python unittest登陆成功测试实例

# -*-coding:utf-8 -*-
from selenium import webdriver
import unittest,time
from time import sleep

class loginCase(unittest.TestCase):    #继承 unittest.TestCase
    def setUp(self):
        self.driver=webdriver.Firefox()
        self.driver.implicitly_wait(30)
        self.base_url=""
        self.verificationErrors=[]
        self.accept_next_alert=True
    def login(self,username,psd):
        driver=self.driver
        driver.get("http://146.12.68.119:8000/etax2/jsp/v2/login_sbf.jsp")
        driver.find_element_by_link_text(u"密码登录").click()
        driver.find_element_by_id("userName").click()
        driver.find_element_by_xpath(u"(.//*[normalize-space(text()) and normalize-space(.)='自然人登录'])[1]/preceding::li[1]").click()
        driver.find_element_by_id("userName").click()
        driver.find_element_by_xpath("//body").click()
        driver.find_element_by_id("frm").click()
        driver.find_element_by_id("userName").click()
        driver.find_element_by_id("userName").clear()
        driver.find_element_by_id("userName").send_keys(username)
        driver.find_element_by_xpath("//div/div").click()
        driver.find_element_by_id("passwdNsr").click()
        driver.find_element_by_id("passwdNsr").clear()
        driver.find_element_by_id("passwdNsr").send_keys(psd)
        driver.find_element_by_id("frm").click()
        driver.find_element_by_name("loginCode").click()
        driver.find_element_by_name("loginCode").clear()
        driver.find_element_by_name("loginCode").send_keys("8888")
        driver.find_element_by_link_text(u"登录").click()
        # ERROR: Caught exception [ERROR: Unsupported command [selectFrame | index=0 | ]]
        #driver.find_element_by_id("wdxx").click()

       #test开头的方法被认为是测试用例
    def test_login_success(self):
        #用户名、密码正确
        self.login('91360100MA37N5X67C','111111')
        sleep(2)
        link=self.driver.find_element_by_link_text(u"退出")
        sleep(2)
        print(link.text)
        self.assertEqual(link.text,'退出')
        self.driver.get_screenshot_as_file("D:\\pythonTest\\screenshot\\login_success.png")
        
    def tearDown(self):
        sleep(2)
        print("自动测试完毕")
        self.driver.quit()
if __name__=='__main__':
    unittest.main()

登陆失败 遇到window弹出提示，未解决定位问题