text: import unittest
  
  from wvflib.material import Material
  from wvflib.reader.mtl_reader import MtlReader
  
  class TestMaterial(unittest.TestCase):
      def test_material_attributes_equal_to_parsers(self):
          s1 = {v for v in Material.attributes}
          s2 = {k for k, _ in MtlReader.parsers(True).items()}
          self.assertEqual(s1, s2)
  
  
  if __name__ == '__main__':
      unittest.main()
  