text: import unittest
  from day_7 import DaySeven
  
  
  class TestDaySeven(unittest.TestCase):
  
      def test_part_one(self):
  
          day_seven = DaySeven()
  
          day_seven.part_one('shiny gold')
  
          self.assertEqual(len(day_seven.bags), 257, "Should be 257")
          self.assertEqual(day_seven.part_two('shiny gold'), 1038, "Should be 1038")
  
  
  if __name__ == '__main__':
      unittest.main()
  