#!/usr/bin/python
#
# this will do integer calculation
#
#
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/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]
plugin_dir = sys.argv[2]
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 + plugin_dir, drainpty=True, logfile=logfile)
atexit.register(force_shell_termination, shell_process=c)


# set timeout
c.timeout = 5

#Test add function
c.sendline("cal add 1 10")
assert c.expect_exact("11") == 0, "add test failed"

#Test sub function
c.sendline("cal sub 10 2")
assert c.expect_exact("8") == 0, "sub test failed"

#Test mul function
c.sendline("cal mul 5 10")
assert c.expect_exact("50") == 0, "mul test failed"

#Test div function
c.sendline("cal div 10 10")
assert c.expect_exact("1") == 0, "div test failed"

# the test was successful
shellio.success()