from test import support # If we end up with a significant number of tests that don't require # threading, this test module should be split. Right now we skip # them all if we don't have threading. threading = support.import_module('threading') from contextlib import contextmanager import imaplib import os.path import socketserver import time from test.support import reap_threads, verbose, transient_internet import unittest try: import ssl except ImportError: ssl = None CERTFILE = None class TestImaplib(unittest.TestCase): def test_that_Time2Internaldate_returns_a_result(self): # We can check only that it successfully produces a result, # not the correctness of the result itself, since the result # depends on the timezone the machine is in. timevalues = [2000000000, 2000000000.0, time.localtime(2000000000), '"18-May-2033 05:33:20 +0200"'] for t in timevalues: imaplib.Time2Internaldate(t) if ssl: class SecureTCPServer(socketserver.TCPServer): def get_request(self): newsocket, fromaddr = self.socket.accept() connstream = ssl.wrap_socket(newsocket, server_side=True, certfile=CERTFILE) return connstream, fromaddr IMAP4_SSL = imaplib.IMAP4_SSL else: class SecureTCPServer: pass IMAP4_SSL = None class SimpleIMAPHandler(socketserver.StreamRequestHandler): timeout = 1 def _send(self, message): if verbose: print("SENT:", message.strip()) self.wfile.write(message) def handle(self): # Send a welcome message. self._send(b'* OK IMAP4rev1\r\n') while 1: # Gather up input until we receive a line terminator or we timeout. # Accumulate read(1) because it's simpler to handle the differences # between naked sockets and SSL sockets. line = b'' while 1: try: part = self.rfile.read(1) if part == b'': # Naked sockets return empty strings.. return line += part except IOError: # ..but SSLSockets throw exceptions. return if line.endswith(b'\r\n'): break if verbose: print('GOT:', line.strip()) splitline = line.split() tag = splitline[0].decode('ASCII') cmd = splitline[1].decode('ASCII') args = splitline[2:] if hasattr(self, 'cmd_'+cmd): getattr(self, 'cmd_'+cmd)(tag, args) else: self._send('{} BAD {} unknown\r\n'.format(tag, cmd).encode('ASCII')) def cmd_CAPABILITY(self, tag, args): self._send(b'* CAPABILITY IMAP4rev1\r\n') self._send('{} OK CAPABILITY completed\r\n'.format(tag).encode('ASCII')) class BaseThreadedNetworkedTests(unittest.TestCase): def make_server(self, addr, hdlr): class MyServer(self.server_class): def handle_error(self, request, client_address): self.close_request(request) self.server_close() raise if verbose: print("creating server") server = MyServer(addr, hdlr) self.assertEquals(server.server_address, server.socket.getsockname()) if verbose: print("server created") print("ADDR =", addr) print("CLASS =", self.server_class) print("HDLR =", server.RequestHandlerClass) t = threading.Thread( name='%s serving' % self.server_class, target=server.serve_forever, # Short poll interval to make the test finish quickly. # Time between requests is short enough that we won't wake # up spuriously too many times. kwargs={'poll_interval':0.01}) t.daemon = True # In case this function raises. t.start() if verbose: print("server running") return server, t def reap_server(self, server, thread): if verbose: print("waiting for server") server.shutdown() thread.join() if verbose: print("done") @contextmanager def reaped_server(self, hdlr): server, thread = self.make_server((support.HOST, 0), hdlr) try: yield server finally: self.reap_server(server, thread) @reap_threads def test_connect(self): with self.reaped_server(SimpleIMAPHandler) as server: client = self.imap_class(*server.server_address) client.shutdown() @reap_threads def test_issue5949(self): class EOFHandler(socketserver.StreamRequestHandler): def handle(self): # EOF without sending a complete welcome message. self.wfile.write(b'* OK') with self.reaped_server(EOFHandler) as server: self.assertRaises(imaplib.IMAP4.abort, self.imap_class, *server.server_address) @reap_threads def test_line_termination(self): class BadNewlineHandler(SimpleIMAPHandler): def cmd_CAPABILITY(self, tag, args): self._send(b'* CAPABILITY IMAP4rev1 AUTH\n') self._send('{} OK CAPABILITY completed\r\n'.format(tag).encode('ASCII')) with self.reaped_server(BadNewlineHandler) as server: self.assertRaises(imaplib.IMAP4.abort, self.imap_class, *server.server_address) class ThreadedNetworkedTests(BaseThreadedNetworkedTests): server_class = socketserver.TCPServer imap_class = imaplib.IMAP4 @unittest.skipUnless(ssl, "SSL not available") class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests): server_class = SecureTCPServer imap_class = IMAP4_SSL class RemoteIMAPTest(unittest.TestCase): host = 'cyrus.andrew.cmu.edu' port = 143 username = 'anonymous' password = 'pass' imap_class = imaplib.IMAP4 def setUp(self): with transient_internet(self.host): self.server = self.imap_class(self.host, self.port) def tearDown(self): if self.server is not None: self.server.logout() def test_logincapa(self): self.assertTrue('LOGINDISABLED' in self.server.capabilities) self.assertTrue('AUTH=ANONYMOUS' in self.server.capabilities) rs = self.server.login(self.username, self.password) self.assertEqual(rs[0], 'OK') def test_logout(self): rs = self.server.logout() self.server = None self.assertEqual(rs[0], 'BYE') @unittest.skipUnless(ssl, "SSL not available") class RemoteIMAP_STARTTLSTest(RemoteIMAPTest): def setUp(self): super().setUp() rs = self.server.starttls() self.assertEqual(rs[0], 'OK') def test_logincapa(self): self.assertFalse('LOGINDISABLED' in self.server.capabilities) @unittest.skipUnless(ssl, "SSL not available") class RemoteIMAP_SSLTest(RemoteIMAPTest): port = 993 imap_class = IMAP4_SSL def test_logincapa(self): self.assertFalse('LOGINDISABLED' in self.server.capabilities) self.assertTrue('AUTH=PLAIN' in self.server.capabilities) def test_main(): tests = [TestImaplib] if support.is_resource_enabled('network'): if ssl: global CERTFILE CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert.pem") if not os.path.exists(CERTFILE): raise support.TestFailed("Can't read certificate files!") tests.extend([ ThreadedNetworkedTests, ThreadedNetworkedTestsSSL, RemoteIMAPTest, RemoteIMAP_SSLTest, RemoteIMAP_STARTTLSTest, ]) support.run_unittest(*tests) if __name__ == "__main__": support.use_resources = ['network'] test_main()