# -*- coding:utf-8 -*-

 """

 在元素上执行双击操作

 """

 from selenium import webdriver

 from selenium.webdriver import ActionChains

 import unittest

 class Actions_Element_Click(unittest.TestCase):

     def setUp(self):

         self.driver = webdriver.Firefox()

         self.driver.get(r'F:\电子书\selenium\Selenium Testing Tools Cookbook(中文)\demo\DoubleClickDemo.html')

     def test_element_double_click(self):

         driver = self.driver

         message = driver.find_element_by_id('message')

         # message.value_of_css_property('font-size'): 获取css的属性值

         self.assertEqual('14px', message.value_of_css_property('font-size'))

         action_chains = ActionChains(driver)

         action_chains.double_click(message).perform()       #鼠标双击动作

         self.assertEqual('20px', message.value_of_css_property('font-size'))

     def tearDown(self):

         self.driver.quit()