tests\test_user_model(2).py

#...
import stream
from flask import current_app
#...

class UserModelTestCase(unittest.TestCase):
    #...

    def test_valid_confirmation_token(self):
          client = stream.connect(current_app.config['STREAM_API_KEY'], current_app.config['STREAM_SECRET'])
          u = User(id=9999999999, username='john', email='john@example.com', password='test')
          db.session.add(u)
          db.session.commit()
          token = u.generate_confirmation_token()
          self.assertTrue(u.confirm(token))
          client.users.delete(str(u.id))
     #...
    
    def test_valid_email_change_token(self):
          client = stream.connect(current_app.config['STREAM_API_KEY'], current_app.config['STREAM_SECRET'])
          u = User(id=9999999999, username='john', email='john@example.com', password='test')
          db.session.add(u)
          db.session.commit()
          confirm_token = u.generate_confirmation_token()
          email_token = u.generate_email_change_token('john@example.org')
          self.assertTrue(u.confirm(confirm_token))
          self.assertTrue(u.change_email(email_token))
          self.assertTrue(u.email == 'john@example.org')
          client.users.delete(str(u.id))
     #...