#!/usr/bin/python
#
# Test for the stutter plugin
# @author Julius Phu
# @author Omid Anvar
import sys, imp, atexit, os
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
import pexpect, shellio, signal, time, os, re, proc_check

# Determine the path this file is in
thisdir = os.path.dirname(os.path.realpath(__file__))

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

# pulling in the regular expression and other definitions
# this should be the eshoutput.py file of the hosting shell, see usage above
definitions_scriptname = sys.argv[1]
def_module = imp.load_source('', definitions_scriptname)

# you can define logfile=open("log.txt", "w") in your eshoutput.py if you want logging!
logfile = None
if hasattr(def_module, 'logfile'):
    logfile = def_module.logfile

#spawn an instance of the shell, note the -p flags
c = pexpect.spawn(def_module.shell,  drainpty=True, logfile=logfile, args=['-p', thisdir])

atexit.register(force_shell_termination, shell_process=c)

###########################################################################################

# Tests catching of too few arguments
c.sendline("stutter")
assert c.expect("Too few arguments") == 0, "Doesn't catch number of arguments error"

# Tests putting something thats not a natural number as the first argument
c.sendline("stutter 0 hello")
assert c.expect("Sorry") == 0, "Doesn't validate first argument"

# Tests one word
c.sendline("stutter 3 hello")
assert c.expect("hehehehello") == 0, "Works incorrectly with one word"

# Tests multiple words
c.sendline("stutter 2 hello world")
assert c.expect("hehehello wowoworld") == 0, "Works incorrectly with multiple words"

# Tests a one letter word
c.sendline("stutter 4 a")
assert c.expect("aaaa") == 0, "Works incorrectly with one letter words"

###########################################################################################


shellio.success()