# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""FTP tests.
Server Test Maintainer: slyphon (Jonathan D. Simms)
Client Test Maintainer: spiv
"""
from __future__ import nested_scopes
import sys, types, os.path, re
from StringIO import StringIO
from twisted import internet
from twisted.trial import unittest
from twisted.protocols import basic
from twisted.internet import reactor, protocol, defer, interfaces
from twisted.cred import error, portal, checkers, credentials
from twisted.python import log, components, failure
from twisted.protocols import ftp, loopback
class NonClosingStringIO(StringIO):
def close(self):
pass
StringIOWithoutClosing = NonClosingStringIO
class CustomFileWrapper(protocol.FileWrapper):
def write(self, data):
protocol.FileWrapper.write(self, data)
#self._checkProducer()
#def loseConnection(self):
#self.closed = 1
class CustomLogObserver(log.FileLogObserver):
'''a log observer that prints more than the default'''
def emit(self, eventDict):
pass
class IOPump:
"""Utility to pump data between clients and servers for protocol testing.
Perhaps this is a utility worthy of being in protocol.py?
"""
def __init__(self, client, server, clientIO, serverIO):
self.client = client
self.server = server
self.clientIO = clientIO
self.serverIO = serverIO
def flush(self):
"Pump until there is no more input or output."
reactor.iterate()
while self.pump():
reactor.iterate()
reactor.iterate()
def pumpAndCount(self):
numMessages = 0
while True:
result = self.pump()
if result == 0:
return numMessages
else:
numMessages += result
def pump(self):
"""Move data back and forth.
Returns whether any data was moved.
"""
self.clientIO.seek(0)
self.serverIO.seek(0)
cData = self.clientIO.read()
sData = self.serverIO.read()
self.clientIO.seek(0)
self.serverIO.seek(0)
self.clientIO.truncate()
self.serverIO.truncate()
self.client.transport._checkProducer()
self.server.transport._checkProducer()
for byte in cData:
self.server.dataReceived(byte)
for byte in sData:
self.client.dataReceived(byte)
if cData or sData:
return 1
else:
return 0
def getTuple(self):
return (self.client, self.server, self.pump, self.flush)
def getPortal():
port = portal.Portal(ftp.FTPRealm())
port.registerChecker(checkers.AllowAnonymousAccess(), credentials.IAnonymous)
return port
class ServerFactoryForTest(protocol.Factory):
def __init__(self, portal):
self.protocol = ftp.FTP
self.allowAnonymous = True
self.userAnonymous = 'anonymous'
self.timeOut = 30
self.dtpTimeout = 10
self.maxProtocolInstances = 100
self.instances = []
self.portal = portal
class Dummy(basic.LineReceiver):
logname = None
def __init__(self):
self.lines = []
self.rawData = []
def connectionMade(self):
self.f = self.factory # to save typing in pdb :-)
def lineReceived(self,line):
self.lines.append(line)
def rawDataReceived(self, data):
self.rawData.append(data)
def lineLengthExceeded(self, line):
pass
class ConnectedFTPServer(object):
c = None
s = None
iop = None
dc = None
ds = None
diop = None
def __init__(self):
self.deferred = defer.Deferred()
s = ftp.FTP()
c = Dummy()
c.logname = 'ftp-pi'
self.cio, self.sio = NonClosingStringIO(), NonClosingStringIO()
s.factory = ServerFactoryForTest(getPortal())
s.factory.timeOut = None
s.factory.dtpTimeout = None
c.factory = protocol.ClientFactory()
c.factory.protocol = Dummy
c.makeConnection(CustomFileWrapper(self.cio))
s.makeConnection(CustomFileWrapper(self.sio))
iop = IOPump(c, s, self.cio, self.sio)
self.c, self.s, self.iop = c, s, iop
def hookUpDTP(self):
log.debug('hooking up dtp')
self.dcio, self.dsio = NonClosingStringIO(), NonClosingStringIO()
ds = ftp.DTP()
ds.pi = self.s
ds.pi.dtpInstance = ds
ds.pi.dtpPort = ('i','',0)
ds.factory = ftp.DTPFactory(self.s)
self.s.dtpFactory = ds.factory
self.s.TestingSoJustSkipTheReactorStep = True
ds.makeConnection(CustomFileWrapper(self.dsio))
dc = Dummy()
dc.logname = 'ftp-dtp'
dc.factory = protocol.ClientFactory()
dc.factory.protocol = Dummy
dc.setRawMode()
del dc.lines
dc.makeConnection(CustomFileWrapper(self.dcio))
iop = IOPump(dc, ds, self.dcio, self.dsio)
self.dc, self.ds, self.diop = dc, ds, iop
log.debug('flushing pi buffer')
self.iop.flush()
log.debug('hooked up dtp')
return
def getDtpCSTuple(self):
if not self.s.shell:
self.loadAvatar()
if not self.dc:
self.hookUpDTP()
return (self.dc, self.ds, self.diop)
def getCSTuple(self):
return (self.c, self.s, self.iop, self.srvReceive)
def srvReceive(self, *args):
for msg in args:
self.s.lineReceived(msg)
self.iop.flush()
def loadAvatar(self):
log.debug('BogusAvatar.loadAvatar')
shell = BogusAvatar()
shell.tld = '/home/foo'
shell.debug = True
shell.clientwd = '/'
shell.user = 'anonymous'
shell.uid = 1000
shell.gid = 1000
self.s.shell = shell
self.s.user = 'anonymous'
return shell
bogusfiles = [
{'type': 'f',
'name': 'foo.txt',
'size': 1586,
'date': '20030102125902',
'listrep': '-rwxr-xr-x 1 anonymous anonymous 1586 Jan 02 12:59 foo.txt\r\n'
},
{'type': 'f',
'name': 'bar.tar.gz',
'size': 4872,
'date': '2003 11 22 01 55 22',
'listrep': '-rwxr-xr-x 1 anonymous anonymous 4872 Nov 22 01:55 bar.tar.gz\r\n'
} ]
bogusDirs = {
'name': '/home/foo',
'subdirs':
[ {'name': '/home/foo/dir1',
'subdirs': []},
{'name': '/home/foo/dir2',
'subdirs': []}
]
}
class BogusAvatar(object):
__implements__ = (ftp.IFTPShell,)
filesize = None
def __init__(self):
self.user = None # user name
self.uid = None # uid of anonymous user for shell
self.gid = None # gid of anonymous user for shell
self.clientwd = None
self.tld = None
self.debug = True
def pwd(self):
pass
def cwd(self, path):
pass
def cdup(self):
pass
def dele(self, path):
pass
def mkd(self, path):
pass
def rmd(self, path):
pass
def retr(self, path=None):
log.debug('BogusAvatar.retr')
if path == 'ASCII':
text = """this is a line with a dos terminator\r\n
this is a line with a unix terminator\n"""
else:
self.path = path
if self.filesize is not None: # self.filesize is used in the sanity check
size = self.filesize
else:
size = bogusfiles[0]['size']
endln = ['\r','\n']
text = []
for n in xrange(size/26):
line = [chr(x) for x in xrange(97,123)]
line.extend(endln)
text.extend(line)
del text[(size - 2):]
text.extend(endln)
sio = NonClosingStringIO(''.join(text))
self.finalFileSize = len(sio.getvalue())
log.msg("BogusAvatar.retr: file size = %d" % self.finalFileSize)
sio.seek(0)
self.sentfile = sio
return (sio, self.finalFileSize)
def stor(self, params):
pass
def list(self, path):
sio = NonClosingStringIO()
for f in bogusfiles:
sio.write(f['listrep'])
sio.seek(0)
self.sentlist = sio
return (sio, len(sio.getvalue()))
def mdtm(self, path):
pass
def size(self, path):
pass
def nlist(self, path):
pass
class FTPTestCase(unittest.TestCase):
def setUp(self):
self.cnx = ConnectedFTPServer()
def tearDown(self):
delayeds = reactor.getDelayedCalls()
for d in delayeds:
d.cancel()
self.cnx = None
class TestUtilityFunctions(unittest.TestCase):
def testCleanPath(self):
import os.path as osp
evilPaths = [r"..\/*/foobar/ding//dong/\\**",
r"../../\\**/*/fhet/*/..///\\//..///#$#221./*"]
exorcisedPaths = ["..\/foobar/ding/dong","../../../#$#221."]
for i in range(len(evilPaths)):
cp = ftp.cleanPath(evilPaths[i])
self.failUnlessEqual(cp, exorcisedPaths[i])
log.msg(cp)
testCleanPath.skip = 'this test needs more work'
class TestFTPFactory(FTPTestCase):
def testBuildProtocol(self):
ftpf = ftp.FTPFactory(maxProtocolInstances=1)
cinum = ftpf.currentInstanceNum
p = ftpf.buildProtocol(('i', None, 30000))
self.failUnless(components.implements(ftpf, interfaces.IProtocolFactory),
"FTPFactory does not implement interfaces.IProtocolFactory")
self.failUnless(components.implements(p, interfaces.IProtocol),
"protocol instance does not implement interfaces.IProtocol")
self.failUnlessEqual(p.protocol, ftpf.protocol)
self.failUnlessEqual(p.protocol, ftp.FTP)
self.failUnlessEqual(p.portal, ftpf.portal)
self.failUnlessEqual(p.timeOut, ftp.FTPFactory.timeOut)
self.failUnlessEqual(p.factory, ftpf)
self.failUnlessEqual(ftpf.currentInstanceNum, cinum + 1)
self.failUnlessEqual(p.instanceNum, ftpf.currentInstanceNum)
self.failUnlessEqual(len(ftpf.instances), 1)
self.failUnlessEqual(ftpf.instances[0], p)
testBuildProtocol.skip = "add test for maxProtocolInstances=None"
class TestFTPServer(FTPTestCase):
def testNotLoggedInReply(self):
cli, sr, iop, send = self.cnx.getCSTuple()
cmdlist = ['CDUP', 'CWD', 'LIST', 'MODE', 'PASV', 'PORT',
'PWD', 'RETR', 'STRU', 'SYST', 'TYPE']
for cmd in cmdlist:
send(cmd)
self.failUnless(cli.lines > 0)
self.assertEqual(cli.lines[-1], ftp.RESPONSE[ftp.NOT_LOGGED_IN])
def testBadCmdSequenceReply(self):
cli, sr, iop, send = self.cnx.getCSTuple()
send('PASS')
self.failUnless(cli.lines > 0)
self.assertEqual(cli.lines[-1],
ftp.RESPONSE[ftp.BAD_CMD_SEQ] % 'USER required before PASS')
def testBadCmdSequenceReplyPartTwo(self):
cli, sr, iop, send = self.cnx.getCSTuple()
self.cnx.loadAvatar()
self.failUnlessRaises(ftp.BadCmdSequenceError, self.cnx.s.ftp_RETR,'foo')
#self.assertEqual(cli.lines[-1], ftp.RESPONSE[ftp.BAD_CMD_SEQ] % 'must send PORT or PASV before RETR')
log.flushErrors(ftp.BadCmdSequenceError)
def testCmdNotImplementedForArgErrors(self):
cli, sr, iop, send = self.cnx.getCSTuple()
self.cnx.loadAvatar()
self.failUnlessRaises(ftp.CmdNotImplementedForArgError, self.cnx.s.ftp_MODE, 'z')
self.failUnlessRaises(ftp.CmdNotImplementedForArgError, self.cnx.s.ftp_STRU, 'I')
def testDecodeHostPort(self):
self.assertEquals(self.cnx.s.decodeHostPort('25,234,129,22,100,23'),
('25.234.129.22', 25623))
def testPASV(self):
cli, sr, iop, send = self.cnx.getCSTuple()
self.cnx.loadAvatar()
self.cnx.s.ftp_PASV()
iop.flush()
reply = cli.lines[-1]
self.assert_(re.search(r'227 =.*,[0-2]?[0-9]?[0-9],[0-2]?[0-9]?[0-9]',cli.lines[-1]))
def testTYPE(self):
cli, sr, iop, send = self.cnx.getCSTuple()
self.cnx.loadAvatar()
for n in ['I', 'A', 'L', 'i', 'a', 'l']:
self.cnx.s.ftp_TYPE(n)
iop.flush()
self.assertEquals(cli.lines[-1], ftp.RESPONSE[ftp.TYPE_SET_OK] % n.upper())
if n in ['I', 'L', 'i', 'l']:
self.assertEquals(self.cnx.s.binary, True)
else:
self.assertEquals(self.cnx.s.binary, False)
s = ftp.FTP()
okParams = ['i', 'a', 'l']
for n in [chr(x) for x in xrange(97,123)]:
if n not in okParams:
self.failUnlessRaises(ftp.CmdArgSyntaxError, s.ftp_TYPE, n)
self.cnx.hookUpDTP()
dc, ds, diop = self.cnx.getDtpCSTuple()
sr.dtpTxfrMode = ftp.PASV
sr.ftp_TYPE('A') # set ascii mode
self.assertEquals(self.cnx.s.binary, False)
iop.flush()
diop.flush()
log.debug('flushed buffers, about to run RETR')
sr.ftp_RETR('ASCII')
iop.flush()
diop.flush()
self.failUnless(len(dc.rawData) >= 1)
log.msg(dc.rawData)
rx = ''.join(dc.rawData)
log.msg(rx)
self.failUnlessEqual(rx.count('\r\n'), 2, "more than 2 \\r\\n's ")
self.fail('test is not complete')
testTYPE.skip = 'rework tests to make sure only binary is supported'
def testRETR(self):
cli, sr, iop, send = self.cnx.getCSTuple()
avatar = self.cnx.loadAvatar()
sr.ftp_TYPE('L')
self.assert_(self.cnx.s.binary == True)
iop.flush()
self.cnx.hookUpDTP()
dc, ds, diop = self.cnx.getDtpCSTuple()
sr.dtpTxfrMode = ftp.PASV
self.assert_(sr.blocked is None)
self.assert_(sr.dtpTxfrMode == ftp.PASV)
log.msg('about to send RETR command')
filename = '/home/foo/foo.txt'
send('RETR %s' % filename)
iop.flush()
diop.flush()
log.msg('dc.rawData: %s' % dc.rawData)
self.assert_(len(dc.rawData) >= 1)
self.failUnlessEqual(avatar.path, filename)
rx = ''.join(dc.rawData)
self.failUnlessEqual(rx, avatar.sentfile.getvalue())
testRETR.skip = 'awaiting MASSIVE refactoring of ftp.py'
def testSYST(self):
cli, sr, iop, send = self.cnx.getCSTuple()
self.cnx.loadAvatar()
self.cnx.s.ftp_SYST()
iop.flush()
self.assertEquals(cli.lines[-1], ftp.RESPONSE[ftp.NAME_SYS_TYPE])
def testLIST(self):
cli, sr, iop, send = self.cnx.getCSTuple()
avatar = self.cnx.loadAvatar()
sr.dtpTxfrMode = ftp.PASV
self.cnx.hookUpDTP()
dc, ds, diop = self.cnx.getDtpCSTuple()
self.assert_(hasattr(self.cnx.s, 'binary'))
self.cnx.s.binary = True
sr.ftp_LIST('/')
iop.flush()
diop.flush()
log.debug('dc.rawData: %s' % dc.rawData)
self.assert_(len(dc.rawData) > 1)
avatarsent = avatar.sentlist.getvalue()
dcrx = ''.join(dc.rawData)
#print avatarsent.strip(), dcrx.strip()
self.assertEqual(avatarsent, dcrx,
"""
avatar's sentlist != dtp client's ''.join(rawData)
avatar's sentlist:
%s
''.join(dc.rawData):
%s
""" % (avatarsent, dcrx))
#testLIST.todo = 'something is b0rK3n'
class TestDTPTesting(FTPTestCase):
def testDTPTestingSanityCheck(self):
filesizes = [(n*100) for n in xrange(100,110)]
for fs in filesizes:
self.tearDown()
self.setUp()
self.runtest(fs)
def runtest(self, filesize):
cli, sr, iop, send = self.cnx.getCSTuple()
avatar = self.cnx.loadAvatar()
avatar.filesize = filesize
sr.dtpTxfrMode = ftp.PASV
sr.binary = True # set transfer mode to binary
self.cnx.hookUpDTP()
dc, ds, diop = self.cnx.getDtpCSTuple()
sr.ftp_RETR('')
iop.flush()
diop.flush()
log.debug('dc.rawData size: %d' % len(dc.rawData))
rxLines = ''.join(dc.rawData)
lenRxLines = len(rxLines)
sizes = 'filesize before txmit: %d, filesize after txmit: %d' % (avatar.finalFileSize, lenRxLines)
percent = 'percent actually received %f' % ((float(lenRxLines) / float(avatar.finalFileSize))*100)
log.debug(sizes)
log.debug(percent)
self.assertEquals(lenRxLines, avatar.finalFileSize)
class TestAnonymousAvatar(FTPTestCase):
def testAnonymousLogin(self):
c, s, pump, send = self.cnx.getCSTuple()
pump.flush()
got = c.lines[-2:]
wanted = ftp.RESPONSE[ftp.WELCOME_MSG].split('\r\n')
self.assertEquals(wanted, got, "wanted: %s\n\ngot: %s" % (wanted,got))
c.sendLine('USER anonymous')
pump.flush()
self.assertEquals(c.lines[-1], ftp.RESPONSE[ftp.GUEST_NAME_OK_NEED_EMAIL])
c.sendLine('PASS w00t@twistedmatrix.com')
pump.flush()
wanted = ftp.RESPONSE[ftp.GUEST_LOGGED_IN_PROCEED]
got = c.lines[-1]
self.assertEquals(wanted, got, "wanted: %s\n\ngot: %s" % (wanted,got))
testAnonymousLogin.skip = 'this test needs to be refactored'
def doAnonymousLogin(self,c,s,pump):
c, s, pump, send = self.cnx.getCSTuple()
pump.flush()
c.sendLine('USER anonymous')
pump.flush()
c.sendLine('PASS w00t@twistedmatrix.com')
pump.flush()
def testPWDOnLogin(self):
c, s, pump, send = self.cnx.getCSTuple()
self.doAnonymousLogin(c,s,pump)
c.sendLine('PWD')
pump.flush()
self.assertEquals(c.lines[-1], '257 "/" is current directory.')
testPWDOnLogin.skip = 'need to implement fake filesystem for testing'
def testCWD(self):
import warnings
warnings.warn("""This test is VERY FRAGILE! in fact, its so fragile it won't run on any other computer but mine""")
c, s, pump, send = self.cnx.getCSTuple()
send = c.sendLine
flush = pump.flush
self.doAnonymousLogin(c,s,pump)
send('CWD src'); flush()
self.assertEquals(c.lines[-1], ftp.RESPONSE[ftp.REQ_FILE_ACTN_COMPLETED_OK])
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/src" is current directory.')
send('CWD freemind'); flush()
self.assertEquals(c.lines[-1], ftp.RESPONSE[ftp.REQ_FILE_ACTN_COMPLETED_OK])
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/src/freemind" is current directory.')
send('CWD ../radix'); flush()
self.assertEquals(c.lines[-1], ftp.RESPONSE[ftp.REQ_FILE_ACTN_COMPLETED_OK])
send('PWD'); flush()
send('CWD ../../../'); flush()
testCWD.skip = 'need to implement fake filesystem for testing'
def testCDUP(self):
c, s, pump, send = self.cnx.getCSTuple()
send = c.sendLine
flush = pump.flush
self.doAnonymousLogin(c,s,pump)
send('CWD src/freemind/doc'); flush()
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/src/freemind/doc" is current directory.')
send('CDUP'); flush()
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/src/freemind" is current directory.')
send('CDUP'); flush()
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/src" is current directory.')
send('CDUP'); flush()
send('PWD'); flush()
self.assertEquals(c.lines[-1], '257 "/" is current directory.')
testCDUP.skip = 'need to implement fake filesystem for testing'
# def testWelcomeMessage(self):
# c, s, pump, send = self.cnx.getCSTuple()
# pump.flush()
# self.assertEquals(c.lines[-1], ftp.RESPONSE[ftp.WELCOME_MSG])
#
# testWelcomeMessage.todo = 'not ready yet'
def testGetUserUIDAndGID(self):
pass
#TestAnonymousAvatar.skip = 'skip until we can support it'
# -- Experimenting with process protocol
class ChildProcessProtocol(protocol.ProcessProtocol):
def __init__(self, doneLoading):
self.doneLoading = doneLoading
def outReceived(self, data):
if 'set uid/gid' in data:
self.doneLoading.callback("twistd ready")
def errReceived(self, data):
self.doneLoading.errback(data)
def processEnded(self, status):
self.doneLoading.callback("It's done")
# -- Client Tests -----------------------------------------------------------
class PrintLines(protocol.Protocol):
"""Helper class used by FTPFileListingTests."""
def __init__(self, lines):
self._lines = lines
def connectionMade(self):
for line in self._lines:
self.transport.write(line + "\r\n")
self.transport.loseConnection()
class MyFTPFileListProtocol(ftp.FTPFileListProtocol):
def __init__(self):
self.other = []
ftp.FTPFileListProtocol.__init__(self)
def unknownLine(self, line):
self.other.append(line)
class FTPFileListingTests(unittest.TestCase):
def getFilesForLines(self, lines):
fileList = MyFTPFileListProtocol()
loopback.loopback(PrintLines(lines), fileList)
return fileList.files, fileList.other
def testOneLine(self):
# This example line taken from the docstring for FTPFileListProtocol
line = '-rw-r--r-- 1 root other 531 Jan 29 03:26 README'
(file,), other = self.getFilesForLines([line])
self.failIf(other, 'unexpect unparsable lines: %s' % repr(other))
self.failUnless(file['filetype'] == '-', 'misparsed fileitem')
self.failUnless(file['perms'] == 'rw-r--r--', 'misparsed perms')
self.failUnless(file['owner'] == 'root', 'misparsed fileitem')
self.failUnless(file['group'] == 'other', 'misparsed fileitem')
self.failUnless(file['size'] == 531, 'misparsed fileitem')
self.failUnless(file['date'] == 'Jan 29 03:26', 'misparsed fileitem')
self.failUnless(file['filename'] == 'README', 'misparsed fileitem')
self.failUnless(file['nlinks'] == 1, 'misparsed nlinks')
self.failIf(file['linktarget'], 'misparsed linktarget')
def testVariantLines(self):
line1 = 'drw-r--r-- 2 root other 531 Jan 9 2003 A'
line2 = 'lrw-r--r-- 1 root other 1 Jan 29 03:26 B -> A'
line3 = 'woohoo! '
(file1, file2), (other,) = self.getFilesForLines([line1, line2, line3])
self.failUnless(other == 'woohoo! \r', 'incorrect other line')
# file 1
self.failUnless(file1['filetype'] == 'd', 'misparsed fileitem')
self.failUnless(file1['perms'] == 'rw-r--r--', 'misparsed perms')
self.failUnless(file1['owner'] == 'root', 'misparsed owner')
self.failUnless(file1['group'] == 'other', 'misparsed group')
self.failUnless(file1['size'] == 531, 'misparsed size')
self.failUnless(file1['date'] == 'Jan 9 2003', 'misparsed date')
self.failUnless(file1['filename'] == 'A', 'misparsed filename')
self.failUnless(file1['nlinks'] == 2, 'misparsed nlinks')
self.failIf(file1['linktarget'], 'misparsed linktarget')
# file 2
self.failUnless(file2['filetype'] == 'l', 'misparsed fileitem')
self.failUnless(file2['perms'] == 'rw-r--r--', 'misparsed perms')
self.failUnless(file2['owner'] == 'root', 'misparsed owner')
self.failUnless(file2['group'] == 'other', 'misparsed group')
self.failUnless(file2['size'] == 1, 'misparsed size')
self.failUnless(file2['date'] == 'Jan 29 03:26', 'misparsed date')
self.failUnless(file2['filename'] == 'B', 'misparsed filename')
self.failUnless(file2['nlinks'] == 1, 'misparsed nlinks')
self.failUnless(file2['linktarget'] == 'A', 'misparsed linktarget')
def testUnknownLine(self):
files, others = self.getFilesForLines(['ABC', 'not a file'])
self.failIf(files, 'unexpected file entries')
self.failUnless(others == ['ABC\r', 'not a file\r'],
'incorrect unparsable lines: %s' % repr(others))
def testYear(self):
# This example derived from bug description in issue 514.
fileList = ftp.FTPFileListProtocol()
class PrintLine(protocol.Protocol):
def connectionMade(self):
self.transport.write('-rw-r--r-- 1 root other 531 Jan 29 2003 README\n')
self.transport.loseConnection()
loopback.loopback(PrintLine(), fileList)
file = fileList.files[0]
self.failUnless(file['size'] == 531, 'misparsed fileitem')
self.failUnless(file['date'] == 'Jan 29 2003', 'misparsed fileitem')
self.failUnless(file['filename'] == 'README', 'misparsed fileitem')
class FTPClientTests(unittest.TestCase):
def testFailedRETR(self):
try:
f = protocol.Factory()
f.noisy = 0
f.protocol = protocol.Protocol
port = reactor.listenTCP(0, f, interface="127.0.0.1")
n = port.getHost()[2]
# This test data derived from a bug report by ranty on #twisted
responses = ['220 ready, dude (vsFTPd 1.0.0: beat me, break me)',
# USER anonymous
'331 Please specify the password.',
# PASS twisted@twistedmatrix.com
'230 Login successful. Have fun.',
# TYPE I
'200 Binary it is, then.',
# PASV
'227 Entering Passive Mode (127,0,0,1,%d,%d)' %
(n>>8, n&0xff),
# RETR /file/that/doesnt/exist
'550 Failed to open file.']
b = StringIOWithoutClosing()
client = ftp.FTPClient(passive=1)
client.makeConnection(protocol.FileWrapper(b))
self.writeResponses(client, responses)
p = protocol.Protocol()
d = client.retrieveFile('/file/that/doesnt/exist', p)
d.addCallback(lambda r, self=self:
self.fail('Callback incorrectly called: %r' % r))
d.addBoth(lambda ignored,r=reactor: r.crash())
id = reactor.callLater(2, self.timeout)
reactor.run()
log.flushErrors(ftp.FTPError)
try:
id.cancel()
except:
pass
finally:
try:
port.stopListening()
reactor.iterate()
except:
pass
def timeout(self):
reactor.crash()
self.fail('Timed out')
def writeResponses(self, protocol, responses):
for response in responses:
reactor.callLater(0.1, protocol.lineReceived, response)
def testErrbacksUponDisconnect(self):
ftpClient = ftp.FTPClient()
d = ftpClient.list('some path', Dummy())
m = []
def _eb(failure):
m.append(failure)
return None
d.addErrback(_eb)
from twisted.internet.main import CONNECTION_LOST
ftpClient.connectionLost(failure.Failure(CONNECTION_LOST))
self.failUnless(1, len(m))
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