#!/usr/bin/python
#
# Tests the functionality of the currconv plugin.
# 
# To run this test on your own shell, simply run:
#
# /web/courses/cs3214/spring2015/projects/student-plugins/seb1462_johnkl/currconv/currconv_test.py eshoutput.py
# 
# @author Sean Butler (seb1462)
# @author John LeClair (johnkl)
#

#
# Setup Section
#
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 

# 
# Testing begins
#

# Test with -btc flag
c.sendline("currconv -btc 1")
assert c.expect('0.0041 BTC') == 0, \
	"expected output %s" % ("0.0041 BTC")

# Test with -usd flag
c.sendline("currconv -usd 1")
assert c.expect('246 USD') == 0, \
        "expected output %s" % ("246 USD")

# Test with garbage flag
c.sendline("currconv abc123 1")
assert c.expect('Incorrect usage. Use either the -btc flag for USD to BTC conversion or the -usd flag for BTC to USD conversion.') == 0, \
        "expected output %s" % ("Incorrect usage. Use either the -btc flag for USD to BTC conversion or the -usd flag for BTC to USD conversion.")


shellio.success()