text: """
  Simplely test the initialize process of the application.
  """
  import unittest
  from flask import current_app
  from app import create_app
  
  
  class InitialTestCase(unittest.TestCase):
  
      @classmethod
      def setUpClass(cls):
          """Add app context."""
          cls.app = create_app("testing")
          cls.app_context = cls.app.app_context()
          cls.app_context.push()
  
      @classmethod
      def tearDownClass(cls):
          """Pop app context."""
          cls.app_context.pop()
  
      def test_app_exists(self):
          """Test if the current_app instance exists."""
          self.assertTrue(current_app is not None)
  
      def test_test_env(self):
          """Test if the instance's mod is testing. """
          self.assertTrue(self.app.config["TESTING"])
  
  
  if __name__ == "__main__":
      unittest.main()
  