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- """Test script for ftplib module."""
-
- # Modified by Giampaolo Rodola' to test FTP class and IPv6 environment
-
- import ftplib
- import threading
- import asyncore
- import asynchat
- import socket
- import StringIO
-
- from unittest import TestCase
- from test import test_support
- from test.test_support import HOST
-
-
- # the dummy data returned by server over the data channel when
- # RETR, LIST and NLST commands are issued
- RETR_DATA = 'abcde12345\r\n' * 1000
- LIST_DATA = 'foo\r\nbar\r\n'
- NLST_DATA = 'foo\r\nbar\r\n'
-
-
- class DummyDTPHandler(asynchat.async_chat):
-
- def __init__(self, conn, baseclass):
- asynchat.async_chat.__init__(self, conn)
- self.baseclass = baseclass
- self.baseclass.last_received_data = ''
-
- def handle_read(self):
- self.baseclass.last_received_data += self.recv(1024)
-
- def handle_close(self):
- self.baseclass.push('226 transfer complete')
- self.close()
-
-
- class DummyFTPHandler(asynchat.async_chat):
-
- def __init__(self, conn):
- asynchat.async_chat.__init__(self, conn)
- self.set_terminator("\r\n")
- self.in_buffer = []
- self.dtp = None
- self.last_received_cmd = None
- self.last_received_data = ''
- self.next_response = ''
- self.push('220 welcome')
-
- def collect_incoming_data(self, data):
- self.in_buffer.append(data)
-
- def found_terminator(self):
- line = ''.join(self.in_buffer)
- self.in_buffer = []
- if self.next_response:
- self.push(self.next_response)
- self.next_response = ''
- cmd = line.split(' ')[0].lower()
- self.last_received_cmd = cmd
- space = line.find(' ')
- if space != -1:
- arg = line[space + 1:]
- else:
- arg = ""
- if hasattr(self, 'cmd_' + cmd):
- method = getattr(self, 'cmd_' + cmd)
- method(arg)
- else:
- self.push('550 command "%s" not understood.' %cmd)
-
- def handle_error(self):
- raise
-
- def push(self, data):
- asynchat.async_chat.push(self, data + '\r\n')
-
- def cmd_port(self, arg):
- addr = map(int, arg.split(','))
- ip = '%d.%d.%d.%d' %tuple(addr[:4])
- port = (addr[4] * 256) + addr[5]
- s = socket.create_connection((ip, port), timeout=2)
- self.dtp = DummyDTPHandler(s, baseclass=self)
- self.push('200 active data connection established')
-
- def cmd_pasv(self, arg):
- sock = socket.socket()
- sock.bind((self.socket.getsockname()[0], 0))
- sock.listen(5)
- sock.settimeout(2)
- ip, port = sock.getsockname()[:2]
- ip = ip.replace('.', ','); p1 = port / 256; p2 = port % 256
- self.push('227 entering passive mode (%s,%d,%d)' %(ip, p1, p2))
- conn, addr = sock.accept()
- self.dtp = DummyDTPHandler(conn, baseclass=self)
-
- def cmd_eprt(self, arg):
- af, ip, port = arg.split(arg[0])[1:-1]
- port = int(port)
- s = socket.create_connection((ip, port), timeout=2)
- self.dtp = DummyDTPHandler(s, baseclass=self)
- self.push('200 active data connection established')
-
- def cmd_epsv(self, arg):
- sock = socket.socket(socket.AF_INET6)
- sock.bind((self.socket.getsockname()[0], 0))
- sock.listen(5)
- sock.settimeout(2)
- port = sock.getsockname()[1]
- self.push('229 entering extended passive mode (|||%d|)' %port)
- conn, addr = sock.accept()
- self.dtp = DummyDTPHandler(conn, baseclass=self)
-
- def cmd_echo(self, arg):
- # sends back the received string (used by the test suite)
- self.push(arg)
-
- def cmd_user(self, arg):
- self.push('331 username ok')
-
- def cmd_pass(self, arg):
- self.push('230 password ok')
-
- def cmd_acct(self, arg):
- self.push('230 acct ok')
-
- def cmd_rnfr(self, arg):
- self.push('350 rnfr ok')
-
- def cmd_rnto(self, arg):
- self.push('250 rnto ok')
-
- def cmd_dele(self, arg):
- self.push('250 dele ok')
-
- def cmd_cwd(self, arg):
- self.push('250 cwd ok')
-
- def cmd_size(self, arg):
- self.push('250 1000')
-
- def cmd_mkd(self, arg):
- self.push('257 "%s"' %arg)
-
- def cmd_rmd(self, arg):
- self.push('250 rmd ok')
-
- def cmd_pwd(self, arg):
- self.push('257 "pwd ok"')
-
- def cmd_type(self, arg):
- self.push('200 type ok')
-
- def cmd_quit(self, arg):
- self.push('221 quit ok')
- self.close()
-
- def cmd_stor(self, arg):
- self.push('125 stor ok')
-
- def cmd_retr(self, arg):
- self.push('125 retr ok')
- self.dtp.push(RETR_DATA)
- self.dtp.close_when_done()
-
- def cmd_list(self, arg):
- self.push('125 list ok')
- self.dtp.push(LIST_DATA)
- self.dtp.close_when_done()
-
- def cmd_nlst(self, arg):
- self.push('125 nlst ok')
- self.dtp.push(NLST_DATA)
- self.dtp.close_when_done()
-
-
- class DummyFTPServer(asyncore.dispatcher, threading.Thread):
-
- handler = DummyFTPHandler
-
- def __init__(self, address, af=socket.AF_INET):
- threading.Thread.__init__(self)
- asyncore.dispatcher.__init__(self)
- self.create_socket(af, socket.SOCK_STREAM)
- self.bind(address)
- self.listen(5)
- self.active = False
- self.active_lock = threading.Lock()
- self.host, self.port = self.socket.getsockname()[:2]
-
- def start(self):
- assert not self.active
- self.__flag = threading.Event()
- threading.Thread.start(self)
- self.__flag.wait()
-
- def run(self):
- self.active = True
- self.__flag.set()
- while self.active and asyncore.socket_map:
- self.active_lock.acquire()
- asyncore.loop(timeout=0.1, count=1)
- self.active_lock.release()
- asyncore.close_all(ignore_all=True)
-
- def stop(self):
- assert self.active
- self.active = False
- self.join()
-
- def handle_accept(self):
- conn, addr = self.accept()
- self.handler = self.handler(conn)
- self.close()
-
- def handle_connect(self):
- self.close()
- handle_read = handle_connect
-
- def writable(self):
- return 0
-
- def handle_error(self):
- raise
-
-
- class TestFTPClass(TestCase):
-
- def setUp(self):
- self.server = DummyFTPServer((HOST, 0))
- self.server.start()
- self.client = ftplib.FTP(timeout=2)
- self.client.connect(self.server.host, self.server.port)
-
- def tearDown(self):
- self.client.close()
- self.server.stop()
-
- def test_getwelcome(self):
- self.assertEqual(self.client.getwelcome(), '220 welcome')
-
- def test_sanitize(self):
- self.assertEqual(self.client.sanitize('foo'), repr('foo'))
- self.assertEqual(self.client.sanitize('pass 12345'), repr('pass *****'))
- self.assertEqual(self.client.sanitize('PASS 12345'), repr('PASS *****'))
-
- def test_exceptions(self):
- self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 400')
- self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 499')
- self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'echo 500')
- self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'echo 599')
- self.assertRaises(ftplib.error_proto, self.client.sendcmd, 'echo 999')
-
- def test_all_errors(self):
- exceptions = (ftplib.error_reply, ftplib.error_temp, ftplib.error_perm,
- ftplib.error_proto, ftplib.Error, IOError, EOFError)
- for x in exceptions:
- try:
- raise x('exception not included in all_errors set')
- except ftplib.all_errors:
- pass
-
- def test_set_pasv(self):
- # passive mode is supposed to be enabled by default
- self.assertTrue(self.client.passiveserver)
- self.client.set_pasv(True)
- self.assertTrue(self.client.passiveserver)
- self.client.set_pasv(False)
- self.assertFalse(self.client.passiveserver)
-
- def test_voidcmd(self):
- self.client.voidcmd('echo 200')
- self.client.voidcmd('echo 299')
- self.assertRaises(ftplib.error_reply, self.client.voidcmd, 'echo 199')
- self.assertRaises(ftplib.error_reply, self.client.voidcmd, 'echo 300')
-
- def test_login(self):
- self.client.login()
-
- def test_acct(self):
- self.client.acct('passwd')
-
- def test_rename(self):
- self.client.rename('a', 'b')
- self.server.handler.next_response = '200'
- self.assertRaises(ftplib.error_reply, self.client.rename, 'a', 'b')
-
- def test_delete(self):
- self.client.delete('foo')
- self.server.handler.next_response = '199'
- self.assertRaises(ftplib.error_reply, self.client.delete, 'foo')
-
- def test_size(self):
- self.client.size('foo')
-
- def test_mkd(self):
- dir = self.client.mkd('/foo')
- self.assertEqual(dir, '/foo')
-
- def test_rmd(self):
- self.client.rmd('foo')
-
- def test_pwd(self):
- dir = self.client.pwd()
- self.assertEqual(dir, 'pwd ok')
-
- def test_quit(self):
- self.assertEqual(self.client.quit(), '221 quit ok')
- # Ensure the connection gets closed; sock attribute should be None
- self.assertEqual(self.client.sock, None)
-
- def test_retrbinary(self):
- received = []
- self.client.retrbinary('retr', received.append)
- self.assertEqual(''.join(received), RETR_DATA)
-
- def test_retrlines(self):
- received = []
- self.client.retrlines('retr', received.append)
- self.assertEqual(''.join(received), RETR_DATA.replace('\r\n', ''))
-
- def test_storbinary(self):
- f = StringIO.StringIO(RETR_DATA)
- self.client.storbinary('stor', f)
- self.assertEqual(self.server.handler.last_received_data, RETR_DATA)
- # test new callback arg
- flag = []
- f.seek(0)
- self.client.storbinary('stor', f, callback=lambda x: flag.append(None))
- self.assertTrue(flag)
-
- def test_storlines(self):
- f = StringIO.StringIO(RETR_DATA.replace('\r\n', '\n'))
- self.client.storlines('stor', f)
- self.assertEqual(self.server.handler.last_received_data, RETR_DATA)
- # test new callback arg
- flag = []
- f.seek(0)
- self.client.storlines('stor foo', f, callback=lambda x: flag.append(None))
- self.assertTrue(flag)
-
- def test_nlst(self):
- self.client.nlst()
- self.assertEqual(self.client.nlst(), NLST_DATA.split('\r\n')[:-1])
-
- def test_dir(self):
- l = []
- self.client.dir(lambda x: l.append(x))
- self.assertEqual(''.join(l), LIST_DATA.replace('\r\n', ''))
-
- def test_makeport(self):
- self.client.makeport()
- # IPv4 is in use, just make sure send_eprt has not been used
- self.assertEqual(self.server.handler.last_received_cmd, 'port')
-
- def test_makepasv(self):
- host, port = self.client.makepasv()
- conn = socket.create_connection((host, port), 2)
- conn.close()
- # IPv4 is in use, just make sure send_epsv has not been used
- self.assertEqual(self.server.handler.last_received_cmd, 'pasv')
-
-
- class TestIPv6Environment(TestCase):
-
- def setUp(self):
- self.server = DummyFTPServer((HOST, 0), af=socket.AF_INET6)
- self.server.start()
- self.client = ftplib.FTP()
- self.client.connect(self.server.host, self.server.port)
-
- def tearDown(self):
- self.client.close()
- self.server.stop()
-
- def test_af(self):
- self.assertEqual(self.client.af, socket.AF_INET6)
-
- def test_makeport(self):
- self.client.makeport()
- self.assertEqual(self.server.handler.last_received_cmd, 'eprt')
-
- def test_makepasv(self):
- host, port = self.client.makepasv()
- conn = socket.create_connection((host, port), 2)
- conn.close()
- self.assertEqual(self.server.handler.last_received_cmd, 'epsv')
-
- def test_transfer(self):
- def retr():
- received = []
- self.client.retrbinary('retr', received.append)
- self.assertEqual(''.join(received), RETR_DATA)
- self.client.set_pasv(True)
- retr()
- self.client.set_pasv(False)
- retr()
-
-
- class TestTimeouts(TestCase):
-
- def setUp(self):
- self.evt = threading.Event()
- self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- self.sock.settimeout(3)
- self.port = test_support.bind_port(self.sock)
- threading.Thread(target=self.server, args=(self.evt,self.sock)).start()
- # Wait for the server to be ready.
- self.evt.wait()
- self.evt.clear()
- ftplib.FTP.port = self.port
-
- def tearDown(self):
- self.evt.wait()
-
- def server(self, evt, serv):
- # This method sets the evt 3 times:
- # 1) when the connection is ready to be accepted.
- # 2) when it is safe for the caller to close the connection
- # 3) when we have closed the socket
- serv.listen(5)
- # (1) Signal the caller that we are ready to accept the connection.
- evt.set()
- try:
- conn, addr = serv.accept()
- except socket.timeout:
- pass
- else:
- conn.send("1 Hola mundo\n")
- # (2) Signal the caller that it is safe to close the socket.
- evt.set()
- conn.close()
- finally:
- serv.close()
- # (3) Signal the caller that we are done.
- evt.set()
-
- def testTimeoutDefault(self):
- # default -- use global socket timeout
- self.assert_(socket.getdefaulttimeout() is None)
- socket.setdefaulttimeout(30)
- try:
- ftp = ftplib.FTP("localhost")
- finally:
- socket.setdefaulttimeout(None)
- self.assertEqual(ftp.sock.gettimeout(), 30)
- self.evt.wait()
- ftp.close()
-
- def testTimeoutNone(self):
- # no timeout -- do not use global socket timeout
- self.assert_(socket.getdefaulttimeout() is None)
- socket.setdefaulttimeout(30)
- try:
- ftp = ftplib.FTP("localhost", timeout=None)
- finally:
- socket.setdefaulttimeout(None)
- self.assertTrue(ftp.sock.gettimeout() is None)
- self.evt.wait()
- ftp.close()
-
- def testTimeoutValue(self):
- # a value
- ftp = ftplib.FTP(HOST, timeout=30)
- self.assertEqual(ftp.sock.gettimeout(), 30)
- self.evt.wait()
- ftp.close()
-
- def testTimeoutConnect(self):
- ftp = ftplib.FTP()
- ftp.connect(HOST, timeout=30)
- self.assertEqual(ftp.sock.gettimeout(), 30)
- self.evt.wait()
- ftp.close()
-
- def testTimeoutDifferentOrder(self):
- ftp = ftplib.FTP(timeout=30)
- ftp.connect(HOST)
- self.assertEqual(ftp.sock.gettimeout(), 30)
- self.evt.wait()
- ftp.close()
-
- def testTimeoutDirectAccess(self):
- ftp = ftplib.FTP()
- ftp.timeout = 30
- ftp.connect(HOST)
- self.assertEqual(ftp.sock.gettimeout(), 30)
- self.evt.wait()
- ftp.close()
-
-
- def test_main():
- tests = [TestFTPClass, TestTimeouts]
- if socket.has_ipv6:
- try:
- DummyFTPServer((HOST, 0), af=socket.AF_INET6)
- except socket.error:
- pass
- else:
- tests.append(TestIPv6Environment)
- thread_info = test_support.threading_setup()
- try:
- test_support.run_unittest(*tests)
- finally:
- test_support.threading_cleanup(*thread_info)
-
-
- if __name__ == '__main__':
- test_main()
-