text: # -*- coding: utf-8 -*-
  """
  Test the Oauth API
  """
  
  from __future__ import unicode_literals
  from django.test import TestCase
  from django_daraja.mpesa.core import MpesaClient
  from django_daraja.mpesa.utils import generate_access_token, generate_access_token_request
  from django.utils import timezone
  
  class MpesaOauthTestCase(TestCase):
  
  	def test_oauth_correct_credentials(self):
  		'''
  		Test correct credentials sent to oauth endpoint
  		'''
  
  		r = generate_access_token_request()
  		self.assertEqual(r.status_code, 200)
  
  	def test_oauth_wrong_credentials(self):
  		'''
  		Test wrong credentials sent to OAuth endpoint
  		'''
  
  		consumer_key = 'wrong_consumer_key'
  		consumer_secret = 'wrong_consumer_secret'
  		r = generate_access_token_request(consumer_key, consumer_secret)
  		self.assertEqual(r.status_code, 400) # Unauthorized
  
  	def test_access_token_valid(self):
  		'''
  		Test that access token is never older than 50 minutes	
  		'''
  
  		token = generate_access_token()
  		delta = timezone.now() - token.created_at
  		minutes = (delta.total_seconds()//60)%60
  		self.assertLessEqual(minutes, 30)
  