简直是神器啊 (๑• . •๑)今天在翻莫烦大大的博客时,看到他提到一个工具,便去看了下,第一感受是,太好用了、爱不释手。
下面来说说这个工具:Katalon Recorder
Katalon Recorder
安装地址:Katalon Recorder
官方介绍是:
Best Selenium IDE record, play, debug app. Exports Selenium WebDriver code. Provides reports, logs, screenshots. Fast & extensible.
简单来说,他可以记录你在浏览器上的每一个动作,包括、点击、输入、输入字符等等,最后一键转化为编程代码,可以转化的语言有:
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C#
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JAVA
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Katalon Studio
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Python2
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Roboot Framework
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Ruby
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XML
例如下图就是直接转化为 Python2的代码
# -*- coding: utf-8 -*-from selenium import webdriverfrom selenium.webdriver.common.by import Byfrom selenium.webdriver.common.keys import Keysfrom selenium.webdriver.support.ui import Selectfrom selenium.common.exceptions import NoSuchElementExceptionfrom selenium.common.exceptions import NoAlertPresentExceptionimport unittest, time, reclass UntitledTestCase(unittest.TestCase): def setUp(self): self.driver = webdriver.Firefox() self.driver.implicitly_wait(30) self.base_url = "https://www.katalon.com/" self.verificationErrors = [] self.accept_next_alert = True def test_untitled_test_case(self): driver = self.driver driver.get("https://zhangslob.github.io/") driver.find_element_by_link_text(u"Cookies池的后续解决方案").click() driver.find_element_by_xpath("//main[@id='main']/div/div").click() def is_element_present(self, how, what): try: self.driver.find_element(by=how, value=what) except NoSuchElementException as e: return False return True def is_alert_present(self): try: self.driver.switch_to_alert() except NoAlertPresentException as e: return False return True def close_alert_and_get_its_text(self): try: alert = self.driver.switch_to_alert() alert_text = alert.text if self.accept_next_alert: alert.accept() else: alert.dismiss() return alert_text finally: self.accept_next_alert = True def tearDown(self): self.driver.quit() self.assertEqual([], self.verificationErrors)if __name__ == "__main__": unittest.main()
虽然说用的是Python2,但是并不影响,简单改一下就就可以使用了,主要逻辑在test_untitled_test_case
函数中,可以直接拿来使用。
注意这里使用了unittest
,不熟悉的可以来看看文档
import unittestclass TestStringMethods(unittest.TestCase): def test_upper(self): self.assertEqual('foo'.upper(), 'FOO') def test_isupper(self): self.assertTrue('FOO'.isupper()) self.assertFalse('Foo'.isupper()) def test_split(self): s = 'hello world' self.assertEqual(s.split(), ['hello', 'world']) # check that s.split fails when the separator is not a string with self.assertRaises(TypeError): s.split(2)if __name__ == '__main__': unittest.main()
安装方法
这里建议直接在Chrome应用市场安装,地址 Katalon Recorder
考虑到有些同学可能那啥,所以我已经下载好了。公众号:Python爬虫与算法进阶,回复:傻瓜
感受
这个相当于按键精灵,把我们对浏览器的每一步操作都完成了,可以用来生成代码,和postman一样,所以我才会说Katalon + 傻瓜 == selenium
,完全是傻瓜操作。
比如来做一些自动化登录、注册等板块会非常爽,但是验证码部分还是需要自行解决。
但是该软件也是有一些问题的,它不能进行多页面切换,也就是不能自动切换到新打开的窗口,会有错误提示# ERROR: Caught exception [ERROR: Unsupported command [selectWindow | win_ser_1 | ]]
,这一步必须自己手动来操作,
driver.current_window_handle 获取当前窗口handledriver.window_handles 获取所有窗口的handle,返回list列表driver.switch_to.window(handle) 切换到对应的窗口driver.close() 关闭当前窗口
测试打开多窗口的代码
# -*- coding: utf-8 -*-from selenium import webdriverfrom selenium.webdriver.common.by import Byfrom selenium.webdriver.common.keys import Keysfrom selenium.webdriver.support.ui import Selectfrom selenium.common.exceptions import NoSuchElementExceptionfrom selenium.common.exceptions import NoAlertPresentExceptionimport unittest, time, reclass Zhihu(unittest.TestCase): def setUp(self): self.driver = webdriver.Firefox() self.driver.implicitly_wait(30) self.base_url = "https://www.katalon.com/" self.verificationErrors = [] self.accept_next_alert = True def test_zhihu(self): driver = self.driver driver.get("https://www.zhihu.com/people/cuishite/activities") driver.find_element_by_xpath("//div[@id='ProfileMain']/div/ul/li[2]/a").click() driver.find_element_by_xpath("//div[@id='ProfileMain']/div/ul/li[4]/a/span").click() driver.find_element_by_link_text(u"Cookies池的后续解决方案").click() # ERROR: Caught exception [ERROR: Unsupported command [selectWindow | win_ser_1 | ]] driver.find_element_by_xpath("//img[contains(@src,'https://pic4.zhimg.com/v2-7ff26e52e6c82c080f62d8e9291e532b_b.jpg')]").click() driver.find_element_by_link_text(u"Cookies池的后续解决方案").click() # ERROR: Caught exception [ERROR: Unsupported command [selectWindow | win_ser_2 | ]] driver.find_element_by_xpath("//div[@id='js_article']/div[2]").click() def is_element_present(self, how, what): try: self.driver.find_element(by=how, value=what) except NoSuchElementException as e: return False return True def is_alert_present(self): try: self.driver.switch_to_alert() except NoAlertPresentException as e: return False return True def close_alert_and_get_its_text(self): try: alert = self.driver.switch_to_alert() alert_text = alert.text if self.accept_next_alert: alert.accept() else: alert.dismiss() return alert_text finally: self.accept_next_alert = True def tearDown(self): self.driver.quit() self.assertEqual([], self.verificationErrors)if __name__ == "__main__": unittest.main()
所以只需要这一点就可以完善代码,同时可以看看他们的官网 KATALON - Best automated testing tool for web, mobile, API,他们主要是提供测试工具,感兴趣的可以了解下