[Python-checkins] r66878 - python/trunk/Lib/test/test_poplib.py
benjamin.peterson
python-checkins at python.org
Sat Oct 11 19:25:37 CEST 2008
Author: benjamin.peterson
Date: Sat Oct 11 19:25:36 2008
New Revision: 66878
Log:
give poplib a real test suite
#4088 from Giampaolo Rodola'x
Modified:
python/trunk/Lib/test/test_poplib.py
Modified: python/trunk/Lib/test/test_poplib.py
==============================================================================
--- python/trunk/Lib/test/test_poplib.py (original)
+++ python/trunk/Lib/test/test_poplib.py Sat Oct 11 19:25:36 2008
@@ -1,43 +1,279 @@
-import socket
-import threading
+"""Test script for poplib module."""
+
+# Modified by Giampaolo Rodola' to give poplib.POP3 and poplib.POP3_SSL
+# a real test suite
+
import poplib
+import threading
+import asyncore
+import asynchat
+import socket
+import os
import time
from unittest import TestCase
from test import test_support
+from test.test_support import HOST
-HOST = test_support.HOST
-def server(evt, serv):
- serv.listen(5)
- try:
- conn, addr = serv.accept()
- except socket.timeout:
- pass
- else:
- conn.send("+ Hola mundo\n")
- conn.close()
- finally:
- serv.close()
- evt.set()
+# the dummy data returned by server when LIST and RETR commands are issued
+LIST_RESP = '1 1\r\n2 2\r\n3 3\r\n4 4\r\n5 5\r\n.\r\n'
+RETR_RESP = """From: postmaster at python.org\
+\r\nContent-Type: text/plain\r\n\
+MIME-Version: 1.0\r\n\
+Subject: Dummy\r\n\
+\r\n\
+line1\r\n\
+line2\r\n\
+line3\r\n\
+.\r\n"""
+
+
+class DummyPOP3Handler(asynchat.async_chat):
+
+ def __init__(self, conn):
+ asynchat.async_chat.__init__(self, conn)
+ self.set_terminator("\r\n")
+ self.in_buffer = []
+ self.push('+OK dummy pop3 server ready.')
+
+ def collect_incoming_data(self, data):
+ self.in_buffer.append(data)
+
+ def found_terminator(self):
+ line = ''.join(self.in_buffer)
+ self.in_buffer = []
+ cmd = line.split(' ')[0].lower()
+ 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('-ERR unrecognized POP3 command "%s".' %cmd)
+
+ def handle_error(self):
+ raise
+
+ def push(self, data):
+ asynchat.async_chat.push(self, data + '\r\n')
+
+ def cmd_echo(self, arg):
+ # sends back the received string (used by the test suite)
+ self.push(arg)
+
+ def cmd_user(self, arg):
+ if arg != "guido":
+ self.push("-ERR no such user")
+ self.push('+OK password required')
+
+ def cmd_pass(self, arg):
+ if arg != "python":
+ self.push("-ERR wrong password")
+ self.push('+OK 10 messages')
+
+ def cmd_stat(self, arg):
+ self.push('+OK 10 100')
+
+ def cmd_list(self, arg):
+ if arg:
+ self.push('+OK %s %s' %(arg, arg))
+ else:
+ self.push('+OK')
+ asynchat.async_chat.push(self, LIST_RESP)
+
+ cmd_uidl = cmd_list
+
+ def cmd_retr(self, arg):
+ self.push('+OK %s bytes' %len(RETR_RESP))
+ asynchat.async_chat.push(self, RETR_RESP)
+
+ cmd_top = cmd_retr
+
+ def cmd_dele(self, arg):
+ self.push('+OK message marked for deletion.')
+
+ def cmd_noop(self, arg):
+ self.push('+OK done nothing.')
+
+ def cmd_rpop(self, arg):
+ self.push('+OK done nothing.')
+
+
+class DummyPOP3Server(asyncore.dispatcher, threading.Thread):
+
+ handler = DummyPOP3Handler
+
+ 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 TestPOP3Class(TestCase):
-class GeneralTests(TestCase):
+ def assertOK(self, resp):
+ self.assertTrue(resp.startswith("+OK"))
+
+ def setUp(self):
+ self.server = DummyPOP3Server((HOST, 0))
+ self.server.start()
+ self.client = poplib.POP3(self.server.host, self.server.port)
+
+ def tearDown(self):
+ self.client.quit()
+ self.server.stop()
+
+ def test_getwelcome(self):
+ self.assertEqual(self.client.getwelcome(), '+OK dummy pop3 server ready.')
+
+ def test_exceptions(self):
+ self.assertRaises(poplib.error_proto, self.client._shortcmd, 'echo -err')
+
+ def test_user(self):
+ self.assertOK(self.client.user('guido'))
+ self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
+
+ def test_pass_(self):
+ self.assertOK(self.client.pass_('python'))
+ self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
+
+ def test_stat(self):
+ self.assertEqual(self.client.stat(), (10, 100))
+
+ def test_list(self):
+ self.assertEqual(self.client.list()[1:],
+ (['1 1', '2 2', '3 3', '4 4', '5 5'], 25))
+ self.assertTrue(self.client.list('1').endswith("OK 1 1"))
+
+ def test_retr(self):
+ expected = ('+OK 116 bytes',
+ ['From: postmaster at python.org', 'Content-Type: text/plain',
+ 'MIME-Version: 1.0', 'Subject: Dummy',
+ '', 'line1', 'line2', 'line3'],
+ 113)
+ self.assertEqual(self.client.retr('foo'), expected)
+
+ def test_dele(self):
+ self.assertOK(self.client.dele('foo'))
+
+ def test_noop(self):
+ self.assertOK(self.client.noop())
+
+ def test_rpop(self):
+ self.assertOK(self.client.rpop('foo'))
+
+ def test_top(self):
+ expected = ('+OK 116 bytes',
+ ['From: postmaster at python.org', 'Content-Type: text/plain',
+ 'MIME-Version: 1.0', 'Subject: Dummy', '',
+ 'line1', 'line2', 'line3'],
+ 113)
+ self.assertEqual(self.client.top(1, 1), expected)
+
+ def test_uidl(self):
+ self.client.uidl()
+ self.client.uidl('foo')
+
+
+SUPPORTS_SSL = False
+if hasattr(poplib, 'POP3_SSL'):
+ import ssl
+
+ SUPPORTS_SSL = True
+ CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert.pem")
+
+ class DummyPOP3_SSLHandler(DummyPOP3Handler):
+
+ def __init__(self, conn):
+ asynchat.async_chat.__init__(self, conn)
+ self.socket = ssl.wrap_socket(self.socket, certfile=CERTFILE,
+ server_side=True)
+ self.set_terminator("\r\n")
+ self.in_buffer = []
+ self.push('+OK dummy pop3 server ready.')
+
+ class TestPOP3_SSLClass(TestPOP3Class):
+ # repeat previous tests by using poplib.POP3_SSL
+
+ def setUp(self):
+ self.server = DummyPOP3Server((HOST, 0))
+ self.server.handler = DummyPOP3_SSLHandler
+ self.server.start()
+ self.client = poplib.POP3_SSL(self.server.host, self.server.port)
+
+ def test__all__(self):
+ self.assert_('POP3_SSL' in poplib.__all__)
+
+
+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=server, args=(self.evt,self.sock)).start()
+ threading.Thread(target=self.server, args=(self.evt,self.sock)).start()
time.sleep(.1)
def tearDown(self):
self.evt.wait()
- def testBasic(self):
- # connects
- pop = poplib.POP3(HOST, self.port)
- pop.sock.close()
+ def server(self, evt, serv):
+ serv.listen(5)
+ try:
+ conn, addr = serv.accept()
+ except socket.timeout:
+ pass
+ else:
+ conn.send("+ Hola mundo\n")
+ conn.close()
+ finally:
+ serv.close()
+ evt.set()
def testTimeoutDefault(self):
self.assertTrue(socket.getdefaulttimeout() is None)
@@ -65,8 +301,16 @@
pop.sock.close()
-def test_main(verbose=None):
- test_support.run_unittest(GeneralTests)
+def test_main():
+ tests = [TestPOP3Class, TestTimeouts]
+ if SUPPORTS_SSL:
+ tests.append(TestPOP3_SSLClass)
+ thread_info = test_support.threading_setup()
+ try:
+ test_support.run_unittest(*tests)
+ finally:
+ test_support.threading_cleanup(*thread_info)
+
if __name__ == '__main__':
test_main()
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