python如何自动化测试selenium屏幕截图

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WebDriver内置了测试中捕获屏幕并保存的方法。

示例脚本：

（1）save_screenshot(filename)：保存屏幕截图

from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport osclass TestScreenShot(object):    def setup(self):        self.driver = webdriver.Chrome()        self.driver.get("http://www.baidu.com")    def test_screen(self):        self.driver.save_screenshot("testbaidu.png")     def teardown(self):        self.driver.quit()if __name__ == '__main__':    shot=TestScreenShot()    shot.test_screen()

（2）get_screenshot_as_base64()：获取当前屏幕截图base64编码字符串

from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object):    def setup(self):        self.driver = webdriver.Chrome()        self.driver.get("http://www.baidu.com")    def test_screen(self):        self.driver.save_screenshot("testbaidu.png")        print(self.driver.get_screenshot_as_base64())     def teardown(self):        self.driver.quit()if __name__ == '__main__':    shot=TestScreenShot()    shot.test_screen()

运行结果：

（3）get_screenshot_as_file(filename)：获取当前屏幕截图，使用完整路径

from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object):    def setup(self):        self.driver = webdriver.Chrome()        self.driver.get("http://www.baidu.com")    def test_screen(self):        self.driver.get_screenshot_as_file("testbaidu2.png")     def teardown(self):        self.driver.quit()if __name__ == '__main__':    shot=TestScreenShot()    shot.test_screen()

（4）get_screenshot_as_file(filename)：获取当前屏幕截图，使用完整路径，文件名以时间命名

from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport osclass TestScreenShot(object):    def setup(self):        self.driver = webdriver.Chrome()        self.driver.get("http://www.baidu.com")    def test_screen(self):        # print(self.driver.get_screenshot_as_png())        # self.driver.get_screenshot_as_file("testbaidu2.png")        # self.driver.save_screenshot("testbaidu.png")        # print(self.driver.get_screenshot_as_base64())        self.driver.find_element_by_id("kw").send_keys("selenium test")        self.driver.find_element_by_id("su").click()        str = strftime("%Y-%m-%d-%H-%M-%S",localtime(time()))        filename = str + ".png"        path =os.path.abspath("screenshots")        filepath=path + '/'+filename        self.driver.get_screenshot_as_file(filepath)        print(filepath)     def teardown(self):        self.driver.quit()if __name__ == '__main__':    shot=TestScreenShot()    shot.test_screen()

（5）get_screenshot_as_png()：获取当前屏幕截图的二进制文件数据

from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object):    def setup(self):        self.driver = webdriver.Chrome()        self.driver.get("http://www.baidu.com")    def test_screen(self):        print(self.driver.get_screenshot_as_png())     def teardown(self):        self.driver.quit()if __name__ == '__main__':    shot=TestScreenShot()    shot.test_screen()

运行结果：

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