@classmethod装饰器

当一个类中有多条用例,我们在执行的时候每执行一条用例就要重新打开一次浏览器操作,例如下:

start

test1

quit

start

test2

start

若我们使用@classmethod装饰器,就只需要打开一次浏览器,执行完用例后再关闭,例如下:

start

test1

test2

quit

代码:

from selenium import webdriver
import unittest,time
from selenium.webdriver.support import expected_conditions as EC
class Test1(unittest.TestCase):
    #测试类,是多个测试用例的集合,可以把一些相同的操作写成一个类
    @classmethod
    def setUpClass(cls):
        cls.driver=webdriver.Chrome()
        cls.driver.get("http://www.cnblogs.com/linbao/")

        time.sleep(2)

    def test_01(self):
        u'''验证元素存在：博客园'''
        locator = ("id", "blog_nav_sitehome")
        text = u"博客园"
        time.sleep(2)
        result = EC.text_to_be_present_in_element(locator, text)(self.driver)
        time.sleep(2)
        self.assertTrue(result)
    def test_02(self):
        u'''验证元素存在：首页'''
        locator = ("id", "blog_nav_myhome")
        text = u"首页"
        time.sleep(2)
        result = EC.text_to_be_present_in_element(locator, text)(self.driver)
        time.sleep(2)
        self.assertTrue(result)

    @classmethod
    def tearDownClass(cls):
        # 后置操作
        time.sleep(2)
        cls.driver.quit()

if __name__=="__main__":
    #运行主函数
    unittest.main()