test_functional.py 文件源码

def test_max_connections_per_ip(self):
        # Test FTPServer.max_cons_per_ip attribute
        with self.server.lock:
            self.server.server.max_cons_per_ip = 3
        self.client.quit()
        c1 = self.client_class()
        c2 = self.client_class()
        c3 = self.client_class()
        c4 = self.client_class()
        try:
            c1.connect(self.server.host, self.server.port)
            c2.connect(self.server.host, self.server.port)
            c3.connect(self.server.host, self.server.port)
            self.assertRaises(ftplib.error_temp, c4.connect, self.server.host,
                              self.server.port)
            # Make sure client has been disconnected.
            # socket.error (Windows) or EOFError (Linux) exception is
            # supposed to be raised in such a case.
            self.assertRaises((socket.error, EOFError), c4.sendcmd, 'noop')
        finally:
            for c in (c1, c2, c3, c4):
                try:
                    c.quit()
                except (socket.error, EOFError):  # already disconnected
                    c.close()