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# Copyright (C) 2004, 2005 by Canonical Ltd
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# Copyright (C) 2004, 2005, 2006 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 bzrlib.selftest import TestCaseInTempDir
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def test_transport(tester, t, readonly=False):
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"""Test a transport object. Basically, it assumes that the
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Transport object is connected to the current working directory.
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So that whatever is done through the transport, should show
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up in the working directory, and vice-versa.
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from cStringIO import StringIO
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from bzrlib import urlutils
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from bzrlib.errors import (NoSuchFile, FileExists,
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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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_get_transport_modules,
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register_lazy_transport,
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_set_protocol_handlers,
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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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# 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)
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_set_protocol_handlers({})
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self.assertEqual({}, _get_protocol_handlers())
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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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_set_protocol_handlers(my_handlers)
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register_lazy_transport('foo', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
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register_lazy_transport('bar', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
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self.assertEqual([SampleHandler.__module__],
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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_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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_set_protocol_handlers({})
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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__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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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.should_cache())
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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_construct(self):
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from bzrlib.transport import chroot
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transport = chroot.ChrootTransportDecorator('chroot+memory:///pathA/')
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self.assertEqual('memory:///pathA/', transport.chroot_url)
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transport = chroot.ChrootTransportDecorator(
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'chroot+memory:///path/B', chroot='memory:///path/')
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self.assertEqual('memory:///path/', transport.chroot_url)
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def test_append_file(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.append_file, '/foo', None)
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def test_append_bytes(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.append_bytes, '/foo', 'bytes')
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def test_clone(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.clone, '/foo')
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def test_delete(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.delete, '/foo')
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def test_delete_tree(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.delete_tree, '/foo')
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.get, '/foo')
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def test_get_bytes(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.get_bytes, '/foo')
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.has, '/foo')
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def test_list_dir(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.list_dir, '/foo')
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def test_lock_read(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.lock_read, '/foo')
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def test_lock_write(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.lock_write, '/foo')
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def test_mkdir(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.mkdir, '/foo')
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def test_put_bytes(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.put_bytes, '/foo', 'bytes')
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def test_put_file(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.put_file, '/foo', None)
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def test_rename(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.rename, '/aaa', 'bbb')
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self.assertRaises(PathNotChild, transport.rename, 'ccc', '/d')
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def test_rmdir(self):
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.rmdir, '/foo')
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transport = get_transport('chroot+memory:///foo/bar')
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self.assertRaises(PathNotChild, transport.stat, '/foo')
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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(False, transport.should_cache())
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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.should_cache())
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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, 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.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.should_cache())
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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(bzrlib.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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from bzrlib.transport.local import LocalTransport
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files = ['a', 'b', 'e', 'g']
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tester.build_tree(files)
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tester.assertEqual(t.has('a'), True)
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tester.assertEqual(t.has('c'), False)
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tester.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])),
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[True, True, False, False, True, False, True, False])
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tester.assertEqual(list(t.has_multi(iter(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']))),
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[True, True, False, False, True, False, True, False])
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tester.assertEqual(t.get('a').read(), open('a').read())
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content_f = t.get_multi(files)
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for path,f in zip(files, content_f):
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tester.assertEqual(open(path).read(), f.read())
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content_f = t.get_multi(iter(files))
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for path,f in zip(files, content_f):
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tester.assertEqual(open(path).read(), f.read())
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tester.assertRaises(NoSuchFile, t.get, 'c')
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files = list(t.get_multi(['a', 'b', 'c']))
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tester.fail('Failed to raise NoSuchFile for missing file in get_multi')
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files = list(t.get_multi(iter(['a', 'b', 'c', 'e'])))
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tester.fail('Failed to raise NoSuchFile for missing file in get_multi')
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open('c', 'wb').write('some text for c\n')
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t.put('c', 'some text for c\n')
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tester.assert_(os.path.exists('c'))
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tester.assertEqual(open('c').read(), 'some text for c\n')
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tester.assertEqual(t.get('c').read(), 'some text for c\n')
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# Make sure 'has' is updated
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tester.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])),
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[True, True, True, False, True, False, True, False])
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open('a', 'wb').write('new\ncontents for\na\n')
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open('d', 'wb').write('contents\nfor d\n')
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# Put also replaces contents
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tester.assertEqual(t.put_multi([('a', 'new\ncontents for\na\n'),
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('d', 'contents\nfor d\n')]),
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tester.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])),
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[True, True, True, True, True, False, True, False])
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tester.assertEqual(open('a').read(), 'new\ncontents for\na\n')
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tester.assertEqual(open('d').read(), 'contents\nfor d\n')
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open('a', 'wb').write('diff\ncontents for\na\n')
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open('d', 'wb').write('another contents\nfor d\n')
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t.put_multi(iter([('a', 'diff\ncontents for\na\n'),
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('d', 'another contents\nfor d\n')]))
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tester.assertEqual(open('a').read(), 'diff\ncontents for\na\n')
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tester.assertEqual(open('d').read(), 'another contents\nfor d\n')
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tester.assertRaises(NoSuchFile, t.put, 'path/doesnt/exist/c', 'contents')
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tester.assertEqual(t.has('dir_a'), True)
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tester.assertEqual(t.has('dir_b'), False)
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tester.assertEqual(t.has('dir_b'), True)
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tester.assert_(os.path.isdir('dir_b'))
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t.mkdir_multi(['dir_c', 'dir_d'])
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tester.assertEqual(list(t.has_multi(['dir_a', 'dir_b', 'dir_c', 'dir_d', 'dir_e', 'dir_b'])),
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[True, True, True, True, False, True])
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for d in ['dir_a', 'dir_b', 'dir_c', 'dir_d']:
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tester.assert_(os.path.isdir(d))
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tester.assertRaises(NoSuchFile, t.mkdir, 'path/doesnt/exist')
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tester.assertRaises(FileExists, t.mkdir, 'dir_a') # Creating a directory again should fail
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# Make sure the transport recognizes when a
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# directory is created by other means
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# Caching Transports will fail, because dir_e was already seen not
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# to exist. So instead, we will search for a new directory
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# tester.assertRaises(FileExists, t.mkdir, 'dir_e')
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tester.assertRaises(FileExists, t.mkdir, 'dir_f')
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# Test get/put in sub-directories
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open('dir_a/a', 'wb').write('contents of dir_a/a')
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open('dir_b/b', 'wb').write('contents of dir_b/b')
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t.put_multi([('dir_a/a', 'contents of dir_a/a'),
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('dir_b/b', 'contents of dir_b/b')])
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for f in ('dir_a/a', 'dir_b/b'):
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tester.assertEqual(t.get(f).read(), open(f).read())
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dtmp = tempfile.mkdtemp(dir='.', prefix='test-transport-')
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dtmp_base = os.path.basename(dtmp)
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local_t = LocalTransport(dtmp)
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files = ['a', 'b', 'c', 'd']
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t.copy_to(files, local_t)
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tester.assertEquals(open(f).read(), open(os.path.join(dtmp_base, f)).read())
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# TODO: Make sure all entries support file-like objects as well as strings.
167
class LocalTransportTest(TestCaseInTempDir):
168
def test_local_transport(self):
169
from bzrlib.transport.local import LocalTransport
171
t = LocalTransport('.')
172
test_transport(self, t)
174
class HttpServer(object):
175
"""This just encapsulates spawning and stopping
179
"""This just spawns a separate process to serve files from
180
this directory. Call the .stop() function to kill the
183
from BaseHTTPServer import HTTPServer
184
from SimpleHTTPServer import SimpleHTTPRequestHandler
186
if hasattr(os, 'fork'):
190
else: # How do we handle windows, which doesn't have fork?
191
raise NotImplementedError('At present HttpServer cannot fork on Windows')
193
# We might be able to do something like os.spawn() for the
194
# python executable, and give it a simple script to run.
195
# but then how do we kill it?
198
self.s = HTTPServer(('', 9999), SimpleHTTPRequestHandler)
199
# TODO: Is there something nicer than killing the server when done?
200
self.s.serve_forever()
201
except KeyboardInterrupt:
209
if hasattr(os, 'kill'):
211
os.kill(self.pid, signal.SIGINT)
212
os.waitpid(self.pid, 0)
215
raise NotImplementedError('At present HttpServer cannot stop on Windows')
217
class HttpTransportTest(TestCaseInTempDir):
218
def test_http_transport(self):
219
from bzrlib.transport.http import HttpTransport
223
t = HttpTransport('http://localhost:9999/')
224
test_transport(self, t, readonly=True)
515
super(TestTransportImplementation, self).setUp()
516
self._server = self.transport_server()
520
super(TestTransportImplementation, self).tearDown()
521
self._server.tearDown()
523
def get_transport(self):
524
"""Return a connected transport to the local directory."""
525
base_url = self._server.get_url()
526
# try getting the transport via the regular interface:
527
t = get_transport(base_url)
528
if not isinstance(t, self.transport_class):
529
# we did not get the correct transport class type. Override the
530
# regular connection behaviour by direct construction.
531
t = self.transport_class(base_url)
535
class TestLocalTransports(TestCase):
537
def test_get_transport_from_abspath(self):
538
here = os.path.abspath('.')
539
t = get_transport(here)
540
self.assertIsInstance(t, LocalTransport)
541
self.assertEquals(t.base, urlutils.local_path_to_url(here) + '/')
543
def test_get_transport_from_relpath(self):
544
here = os.path.abspath('.')
545
t = get_transport('.')
546
self.assertIsInstance(t, LocalTransport)
547
self.assertEquals(t.base, urlutils.local_path_to_url('.') + '/')
549
def test_get_transport_from_local_url(self):
550
here = os.path.abspath('.')
551
here_url = urlutils.local_path_to_url(here) + '/'
552
t = get_transport(here_url)
553
self.assertIsInstance(t, LocalTransport)
554
self.assertEquals(t.base, here_url)
557
class TestWin32LocalTransport(TestCase):
559
def test_unc_clone_to_root(self):
560
# Win32 UNC path like \\HOST\path
561
# clone to root should stop at least at \\HOST part
563
t = EmulatedWin32LocalTransport('file://HOST/path/to/some/dir/')
566
self.assertEquals(t.base, 'file://HOST/')
567
# make sure we reach the root
569
self.assertEquals(t.base, 'file://HOST/')
added
removed
bzrlib/tests/test_transport.py
