refine test

test.py

@@ -13,10 +13,10 @@ encrypt_salsa20.test()
 
 print 'encryption test passed'
 
-p1 = Popen(['python', 'shadowsocks/server.py', '-c', sys.argv[-1]], shell=False,
+p1 = Popen(['python', 'shadowsocks/server.py', '-c', sys.argv[-1]], stdin=PIPE,
-           bufsize=0, stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True)
+           stdout=PIPE, stderr=PIPE, close_fds=True)
-p2 = Popen(['python', 'shadowsocks/local.py', '-c', sys.argv[-1]], shell=False,
+p2 = Popen(['python', 'shadowsocks/local.py', '-c', sys.argv[-1]], stdin=PIPE,
-           bufsize=0, stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True)
+           stdout=PIPE, stderr=PIPE, close_fds=True)
 p3 = None
 
 try:
@@ -39,10 +39,9 @@ try:
         if local_ready and server_ready and p3 is None:
             time.sleep(1)
             p3 = Popen(['curl', 'http://www.example.com/', '-v', '-L',
-                        '--socks5-hostname', '127.0.0.1:1081'], shell=False,
+                       '--socks5-hostname', '127.0.0.1:1081'], close_fds=True)
-                       bufsize=0, close_fds=True)
             break
-            
+
     if p3 is not None:
         r = p3.wait()
         if r == 0: