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# Copyright (C) 2005-2011 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for Transport implementations.
Transport implementations tested here are supplied by
TransportTestProviderAdapter.
"""
import itertools
import os
from cStringIO import StringIO
from StringIO import StringIO as pyStringIO
import stat
import sys
from bzrlib import (
errors,
osutils,
pyutils,
tests,
transport as _mod_transport,
urlutils,
)
from bzrlib.errors import (ConnectionError,
FileExists,
InvalidURL,
NoSuchFile,
PathError,
TransportNotPossible,
)
from bzrlib.osutils import getcwd
from bzrlib.smart import medium
from bzrlib.tests import (
TestSkipped,
TestNotApplicable,
multiply_tests,
)
from bzrlib.tests import test_server
from bzrlib.tests.test_transport import TestTransportImplementation
from bzrlib.transport import (
ConnectedTransport,
Transport,
_get_transport_modules,
)
from bzrlib.transport.memory import MemoryTransport
from bzrlib.transport.remote import RemoteTransport
def get_transport_test_permutations(module):
"""Get the permutations module wants to have tested."""
if getattr(module, 'get_test_permutations', None) is None:
raise AssertionError(
"transport module %s doesn't provide get_test_permutations()"
% module.__name__)
return []
return module.get_test_permutations()
def transport_test_permutations():
"""Return a list of the klass, server_factory pairs to test."""
result = []
for module in _get_transport_modules():
try:
permutations = get_transport_test_permutations(
pyutils.get_named_object(module))
for (klass, server_factory) in permutations:
scenario = ('%s,%s' % (klass.__name__, server_factory.__name__),
{"transport_class":klass,
"transport_server":server_factory})
result.append(scenario)
except errors.DependencyNotPresent, e:
# Continue even if a dependency prevents us
# from adding this test
pass
return result
def load_tests(standard_tests, module, loader):
"""Multiply tests for tranport implementations."""
result = loader.suiteClass()
scenarios = transport_test_permutations()
return multiply_tests(standard_tests, scenarios, result)
class TransportTests(TestTransportImplementation):
def setUp(self):
super(TransportTests, self).setUp()
self.overrideEnv('BZR_NO_SMART_VFS', None)
def check_transport_contents(self, content, transport, relpath):
"""Check that transport.get_bytes(relpath) == content."""
self.assertEqualDiff(content, transport.get_bytes(relpath))
def test_ensure_base_missing(self):
""".ensure_base() should create the directory if it doesn't exist"""
t = self.get_transport()
t_a = t.clone('a')
if t_a.is_readonly():
self.assertRaises(TransportNotPossible,
t_a.ensure_base)
return
self.assertTrue(t_a.ensure_base())
self.assertTrue(t.has('a'))
def test_ensure_base_exists(self):
""".ensure_base() should just be happy if it already exists"""
t = self.get_transport()
if t.is_readonly():
return
t.mkdir('a')
t_a = t.clone('a')
# ensure_base returns False if it didn't create the base
self.assertFalse(t_a.ensure_base())
def test_ensure_base_missing_parent(self):
""".ensure_base() will fail if the parent dir doesn't exist"""
t = self.get_transport()
if t.is_readonly():
return
t_a = t.clone('a')
t_b = t_a.clone('b')
self.assertRaises(NoSuchFile, t_b.ensure_base)
def test_external_url(self):
""".external_url either works or raises InProcessTransport."""
t = self.get_transport()
try:
t.external_url()
except errors.InProcessTransport:
pass
def test_has(self):
t = self.get_transport()
files = ['a', 'b', 'e', 'g', '%']
self.build_tree(files, transport=t)
self.assertEqual(True, t.has('a'))
self.assertEqual(False, t.has('c'))
self.assertEqual(True, t.has(urlutils.escape('%')))
self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd',
'e', 'f', 'g', 'h'])),
[True, True, False, False,
True, False, True, False])
self.assertEqual(True, t.has_any(['a', 'b', 'c']))
self.assertEqual(False, t.has_any(['c', 'd', 'f',
urlutils.escape('%%')]))
self.assertEqual(list(t.has_multi(iter(['a', 'b', 'c', 'd',
'e', 'f', 'g', 'h']))),
[True, True, False, False,
True, False, True, False])
self.assertEqual(False, t.has_any(['c', 'c', 'c']))
self.assertEqual(True, t.has_any(['b', 'b', 'b']))
def test_has_root_works(self):
if self.transport_server is test_server.SmartTCPServer_for_testing:
raise TestNotApplicable(
"SmartTCPServer_for_testing intentionally does not allow "
"access to /.")
current_transport = self.get_transport()
self.assertTrue(current_transport.has('/'))
root = current_transport.clone('/')
self.assertTrue(root.has(''))
def test_get(self):
t = self.get_transport()
files = ['a', 'b', 'e', 'g']
contents = ['contents of a\n',
'contents of b\n',
'contents of e\n',
'contents of g\n',
]
self.build_tree(files, transport=t, line_endings='binary')
self.check_transport_contents('contents of a\n', t, 'a')
content_f = t.get_multi(files)
# Use itertools.izip() instead of use zip() or map(), since they fully
# evaluate their inputs, the transport requests should be issued and
# handled sequentially (we don't want to force transport to buffer).
for content, f in itertools.izip(contents, content_f):
self.assertEqual(content, f.read())
content_f = t.get_multi(iter(files))
# Use itertools.izip() for the same reason
for content, f in itertools.izip(contents, content_f):
self.assertEqual(content, f.read())
def test_get_unknown_file(self):
t = self.get_transport()
files = ['a', 'b']
contents = ['contents of a\n',
'contents of b\n',
]
self.build_tree(files, transport=t, line_endings='binary')
self.assertRaises(NoSuchFile, t.get, 'c')
def iterate_and_close(func, *args):
for f in func(*args):
# We call f.read() here because things like paramiko actually
# spawn a thread to prefetch the content, which we want to
# consume before we close the handle.
content = f.read()
f.close()
self.assertRaises(NoSuchFile, iterate_and_close,
t.get_multi, ['a', 'b', 'c'])
self.assertRaises(NoSuchFile, iterate_and_close,
t.get_multi, iter(['a', 'b', 'c']))
def test_get_directory_read_gives_ReadError(self):
"""consistent errors for read() on a file returned by get()."""
t = self.get_transport()
if t.is_readonly():
self.build_tree(['a directory/'])
else:
t.mkdir('a%20directory')
# getting the file must either work or fail with a PathError
try:
a_file = t.get('a%20directory')
except (errors.PathError, errors.RedirectRequested):
# early failure return immediately.
return
# having got a file, read() must either work (i.e. http reading a dir
# listing) or fail with ReadError
try:
a_file.read()
except errors.ReadError:
pass
def test_get_bytes(self):
t = self.get_transport()
files = ['a', 'b', 'e', 'g']
contents = ['contents of a\n',
'contents of b\n',
'contents of e\n',
'contents of g\n',
]
self.build_tree(files, transport=t, line_endings='binary')
self.check_transport_contents('contents of a\n', t, 'a')
for content, fname in zip(contents, files):
self.assertEqual(content, t.get_bytes(fname))
def test_get_bytes_unknown_file(self):
t = self.get_transport()
self.assertRaises(NoSuchFile, t.get_bytes, 'c')
def test_get_with_open_write_stream_sees_all_content(self):
t = self.get_transport()
if t.is_readonly():
return
handle = t.open_write_stream('foo')
try:
handle.write('b')
self.assertEqual('b', t.get_bytes('foo'))
finally:
handle.close()
def test_get_bytes_with_open_write_stream_sees_all_content(self):
t = self.get_transport()
if t.is_readonly():
return
handle = t.open_write_stream('foo')
try:
handle.write('b')
self.assertEqual('b', t.get_bytes('foo'))
f = t.get('foo')
try:
self.assertEqual('b', f.read())
finally:
f.close()
finally:
handle.close()
def test_put_bytes(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.put_bytes, 'a', 'some text for a\n')
return
t.put_bytes('a', 'some text for a\n')
self.assertTrue(t.has('a'))
self.check_transport_contents('some text for a\n', t, 'a')
# The contents should be overwritten
t.put_bytes('a', 'new text for a\n')
self.check_transport_contents('new text for a\n', t, 'a')
self.assertRaises(NoSuchFile,
t.put_bytes, 'path/doesnt/exist/c', 'contents')
def test_put_bytes_non_atomic(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.put_bytes_non_atomic, 'a', 'some text for a\n')
return
self.assertFalse(t.has('a'))
t.put_bytes_non_atomic('a', 'some text for a\n')
self.assertTrue(t.has('a'))
self.check_transport_contents('some text for a\n', t, 'a')
# Put also replaces contents
t.put_bytes_non_atomic('a', 'new\ncontents for\na\n')
self.check_transport_contents('new\ncontents for\na\n', t, 'a')
# Make sure we can create another file
t.put_bytes_non_atomic('d', 'contents for\nd\n')
# And overwrite 'a' with empty contents
t.put_bytes_non_atomic('a', '')
self.check_transport_contents('contents for\nd\n', t, 'd')
self.check_transport_contents('', t, 'a')
self.assertRaises(NoSuchFile, t.put_bytes_non_atomic, 'no/such/path',
'contents\n')
# Now test the create_parent flag
self.assertRaises(NoSuchFile, t.put_bytes_non_atomic, 'dir/a',
'contents\n')
self.assertFalse(t.has('dir/a'))
t.put_bytes_non_atomic('dir/a', 'contents for dir/a\n',
create_parent_dir=True)
self.check_transport_contents('contents for dir/a\n', t, 'dir/a')
# But we still get NoSuchFile if we can't make the parent dir
self.assertRaises(NoSuchFile, t.put_bytes_non_atomic, 'not/there/a',
'contents\n',
create_parent_dir=True)
def test_put_bytes_permissions(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# Can't roundtrip, so no need to run this test
return
t.put_bytes('mode644', 'test text\n', mode=0644)
self.assertTransportMode(t, 'mode644', 0644)
t.put_bytes('mode666', 'test text\n', mode=0666)
self.assertTransportMode(t, 'mode666', 0666)
t.put_bytes('mode600', 'test text\n', mode=0600)
self.assertTransportMode(t, 'mode600', 0600)
# Yes, you can put_bytes a file such that it becomes readonly
t.put_bytes('mode400', 'test text\n', mode=0400)
self.assertTransportMode(t, 'mode400', 0400)
# The default permissions should be based on the current umask
umask = osutils.get_umask()
t.put_bytes('nomode', 'test text\n', mode=None)
self.assertTransportMode(t, 'nomode', 0666 & ~umask)
def test_put_bytes_non_atomic_permissions(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# Can't roundtrip, so no need to run this test
return
t.put_bytes_non_atomic('mode644', 'test text\n', mode=0644)
self.assertTransportMode(t, 'mode644', 0644)
t.put_bytes_non_atomic('mode666', 'test text\n', mode=0666)
self.assertTransportMode(t, 'mode666', 0666)
t.put_bytes_non_atomic('mode600', 'test text\n', mode=0600)
self.assertTransportMode(t, 'mode600', 0600)
t.put_bytes_non_atomic('mode400', 'test text\n', mode=0400)
self.assertTransportMode(t, 'mode400', 0400)
# The default permissions should be based on the current umask
umask = osutils.get_umask()
t.put_bytes_non_atomic('nomode', 'test text\n', mode=None)
self.assertTransportMode(t, 'nomode', 0666 & ~umask)
# We should also be able to set the mode for a parent directory
# when it is created
t.put_bytes_non_atomic('dir700/mode664', 'test text\n', mode=0664,
dir_mode=0700, create_parent_dir=True)
self.assertTransportMode(t, 'dir700', 0700)
t.put_bytes_non_atomic('dir770/mode664', 'test text\n', mode=0664,
dir_mode=0770, create_parent_dir=True)
self.assertTransportMode(t, 'dir770', 0770)
t.put_bytes_non_atomic('dir777/mode664', 'test text\n', mode=0664,
dir_mode=0777, create_parent_dir=True)
self.assertTransportMode(t, 'dir777', 0777)
def test_put_file(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.put_file, 'a', StringIO('some text for a\n'))
return
result = t.put_file('a', StringIO('some text for a\n'))
# put_file returns the length of the data written
self.assertEqual(16, result)
self.assertTrue(t.has('a'))
self.check_transport_contents('some text for a\n', t, 'a')
# Put also replaces contents
result = t.put_file('a', StringIO('new\ncontents for\na\n'))
self.assertEqual(19, result)
self.check_transport_contents('new\ncontents for\na\n', t, 'a')
self.assertRaises(NoSuchFile,
t.put_file, 'path/doesnt/exist/c',
StringIO('contents'))
def test_put_file_non_atomic(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.put_file_non_atomic, 'a', StringIO('some text for a\n'))
return
self.assertFalse(t.has('a'))
t.put_file_non_atomic('a', StringIO('some text for a\n'))
self.assertTrue(t.has('a'))
self.check_transport_contents('some text for a\n', t, 'a')
# Put also replaces contents
t.put_file_non_atomic('a', StringIO('new\ncontents for\na\n'))
self.check_transport_contents('new\ncontents for\na\n', t, 'a')
# Make sure we can create another file
t.put_file_non_atomic('d', StringIO('contents for\nd\n'))
# And overwrite 'a' with empty contents
t.put_file_non_atomic('a', StringIO(''))
self.check_transport_contents('contents for\nd\n', t, 'd')
self.check_transport_contents('', t, 'a')
self.assertRaises(NoSuchFile, t.put_file_non_atomic, 'no/such/path',
StringIO('contents\n'))
# Now test the create_parent flag
self.assertRaises(NoSuchFile, t.put_file_non_atomic, 'dir/a',
StringIO('contents\n'))
self.assertFalse(t.has('dir/a'))
t.put_file_non_atomic('dir/a', StringIO('contents for dir/a\n'),
create_parent_dir=True)
self.check_transport_contents('contents for dir/a\n', t, 'dir/a')
# But we still get NoSuchFile if we can't make the parent dir
self.assertRaises(NoSuchFile, t.put_file_non_atomic, 'not/there/a',
StringIO('contents\n'),
create_parent_dir=True)
def test_put_file_permissions(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# Can't roundtrip, so no need to run this test
return
t.put_file('mode644', StringIO('test text\n'), mode=0644)
self.assertTransportMode(t, 'mode644', 0644)
t.put_file('mode666', StringIO('test text\n'), mode=0666)
self.assertTransportMode(t, 'mode666', 0666)
t.put_file('mode600', StringIO('test text\n'), mode=0600)
self.assertTransportMode(t, 'mode600', 0600)
# Yes, you can put a file such that it becomes readonly
t.put_file('mode400', StringIO('test text\n'), mode=0400)
self.assertTransportMode(t, 'mode400', 0400)
# The default permissions should be based on the current umask
umask = osutils.get_umask()
t.put_file('nomode', StringIO('test text\n'), mode=None)
self.assertTransportMode(t, 'nomode', 0666 & ~umask)
def test_put_file_non_atomic_permissions(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# Can't roundtrip, so no need to run this test
return
t.put_file_non_atomic('mode644', StringIO('test text\n'), mode=0644)
self.assertTransportMode(t, 'mode644', 0644)
t.put_file_non_atomic('mode666', StringIO('test text\n'), mode=0666)
self.assertTransportMode(t, 'mode666', 0666)
t.put_file_non_atomic('mode600', StringIO('test text\n'), mode=0600)
self.assertTransportMode(t, 'mode600', 0600)
# Yes, you can put_file_non_atomic a file such that it becomes readonly
t.put_file_non_atomic('mode400', StringIO('test text\n'), mode=0400)
self.assertTransportMode(t, 'mode400', 0400)
# The default permissions should be based on the current umask
umask = osutils.get_umask()
t.put_file_non_atomic('nomode', StringIO('test text\n'), mode=None)
self.assertTransportMode(t, 'nomode', 0666 & ~umask)
# We should also be able to set the mode for a parent directory
# when it is created
sio = StringIO()
t.put_file_non_atomic('dir700/mode664', sio, mode=0664,
dir_mode=0700, create_parent_dir=True)
self.assertTransportMode(t, 'dir700', 0700)
t.put_file_non_atomic('dir770/mode664', sio, mode=0664,
dir_mode=0770, create_parent_dir=True)
self.assertTransportMode(t, 'dir770', 0770)
t.put_file_non_atomic('dir777/mode664', sio, mode=0664,
dir_mode=0777, create_parent_dir=True)
self.assertTransportMode(t, 'dir777', 0777)
def test_put_bytes_unicode(self):
# Expect put_bytes to raise AssertionError or UnicodeEncodeError if
# given unicode "bytes". UnicodeEncodeError doesn't really make sense
# (we don't want to encode unicode here at all, callers should be
# strictly passing bytes to put_bytes), but we allow it for backwards
# compatibility. At some point we should use a specific exception.
# See https://bugs.launchpad.net/bzr/+bug/106898.
t = self.get_transport()
if t.is_readonly():
return
unicode_string = u'\u1234'
self.assertRaises(
(AssertionError, UnicodeEncodeError),
t.put_bytes, 'foo', unicode_string)
def test_mkdir(self):
t = self.get_transport()
if t.is_readonly():
# cannot mkdir on readonly transports. We're not testing for
# cache coherency because cache behaviour is not currently
# defined for the transport interface.
self.assertRaises(TransportNotPossible, t.mkdir, '.')
self.assertRaises(TransportNotPossible, t.mkdir, 'new_dir')
self.assertRaises(TransportNotPossible, t.mkdir_multi, ['new_dir'])
self.assertRaises(TransportNotPossible, t.mkdir, 'path/doesnt/exist')
return
# Test mkdir
t.mkdir('dir_a')
self.assertEqual(t.has('dir_a'), True)
self.assertEqual(t.has('dir_b'), False)
t.mkdir('dir_b')
self.assertEqual(t.has('dir_b'), True)
t.mkdir_multi(['dir_c', 'dir_d'])
t.mkdir_multi(iter(['dir_e', 'dir_f']))
self.assertEqual(list(t.has_multi(
['dir_a', 'dir_b', 'dir_c', 'dir_q',
'dir_d', 'dir_e', 'dir_f', 'dir_b'])),
[True, True, True, False,
True, True, True, True])
# we were testing that a local mkdir followed by a transport
# mkdir failed thusly, but given that we * in one process * do not
# concurrently fiddle with disk dirs and then use transport to do
# things, the win here seems marginal compared to the constraint on
# the interface. RBC 20051227
t.mkdir('dir_g')
self.assertRaises(FileExists, t.mkdir, 'dir_g')
# Test get/put in sub-directories
t.put_bytes('dir_a/a', 'contents of dir_a/a')
t.put_file('dir_b/b', StringIO('contents of dir_b/b'))
self.check_transport_contents('contents of dir_a/a', t, 'dir_a/a')
self.check_transport_contents('contents of dir_b/b', t, 'dir_b/b')
# mkdir of a dir with an absent parent
self.assertRaises(NoSuchFile, t.mkdir, 'missing/dir')
def test_mkdir_permissions(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# no sense testing on this transport
return
# Test mkdir with a mode
t.mkdir('dmode755', mode=0755)
self.assertTransportMode(t, 'dmode755', 0755)
t.mkdir('dmode555', mode=0555)
self.assertTransportMode(t, 'dmode555', 0555)
t.mkdir('dmode777', mode=0777)
self.assertTransportMode(t, 'dmode777', 0777)
t.mkdir('dmode700', mode=0700)
self.assertTransportMode(t, 'dmode700', 0700)
t.mkdir_multi(['mdmode755'], mode=0755)
self.assertTransportMode(t, 'mdmode755', 0755)
# Default mode should be based on umask
umask = osutils.get_umask()
t.mkdir('dnomode', mode=None)
self.assertTransportMode(t, 'dnomode', 0777 & ~umask)
def test_opening_a_file_stream_creates_file(self):
t = self.get_transport()
if t.is_readonly():
return
handle = t.open_write_stream('foo')
try:
self.assertEqual('', t.get_bytes('foo'))
finally:
handle.close()
def test_opening_a_file_stream_can_set_mode(self):
t = self.get_transport()
if t.is_readonly():
return
if not t._can_roundtrip_unix_modebits():
# Can't roundtrip, so no need to run this test
return
def check_mode(name, mode, expected):
handle = t.open_write_stream(name, mode=mode)
handle.close()
self.assertTransportMode(t, name, expected)
check_mode('mode644', 0644, 0644)
check_mode('mode666', 0666, 0666)
check_mode('mode600', 0600, 0600)
# The default permissions should be based on the current umask
check_mode('nomode', None, 0666 & ~osutils.get_umask())
def test_copy_to(self):
# FIXME: test: same server to same server (partly done)
# same protocol two servers
# and different protocols (done for now except for MemoryTransport.
# - RBC 20060122
def simple_copy_files(transport_from, transport_to):
files = ['a', 'b', 'c', 'd']
self.build_tree(files, transport=transport_from)
self.assertEqual(4, transport_from.copy_to(files, transport_to))
for f in files:
self.check_transport_contents(transport_to.get_bytes(f),
transport_from, f)
t = self.get_transport()
temp_transport = MemoryTransport('memory:///')
simple_copy_files(t, temp_transport)
if not t.is_readonly():
t.mkdir('copy_to_simple')
t2 = t.clone('copy_to_simple')
simple_copy_files(t, t2)
# Test that copying into a missing directory raises
# NoSuchFile
if t.is_readonly():
self.build_tree(['e/', 'e/f'])
else:
t.mkdir('e')
t.put_bytes('e/f', 'contents of e')
self.assertRaises(NoSuchFile, t.copy_to, ['e/f'], temp_transport)
temp_transport.mkdir('e')
t.copy_to(['e/f'], temp_transport)
del temp_transport
temp_transport = MemoryTransport('memory:///')
files = ['a', 'b', 'c', 'd']
t.copy_to(iter(files), temp_transport)
for f in files:
self.check_transport_contents(temp_transport.get_bytes(f),
t, f)
del temp_transport
for mode in (0666, 0644, 0600, 0400):
temp_transport = MemoryTransport("memory:///")
t.copy_to(files, temp_transport, mode=mode)
for f in files:
self.assertTransportMode(temp_transport, f, mode)
def test_create_prefix(self):
t = self.get_transport()
sub = t.clone('foo').clone('bar')
try:
sub.create_prefix()
except TransportNotPossible:
self.assertTrue(t.is_readonly())
else:
self.assertTrue(t.has('foo/bar'))
def test_append_file(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.append_file, 'a', 'add\nsome\nmore\ncontents\n')
return
t.put_bytes('a', 'diff\ncontents for\na\n')
t.put_bytes('b', 'contents\nfor b\n')
self.assertEqual(20,
t.append_file('a', StringIO('add\nsome\nmore\ncontents\n')))
self.check_transport_contents(
'diff\ncontents for\na\nadd\nsome\nmore\ncontents\n',
t, 'a')
# a file with no parent should fail..
self.assertRaises(NoSuchFile,
t.append_file, 'missing/path', StringIO('content'))
# And we can create new files, too
self.assertEqual(0,
t.append_file('c', StringIO('some text\nfor a missing file\n')))
self.check_transport_contents('some text\nfor a missing file\n',
t, 'c')
def test_append_bytes(self):
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.append_bytes, 'a', 'add\nsome\nmore\ncontents\n')
return
self.assertEqual(0, t.append_bytes('a', 'diff\ncontents for\na\n'))
self.assertEqual(0, t.append_bytes('b', 'contents\nfor b\n'))
self.assertEqual(20,
t.append_bytes('a', 'add\nsome\nmore\ncontents\n'))
self.check_transport_contents(
'diff\ncontents for\na\nadd\nsome\nmore\ncontents\n',
t, 'a')
# a file with no parent should fail..
self.assertRaises(NoSuchFile,
t.append_bytes, 'missing/path', 'content')
def test_append_multi(self):
t = self.get_transport()
if t.is_readonly():
return
t.put_bytes('a', 'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n')
t.put_bytes('b', 'contents\nfor b\n')
self.assertEqual((43, 15),
t.append_multi([('a', StringIO('and\nthen\nsome\nmore\n')),
('b', StringIO('some\nmore\nfor\nb\n'))]))
self.check_transport_contents(
'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n'
'and\nthen\nsome\nmore\n',
t, 'a')
self.check_transport_contents(
'contents\nfor b\n'
'some\nmore\nfor\nb\n',
t, 'b')
self.assertEqual((62, 31),
t.append_multi(iter([('a', StringIO('a little bit more\n')),
('b', StringIO('from an iterator\n'))])))
self.check_transport_contents(
'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n'
'and\nthen\nsome\nmore\n'
'a little bit more\n',
t, 'a')
self.check_transport_contents(
'contents\nfor b\n'
'some\nmore\nfor\nb\n'
'from an iterator\n',
t, 'b')
self.assertEqual((80, 0),
t.append_multi([('a', StringIO('some text in a\n')),
('d', StringIO('missing file r\n'))]))
self.check_transport_contents(
'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n'
'and\nthen\nsome\nmore\n'
'a little bit more\n'
'some text in a\n',
t, 'a')
self.check_transport_contents('missing file r\n', t, 'd')
def test_append_file_mode(self):
"""Check that append accepts a mode parameter"""
# check append accepts a mode
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.append_file, 'f', StringIO('f'), mode=None)
return
t.append_file('f', StringIO('f'), mode=None)
def test_append_bytes_mode(self):
# check append_bytes accepts a mode
t = self.get_transport()
if t.is_readonly():
self.assertRaises(TransportNotPossible,
t.append_bytes, 'f', 'f', mode=None)
return
t.append_bytes('f', 'f', mode=None)
def test_delete(self):
# TODO: Test Transport.delete
t = self.get_transport()
# Not much to do with a readonly transport
if t.is_readonly():
self.assertRaises(TransportNotPossible, t.delete, 'missing')
return
t.put_bytes('a', 'a little bit of text\n')
self.assertTrue(t.has('a'))
t.delete('a')
self.assertFalse(t.has('a'))
self.assertRaises(NoSuchFile, t.delete, 'a')
t.put_bytes('a', 'a text\n')
t.put_bytes('b', 'b text\n')
t.put_bytes('c', 'c text\n')
self.assertEqual([True, True, True],
list(t.has_multi(['a', 'b', 'c'])))
t.delete_multi(['a', 'c'])
self.assertEqual([False, True, False],
list(t.has_multi(['a', 'b', 'c'])))
self.assertFalse(t.has('a'))
self.assertTrue(t.has('b'))
self.assertFalse(t.has('c'))
self.assertRaises(NoSuchFile,
t.delete_multi, ['a', 'b', 'c'])
self.assertRaises(NoSuchFile,
t.delete_multi, iter(['a', 'b', 'c']))
t.put_bytes('a', 'another a text\n')
t.put_bytes('c', 'another c text\n')
t.delete_multi(iter(['a', 'b', 'c']))
# We should have deleted everything
# SftpServer creates control files in the
# working directory, so we can just do a
# plain "listdir".
# self.assertEqual([], os.listdir('.'))
def test_recommended_page_size(self):
"""Transports recommend a page size for partial access to files."""
t = self.get_transport()
self.assertIsInstance(t.recommended_page_size(), int)
def test_rmdir(self):
t = self.get_transport()
# Not much to do with a readonly transport
if t.is_readonly():
self.assertRaises(TransportNotPossible, t.rmdir, 'missing')
return
t.mkdir('adir')
t.mkdir('adir/bdir')
t.rmdir('adir/bdir')
# ftp may not be able to raise NoSuchFile for lack of
# details when failing
self.assertRaises((NoSuchFile, PathError), t.rmdir, 'adir/bdir')
t.rmdir('adir')
self.assertRaises((NoSuchFile, PathError), t.rmdir, 'adir')
def test_rmdir_not_empty(self):
"""Deleting a non-empty directory raises an exception
sftp (and possibly others) don't give us a specific "directory not
empty" exception -- we can just see that the operation failed.
"""
t = self.get_transport()
if t.is_readonly():
return
t.mkdir('adir')
t.mkdir('adir/bdir')
self.assertRaises(PathError, t.rmdir, 'adir')
def test_rmdir_empty_but_similar_prefix(self):
"""rmdir does not get confused by sibling paths.
A naive implementation of MemoryTransport would refuse to rmdir
".bzr/branch" if there is a ".bzr/branch-format" directory, because it
uses "path.startswith(dir)" on all file paths to determine if directory
is empty.
"""
t = self.get_transport()
if t.is_readonly():
return
t.mkdir('foo')
t.put_bytes('foo-bar', '')
t.mkdir('foo-baz')
t.rmdir('foo')
self.assertRaises((NoSuchFile, PathError), t.rmdir, 'foo')
self.assertTrue(t.has('foo-bar'))
def test_rename_dir_succeeds(self):
t = self.get_transport()
if t.is_readonly():
raise TestSkipped("transport is readonly")
t.mkdir('adir')
t.mkdir('adir/asubdir')
t.rename('adir', 'bdir')
self.assertTrue(t.has('bdir/asubdir'))
self.assertFalse(t.has('adir'))
def test_rename_dir_nonempty(self):
"""Attempting to replace a nonemtpy directory should fail"""
t = self.get_transport()
if t.is_readonly():
raise TestSkipped("transport is readonly")
t.mkdir('adir')
t.mkdir('adir/asubdir')
t.mkdir('bdir')
t.mkdir('bdir/bsubdir')
# any kind of PathError would be OK, though we normally expect
# DirectoryNotEmpty
self.assertRaises(PathError, t.rename, 'bdir', 'adir')
# nothing was changed so it should still be as before
self.assertTrue(t.has('bdir/bsubdir'))
self.assertFalse(t.has('adir/bdir'))
self.assertFalse(t.has('adir/bsubdir'))
def test_rename_across_subdirs(self):
t = self.get_transport()
if t.is_readonly():
raise TestNotApplicable("transport is readonly")
t.mkdir('a')
t.mkdir('b')
ta = t.clone('a')
tb = t.clone('b')
ta.put_bytes('f', 'aoeu')
ta.rename('f', '../b/f')
self.assertTrue(tb.has('f'))
self.assertFalse(ta.has('f'))
self.assertTrue(t.has('b/f'))
def test_delete_tree(self):
t = self.get_transport()
# Not much to do with a readonly transport
if t.is_readonly():
self.assertRaises(TransportNotPossible, t.delete_tree, 'missing')
return
# and does it like listing ?
t.mkdir('adir')
try:
t.delete_tree('adir')
except TransportNotPossible:
# ok, this transport does not support delete_tree
return
# did it delete that trivial case?
self.assertRaises(NoSuchFile, t.stat, 'adir')
self.build_tree(['adir/',
'adir/file',
'adir/subdir/',
'adir/subdir/file',
'adir/subdir2/',
'adir/subdir2/file',
], transport=t)
t.delete_tree('adir')
# adir should be gone now.
self.assertRaises(NoSuchFile, t.stat, 'adir')
def test_move(self):
t = self.get_transport()
if t.is_readonly():
return
# TODO: I would like to use os.listdir() to
# make sure there are no extra files, but SftpServer
# creates control files in the working directory
# perhaps all of this could be done in a subdirectory
t.put_bytes('a', 'a first file\n')
self.assertEquals([True, False], list(t.has_multi(['a', 'b'])))
t.move('a', 'b')
self.assertTrue(t.has('b'))
self.assertFalse(t.has('a'))
self.check_transport_contents('a first file\n', t, 'b')
self.assertEquals([False, True], list(t.has_multi(['a', 'b'])))
# Overwrite a file
t.put_bytes('c', 'c this file\n')
t.move('c', 'b')
self.assertFalse(t.has('c'))
self.check_transport_contents('c this file\n', t, 'b')
# TODO: Try to write a test for atomicity
# TODO: Test moving into a non-existent subdirectory
# TODO: Test Transport.move_multi
def test_copy(self):
t = self.get_transport()
if t.is_readonly():
return
t.put_bytes('a', 'a file\n')
t.copy('a', 'b')
self.check_transport_contents('a file\n', t, 'b')
self.assertRaises(NoSuchFile, t.copy, 'c', 'd')
os.mkdir('c')
# What should the assert be if you try to copy a
# file over a directory?
#self.assertRaises(Something, t.copy, 'a', 'c')
t.put_bytes('d', 'text in d\n')
t.copy('d', 'b')
self.check_transport_contents('text in d\n', t, 'b')
# TODO: test copy_multi
def test_connection_error(self):
"""ConnectionError is raised when connection is impossible.
The error should be raised from the first operation on the transport.
"""
try:
url = self._server.get_bogus_url()
except NotImplementedError:
raise TestSkipped("Transport %s has no bogus URL support." %
self._server.__class__)
t = _mod_transport.get_transport_from_url(url)
self.assertRaises((ConnectionError, NoSuchFile), t.get, '.bzr/branch')
def test_stat(self):
# TODO: Test stat, just try once, and if it throws, stop testing
from stat import S_ISDIR, S_ISREG
t = self.get_transport()
try:
st = t.stat('.')
except TransportNotPossible, e:
# This transport cannot stat
return
paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e']
sizes = [14, 0, 16, 0, 18]
self.build_tree(paths, transport=t, line_endings='binary')
for path, size in zip(paths, sizes):
st = t.stat(path)
if path.endswith('/'):
self.assertTrue(S_ISDIR(st.st_mode))
# directory sizes are meaningless
else:
self.assertTrue(S_ISREG(st.st_mode))
self.assertEqual(size, st.st_size)
remote_stats = list(t.stat_multi(paths))
remote_iter_stats = list(t.stat_multi(iter(paths)))
self.assertRaises(NoSuchFile, t.stat, 'q')
self.assertRaises(NoSuchFile, t.stat, 'b/a')
self.assertListRaises(NoSuchFile, t.stat_multi, ['a', 'c', 'd'])
self.assertListRaises(NoSuchFile, t.stat_multi, iter(['a', 'c', 'd']))
self.build_tree(['subdir/', 'subdir/file'], transport=t)
subdir = t.clone('subdir')
st = subdir.stat('./file')
st = subdir.stat('.')
def test_hardlink(self):
from stat import ST_NLINK
t = self.get_transport()
source_name = "original_target"
link_name = "target_link"
self.build_tree([source_name], transport=t)
try:
t.hardlink(source_name, link_name)
self.assertTrue(t.has(source_name))
self.assertTrue(t.has(link_name))
st = t.stat(link_name)
self.assertEqual(st[ST_NLINK], 2)
except TransportNotPossible:
raise TestSkipped("Transport %s does not support hardlinks." %
self._server.__class__)
def test_symlink(self):
from stat import S_ISLNK
t = self.get_transport()
source_name = "original_target"
link_name = "target_link"
self.build_tree([source_name], transport=t)
try:
t.symlink(source_name, link_name)
self.assertTrue(t.has(source_name))
self.assertTrue(t.has(link_name))
st = t.stat(link_name)
self.assertTrue(S_ISLNK(st.st_mode),
"expected symlink, got mode %o" % st.st_mode)
except TransportNotPossible:
raise TestSkipped("Transport %s does not support symlinks." %
self._server.__class__)
except IOError:
self.knownFailure("Paramiko fails to create symlinks during tests")
def test_list_dir(self):
# TODO: Test list_dir, just try once, and if it throws, stop testing
t = self.get_transport()
if not t.listable():
self.assertRaises(TransportNotPossible, t.list_dir, '.')
return
def sorted_list(d, transport):
l = list(transport.list_dir(d))
l.sort()
return l
self.assertEqual([], sorted_list('.', t))
# c2 is precisely one letter longer than c here to test that
# suffixing is not confused.
# a%25b checks that quoting is done consistently across transports
tree_names = ['a', 'a%25b', 'b', 'c/', 'c/d', 'c/e', 'c2/']
if not t.is_readonly():
self.build_tree(tree_names, transport=t)
else:
self.build_tree(tree_names)
self.assertEqual(
['a', 'a%2525b', 'b', 'c', 'c2'], sorted_list('', t))
self.assertEqual(
['a', 'a%2525b', 'b', 'c', 'c2'], sorted_list('.', t))
self.assertEqual(['d', 'e'], sorted_list('c', t))
# Cloning the transport produces an equivalent listing
self.assertEqual(['d', 'e'], sorted_list('', t.clone('c')))
if not t.is_readonly():
t.delete('c/d')
t.delete('b')
else:
os.unlink('c/d')
os.unlink('b')
self.assertEqual(['a', 'a%2525b', 'c', 'c2'], sorted_list('.', t))
self.assertEqual(['e'], sorted_list('c', t))
self.assertListRaises(PathError, t.list_dir, 'q')
self.assertListRaises(PathError, t.list_dir, 'c/f')
# 'a' is a file, list_dir should raise an error
self.assertListRaises(PathError, t.list_dir, 'a')
def test_list_dir_result_is_url_escaped(self):
t = self.get_transport()
if not t.listable():
raise TestSkipped("transport not listable")
if not t.is_readonly():
self.build_tree(['a/', 'a/%'], transport=t)
else:
self.build_tree(['a/', 'a/%'])
names = list(t.list_dir('a'))
self.assertEqual(['%25'], names)
self.assertIsInstance(names[0], str)
def test_clone_preserve_info(self):
t1 = self.get_transport()
if not isinstance(t1, ConnectedTransport):
raise TestSkipped("not a connected transport")
t2 = t1.clone('subdir')
self.assertEquals(t1._parsed_url.scheme, t2._parsed_url.scheme)
self.assertEquals(t1._parsed_url.user, t2._parsed_url.user)
self.assertEquals(t1._parsed_url.password, t2._parsed_url.password)
self.assertEquals(t1._parsed_url.host, t2._parsed_url.host)
self.assertEquals(t1._parsed_url.port, t2._parsed_url.port)
def test__reuse_for(self):
t = self.get_transport()
if not isinstance(t, ConnectedTransport):
raise TestSkipped("not a connected transport")
def new_url(scheme=None, user=None, password=None,
host=None, port=None, path=None):
"""Build a new url from t.base changing only parts of it.
Only the parameters different from None will be changed.
"""
if scheme is None: scheme = t._parsed_url.scheme
if user is None: user = t._parsed_url.user
if password is None: password = t._parsed_url.password
if user is None: user = t._parsed_url.user
if host is None: host = t._parsed_url.host
if port is None: port = t._parsed_url.port
if path is None: path = t._parsed_url.path
return str(urlutils.URL(scheme, user, password, host, port, path))
if t._parsed_url.scheme == 'ftp':
scheme = 'sftp'
else:
scheme = 'ftp'
self.assertIsNot(t, t._reuse_for(new_url(scheme=scheme)))
if t._parsed_url.user == 'me':
user = 'you'
else:
user = 'me'
self.assertIsNot(t, t._reuse_for(new_url(user=user)))
# passwords are not taken into account because:
# - it makes no sense to have two different valid passwords for the
# same user
# - _password in ConnectedTransport is intended to collect what the
# user specified from the command-line and there are cases where the
# new url can contain no password (if the url was built from an
# existing transport.base for example)
# - password are considered part of the credentials provided at
# connection creation time and as such may not be present in the url
# (they may be typed by the user when prompted for example)
self.assertIs(t, t._reuse_for(new_url(password='from space')))
# We will not connect, we can use a invalid host
self.assertIsNot(t, t._reuse_for(new_url(host=t._parsed_url.host + 'bar')))
if t._parsed_url.port == 1234:
port = 4321
else:
port = 1234
self.assertIsNot(t, t._reuse_for(new_url(port=port)))
# No point in trying to reuse a transport for a local URL
self.assertIs(None, t._reuse_for('/valid_but_not_existing'))
def test_connection_sharing(self):
t = self.get_transport()
if not isinstance(t, ConnectedTransport):
raise TestSkipped("not a connected transport")
c = t.clone('subdir')
# Some transports will create the connection only when needed
t.has('surely_not') # Force connection
self.assertIs(t._get_connection(), c._get_connection())
# Temporary failure, we need to create a new dummy connection
new_connection = None
t._set_connection(new_connection)
# Check that both transports use the same connection
self.assertIs(new_connection, t._get_connection())
self.assertIs(new_connection, c._get_connection())
def test_reuse_connection_for_various_paths(self):
t = self.get_transport()
if not isinstance(t, ConnectedTransport):
raise TestSkipped("not a connected transport")
t.has('surely_not') # Force connection
self.assertIsNot(None, t._get_connection())
subdir = t._reuse_for(t.base + 'whatever/but/deep/down/the/path')
self.assertIsNot(t, subdir)
self.assertIs(t._get_connection(), subdir._get_connection())
home = subdir._reuse_for(t.base + 'home')
self.assertIs(t._get_connection(), home._get_connection())
self.assertIs(subdir._get_connection(), home._get_connection())
def test_clone(self):
# TODO: Test that clone moves up and down the filesystem
t1 = self.get_transport()
self.build_tree(['a', 'b/', 'b/c'], transport=t1)
self.assertTrue(t1.has('a'))
self.assertTrue(t1.has('b/c'))
self.assertFalse(t1.has('c'))
t2 = t1.clone('b')
self.assertEqual(t1.base + 'b/', t2.base)
self.assertTrue(t2.has('c'))
self.assertFalse(t2.has('a'))
t3 = t2.clone('..')
self.assertTrue(t3.has('a'))
self.assertFalse(t3.has('c'))
self.assertFalse(t1.has('b/d'))
self.assertFalse(t2.has('d'))
self.assertFalse(t3.has('b/d'))
if t1.is_readonly():
self.build_tree_contents([('b/d', 'newfile\n')])
else:
t2.put_bytes('d', 'newfile\n')
self.assertTrue(t1.has('b/d'))
self.assertTrue(t2.has('d'))
self.assertTrue(t3.has('b/d'))
def test_clone_to_root(self):
orig_transport = self.get_transport()
# Repeatedly go up to a parent directory until we're at the root
# directory of this transport
root_transport = orig_transport
new_transport = root_transport.clone("..")
# as we are walking up directories, the path must be
# growing less, except at the top
self.assertTrue(len(new_transport.base) < len(root_transport.base)
or new_transport.base == root_transport.base)
while new_transport.base != root_transport.base:
root_transport = new_transport
new_transport = root_transport.clone("..")
# as we are walking up directories, the path must be
# growing less, except at the top
self.assertTrue(len(new_transport.base) < len(root_transport.base)
or new_transport.base == root_transport.base)
# Cloning to "/" should take us to exactly the same location.
self.assertEqual(root_transport.base, orig_transport.clone("/").base)
# the abspath of "/" from the original transport should be the same
# as the base at the root:
self.assertEqual(orig_transport.abspath("/"), root_transport.base)
# At the root, the URL must still end with / as its a directory
self.assertEqual(root_transport.base[-1], '/')
def test_clone_from_root(self):
"""At the root, cloning to a simple dir should just do string append."""
orig_transport = self.get_transport()
root_transport = orig_transport.clone('/')
self.assertEqual(root_transport.base + '.bzr/',
root_transport.clone('.bzr').base)
def test_base_url(self):
t = self.get_transport()
self.assertEqual('/', t.base[-1])
def test_relpath(self):
t = self.get_transport()
self.assertEqual('', t.relpath(t.base))
# base ends with /
self.assertEqual('', t.relpath(t.base[:-1]))
# subdirs which don't exist should still give relpaths.
self.assertEqual('foo', t.relpath(t.base + 'foo'))
# trailing slash should be the same.
self.assertEqual('foo', t.relpath(t.base + 'foo/'))
def test_relpath_at_root(self):
t = self.get_transport()
# clone all the way to the top
new_transport = t.clone('..')
while new_transport.base != t.base:
t = new_transport
new_transport = t.clone('..')
# we must be able to get a relpath below the root
self.assertEqual('', t.relpath(t.base))
# and a deeper one should work too
self.assertEqual('foo/bar', t.relpath(t.base + 'foo/bar'))
def test_abspath(self):
# smoke test for abspath. Corner cases for backends like unix fs's
# that have aliasing problems like symlinks should go in backend
# specific test cases.
transport = self.get_transport()
self.assertEqual(transport.base + 'relpath',
transport.abspath('relpath'))
# This should work without raising an error.
transport.abspath("/")
# the abspath of "/" and "/foo/.." should result in the same location
self.assertEqual(transport.abspath("/"), transport.abspath("/foo/.."))
self.assertEqual(transport.clone("/").abspath('foo'),
transport.abspath("/foo"))
# GZ 2011-01-26: Test in per_transport but not using self.get_transport?
def test_win32_abspath(self):
# Note: we tried to set sys.platform='win32' so we could test on
# other platforms too, but then osutils does platform specific
# things at import time which defeated us...
if sys.platform != 'win32':
raise TestSkipped(
'Testing drive letters in abspath implemented only for win32')
# smoke test for abspath on win32.
# a transport based on 'file:///' never fully qualifies the drive.
transport = _mod_transport.get_transport_from_url("file:///")
self.assertEqual(transport.abspath("/"), "file:///")
# but a transport that starts with a drive spec must keep it.
transport = _mod_transport.get_transport_from_url("file:///C:/")
self.assertEqual(transport.abspath("/"), "file:///C:/")
def test_local_abspath(self):
transport = self.get_transport()
try:
p = transport.local_abspath('.')
except (errors.NotLocalUrl, TransportNotPossible), e:
# should be formattable
s = str(e)
else:
self.assertEqual(getcwd(), p)
def test_abspath_at_root(self):
t = self.get_transport()
# clone all the way to the top
new_transport = t.clone('..')
while new_transport.base != t.base:
t = new_transport
new_transport = t.clone('..')
# we must be able to get a abspath of the root when we ask for
# t.abspath('..') - this due to our choice that clone('..')
# should return the root from the root, combined with the desire that
# the url from clone('..') and from abspath('..') should be the same.
self.assertEqual(t.base, t.abspath('..'))
# '' should give us the root
self.assertEqual(t.base, t.abspath(''))
# and a path should append to the url
self.assertEqual(t.base + 'foo', t.abspath('foo'))
def test_iter_files_recursive(self):
transport = self.get_transport()
if not transport.listable():
self.assertRaises(TransportNotPossible,
transport.iter_files_recursive)
return
self.build_tree(['isolated/',
'isolated/dir/',
'isolated/dir/foo',
'isolated/dir/bar',
'isolated/dir/b%25z', # make sure quoting is correct
'isolated/bar'],
transport=transport)
paths = set(transport.iter_files_recursive())
# nb the directories are not converted
self.assertEqual(paths,
set(['isolated/dir/foo',
'isolated/dir/bar',
'isolated/dir/b%2525z',
'isolated/bar']))
sub_transport = transport.clone('isolated')
paths = set(sub_transport.iter_files_recursive())
self.assertEqual(paths,
set(['dir/foo', 'dir/bar', 'dir/b%2525z', 'bar']))
def test_copy_tree(self):
# TODO: test file contents and permissions are preserved. This test was
# added just to ensure that quoting was handled correctly.
# -- David Allouche 2006-08-11
transport = self.get_transport()
if not transport.listable():
self.assertRaises(TransportNotPossible,
transport.iter_files_recursive)
return
if transport.is_readonly():
return
self.build_tree(['from/',
'from/dir/',
'from/dir/foo',
'from/dir/bar',
'from/dir/b%25z', # make sure quoting is correct
'from/bar'],
transport=transport)
transport.copy_tree('from', 'to')
paths = set(transport.iter_files_recursive())
self.assertEqual(paths,
set(['from/dir/foo',
'from/dir/bar',
'from/dir/b%2525z',
'from/bar',
'to/dir/foo',
'to/dir/bar',
'to/dir/b%2525z',
'to/bar',]))
def test_copy_tree_to_transport(self):
transport = self.get_transport()
if not transport.listable():
self.assertRaises(TransportNotPossible,
transport.iter_files_recursive)
return
if transport.is_readonly():
return
self.build_tree(['from/',
'from/dir/',
'from/dir/foo',
'from/dir/bar',
'from/dir/b%25z', # make sure quoting is correct
'from/bar'],
transport=transport)
from_transport = transport.clone('from')
to_transport = transport.clone('to')
to_transport.ensure_base()
from_transport.copy_tree_to_transport(to_transport)
paths = set(transport.iter_files_recursive())
self.assertEqual(paths,
set(['from/dir/foo',
'from/dir/bar',
'from/dir/b%2525z',
'from/bar',
'to/dir/foo',
'to/dir/bar',
'to/dir/b%2525z',
'to/bar',]))
def test_unicode_paths(self):
"""Test that we can read/write files with Unicode names."""
t = self.get_transport()
# With FAT32 and certain encodings on win32
# '\xe5' and '\xe4' actually map to the same file
# adding a suffix kicks in the 'preserving but insensitive'
# route, and maintains the right files
files = [u'\xe5.1', # a w/ circle iso-8859-1
u'\xe4.2', # a w/ dots iso-8859-1
u'\u017d', # Z with umlat iso-8859-2
u'\u062c', # Arabic j
u'\u0410', # Russian A
u'\u65e5', # Kanji person
]
no_unicode_support = getattr(self._server, 'no_unicode_support', False)
if no_unicode_support:
self.knownFailure("test server cannot handle unicode paths")
try:
self.build_tree(files, transport=t, line_endings='binary')
except UnicodeError:
raise TestSkipped("cannot handle unicode paths in current encoding")
# A plain unicode string is not a valid url
for fname in files:
self.assertRaises(InvalidURL, t.get, fname)
for fname in files:
fname_utf8 = fname.encode('utf-8')
contents = 'contents of %s\n' % (fname_utf8,)
self.check_transport_contents(contents, t, urlutils.escape(fname))
def test_connect_twice_is_same_content(self):
# check that our server (whatever it is) is accessible reliably
# via get_transport and multiple connections share content.
transport = self.get_transport()
if transport.is_readonly():
return
transport.put_bytes('foo', 'bar')
transport3 = self.get_transport()
self.check_transport_contents('bar', transport3, 'foo')
# now opening at a relative url should give use a sane result:
transport.mkdir('newdir')
transport5 = self.get_transport('newdir')
transport6 = transport5.clone('..')
self.check_transport_contents('bar', transport6, 'foo')
def test_lock_write(self):
"""Test transport-level write locks.
These are deprecated and transports may decline to support them.
"""
transport = self.get_transport()
if transport.is_readonly():
self.assertRaises(TransportNotPossible, transport.lock_write, 'foo')
return
transport.put_bytes('lock', '')
try:
lock = transport.lock_write('lock')
except TransportNotPossible:
return
# TODO make this consistent on all platforms:
# self.assertRaises(LockError, transport.lock_write, 'lock')
lock.unlock()
def test_lock_read(self):
"""Test transport-level read locks.
These are deprecated and transports may decline to support them.
"""
transport = self.get_transport()
if transport.is_readonly():
file('lock', 'w').close()
else:
transport.put_bytes('lock', '')
try:
lock = transport.lock_read('lock')
except TransportNotPossible:
return
# TODO make this consistent on all platforms:
# self.assertRaises(LockError, transport.lock_read, 'lock')
lock.unlock()
def test_readv(self):
transport = self.get_transport()
if transport.is_readonly():
with file('a', 'w') as f: f.write('0123456789')
else:
transport.put_bytes('a', '0123456789')
d = list(transport.readv('a', ((0, 1),)))
self.assertEqual(d[0], (0, '0'))
d = list(transport.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
self.assertEqual(d[0], (0, '0'))
self.assertEqual(d[1], (1, '1'))
self.assertEqual(d[2], (3, '34'))
self.assertEqual(d[3], (9, '9'))
def test_readv_out_of_order(self):
transport = self.get_transport()
if transport.is_readonly():
with file('a', 'w') as f: f.write('0123456789')
else:
transport.put_bytes('a', '01234567890')
d = list(transport.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
self.assertEqual(d[0], (1, '1'))
self.assertEqual(d[1], (9, '9'))
self.assertEqual(d[2], (0, '0'))
self.assertEqual(d[3], (3, '34'))
def test_readv_with_adjust_for_latency(self):
transport = self.get_transport()
# the adjust for latency flag expands the data region returned
# according to a per-transport heuristic, so testing is a little
# tricky as we need more data than the largest combining that our
# transports do. To accomodate this we generate random data and cross
# reference the returned data with the random data. To avoid doing
# multiple large random byte look ups we do several tests on the same
# backing data.
content = osutils.rand_bytes(200*1024)
content_size = len(content)
if transport.is_readonly():
self.build_tree_contents([('a', content)])
else:
transport.put_bytes('a', content)
def check_result_data(result_vector):
for item in result_vector:
data_len = len(item[1])
self.assertEqual(content[item[0]:item[0] + data_len], item[1])
# start corner case
result = list(transport.readv('a', ((0, 30),),
adjust_for_latency=True, upper_limit=content_size))
# we expect 1 result, from 0, to something > 30
self.assertEqual(1, len(result))
self.assertEqual(0, result[0][0])
self.assertTrue(len(result[0][1]) >= 30)
check_result_data(result)
# end of file corner case
result = list(transport.readv('a', ((204700, 100),),
adjust_for_latency=True, upper_limit=content_size))
# we expect 1 result, from 204800- its length, to the end
self.assertEqual(1, len(result))
data_len = len(result[0][1])
self.assertEqual(204800-data_len, result[0][0])
self.assertTrue(data_len >= 100)
check_result_data(result)
# out of order ranges are made in order
result = list(transport.readv('a', ((204700, 100), (0, 50)),
adjust_for_latency=True, upper_limit=content_size))
# we expect 2 results, in order, start and end.
self.assertEqual(2, len(result))
# start
data_len = len(result[0][1])
self.assertEqual(0, result[0][0])
self.assertTrue(data_len >= 30)
# end
data_len = len(result[1][1])
self.assertEqual(204800-data_len, result[1][0])
self.assertTrue(data_len >= 100)
check_result_data(result)
# close ranges get combined (even if out of order)
for request_vector in [((400,50), (800, 234)), ((800, 234), (400,50))]:
result = list(transport.readv('a', request_vector,
adjust_for_latency=True, upper_limit=content_size))
self.assertEqual(1, len(result))
data_len = len(result[0][1])
# minimum length is from 400 to 1034 - 634
self.assertTrue(data_len >= 634)
# must contain the region 400 to 1034
self.assertTrue(result[0][0] <= 400)
self.assertTrue(result[0][0] + data_len >= 1034)
check_result_data(result)
def test_readv_with_adjust_for_latency_with_big_file(self):
transport = self.get_transport()
# test from observed failure case.
if transport.is_readonly():
with file('a', 'w') as f: f.write('a'*1024*1024)
else:
transport.put_bytes('a', 'a'*1024*1024)
broken_vector = [(465219, 800), (225221, 800), (445548, 800),
(225037, 800), (221357, 800), (437077, 800), (947670, 800),
(465373, 800), (947422, 800)]
results = list(transport.readv('a', broken_vector, True, 1024*1024))
found_items = [False]*9
for pos, (start, length) in enumerate(broken_vector):
# check the range is covered by the result
for offset, data in results:
if offset <= start and start + length <= offset + len(data):
found_items[pos] = True
self.assertEqual([True]*9, found_items)
def test_get_with_open_write_stream_sees_all_content(self):
t = self.get_transport()
if t.is_readonly():
return
handle = t.open_write_stream('foo')
try:
handle.write('bcd')
self.assertEqual([(0, 'b'), (2, 'd')], list(t.readv('foo', ((0,1), (2,1)))))
finally:
handle.close()
def test_get_smart_medium(self):
"""All transports must either give a smart medium, or know they can't.
"""
transport = self.get_transport()
try:
client_medium = transport.get_smart_medium()
self.assertIsInstance(client_medium, medium.SmartClientMedium)
except errors.NoSmartMedium:
# as long as we got it we're fine
pass
def test_readv_short_read(self):
transport = self.get_transport()
if transport.is_readonly():
with file('a', 'w') as f: f.write('0123456789')
else:
transport.put_bytes('a', '01234567890')
# This is intentionally reading off the end of the file
# since we are sure that it cannot get there
self.assertListRaises((errors.ShortReadvError, errors.InvalidRange,
# Can be raised by paramiko
AssertionError),
transport.readv, 'a', [(1,1), (8,10)])
# This is trying to seek past the end of the file, it should
# also raise a special error
self.assertListRaises((errors.ShortReadvError, errors.InvalidRange),
transport.readv, 'a', [(12,2)])
def test_no_segment_parameters(self):
"""Segment parameters should be stripped and stored in
transport.segment_parameters."""
transport = self.get_transport("foo")
self.assertEquals({}, transport.get_segment_parameters())
def test_segment_parameters(self):
"""Segment parameters should be stripped and stored in
transport.get_segment_parameters()."""
base_url = self._server.get_url()
parameters = {"key1": "val1", "key2": "val2"}
url = urlutils.join_segment_parameters(base_url, parameters)
transport = _mod_transport.get_transport_from_url(url)
self.assertEquals(parameters, transport.get_segment_parameters())
def test_set_segment_parameters(self):
"""Segment parameters can be set and show up in base."""
transport = self.get_transport("foo")
orig_base = transport.base
transport.set_segment_parameter("arm", "board")
self.assertEquals("%s,arm=board" % orig_base, transport.base)
self.assertEquals({"arm": "board"}, transport.get_segment_parameters())
transport.set_segment_parameter("arm", None)
transport.set_segment_parameter("nonexistant", None)
self.assertEquals({}, transport.get_segment_parameters())
self.assertEquals(orig_base, transport.base)
def test_stat_symlink(self):
# if a transport points directly to a symlink (and supports symlinks
# at all) you can tell this. helps with bug 32669.
t = self.get_transport()
try:
t.symlink('target', 'link')
except TransportNotPossible:
raise TestSkipped("symlinks not supported")
t2 = t.clone('link')
st = t2.stat('')
self.assertTrue(stat.S_ISLNK(st.st_mode))
def test_abspath_url_unquote_unreserved(self):
"""URLs from abspath should have unreserved characters unquoted
Need consistent quoting notably for tildes, see lp:842223 for more.
"""
t = self.get_transport()
needlessly_escaped_dir = "%2D%2E%30%39%41%5A%5F%61%7A%7E/"
self.assertEqual(t.base + "-.09AZ_az~",
t.abspath(needlessly_escaped_dir))
def test_clone_url_unquote_unreserved(self):
"""Base URL of a cloned branch needs unreserved characters unquoted
Cloned transports should be prefix comparable for things like the
isolation checking of tests, see lp:842223 for more.
"""
t1 = self.get_transport()
needlessly_escaped_dir = "%2D%2E%30%39%41%5A%5F%61%7A%7E/"
self.build_tree([needlessly_escaped_dir], transport=t1)
t2 = t1.clone(needlessly_escaped_dir)
self.assertEqual(t1.base + "-.09AZ_az~/", t2.base)
def test_hook_post_connection_one(self):
"""Fire post_connect hook after a ConnectedTransport is first used"""
log = []
Transport.hooks.install_named_hook("post_connect", log.append, None)
t = self.get_transport()
self.assertEqual([], log)
t.has("non-existant")
if isinstance(t, RemoteTransport):
self.assertEqual([t.get_smart_medium()], log)
elif isinstance(t, ConnectedTransport):
self.assertEqual([t], log)
else:
self.assertEqual([], log)
def test_hook_post_connection_multi(self):
"""Fire post_connect hook once per unshared underlying connection"""
log = []
Transport.hooks.install_named_hook("post_connect", log.append, None)
t1 = self.get_transport()
t2 = t1.clone(".")
t3 = self.get_transport()
self.assertEqual([], log)
t1.has("x")
t2.has("x")
t3.has("x")
if isinstance(t1, RemoteTransport):
self.assertEqual([t.get_smart_medium() for t in [t1, t3]], log)
elif isinstance(t1, ConnectedTransport):
self.assertEqual([t1, t3], log)
else:
self.assertEqual([], log)
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