#!/usr/bin/python
#
# Test the hex plugin.
#
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
sys.path.append("../../eshtests/pexpect-dpty/");
import pexpect, shellio, signal, time, os, re, proc_check

#Ensure the shell process is terminated
def force_shell_termination(shell_process):
    c.close(force=True)

#pulling in the regular expression and other definitions
definitions_scriptname = sys.argv[1]
def_module = imp.load_source('', definitions_scriptname)
logfile = None
if hasattr(def_module, 'logfile'):
    logfile = def_module.logfile

#spawn an instance of the shell
c = pexpect.spawn(def_module.shell, drainpty=True, logfile=logfile,
    args=['-p', 'plugins/'])
atexit.register(force_shell_termination, shell_process=c)

# Use sleep allow us to peek into the
# file descriptors and verify the fds are set up correctly
# and that extraneous file descriptors are closed.
c.sendline("hex 10")

(arg, result) = shellio.parse_regular_expression(c, "(\d*)_10 = ([\da-f]*)_16")
assert arg == '10', "Expected the 1st argument to be 10."
assert result == 'a', "Expected the result to be a."

shellio.success()