无法理解如何使用 unittest 模块在 python 中为工作日编写测试用例

Question

I have a function in python which takes weekday as a parameter and returns an int on successfull weekday, im a newbie in python unittesting and i wish to know how to write the unittest case for the same. here's the function:

def dayNameFromWeekday(weekday):
    if weekday == "Monday":
        return 0
    if weekday == "Tuesday":
        return 1
    if weekday == "Wednesday":
        return 2
    if weekday == "Thursday":
        return 3
    if weekday == "Friday":
        return 4
    if weekday == "Saturday":
        return 5
    if weekday == "Sunday":
        return 6

and here's the testfile

class Utils(unittest.TestCase):
    def test_dayNameFromWeekday(self, weekday):
        if weekday == "Monday":
            return 0
        elif weekday == "Tuesday":
            return 1
        elif weekday == "Wednesday":
            return 2
        elif weekday == "Thursday":
            return 3
        elif weekday == "Friday":
            return 4
        elif weekday == "Saturday":
            return 5
        elif weekday == "Sunday":
            return 6
        else:
            return -1  # Any error message

    res = self.test_dayNameFromWeekday("Monday")

and i have no idea how to write a test case for this function, please enlighten me with the way the things are done in unittest python..

Answer 1

Here is the solution:

import unittest
class Utils(unittest.TestCase):
    def test_dayNameFromWeekday(self, weekday):
        if weekday == "Monday":
            return 0
        elif weekday == "Tuesday":
            return 1
        elif weekday == "Wednesday":
            return 2
        elif weekday == "Thursday":
            return 3
        elif weekday == "Friday":
            return 4
        elif weekday == "Saturday":
            return 5
        elif weekday == "Sunday":
            return 6
        else:
            return -1  # Any error message
    def runTest(self):
        res = self.test_dayNameFromWeekday("Monday")
        print(res)

res = Utils()
res.run()