python - HTMLTestRunner报错：raise TypeError("{} is not callable".

问题描述

问 题

Python3 在使用HTMLTestRunner时，报错：raise TypeError("{} is not callable".format(repr(test)))

代码如下：

import pymysql
import unittest
import time
import unittest.suite
import HTMLTestRunner
import sys
def hell(a):
    print(a)
    return a


testunit = unittest.TestSuite()
testunit.addTest(hell('ad'))

filename = '/Users/vivi/Downloads/aa.html'
fp = open(filename, 'wb')  # 之前写的是file(filename,'wb')，但是无法识别file方法，改成open，OK！
runner = HTMLTestRunner.HTMLTestRunner(stream=fp, title=u'print', description=u'简单')
runner.run(testunit)

运行后报错：

Traceback (most recent call last):
  File "/Applications/Python 3.5/……/B.py", line 30, in <module>
    testunit.addTest(hell('ad'))
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/unittest/suite.py", line 47, in addTest
    raise TypeError("{} is not callable".format(repr(test)))
TypeError: 'ad' is not callable

解决方案

unittest.TestSuite 实例的 addTest() 方法使用不正确，传参有误，建议好好看看unittest模块的文档。

给出一个代码示例：

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
import HTMLTestRunner


def hell(a):
    print(a)
    return a


class HellTest(unittest.TestCase):
    def setUp(self):
        self.hell = hell

    def tearDown(self):
        pass

    def testHell(self):
        self.assertEqual(self.hell('ad'), 'ad')


if __name__ == '__main__':
    testunit = unittest.TestSuite()
    testunit.addTest(HellTest('testHell'))

    filename = 'D:\\aa.html'
    fp = open(filename, 'wb')
    runner = HTMLTestRunner.HTMLTestRunner(stream=fp, title=u'print', description=u'简单')
    runner.run(testunit)
    fp.close()

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