selenium Python中的unittest是什么?

问题描述

3、16、17、18、19行用*高亮是什么意思.有人可以解释他们的工作吗?我是 python 和编程新手

What is the meaning of lines 3,16,17,18 and 19 which are highlighted with *. Can someone explain what they do? I am new to python and programming

import unittest

from selenium import webdriver

**class Iframe(unittest.TestCase):**

def setUp(self):
    self.driver = webdriver.Firefox()

def test_Iframe(self):
    driver = self.driver
    driver.maximize_window()
    driver.get('http://www.toolsqa.com/iframe-practice-page/')

    iframe1 = driver.find_element_by_id('IF1')
    driver.switch_to.frame(iframe1)

    driver.find_element_by_name('email').send_keys('xyz')

    driver.switch_to.default_content()

    list = driver.find_elements_by_tag_name('iframe')

    print(len(list))

**def tearDown(self):
    self.driver.quit()**


**if __name__ == '__main__':
   unittest.main()**

推荐答案

这段代码中只有三行用 * 突出显示，但它们的含义如下:

Only three lines in this code are highlighted with an *, but here's what they mean:

 class Iframe(unittest.TestCase):

这是为随后的函数(test_Iframe 和 tearDown)声明类.class 用于在 面向对象编程.class 是数据/过程的抽象，而 object 是该类的特定实例.

This is declaring the class for the functions (test_Iframe and tearDown) that follow. A class is used to create "objects" in object oriented programming. Think of the class as the abstraction of data/procedures, while the object is the particular instance of the class.

def tearDown(self):
self.driver.quit()

本节首先用def关键字声明一个函数，该函数退出驱动，设置为:

This section first declares a function with the def keyword, and the function quits the driver, which was set as:

driver = self.driver
driver.maximize_window()
driver.get('http://www.toolsqa.com/iframe-practice-page/')

在 test_Iframe() 函数中.

if __name__ == '__main__':
unittest.main()

这部分只是执行程序的主要功能.可以在这里找到更多细节.

This section simply executes the main function of the program. More details on this can be found here.

如果您还有其他问题，请告诉我！

Let me know if you have any more questions!

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