text: import os
  import main
  import unittest
  import tempfile
  
  class FlaskTestCase(unittest.TestCase):
  
      def setUp(self):
          main.app.testing = True
          self.app = main.app.test_client()
  
      def tearDown(self):
          pass
  
      def test_empty_db(self):
          rv = self.app.get('/')
          assert True == True
  
  if __name__ == '__main__':
      unittest.main()