#Tests for the relative prime esh plug-in
#
# To run this test on your own shell, simply run:
#
# web/courses/cs3214/projects/spring2015/projects/student-plugins/brannon1_jjann93/relative_prime_test.py eshoutput.py
#
# from the directory in which your "esh" and your "eshoutput.py" is located.
# @author Brannon and John
#

#======
# Setup 
#======
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 

#############################################################################
# Now the real test starts!
#

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

#========
# Testing 
#========

# Base test the nCr plugin
c.sendline("rp 2")
assert c.expect("The relative prime numbers of 2 between 1 and 2 are: 1"), \
	"expect relative prime %s" % ('1')

# Try with bigger values
c.sendline("rp 8")
assert c.expect("The relative prime numbers of 8 between 1 and 8 are: 1, 3, 5, 7"), \
	"expect relative prime %s" % ('8')

#Try with prime
c.sendline("rp 5")
assert c.expect("The relative prime numbers of 5 between 1 and 5 are: 1 2 3 4"), \
	"expect relative prime %s" % ('5')

# Test for errors
# Not enough arguments given
c.sendline("rp")
assert c.expect("Need an arguments for relative prime"), \
	"expect error message"

# Not positive integer values
c.sendline("rp -1")
assert c.expect("Need an integer greater than 1"), \
	"expect error message"

c.sendline("rp asedfasd")
assert c.expect("Need an integer greater than 1"), \
        "expect error message"

# Exit the test
shellio.success()