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# Copyright (C) 2004, 2005, 2006, 2007 Canonical Ltd
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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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# 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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# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import StringIO
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from bzrlib.errors import (ConnectionError,
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from bzrlib.tests import TestCase, TestCaseInTempDir
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from bzrlib.transport import (_CoalescedOffset,
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_get_protocol_handlers,
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_set_protocol_handlers,
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_get_transport_modules,
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register_lazy_transport,
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register_transport_proto,
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_clear_protocol_handlers,
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from bzrlib.transport.chroot import ChrootServer
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from bzrlib.transport.memory import MemoryTransport
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from bzrlib.transport.local import (LocalTransport,
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EmulatedWin32LocalTransport)
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from bzrlib.transport.remote import (
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# TODO: Should possibly split transport-specific tests into their own files.
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class TestTransport(TestCase):
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"""Test the non transport-concrete class functionality."""
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def test__get_set_protocol_handlers(self):
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handlers = _get_protocol_handlers()
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self.assertNotEqual([], handlers.keys( ))
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_clear_protocol_handlers()
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self.assertEqual([], _get_protocol_handlers().keys())
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_set_protocol_handlers(handlers)
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def test_get_transport_modules(self):
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handlers = _get_protocol_handlers()
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class SampleHandler(object):
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"""I exist, isnt that enough?"""
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_clear_protocol_handlers()
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register_transport_proto('foo')
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register_lazy_transport('foo', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
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register_transport_proto('bar')
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register_lazy_transport('bar', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
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self.assertEqual([SampleHandler.__module__, 'bzrlib.transport.chroot'],
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_get_transport_modules())
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_set_protocol_handlers(handlers)
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def test_transport_dependency(self):
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"""Transport with missing dependency causes no error"""
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saved_handlers = _get_protocol_handlers()
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register_transport_proto('foo')
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register_lazy_transport('foo', 'bzrlib.tests.test_transport',
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'BadTransportHandler')
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get_transport('foo://fooserver/foo')
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except UnsupportedProtocol, e:
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self.assertEquals('Unsupported protocol'
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' for url "foo://fooserver/foo":'
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' Unable to import library "some_lib":'
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' testing missing dependency', str(e))
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self.fail('Did not raise UnsupportedProtocol')
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# restore original values
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_set_protocol_handlers(saved_handlers)
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def test_transport_fallback(self):
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"""Transport with missing dependency causes no error"""
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saved_handlers = _get_protocol_handlers()
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_clear_protocol_handlers()
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register_transport_proto('foo')
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register_lazy_transport('foo', 'bzrlib.tests.test_transport',
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'BackupTransportHandler')
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register_lazy_transport('foo', 'bzrlib.tests.test_transport',
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'BadTransportHandler')
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t = get_transport('foo://fooserver/foo')
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self.assertTrue(isinstance(t, BackupTransportHandler))
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_set_protocol_handlers(saved_handlers)
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def test_LateReadError(self):
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"""The LateReadError helper should raise on read()."""
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a_file = LateReadError('a path')
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except ReadError, error:
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self.assertEqual('a path', error.path)
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self.assertRaises(ReadError, a_file.read, 40)
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def test__combine_paths(self):
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self.assertEqual('/home/sarah/project/foo',
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t._combine_paths('/home/sarah', 'project/foo'))
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self.assertEqual('/etc',
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t._combine_paths('/home/sarah', '../../etc'))
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self.assertEqual('/etc',
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t._combine_paths('/home/sarah', '../../../etc'))
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self.assertEqual('/etc',
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t._combine_paths('/home/sarah', '/etc'))
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def test_local_abspath_non_local_transport(self):
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# the base implementation should throw
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t = MemoryTransport()
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e = self.assertRaises(errors.NotLocalUrl, t.local_abspath, 't')
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self.assertEqual('memory:///t is not a local path.', str(e))
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class TestCoalesceOffsets(TestCase):
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def check(self, expected, offsets, limit=0, fudge=0):
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coalesce = Transport._coalesce_offsets
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exp = [_CoalescedOffset(*x) for x in expected]
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out = list(coalesce(offsets, limit=limit, fudge_factor=fudge))
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self.assertEqual(exp, out)
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def test_coalesce_empty(self):
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def test_coalesce_simple(self):
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self.check([(0, 10, [(0, 10)])], [(0, 10)])
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def test_coalesce_unrelated(self):
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self.check([(0, 10, [(0, 10)]),
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], [(0, 10), (20, 10)])
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def test_coalesce_unsorted(self):
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self.check([(20, 10, [(0, 10)]),
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], [(20, 10), (0, 10)])
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def test_coalesce_nearby(self):
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self.check([(0, 20, [(0, 10), (10, 10)])],
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def test_coalesce_overlapped(self):
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self.check([(0, 15, [(0, 10), (5, 10)])],
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def test_coalesce_limit(self):
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self.check([(10, 50, [(0, 10), (10, 10), (20, 10),
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(30, 10), (40, 10)]),
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(60, 50, [(0, 10), (10, 10), (20, 10),
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(30, 10), (40, 10)]),
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], [(10, 10), (20, 10), (30, 10), (40, 10),
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(50, 10), (60, 10), (70, 10), (80, 10),
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(90, 10), (100, 10)],
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def test_coalesce_no_limit(self):
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self.check([(10, 100, [(0, 10), (10, 10), (20, 10),
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(30, 10), (40, 10), (50, 10),
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(60, 10), (70, 10), (80, 10),
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], [(10, 10), (20, 10), (30, 10), (40, 10),
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(50, 10), (60, 10), (70, 10), (80, 10),
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(90, 10), (100, 10)])
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def test_coalesce_fudge(self):
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self.check([(10, 30, [(0, 10), (20, 10)]),
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(100, 10, [(0, 10),]),
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], [(10, 10), (30, 10), (100, 10)],
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class TestMemoryTransport(TestCase):
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def test_get_transport(self):
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def test_clone(self):
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transport = MemoryTransport()
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self.assertTrue(isinstance(transport, MemoryTransport))
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self.assertEqual("memory:///", transport.clone("/").base)
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def test_abspath(self):
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transport = MemoryTransport()
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self.assertEqual("memory:///relpath", transport.abspath('relpath'))
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def test_abspath_of_root(self):
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transport = MemoryTransport()
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self.assertEqual("memory:///", transport.base)
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self.assertEqual("memory:///", transport.abspath('/'))
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def test_abspath_of_relpath_starting_at_root(self):
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transport = MemoryTransport()
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self.assertEqual("memory:///foo", transport.abspath('/foo'))
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def test_append_and_get(self):
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transport = MemoryTransport()
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transport.append_bytes('path', 'content')
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self.assertEqual(transport.get('path').read(), 'content')
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transport.append_file('path', StringIO('content'))
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self.assertEqual(transport.get('path').read(), 'contentcontent')
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def test_put_and_get(self):
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transport = MemoryTransport()
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transport.put_file('path', StringIO('content'))
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self.assertEqual(transport.get('path').read(), 'content')
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transport.put_bytes('path', 'content')
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self.assertEqual(transport.get('path').read(), 'content')
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def test_append_without_dir_fails(self):
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile,
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transport.append_bytes, 'dir/path', 'content')
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def test_put_without_dir_fails(self):
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile,
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transport.put_file, 'dir/path', StringIO('content'))
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def test_get_missing(self):
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile, transport.get, 'foo')
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def test_has_missing(self):
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transport = MemoryTransport()
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self.assertEquals(False, transport.has('foo'))
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def test_has_present(self):
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transport = MemoryTransport()
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transport.append_bytes('foo', 'content')
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self.assertEquals(True, transport.has('foo'))
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def test_list_dir(self):
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transport = MemoryTransport()
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transport.put_bytes('foo', 'content')
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transport.mkdir('dir')
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transport.put_bytes('dir/subfoo', 'content')
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transport.put_bytes('dirlike', 'content')
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self.assertEquals(['dir', 'dirlike', 'foo'], sorted(transport.list_dir('.')))
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self.assertEquals(['subfoo'], sorted(transport.list_dir('dir')))
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def test_mkdir(self):
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transport = MemoryTransport()
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transport.mkdir('dir')
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transport.append_bytes('dir/path', 'content')
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self.assertEqual(transport.get('dir/path').read(), 'content')
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def test_mkdir_missing_parent(self):
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile,
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transport.mkdir, 'dir/dir')
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def test_mkdir_twice(self):
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transport = MemoryTransport()
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transport.mkdir('dir')
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self.assertRaises(FileExists, transport.mkdir, 'dir')
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def test_parameters(self):
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transport = MemoryTransport()
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self.assertEqual(True, transport.listable())
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self.assertEqual(False, transport.is_readonly())
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def test_iter_files_recursive(self):
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transport = MemoryTransport()
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transport.mkdir('dir')
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transport.put_bytes('dir/foo', 'content')
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transport.put_bytes('dir/bar', 'content')
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transport.put_bytes('bar', 'content')
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paths = set(transport.iter_files_recursive())
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self.assertEqual(set(['dir/foo', 'dir/bar', 'bar']), paths)
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transport = MemoryTransport()
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transport.put_bytes('foo', 'content')
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transport.put_bytes('bar', 'phowar')
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self.assertEqual(7, transport.stat('foo').st_size)
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self.assertEqual(6, transport.stat('bar').st_size)
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class ChrootDecoratorTransportTest(TestCase):
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"""Chroot decoration specific tests."""
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def test_abspath(self):
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# The abspath is always relative to the chroot_url.
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server = ChrootServer(get_transport('memory:///foo/bar/'))
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transport = get_transport(server.get_url())
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self.assertEqual(server.get_url(), transport.abspath('/'))
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subdir_transport = transport.clone('subdir')
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self.assertEqual(server.get_url(), subdir_transport.abspath('/'))
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def test_clone(self):
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server = ChrootServer(get_transport('memory:///foo/bar/'))
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transport = get_transport(server.get_url())
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# relpath from root and root path are the same
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relpath_cloned = transport.clone('foo')
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abspath_cloned = transport.clone('/foo')
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self.assertEqual(server, relpath_cloned.server)
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self.assertEqual(server, abspath_cloned.server)
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def test_chroot_url_preserves_chroot(self):
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"""Calling get_transport on a chroot transport's base should produce a
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transport with exactly the same behaviour as the original chroot
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This is so that it is not possible to escape a chroot by doing::
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url = chroot_transport.base
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parent_url = urlutils.join(url, '..')
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new_transport = get_transport(parent_url)
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server = ChrootServer(get_transport('memory:///path/subpath'))
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transport = get_transport(server.get_url())
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new_transport = get_transport(transport.base)
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self.assertEqual(transport.server, new_transport.server)
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self.assertEqual(transport.base, new_transport.base)
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def test_urljoin_preserves_chroot(self):
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"""Using urlutils.join(url, '..') on a chroot URL should not produce a
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URL that escapes the intended chroot.
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This is so that it is not possible to escape a chroot by doing::
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url = chroot_transport.base
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parent_url = urlutils.join(url, '..')
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new_transport = get_transport(parent_url)
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server = ChrootServer(get_transport('memory:///path/'))
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transport = get_transport(server.get_url())
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InvalidURLJoin, urlutils.join, transport.base, '..')
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class ChrootServerTest(TestCase):
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def test_construct(self):
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backing_transport = MemoryTransport()
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server = ChrootServer(backing_transport)
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self.assertEqual(backing_transport, server.backing_transport)
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def test_setUp(self):
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backing_transport = MemoryTransport()
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server = ChrootServer(backing_transport)
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self.assertTrue(server.scheme in _get_protocol_handlers().keys())
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def test_tearDown(self):
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backing_transport = MemoryTransport()
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server = ChrootServer(backing_transport)
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self.assertFalse(server.scheme in _get_protocol_handlers().keys())
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def test_get_url(self):
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backing_transport = MemoryTransport()
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server = ChrootServer(backing_transport)
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self.assertEqual('chroot-%d:///' % id(server), server.get_url())
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class ReadonlyDecoratorTransportTest(TestCase):
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"""Readonly decoration specific tests."""
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def test_local_parameters(self):
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import bzrlib.transport.readonly as readonly
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# connect to . in readonly mode
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transport = readonly.ReadonlyTransportDecorator('readonly+.')
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self.assertEqual(True, transport.listable())
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self.assertEqual(True, transport.is_readonly())
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def test_http_parameters(self):
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from bzrlib.tests.HttpServer import HttpServer
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import bzrlib.transport.readonly as readonly
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# connect to . via http which is not listable
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server = HttpServer()
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transport = get_transport('readonly+' + server.get_url())
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self.failUnless(isinstance(transport,
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readonly.ReadonlyTransportDecorator))
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self.assertEqual(False, transport.listable())
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self.assertEqual(True, transport.is_readonly())
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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 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.is_readonly())
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def test_http_parameters(self):
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# the listable and is_readonly parameters
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# are not changed by the fakenfs decorator
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from bzrlib.tests.HttpServer import HttpServer
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# connect to . via http which is not listable
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server = HttpServer()
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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.is_readonly())
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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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# the url should be decorated appropriately
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self.assertStartsWith(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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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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self.assertRaises(errors.ResourceBusy,
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transport.rename, 'from', 'to')
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class FakeVFATDecoratorTests(TestCaseInTempDir):
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"""Tests for simulation of VFAT restrictions"""
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def get_vfat_transport(self, url):
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"""Return vfat-backed transport for test directory"""
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from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
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return FakeVFATTransportDecorator('vfat+' + url)
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def test_transport_creation(self):
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from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
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transport = self.get_vfat_transport('.')
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self.assertIsInstance(transport, FakeVFATTransportDecorator)
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def test_transport_mkdir(self):
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transport = self.get_vfat_transport('.')
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transport.mkdir('HELLO')
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self.assertTrue(transport.has('hello'))
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self.assertTrue(transport.has('Hello'))
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def test_forbidden_chars(self):
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transport = self.get_vfat_transport('.')
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self.assertRaises(ValueError, transport.has, "<NU>")
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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')
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class BackupTransportHandler(Transport):
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"""Test transport that works as a backup for the BadTransportHandler"""
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class TestTransportImplementation(TestCaseInTempDir):
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"""Implementation verification for transports.
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To verify a transport we need a server factory, which is a callable
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that accepts no parameters and returns an implementation of
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bzrlib.transport.Server.
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That Server is then used to construct transport instances and test
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the transport via loopback activity.
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Currently this assumes that the Transport object is connected to the
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current working directory. So that whatever is done
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through the transport, should show up in the working
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directory, and vice-versa. This is a bug, because its possible to have
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URL schemes which provide access to something that may not be
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result in storage on the local disk, i.e. due to file system limits, or
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due to it being a database or some other non-filesystem tool.
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This also tests to make sure that the functions work with both
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generators and lists (assuming iter(list) is effectively a generator)
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super(TestTransportImplementation, self).setUp()
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self._server = self.transport_server()
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self.addCleanup(self._server.tearDown)
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def get_transport(self, relpath=None):
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"""Return a connected transport to the local directory.
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:param relpath: a path relative to the base url.
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base_url = self._server.get_url()
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url = self._adjust_url(base_url, relpath)
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# try getting the transport via the regular interface:
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t = get_transport(url)
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# vila--20070607 if the following are commented out the test suite
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# still pass. Is this really still needed or was it a forgotten
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if not isinstance(t, self.transport_class):
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# we did not get the correct transport class type. Override the
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# regular connection behaviour by direct construction.
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t = self.transport_class(url)
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class TestLocalTransports(TestCase):
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def test_get_transport_from_abspath(self):
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here = osutils.abspath('.')
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t = get_transport(here)
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self.assertIsInstance(t, LocalTransport)
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self.assertEquals(t.base, urlutils.local_path_to_url(here) + '/')
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def test_get_transport_from_relpath(self):
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here = osutils.abspath('.')
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t = get_transport('.')
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self.assertIsInstance(t, LocalTransport)
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self.assertEquals(t.base, urlutils.local_path_to_url('.') + '/')
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def test_get_transport_from_local_url(self):
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here = osutils.abspath('.')
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here_url = urlutils.local_path_to_url(here) + '/'
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t = get_transport(here_url)
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self.assertIsInstance(t, LocalTransport)
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self.assertEquals(t.base, here_url)
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def test_local_abspath(self):
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here = osutils.abspath('.')
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t = get_transport(here)
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self.assertEquals(t.local_abspath(''), here)
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class TestWin32LocalTransport(TestCase):
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def test_unc_clone_to_root(self):
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# Win32 UNC path like \\HOST\path
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# clone to root should stop at least at \\HOST part
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t = EmulatedWin32LocalTransport('file://HOST/path/to/some/dir/')
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self.assertEquals(t.base, 'file://HOST/')
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# make sure we reach the root
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self.assertEquals(t.base, 'file://HOST/')
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class TestConnectedTransport(TestCase):
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"""Tests for connected to remote server transports"""
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def test_parse_url(self):
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t = ConnectedTransport('sftp://simple.example.com/home/source')
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self.assertEquals(t._host, 'simple.example.com')
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self.assertEquals(t._port, 22)
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self.assertEquals(t._path, '/home/source/')
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self.failUnless(t._user is None)
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self.failUnless(t._password is None)
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self.assertEquals(t.base, 'sftp://simple.example.com/home/source/')
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def test_parse_quoted_url(self):
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t = ConnectedTransport('http://ro%62ey:h%40t@ex%41mple.com:2222/path')
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self.assertEquals(t._host, 'exAmple.com')
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self.assertEquals(t._port, 2222)
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self.assertEquals(t._user, 'robey')
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self.assertEquals(t._password, 'h@t')
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self.assertEquals(t._path, '/path/')
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# Base should not keep track of the password
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self.assertEquals(t.base, 'http://robey@exAmple.com:2222/path/')
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def test_parse_invalid_url(self):
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self.assertRaises(errors.InvalidURL,
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'sftp://lily.org:~janneke/public/bzr/gub')
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def test_relpath(self):
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t = ConnectedTransport('sftp://user@host.com/abs/path')
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self.assertEquals(t.relpath('sftp://user@host.com/abs/path/sub'), 'sub')
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self.assertRaises(errors.PathNotChild, t.relpath,
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'http://user@host.com/abs/path/sub')
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self.assertRaises(errors.PathNotChild, t.relpath,
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'sftp://user2@host.com/abs/path/sub')
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self.assertRaises(errors.PathNotChild, t.relpath,
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'sftp://user@otherhost.com/abs/path/sub')
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self.assertRaises(errors.PathNotChild, t.relpath,
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'sftp://user@host.com:33/abs/path/sub')
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# Make sure it works when we don't supply a username
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t = ConnectedTransport('sftp://host.com/abs/path')
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self.assertEquals(t.relpath('sftp://host.com/abs/path/sub'), 'sub')
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# Make sure it works when parts of the path will be url encoded
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t = ConnectedTransport('sftp://host.com/dev/%path')
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self.assertEquals(t.relpath('sftp://host.com/dev/%path/sub'), 'sub')
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def test_connection_sharing_propagate_credentials(self):
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t = ConnectedTransport('foo://user@host.com/abs/path')
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self.assertIs(None, t._get_connection())
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self.assertIs(None, t._password)
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c = t.clone('subdir')
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self.assertEquals(None, c._get_connection())
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self.assertIs(None, t._password)
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# Simulate the user entering a password
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connection = object()
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t._set_connection(connection, password)
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self.assertIs(connection, t._get_connection())
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self.assertIs(password, t._get_credentials())
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self.assertIs(connection, c._get_connection())
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self.assertIs(password, c._get_credentials())
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# credentials can be updated
686
new_password = 'even more secret'
687
c._update_credentials(new_password)
688
self.assertIs(connection, t._get_connection())
689
self.assertIs(new_password, t._get_credentials())
690
self.assertIs(connection, c._get_connection())
691
self.assertIs(new_password, c._get_credentials())
694
class TestReusedTransports(TestCase):
695
"""Tests for transport reuse"""
697
def test_reuse_same_transport(self):
698
possible_transports = []
699
t1 = get_transport('http://foo/',
700
possible_transports=possible_transports)
701
self.assertEqual([t1], possible_transports)
702
t2 = get_transport('http://foo/', possible_transports=[t1])
703
self.assertIs(t1, t2)
705
# Also check that final '/' are handled correctly
706
t3 = get_transport('http://foo/path/')
707
t4 = get_transport('http://foo/path', possible_transports=[t3])
708
self.assertIs(t3, t4)
710
t5 = get_transport('http://foo/path')
711
t6 = get_transport('http://foo/path/', possible_transports=[t5])
712
self.assertIs(t5, t6)
714
def test_don_t_reuse_different_transport(self):
715
t1 = get_transport('http://foo/path')
716
t2 = get_transport('http://bar/path', possible_transports=[t1])
717
self.assertIsNot(t1, t2)
720
class TestRemoteTCPTransport(TestCase):
721
"""Tests for bzr:// transport (RemoteTCPTransport)."""
723
def test_relpath_with_implicit_port(self):
724
"""Connected transports with the same URL are the same, even if the
727
So t.relpath(url) should always be '' if t.base is the same as url, or
728
if the only difference is that one explicitly specifies the default
729
port and the other doesn't specify a port.
731
t_implicit_port = RemoteTCPTransport('bzr://host.com/')
732
self.assertEquals('', t_implicit_port.relpath('bzr://host.com/'))
733
self.assertEquals('', t_implicit_port.relpath('bzr://host.com:4155/'))
734
t_explicit_port = RemoteTCPTransport('bzr://host.com:4155/')
735
self.assertEquals('', t_explicit_port.relpath('bzr://host.com/'))
736
self.assertEquals('', t_explicit_port.relpath('bzr://host.com:4155/'))
738
def test_construct_uses_default_port(self):
739
"""If no port is specified, then RemoteTCPTransport uses
742
t = get_transport('bzr://host.com/')
743
self.assertEquals(BZR_DEFAULT_PORT, t._port)
745
def test_url_omits_default_port(self):
746
"""If a RemoteTCPTransport uses the default port, then its base URL
749
This is like how ":80" is omitted from "http://example.com/".
751
t = get_transport('bzr://host.com:4155/')
752
self.assertEquals('bzr://host.com/', t.base)
754
def test_url_includes_non_default_port(self):
755
"""Non-default ports are included in the transport's URL.
757
Contrast this to `test_url_omits_default_port`.
759
t = get_transport('bzr://host.com:666/')
760
self.assertEquals('bzr://host.com:666/', t.base)
764
def get_test_permutations():
765
"""Return transport permutations to be used in testing.
767
This module registers some transports, but they're only for testing
768
registration. We don't really want to run all the transport tests against
added
removed
bzrlib/tests/test_transport.py
