Demonstration of testing a click-to-call service using Google voice

test_click_to_call.py

import unittest
import urllib2
from urllib import urlencode
from time import sleep, time
import logging

logging.basicConfig(level=logging.DEBUG)

from googlevoice import Voice
# https://code.google.com/r/bwpayne-pygooglevoice-auth-fix/
# https://code.google.com/p/pygooglevoice/

class PhoneTestCase(unittest.TestCase):
    
    def setUp(self):
        self.gv = Voice()
        self.gv.login()
        
    def get_call(self, timeout=600, initial_wait=90, poll_interval=10):
        endtime = time() + timeout
        sleep(initial_wait)
        while True:
            try:
                self.new_call = self.most_recent_call()
                return self.new_call
            except NoCallReceived:
                logging.debug("No call yet, waiting.")
                if time() > endtime:
                    raise
            sleep(poll_interval)        
        
    def most_recent_call(self):
        inbox = self.gv.inbox()
        try:
            return inbox.messages[-1]
        except IndexError:
            raise NoCallReceived()
    
    def tearDown(self):
        logging.info("Deleting call from Google Voice inbox.")
        try:
            self.new_call.delete()
        except AttributeError:
            pass


class NoCallReceived(Exception):
    pass


class TestClicktoCall(PhoneTestCase):
    
    def setUp(self):
        self.google_voice_number = '<GOOGLE VOICE NUMBER HERE>'  
        self.base_url = 'http://secure.cloud2ivr.com/click_to_xyz.php'
        self.params = {'phone_to_call': self.google_voice_number,
                       'click_id': 53001,
                       'key': '26db7bfb486d5d542f24cf00da849afc003df951',
                       'click_key': 'eYhT2n4X'}              
        super(TestClicktoCall, self).setUp()
        
    def test_click_to_call_makes_call(self):
        """Does hitting the click-to-call URL trigger a phone call?"""
        url = '{0}?{1}'.format(self.base_url, urlencode(self.params))
        call = self.place_call(url)
        self.assertEqual(call['displayNumber'], '(800) 438-1709')
        
    def place_call(self, url):        
        logging.info("Making GET to click-to-call URL {0}".format(url))
        resp = urllib2.urlopen(url)
        logging.debug("HTTP Response: {0}".format(resp.read()))
        logging.info("Checking google voice for call...")
        call = self.get_call(initial_wait=30)
        logging.info("Found call from {0} at {1}".format(call['displayNumber'],
                                                         call['displayStartDateTime']))
        return call

if __name__ == '__main__':
    unittest.main()