#group432_reverseEcho_eshoutput.py

#!/usr/bin/python
#
#Brian Green  bggreen@vt.edu
#
# F to C test
# Tests 3 cases:   positive , zero, negative
#
#This file needs to be declared in plugins.tst and located in the plugins directory
#
import sys, imp, atexit, mmap
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
c.sendline("touch ../log")
c.sendline("touch ./log")

c.sendline("sleep 2")
# run commands through a child process
child = pexpect.spawn("./esh -p plugins")
#redirect output to a log file
with open("log","r+")as log_file:
	child.logfile = log_file
	child.send("tocelsius 5\n")    #test negatives
	child.expect(".*")
	child.send("tocelsius 14\n")
	child.expect(".*")
	child.send("tocelsius 32\n")    #test 0
	child.expect(".*")
	child.send("tocelsius 68\n")    #test positive
	child.expect(".*")
	child.send("tocelsius \n")
	child.expect(".*")
	child.send("\n") # run empty
	child.expect(".*")
	a = open("log").read() # grab string for file
	#test that strings are found for each case in valid locations
	case1 = a.find("5 in celsius is: -15") != -1
	case2 = a.find("14 in celsius is: -10") != -1
	case3 = a.find("32 in celsius is: 0") != -1
	case4 = a.find("68 in celsius is: 20") != -1
	case5 = a.find("Need to type a fahrenheit to convert :(") != -1
	assert case1
	assert case2    #lame
	assert case3
	assert case4    #lame
	assert case5
assert log_file.closed


shellio.success()