#!/usr/bin/python
#
# NAME:
# 023_christmas-countdown_test.py
#
# DATE:
# Fall 2015
#
# AUTHORS:
# Mitchell Haugen
# Zak Grove
#
# DESCRIPTION:
# This python test creates an instance of the shell and then
# calls the "xmas" command. It checks to make sure that the
# proper output is printed and then exits the shell.
#
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 for all following 'expect*' calls to 2 seconds
c.timeout = 2

# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt (1)"

# run a command
c.sendline("xmas")

# ensure that shell prints expected prompt
# regexp to determine that the proper output was printed
assert c.expect("\d+ days until Christmas!") == 0, "Shell did not print expected prompt"

#exit
c.sendline("exit");
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"


shellio.success()