text: import unittest
  from app.models import Article
  
  class TestArticle(unittest.TestCase):
  
      '''
      Test class to test the behaviours the article class
      '''
  
      def setUp(self):
  
          '''
          Method that will run before every test
          '''
  
          self.new_article = Article('John',
                                     'Article',
                                     'Text conatining article...',
                                     'https://linktoarticle.com/article',
                                     'https://linktoarticle.com/article/image.jpg',
                                     'Published at 16:04')
  
  
      def test_instance(self):
  
          self.assertTrue(isinstance(self.new_article, Article))
  