grade_school_test.py 文件源码

def test_sort_school(self):

        students = [
            (3, ("Kyle",)),
            (4, ("Christopher", "Jennifer",)),
            (6, ("Kareem",))
        ]
        for grade, students_in_grade in students:
            for student in students_in_grade:
                self.school.add(student, grade)

        result = self.school.sort()

        # Attempts to catch false positives
        self.assertTrue(isinstance(result, Sequence) or
                        isinstance(result, GeneratorType) or
                        callable(getattr(result, '__reversed__', False)))

        result_list = list(result.items() if hasattr(result, "items")
                           else result)

        self.assertEqual(result_list, students)