def test_uppercase_grades(self): self.assertEqual(grade_to_judgment('A'), 1) self.assertEqual(grade_to_judgment('B-'), 1) self.assertEqual(grade_to_judgment('C++'), 0) self.assertEqual(grade_to_judgment('D'), -1) self.assertEqual(grade_to_judgment('E'), -1) self.assertEqual(grade_to_judgment('F---'), -1)
def test_no_other_letters(self): self.assertEqual(grade_to_judgment('G-'), None)
def test_no_lowercase_grades(self): self.assertEqual(grade_to_judgment('a'), None)