51Testing软件测试论坛

标题: 【转】python单例模式&selenium driver实现单例 [打印本页]

作者: lsekfe    时间: 2022-3-18 10:49
标题: 【转】python单例模式&selenium driver实现单例
一、使用装饰器实现单例
  1. def Singleton(cls):
  2.     _instance = {}

  3.     def _singleton(*args, **kargs):
  4.         if cls not in _instance:
  5.             _instance[cls] = cls(*args, **kargs)
  6.         return _instance[cls]

  7.     return _singleton


  8. @Singleton
  9. class A(object):
  10.     a = 1

  11.     def __init__(self, x=0):
  12.         self.x = x


  13. a1 = A(2)
  14. a2 = A(3)
复制代码
二、web自动化driver实现单例模式
2.1 编写单例模式的装饰器

singleton.py
  1. #coding:utf-8
  2. #单例模式函数,用来修饰类
  3. def singleton(cls,*args,**kw):
  4.     instances = {}
  5.     def _singleton():
  6.         if cls not in instances:
  7.             instances[cls] = cls(*args,**kw)
  8.         return instances[cls]
  9.     return _singleton
复制代码
2.2 driver 使用装饰器,实现单例模式GetSeleniumDriver.py
  1. # -*- coding:utf-8 -*-
  2. from selenium import webdriver
  3. from singleton import singleton
  4. @singleton
  5. class GetSeleniumDriver(object):
  6.     def __init__(self):
  7.         self.driver = webdriver.Chrome()
复制代码
2.3 获取driver的实例,就是单例了

  1. class My_task(RES):
  2.     def __init__(self):
  3.         self.driver=GetSeleniumDriver().driver

  4.     def Making_task_Button(self):
  5.         Making_task_Button=self.driver.find_element_by_xpath(RES.Making_task_Button_xpth)
  6.         return Making_task_Button

  7.     def Audit_task_Button(self):
  8.         Audit_task_Button=self.driver.find_element_by_xpath(RES.Audit_task_Button_xpth)
  9.         return Audit_task_Button
复制代码
三、在自动化项目中具体的应用
3.1项目结构
[attach]136921[/attach]
一、工具层 Utils

1  singleton.py 是单例装饰器

  1. #coding:utf-8
  2. #单例模式函数,用来修饰类
  3. def singleton(cls,*args,**kw):
  4.     instances = {}
  5.     def _singleton():
  6.         if cls not in instances:
  7.             instances[cls] = cls(*args,**kw)
  8.         return instances[cls]
  9.     return _singleton
复制代码

2 GetSeleniumDriver.py  driver实现单例

  1. # -*- coding:utf-8 -*-
  2. from selenium import webdriver
  3. from Utils.singleton import singleton
  4. @singleton
  5. class GetSeleniumDriver(object):
  6.     def __init__(self):
  7.         self.driver = webdriver.Chrome()
复制代码
二、页面元素层 TsetSharelab

My_task.py

  1. # -*- coding:utf-8 -*-

  2. from Utils.GetSeleniumDriver import GetSeleniumDriver


  3. class My_task():
  4.     def __init__(self):
  5.         self.driver=GetSeleniumDriver().driver

  6.     def Making_task_Button(self):
  7.         Making_task_Button=self.driver.find_element_by_xpath('/html/body/div[3]/div[1]/div/a[1]')
  8.         return Making_task_Button

  9.     def Audit_task_Button(self):
  10.         Audit_task_Button=self.driver.find_element_by_xpath('/html/body/div[3]/div[1]/div/a[1]')
  11.         return Audit_task_Button
复制代码
三、流程层

把一步一步的动作,封装成一个业务流程

BookCity_page_process.py
  1. # -*- coding:utf-8 -*-
  2. from Utils.GetSeleniumDriver import GetSeleniumDriver

  3. import time

  4. class BookCity_page_process(object):
  5.     def __init__(self):
  6.         self.driver=GetSeleniumDriver().driver

  7.     def WeiBo_Loain_To_Share(self):  
  8.         time.sleep(3)
  9.         self.driver.find_elements_by_class_name('W_input').pop(0).send_keys(123)
  10.         time.sleep(1)
  11.         self.driver.find_elements_by_class_name('W_input').pop(1).send_keys(456)
复制代码
四、case层 ,把业务逻辑组成一条条用例

test_case.py

  1. #coding:utf-8
  2. from time import sleep
  3. from Utils.GetSeleniumDriver import GetSeleniumDriver

  4. class CreativeBooks(unittest.TestCase):
  5.     @classmethod
  6.     def setUpClass(self):
  7.         self.driver = GetSeleniumDriver().driver
  8.         sleep(2)
  9.     @classmethod
  10.     def tearDownClass(self):
  11.         pass

  12.     def setUp(self):
  13.         self.driver = GetSeleniumDriver().driver
  14.         self.driver.get("http://t.com/")
  15.         self.driver.maximize_window()
  16.         sleep(1)
  17.         Creative_books().Creative_books_Button().click()

  18.     def tearDown(self):
  19.         self.driver.delete_all_cookies()
  20.     def testa(self):

  21.         #新建图书
  22.         Creative_books().CreatBook_Button().click()
  23.         #输入书名
  24.         Creative_books().Input_book_name().send_keys(u"A1一")
  25.         #保存书名

  26.     def testb(self):
  27.         first = self.driver.current_window_handle
  28.         Creative_books().Help_center_Button().click()
复制代码

原文连接:点击此处>>>






欢迎光临 51Testing软件测试论坛 (http://bbs.51testing.com/) Powered by Discuz! X3.2