def test_set_an_incorrect_font(self):
font = 123
styleobj = Style()
with self.assertRaises(TypeError):
styleobj.font = font
self.assertEqual(font, styleobj.font)
def test_set_a_correct_font(self):
font = "calibri.ttf"
styleobj = Style()
styleobj.font = font
self.assertEqual(font, styleobj.font)