tests.py

""" File location: authors/apps/authentication/tests.py
Description: tests that a user cannot login with an invalid email address format.
"""

from django.test import TestCase, Client
from .models import UserManager

class AuthenticationTest(TestCase):
  """ Tests authentication functionality of the application such as registration,
  logging in, log out and refreshing of JWT tokens.
  """
  
  def setUp(self):
    # create the test client...
    self.client = Client()
    
    # create a user...
    UserManager.create_user(
      username='John Doe', 
      email='john@doe.com',
      password='1234567'
    )
  
  
  def test_cannot_login_with_invalid_email(self):
    # try logging in with an invalid email...
    resp = self.client.post('/api/users/login', 
                            {'user': {
                              'email': 'NOT-AN-EMAIL-CLEARLY', 
                              'password': '1234567'}})
    
    # we should get an Unprocessable Entity error.
    self.assertEqual(resp.status_code, 422)
    self.assertIn(resp.content, b'Invalid email format')