Lib/test/test_openpty.py

   1 # Test to see if openpty works. (But don't worry if it isn't available.)
   2
   3 import os
   4 from test_support import verbose, TestFailed, TestSkipped
   5
   6 try:
   7     if verbose:
   8         print "Calling os.openpty()"
   9     master, slave = os.openpty()
  10     if verbose:
  11         print "(master, slave) = (%d, %d)"%(master, slave)
  12 except AttributeError:
  13     raise TestSkipped, "No openpty() available."
  14
  15 if not os.isatty(master):
  16     raise TestFailed, "Master-end of pty is not a terminal."
  17 if not os.isatty(slave):
  18     raise TestFailed, "Slave-end of pty is not a terminal."
  19
  20 os.write(slave, 'Ping!')
  21 print os.read(master, 1024)