#!/usr/bin/python
#
# Tests for the calculateSine esh plug-in
#
# To run this test on your own shell, simply run:
#
# ~cs3214/public_html/spring2015/projects/student-plugins/koehncke_philipwh/calculateSine/calculateSine_test.py eshoutput.py
#
# from the directory in which your "esh" and your "eshoutput.py" is located.
#

#======
# 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)
c.logfile = sys.stdout

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

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

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

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

# Run the counter plug-in
c.sendline("calculateSine 0")
assert c.expect('The sine of 0 degrees is 0.00\n') == 0

# Throw a two word command
c.sendline("calculateSine 90")
assert c.expect('The sine of 90 degrees is 1.00\n') == 0

# Exit the test
shellio.success()