0].transport_readonly_server, server2)
 
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        self.assertEqual(tests[1].branch_format, formats[1])
 
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        self.assertEqual(tests[1].transport_server, server1)
 
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        self.assertEqual(tests[1].transport_readonly_server, server2)
 
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class TestTestCaseWithTransport(TestCaseWithTransport):
 
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    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
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    def test_get_readonly_url_none(self):
 
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        from bzrlib.transport import get_transport
 
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        from bzrlib.transport.memory import MemoryServer
 
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        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
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        self.transport_server = MemoryServer
 
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        self.transport_readonly_server = None
 
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        # calling get_readonly_transport() constructs a decorator on the url
 
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        # for the server
 
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        url = self.get_readonly_url()
 
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        url2 = self.get_readonly_url('foo/bar')
 
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        t = get_transport(url)
 
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        t2 = get_transport(url2)
 
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        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
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        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
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        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
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    def test_get_readonly_url_http(self):
 
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        from bzrlib.transport import get_transport
 
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        from bzrlib.transport.local import LocalRelpathServer
 
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        from bzrlib.transport.http import HttpServer, HttpTransport
 
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        self.transport_server = LocalRelpathServer
 
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        self.transport_readonly_server = HttpServer
 
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        # calling get_readonly_transport() gives us a HTTP server instance.
 
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        url = self.get_readonly_url()
 
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        url2 = self.get_readonly_url('foo/bar')
 
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        t = get_transport(url)
 
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        t2 = get_transport(url2)
 
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        self.failUnless(isinstance(t, HttpTransport))
 
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        self.failUnless(isinstance(t2, HttpTransport))
 
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        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
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class TestChrootedTest(ChrootedTestCase):
 
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    def test_root_is_root(self):
 
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        from bzrlib.transport import get_transport
 
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        t = get_transport(self.get_readonly_url())
 
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        url = t.base
 
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        self.assertEqual(url, t.clone('..').base)