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# Copyright (C) 2004, 2005, 2006 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import sys
import stat
from cStringIO import StringIO
import bzrlib
from bzrlib.errors import (NoSuchFile, FileExists,
TransportNotPossible,
ConnectionError,
DependencyNotPresent,
UnsupportedProtocol,
)
from bzrlib.tests import TestCase, TestCaseInTempDir
from bzrlib.transport import (_get_protocol_handlers,
_get_transport_modules,
get_transport,
register_lazy_transport,
_set_protocol_handlers,
Transport,
)
from bzrlib.transport.memory import MemoryTransport
from bzrlib.transport.local import LocalTransport
class TestTransport(TestCase):
"""Test the non transport-concrete class functionality."""
def test__get_set_protocol_handlers(self):
handlers = _get_protocol_handlers()
self.assertNotEqual({}, handlers)
try:
_set_protocol_handlers({})
self.assertEqual({}, _get_protocol_handlers())
finally:
_set_protocol_handlers(handlers)
def test_get_transport_modules(self):
handlers = _get_protocol_handlers()
class SampleHandler(object):
"""I exist, isnt that enough?"""
try:
my_handlers = {}
_set_protocol_handlers(my_handlers)
register_lazy_transport('foo', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
register_lazy_transport('bar', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
self.assertEqual([SampleHandler.__module__],
_get_transport_modules())
finally:
_set_protocol_handlers(handlers)
def test_transport_dependency(self):
"""Transport with missing dependency causes no error"""
saved_handlers = _get_protocol_handlers()
try:
register_lazy_transport('foo', 'bzrlib.tests.test_transport',
'BadTransportHandler')
try:
get_transport('foo://fooserver/foo')
except UnsupportedProtocol, e:
e_str = str(e)
self.assertEquals('Unsupported protocol'
' for url "foo://fooserver/foo":'
' Unable to import library "some_lib":'
' testing missing dependency', str(e))
else:
self.fail('Did not raise UnsupportedProtocol')
finally:
# restore original values
_set_protocol_handlers(saved_handlers)
def test_transport_fallback(self):
"""Transport with missing dependency causes no error"""
saved_handlers = _get_protocol_handlers()
try:
_set_protocol_handlers({})
register_lazy_transport('foo', 'bzrlib.tests.test_transport',
'BackupTransportHandler')
register_lazy_transport('foo', 'bzrlib.tests.test_transport',
'BadTransportHandler')
t = get_transport('foo://fooserver/foo')
self.assertTrue(isinstance(t, BackupTransportHandler))
finally:
_set_protocol_handlers(saved_handlers)
class TestMemoryTransport(TestCase):
def test_get_transport(self):
MemoryTransport()
def test_clone(self):
transport = MemoryTransport()
self.assertTrue(isinstance(transport, MemoryTransport))
def test_abspath(self):
transport = MemoryTransport()
self.assertEqual("memory:///relpath", transport.abspath('relpath'))
def test_relpath(self):
transport = MemoryTransport()
def test_append_and_get(self):
transport = MemoryTransport()
transport.append('path', StringIO('content'))
self.assertEqual(transport.get('path').read(), 'content')
transport.append('path', StringIO('content'))
self.assertEqual(transport.get('path').read(), 'contentcontent')
def test_put_and_get(self):
transport = MemoryTransport()
transport.put('path', StringIO('content'))
self.assertEqual(transport.get('path').read(), 'content')
transport.put('path', StringIO('content'))
self.assertEqual(transport.get('path').read(), 'content')
def test_append_without_dir_fails(self):
transport = MemoryTransport()
self.assertRaises(NoSuchFile,
transport.append, 'dir/path', StringIO('content'))
def test_put_without_dir_fails(self):
transport = MemoryTransport()
self.assertRaises(NoSuchFile,
transport.put, 'dir/path', StringIO('content'))
def test_get_missing(self):
transport = MemoryTransport()
self.assertRaises(NoSuchFile, transport.get, 'foo')
def test_has_missing(self):
transport = MemoryTransport()
self.assertEquals(False, transport.has('foo'))
def test_has_present(self):
transport = MemoryTransport()
transport.append('foo', StringIO('content'))
self.assertEquals(True, transport.has('foo'))
def test_mkdir(self):
transport = MemoryTransport()
transport.mkdir('dir')
transport.append('dir/path', StringIO('content'))
self.assertEqual(transport.get('dir/path').read(), 'content')
def test_mkdir_missing_parent(self):
transport = MemoryTransport()
self.assertRaises(NoSuchFile,
transport.mkdir, 'dir/dir')
def test_mkdir_twice(self):
transport = MemoryTransport()
transport.mkdir('dir')
self.assertRaises(FileExists, transport.mkdir, 'dir')
def test_parameters(self):
transport = MemoryTransport()
self.assertEqual(True, transport.listable())
self.assertEqual(False, transport.should_cache())
self.assertEqual(False, transport.is_readonly())
def test_iter_files_recursive(self):
transport = MemoryTransport()
transport.mkdir('dir')
transport.put('dir/foo', StringIO('content'))
transport.put('dir/bar', StringIO('content'))
transport.put('bar', StringIO('content'))
paths = set(transport.iter_files_recursive())
self.assertEqual(set(['dir/foo', 'dir/bar', 'bar']), paths)
def test_stat(self):
transport = MemoryTransport()
transport.put('foo', StringIO('content'))
transport.put('bar', StringIO('phowar'))
self.assertEqual(7, transport.stat('foo').st_size)
self.assertEqual(6, transport.stat('bar').st_size)
class ReadonlyDecoratorTransportTest(TestCase):
"""Readonly decoration specific tests."""
def test_local_parameters(self):
import bzrlib.transport.readonly as readonly
# connect to . in readonly mode
transport = readonly.ReadonlyTransportDecorator('readonly+.')
self.assertEqual(True, transport.listable())
self.assertEqual(False, transport.should_cache())
self.assertEqual(True, transport.is_readonly())
def test_http_parameters(self):
import bzrlib.transport.readonly as readonly
from bzrlib.transport.http import HttpServer
# connect to . via http which is not listable
server = HttpServer()
server.setUp()
try:
transport = get_transport('readonly+' + server.get_url())
self.failUnless(isinstance(transport,
readonly.ReadonlyTransportDecorator))
self.assertEqual(False, transport.listable())
self.assertEqual(True, transport.should_cache())
self.assertEqual(True, transport.is_readonly())
finally:
server.tearDown()
class FakeNFSDecoratorTests(TestCaseInTempDir):
"""NFS decorator specific tests."""
def get_nfs_transport(self, url):
import bzrlib.transport.fakenfs as fakenfs
# connect to url with nfs decoration
return fakenfs.FakeNFSTransportDecorator('fakenfs+' + url)
def test_local_parameters(self):
# the listable, should_cache and is_readonly parameters
# are not changed by the fakenfs decorator
transport = self.get_nfs_transport('.')
self.assertEqual(True, transport.listable())
self.assertEqual(False, transport.should_cache())
self.assertEqual(False, transport.is_readonly())
def test_http_parameters(self):
# the listable, should_cache and is_readonly parameters
# are not changed by the fakenfs decorator
from bzrlib.transport.http import HttpServer
# connect to . via http which is not listable
server = HttpServer()
server.setUp()
try:
transport = self.get_nfs_transport(server.get_url())
self.assertIsInstance(
transport, bzrlib.transport.fakenfs.FakeNFSTransportDecorator)
self.assertEqual(False, transport.listable())
self.assertEqual(True, transport.should_cache())
self.assertEqual(True, transport.is_readonly())
finally:
server.tearDown()
def test_fakenfs_server_default(self):
# a FakeNFSServer() should bring up a local relpath server for itself
import bzrlib.transport.fakenfs as fakenfs
server = fakenfs.FakeNFSServer()
server.setUp()
try:
# the server should be a relpath localhost server
self.assertEqual(server.get_url(), 'fakenfs+.')
# and we should be able to get a transport for it
transport = get_transport(server.get_url())
# which must be a FakeNFSTransportDecorator instance.
self.assertIsInstance(
transport, fakenfs.FakeNFSTransportDecorator)
finally:
server.tearDown()
def test_fakenfs_rename_semantics(self):
# a FakeNFS transport must mangle the way rename errors occur to
# look like NFS problems.
transport = self.get_nfs_transport('.')
self.build_tree(['from/', 'from/foo', 'to/', 'to/bar'],
transport=transport)
self.assertRaises(bzrlib.errors.ResourceBusy,
transport.rename, 'from', 'to')
class FakeVFATDecoratorTests(TestCaseInTempDir):
"""Tests for simulation of VFAT restrictions"""
def get_vfat_transport(self, url):
"""Return vfat-backed transport for test directory"""
from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
return FakeVFATTransportDecorator('vfat+' + url)
def test_transport_creation(self):
from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
transport = self.get_vfat_transport('.')
self.assertIsInstance(transport, FakeVFATTransportDecorator)
def test_transport_mkdir(self):
transport = self.get_vfat_transport('.')
transport.mkdir('HELLO')
self.assertTrue(transport.has('hello'))
self.assertTrue(transport.has('Hello'))
def test_forbidden_chars(self):
transport = self.get_vfat_transport('.')
self.assertRaises(ValueError, transport.has, "<NU>")
class BadTransportHandler(Transport):
def __init__(self, base_url):
raise DependencyNotPresent('some_lib', 'testing missing dependency')
class BackupTransportHandler(Transport):
"""Test transport that works as a backup for the BadTransportHandler"""
pass
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