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# Copyright (C) 2004, 2005 by Canonical Ltd
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# Copyright (C) 2004, 2005, 2006 by 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 NoSuchFile, FileExists, TransportNotPossible
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from bzrlib.selftest import TestCase, TestCaseInTempDir
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from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
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from bzrlib.transport import memory, urlescape
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"""Append the given text (file-like object) to the supplied filename."""
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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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class TestTransport(TestCase):
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"""Test the non transport-concrete class functionality."""
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def test_urlescape(self):
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self.assertEqual('%25', urlescape('%'))
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class TestTransportMixIn(object):
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"""Subclass this, and it will provide a series of tests for a Transport.
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It 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.
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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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def get_transport(self):
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"""Children should override this to return the Transport object.
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raise NotImplementedError
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t = self.get_transport()
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files = ['a', 'b', 'e', 'g', '%']
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self.build_tree(files)
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self.assertEqual(t.has('a'), True)
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self.assertEqual(t.has('c'), False)
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self.assertEqual(t.has(urlescape('%')), True)
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self.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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self.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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t = self.get_transport()
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files = ['a', 'b', 'e', 'g']
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self.build_tree(files)
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self.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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self.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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self.assertEqual(open(path).read(), f.read())
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self.assertRaises(NoSuchFile, t.get, 'c')
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files = list(t.get_multi(['a', 'b', 'c']))
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self.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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self.fail('Failed to raise NoSuchFile for missing file in get_multi')
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t = self.get_transport()
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self.assertRaises(TransportNotPossible,
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t.put, 'a', 'some text for a\n')
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open('a', 'wb').write('some text for a\n')
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t.put('a', 'some text for a\n')
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self.assert_(os.path.exists('a'))
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self.check_file_contents('a', 'some text for a\n')
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self.assertEqual(t.get('a').read(), 'some text for a\n')
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# Make sure 'has' is updated
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self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
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[True, False, False, False, False])
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self.assertRaises(TransportNotPossible,
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[('a', 'new\ncontents for\na\n'),
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('d', 'contents\nfor d\n')])
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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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self.assertEqual(t.put_multi([('a', 'new\ncontents for\na\n'),
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('d', 'contents\nfor d\n')]),
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self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
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[True, False, False, True, False])
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self.check_file_contents('a', 'new\ncontents for\na\n')
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self.check_file_contents('d', 'contents\nfor d\n')
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self.assertRaises(TransportNotPossible,
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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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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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self.check_file_contents('a', 'diff\ncontents for\na\n')
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self.check_file_contents('d', 'another contents\nfor d\n')
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self.assertRaises(TransportNotPossible,
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t.put, 'path/doesnt/exist/c', 'contents')
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self.assertRaises(NoSuchFile,
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t.put, 'path/doesnt/exist/c', 'contents')
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def test_put_file(self):
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t = self.get_transport()
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# Test that StringIO can be used as a file-like object with put
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f1 = StringIO('this is a string\nand some more stuff\n')
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open('f1', 'wb').write(f1.read())
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self.check_file_contents('f1',
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'this is a string\nand some more stuff\n')
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f2 = StringIO('here is some text\nand a bit more\n')
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f3 = StringIO('some text for the\nthird file created\n')
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open('f2', 'wb').write(f2.read())
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open('f3', 'wb').write(f3.read())
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t.put_multi([('f2', f2), ('f3', f3)])
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self.check_file_contents('f2', 'here is some text\nand a bit more\n')
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self.check_file_contents('f3', 'some text for the\nthird file created\n')
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# Test that an actual file object can be used with put
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f4 = open('f1', 'rb')
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open('f4', 'wb').write(f4.read())
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self.check_file_contents('f4',
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'this is a string\nand some more stuff\n')
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f5 = open('f2', 'rb')
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f6 = open('f3', 'rb')
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open('f5', 'wb').write(f5.read())
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open('f6', 'wb').write(f6.read())
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t.put_multi([('f5', f5), ('f6', f6)])
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self.check_file_contents('f5', 'here is some text\nand a bit more\n')
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self.check_file_contents('f6', 'some text for the\nthird file created\n')
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def test_mkdir(self):
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t = self.get_transport()
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self.assertEqual(t.has('dir_a'), True)
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self.assertEqual(t.has('dir_b'), False)
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self.assertRaises(TransportNotPossible,
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self.assertEqual(t.has('dir_b'), True)
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self.assert_(os.path.isdir('dir_b'))
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self.assertRaises(TransportNotPossible,
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t.mkdir_multi, ['dir_c', 'dir_d'])
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t.mkdir_multi(['dir_c', 'dir_d'])
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self.assertRaises(TransportNotPossible,
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t.mkdir_multi, iter(['dir_e', 'dir_f']))
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t.mkdir_multi(iter(['dir_e', 'dir_f']))
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self.assertEqual(list(t.has_multi(
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['dir_a', 'dir_b', 'dir_c', 'dir_q',
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'dir_d', 'dir_e', 'dir_f', 'dir_b'])),
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[True, True, True, False,
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True, True, True, True])
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for d in ['dir_a', 'dir_b', 'dir_c', 'dir_d', 'dir_e', 'dir_f']:
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self.assert_(os.path.isdir(d))
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if not self.readonly:
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self.assertRaises(NoSuchFile, t.mkdir, 'path/doesnt/exist')
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self.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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#if not self.readonly:
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# self.assertRaises(FileExists, t.mkdir, 'dir_e')
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if not self.readonly:
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self.assertRaises(FileExists, t.mkdir, 'dir_g')
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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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self.assertEqual(t.get(f).read(), open(f).read())
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def test_copy_to(self):
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from bzrlib.transport.local import LocalTransport
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t = self.get_transport()
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files = ['a', 'b', 'c', 'd']
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self.build_tree(files)
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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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t.copy_to(files, local_t)
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self.assertEquals(open(f).read(),
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open(os.path.join(dtmp_base, f)).read())
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del dtmp, dtmp_base, local_t
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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(iter(files), local_t)
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self.assertEquals(open(f).read(),
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open(os.path.join(dtmp_base, f)).read())
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del dtmp, dtmp_base, local_t
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def test_append(self):
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t = self.get_transport()
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open('a', 'wb').write('diff\ncontents for\na\n')
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open('b', 'wb').write('contents\nfor b\n')
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('a', 'diff\ncontents for\na\n'),
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('b', 'contents\nfor b\n')
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self.assertRaises(TransportNotPossible,
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t.append, 'a', 'add\nsome\nmore\ncontents\n')
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_append('a', 'add\nsome\nmore\ncontents\n')
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t.append('a', 'add\nsome\nmore\ncontents\n')
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self.check_file_contents('a',
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'diff\ncontents for\na\nadd\nsome\nmore\ncontents\n')
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self.assertRaises(TransportNotPossible,
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[('a', 'and\nthen\nsome\nmore\n'),
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('b', 'some\nmore\nfor\nb\n')])
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_append('a', 'and\nthen\nsome\nmore\n')
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_append('b', 'some\nmore\nfor\nb\n')
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t.append_multi([('a', 'and\nthen\nsome\nmore\n'),
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('b', 'some\nmore\nfor\nb\n')])
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self.check_file_contents('a',
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'diff\ncontents for\na\n'
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'add\nsome\nmore\ncontents\n'
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'and\nthen\nsome\nmore\n')
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self.check_file_contents('b',
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'some\nmore\nfor\nb\n')
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_append('a', 'a little bit more\n')
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_append('b', 'from an iterator\n')
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t.append_multi(iter([('a', 'a little bit more\n'),
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('b', 'from an iterator\n')]))
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self.check_file_contents('a',
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'diff\ncontents for\na\n'
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'add\nsome\nmore\ncontents\n'
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'and\nthen\nsome\nmore\n'
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'a little bit more\n')
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self.check_file_contents('b',
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'some\nmore\nfor\nb\n'
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'from an iterator\n')
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def test_append_file(self):
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t = self.get_transport()
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('f1', 'this is a string\nand some more stuff\n'),
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('f2', 'here is some text\nand a bit more\n'),
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('f3', 'some text for the\nthird file created\n'),
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('f4', 'this is a string\nand some more stuff\n'),
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('f5', 'here is some text\nand a bit more\n'),
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('f6', 'some text for the\nthird file created\n')
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for f, val in contents:
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open(f, 'wb').write(val)
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t.put_multi(contents)
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a1 = StringIO('appending to\none\n')
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_append('f1', a1.read())
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self.check_file_contents('f1',
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'this is a string\nand some more stuff\n'
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'appending to\none\n')
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a2 = StringIO('adding more\ntext to two\n')
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a3 = StringIO('some garbage\nto put in three\n')
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_append('f2', a2.read())
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_append('f3', a3.read())
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t.append_multi([('f2', a2), ('f3', a3)])
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self.check_file_contents('f2',
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'here is some text\nand a bit more\n'
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'adding more\ntext to two\n')
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self.check_file_contents('f3',
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'some text for the\nthird file created\n'
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'some garbage\nto put in three\n')
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# Test that an actual file object can be used with put
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a4 = open('f1', 'rb')
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_append('f4', a4.read())
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self.check_file_contents('f4',
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'this is a string\nand some more stuff\n'
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'this is a string\nand some more stuff\n'
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'appending to\none\n')
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a5 = open('f2', 'rb')
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a6 = open('f3', 'rb')
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_append('f5', a5.read())
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_append('f6', a6.read())
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t.append_multi([('f5', a5), ('f6', a6)])
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self.check_file_contents('f5',
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'here is some text\nand a bit more\n'
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'here is some text\nand a bit more\n'
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'adding more\ntext to two\n')
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self.check_file_contents('f6',
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'some text for the\nthird file created\n'
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'some text for the\nthird file created\n'
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'some garbage\nto put in three\n')
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def test_delete(self):
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# TODO: Test Transport.delete
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# TODO: Test Transport.move
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class LocalTransportTest(TestCaseInTempDir, TestTransportMixIn):
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def get_transport(self):
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from bzrlib.transport.local import LocalTransport
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return LocalTransport('.')
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class HttpTransportTest(TestCaseWithWebserver, TestTransportMixIn):
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def get_transport(self):
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from bzrlib.transport.http import HttpTransport
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url = self.get_remote_url('.')
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return HttpTransport(url)
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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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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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165
def test_get_transport(self):
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memory.MemoryTransport()
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def test_clone(self):
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transport = memory.MemoryTransport()
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self.failUnless(transport.clone() is transport)
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transport = MemoryTransport()
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self.assertTrue(isinstance(transport, MemoryTransport))
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def test_abspath(self):
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transport = memory.MemoryTransport()
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self.assertEqual("in-memory:relpath", transport.abspath('relpath'))
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transport = MemoryTransport()
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self.assertEqual("memory:///relpath", transport.abspath('relpath'))
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def test_relpath(self):
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transport = memory.MemoryTransport()
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transport = MemoryTransport()
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def test_append_and_get(self):
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transport = memory.MemoryTransport()
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transport = MemoryTransport()
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transport.append('path', StringIO('content'))
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self.assertEqual(transport.get('path').read(), 'content')
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transport.append('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 = memory.MemoryTransport()
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transport = MemoryTransport()
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transport.put('path', StringIO('content'))
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self.assertEqual(transport.get('path').read(), 'content')
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transport.put('path', StringIO('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 = memory.MemoryTransport()
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile,
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transport.append, 'dir/path', StringIO('content'))
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def test_put_without_dir_fails(self):
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transport = memory.MemoryTransport()
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transport = MemoryTransport()
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self.assertRaises(NoSuchFile,
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transport.put, 'dir/path', StringIO('content'))
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def test_get_missing(self):
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transport = memory.MemoryTransport()
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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 = memory.MemoryTransport()
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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):
519
transport = memory.MemoryTransport()
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transport = MemoryTransport()
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transport.append('foo', StringIO('content'))
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self.assertEquals(True, transport.has('foo'))
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def test_mkdir(self):
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transport = memory.MemoryTransport()
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transport = MemoryTransport()
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transport.mkdir('dir')
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transport.append('dir/path', StringIO('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 = memory.MemoryTransport()
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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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227
def test_mkdir_twice(self):
535
transport = memory.MemoryTransport()
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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 = memory.MemoryTransport()
233
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):
545
transport = memory.MemoryTransport()
239
transport = MemoryTransport()
546
240
transport.mkdir('dir')
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241
transport.put('dir/foo', StringIO('content'))
548
242
transport.put('dir/bar', StringIO('content'))
551
245
self.assertEqual(set(['dir/foo', 'dir/bar', 'bar']), paths)
553
247
def test_stat(self):
554
transport = memory.MemoryTransport()
248
transport = MemoryTransport()
555
249
transport.put('foo', StringIO('content'))
556
250
transport.put('bar', StringIO('phowar'))
557
251
self.assertEqual(7, transport.stat('foo').st_size)
558
252
self.assertEqual(6, transport.stat('bar').st_size)
255
class ReadonlyDecoratorTransportTest(TestCase):
256
"""Readonly decoration specific tests."""
258
def test_local_parameters(self):
259
import bzrlib.transport.readonly as readonly
260
# connect to . in readonly mode
261
transport = readonly.ReadonlyTransportDecorator('readonly+.')
262
self.assertEqual(True, transport.listable())
263
self.assertEqual(False, transport.should_cache())
264
self.assertEqual(True, transport.is_readonly())
266
def test_http_parameters(self):
267
import bzrlib.transport.readonly as readonly
268
from bzrlib.transport.http import HttpServer
269
# connect to . via http which is not listable
270
server = HttpServer()
273
transport = get_transport('readonly+' + server.get_url())
274
self.failUnless(isinstance(transport,
275
readonly.ReadonlyTransportDecorator))
276
self.assertEqual(False, transport.listable())
277
self.assertEqual(True, transport.should_cache())
278
self.assertEqual(True, transport.is_readonly())
283
class FakeNFSDecoratorTests(TestCaseInTempDir):
284
"""NFS decorator specific tests."""
286
def get_nfs_transport(self, url):
287
import bzrlib.transport.fakenfs as fakenfs
288
# connect to url with nfs decoration
289
return fakenfs.FakeNFSTransportDecorator('fakenfs+' + url)
291
def test_local_parameters(self):
292
# the listable, should_cache and is_readonly parameters
293
# are not changed by the fakenfs decorator
294
transport = self.get_nfs_transport('.')
295
self.assertEqual(True, transport.listable())
296
self.assertEqual(False, transport.should_cache())
297
self.assertEqual(False, transport.is_readonly())
299
def test_http_parameters(self):
300
# the listable, should_cache and is_readonly parameters
301
# are not changed by the fakenfs decorator
302
from bzrlib.transport.http import HttpServer
303
# connect to . via http which is not listable
304
server = HttpServer()
307
transport = self.get_nfs_transport(server.get_url())
308
self.assertIsInstance(
309
transport, bzrlib.transport.fakenfs.FakeNFSTransportDecorator)
310
self.assertEqual(False, transport.listable())
311
self.assertEqual(True, transport.should_cache())
312
self.assertEqual(True, transport.is_readonly())
316
def test_fakenfs_server_default(self):
317
# a FakeNFSServer() should bring up a local relpath server for itself
318
import bzrlib.transport.fakenfs as fakenfs
319
server = fakenfs.FakeNFSServer()
322
# the server should be a relpath localhost server
323
self.assertEqual(server.get_url(), 'fakenfs+.')
324
# and we should be able to get a transport for it
325
transport = get_transport(server.get_url())
326
# which must be a FakeNFSTransportDecorator instance.
327
self.assertIsInstance(
328
transport, fakenfs.FakeNFSTransportDecorator)
332
def test_fakenfs_rename_semantics(self):
333
# a FakeNFS transport must mangle the way rename errors occur to
334
# look like NFS problems.
335
transport = self.get_nfs_transport('.')
336
self.build_tree(['from/', 'from/foo', 'to/', 'to/bar'],
338
self.assertRaises(bzrlib.errors.ResourceBusy,
339
transport.rename, 'from', 'to')
342
class FakeVFATDecoratorTests(TestCaseInTempDir):
343
"""Tests for simulation of VFAT restrictions"""
345
def get_vfat_transport(self, url):
346
"""Return vfat-backed transport for test directory"""
347
from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
348
return FakeVFATTransportDecorator('vfat+' + url)
350
def test_transport_creation(self):
351
from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
352
transport = self.get_vfat_transport('.')
353
self.assertIsInstance(transport, FakeVFATTransportDecorator)
355
def test_transport_mkdir(self):
356
transport = self.get_vfat_transport('.')
357
transport.mkdir('HELLO')
358
self.assertTrue(transport.has('hello'))
359
self.assertTrue(transport.has('Hello'))
361
def test_forbidden_chars(self):
362
transport = self.get_vfat_transport('.')
363
self.assertRaises(ValueError, transport.has, "<NU>")
366
class BadTransportHandler(Transport):
367
def __init__(self, base_url):
368
raise DependencyNotPresent('some_lib', 'testing missing dependency')
371
class BackupTransportHandler(Transport):
372
"""Test transport that works as a backup for the BadTransportHandler"""
376
class TestTransportImplementation(TestCaseInTempDir):
377
"""Implementation verification for transports.
379
To verify a transport we need a server factory, which is a callable
380
that accepts no parameters and returns an implementation of
381
bzrlib.transport.Server.
383
That Server is then used to construct transport instances and test
384
the transport via loopback activity.
386
Currently this assumes that the Transport object is connected to the
387
current working directory. So that whatever is done
388
through the transport, should show up in the working
389
directory, and vice-versa. This is a bug, because its possible to have
390
URL schemes which provide access to something that may not be
391
result in storage on the local disk, i.e. due to file system limits, or
392
due to it being a database or some other non-filesystem tool.
394
This also tests to make sure that the functions work with both
395
generators and lists (assuming iter(list) is effectively a generator)
399
super(TestTransportImplementation, self).setUp()
400
self._server = self.transport_server()
404
super(TestTransportImplementation, self).tearDown()
405
self._server.tearDown()
407
def get_transport(self):
408
"""Return a connected transport to the local directory."""
409
base_url = self._server.get_url()
410
# try getting the transport via the regular interface:
411
t = get_transport(base_url)
412
if not isinstance(t, self.transport_class):
413
# we did not get the correct transport class type. Override the
414
# regular connection behaviour by direct construction.
415
t = self.transport_class(base_url)
added
removed
bzrlib/tests/test_transport.py
