#!/usr/bin/python
#
# Test the bash_prompt command for the correct prompt output.
#

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]
def_module = imp.load_source('', definitions_scriptname)
logfile = None
if hasattr(def_module, 'logfile'):
    logfile = def_module.logfile

shell_arguments = sys.argv[2]

# spawn an instance of bash.  PS1 is the env variable from which bash
# draws its prompt
c = pexpect.spawn("./esh" + " " + shell_arguments, 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"

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

# assert 1 == 0, "FAILED"

shellio.success()