#!/usr/bin/python
#
# Tests the functionality of the convertnum esh plugin.
# Written for CS 3214 Spring 2015.
#
# To run this test on your own shell, simply run:
#
# python /web/courses/cs3214/spring2015/projects/student-plugins/rosan_nickwp54/magic8/magic8_test.py eshoutput.py
#
# from the directory in which your "esh" and your "eshoutput.py" is located.
#
# @author rosan
# @author nickwp54


##########
# Set up #
##########

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)

# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2 


################
# Actual tests #
################

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

# test initializing magic8
c.sendline("magic8")
c.sendline("Will I pass this test?");

# Expect the random out put from the magic8 
assert c.expect(".*\r\n") == 0, \
	"expected magic8 %s" % ("random answer")

# Continue using the magic8
c.sendline("y");
assert c.expect_exact("What is your question?:") == 0, "What is your question?:"

# Ask another question
c.sendline("Does the magic8 even work?");
assert c.expect_exact("Would you like to ask again? [y/n]:") == 0, "Would you like to ask again? [y/n]:"

# Put in the wrong input this time
c.sendline("no");
assert c.expect_exact("Please enter y or n: ") == 0, "Please enter y or n: "

# Put in the wrong input again
c.sendline("yes");
assert c.expect_exact("Please enter y or n: ") == 0, "Please enter y or n: "

# Put in n to discontinue the magic8 and exit
c.sendline("n")
assert c.expect(def_module.prompt) == 0, "Exit magic 8"
#Exit the test
shellio.success()