old_contents: import unittest
  from flask import json
  from api import db
  from api.BucketListAPI import app
  from instance.config import application_config
  
  
  class AuthenticationTestCase(unittest.TestCase):
      def setUp(self):
          app.config.from_object(application_config['TestingEnv'])
          self.client = app.test_client()
  
          # Binds the app to current context
          with app.app_context():
              # Create all tables
              db.create_all()
  
      def test_index_route(self):
          response = self.client.get('/')
          self.assertEqual(response.status_code, 201)
          self.assertIn('Welcome Message', response.data.decode())
  
      def test_registration_with_missing_dredentials(self):
          """Should throw error for missing credentials"""
          user = json.dumps({
              'name': '',
              'email': '',
              'password': ''
          })
          response = self.client.post('/auth/register', data=user)
          self.assertEqual(response.status_code, 400)
          self.assertIn('Missing', response.data.decode())
  
      def tearDown(self):
          # Drop all tables
          with app.app_context():
              # Drop all tables
              db.session.remove()
              db.drop_all()
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  from flask import json
  from api import db
  from api.BucketListAPI import app
  from instance.config import application_config
  
  
  class AuthenticationTestCase(unittest.TestCase):
      def setUp(self):
          app.config.from_object(application_config['TestingEnv'])
          self.client = app.test_client()
  
          # Binds the app to current context
          with app.app_context():
              # Create all tables
              db.create_all()
  
      def test_index_route(self):
          response = self.client.get('/')
          self.assertEqual(response.status_code, 201)
          self.assertIn('Welcome Message', response.data.decode())
  
      def test_registration_with_missing_dredentials(self):
          """Should throw error for missing credentials"""
          user = json.dumps({
              'name': '',
              'email': '',
              'password': ''
          })
          response = self.client.post('/auth/register', data=user)
          self.assertEqual(response.status_code, 400)
          self.assertIn('Missing', response.data.decode())
  
      def test_registration_with_invalid_email(self):
          """Should return invalid email"""
          user = json.dumps({
              'name': 'Patrick',
              'email': 'pato',
              'password': 'pat'
          })
          response = self.client.post('/auth/register', data=user)
          self.assertEqual(response.status_code, 400)
          self.assertIn('Invalid Email', response.data.decode())
  
      def tearDown(self):
          # Drop all tables
          with app.app_context():
              # Drop all tables
              db.session.remove()
              db.drop_all()
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Add test for invalid email