#encoding=utf-8
import unittest
from selenium import webdriver
import time
from selenium.webdriver.chrome.options import Options

class TestDemo(unittest.TestCase):

    def setUp(self):

        # 创建Chrome浏览器的一个Options实例对象
        chrome_options = Options()
        # 向Options实例中添加禁用扩展插件的设置参数项
        chrome_options.add_argument("--disable-extensions")
        # 添加屏蔽--ignore-certificate-errors提示信息的设置参数项
        chrome_options.add_experimental_option(\
            "excludeSwitches",["ignore-certificate-errors"])
        # 添加浏览器最大化的设置参数项，一启动就最大化

        chrome_options.add_argument("--start-maximized")
        # 启动带有自定义设置的Chrome浏览器
        self.driver = webdriver.Chrome(executable_path = "d:\\chromedriver",\
                                       chrome_options = chrome_options)

    def test_downloadFileByChrome(self):
        self.driver.get("http://www.baidu.com") 
        time.sleep(3)
        self.driver.find_element_by_id("kw").send_keys("光荣之路")

        time.sleep(5)
    def tearDwon(self):
        self.driver.quit()

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

文章名称：屏蔽Chrome的--ignore-certificate-errors提示及禁用扩展插件并实现窗口
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