[开发测试]How to use browsermob with python-selenium

BrowserMob Proxy

BrowserMob Proxy?is an open source tools which is used to?capture performance data?for a web applications in an HAR format. It also allows to manipulate browser behavior and traffic, such as simulating network traffic, rewriting HTTP requests and responses etc and manipulate network traffic from their AJAX applications. In short,?BrowserMob proxy?helps us to capture client side performance data for a web application using Selenium WebDriver automated tests.

You can find more details about?BrowserMob Proxy?from the?Python Documentation?and?this tutorial.

Demonstration of BrowserMob Proxy 2.0 with Python client on Windows

• Install?browsermob-proxy?through the CLI :

  C:\Users\your_user>pip install browsermob-proxy
  Collecting browsermob-proxy
    Downloading browsermob-proxy-0.8.0.tar.gz
  Collecting requests>=2.9.1 (from browsermob-proxy)
    Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
      100% |||||||||||||||||||||||||||||||||| 92kB 148kB/s
  Collecting idna<2.7,>=2.5 (from requests>=2.9.1->browsermob-proxy)
    Downloading idna-2.6-py2.py3-none-any.whl (56kB)
      100% |||||||||||||||||||||||||||||||||| 61kB 639kB/s
  Collecting urllib3<1.23,>=1.21.1 (from requests>=2.9.1->browsermob-proxy)
    Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
      100% |||||||||||||||||||||||||||||||||| 133kB 250kB/s
  Collecting certifi>=2017.4.17 (from requests>=2.9.1->browsermob-proxy)
    Downloading certifi-2017.11.5-py2.py3-none-any.whl (330kB)
      100% |||||||||||||||||||||||||||||||||| 337kB 401kB/s
  Collecting chardet<3.1.0,>=3.0.2 (from requests>=2.9.1->browsermob-proxy)
    Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
      100% |||||||||||||||||||||||||||||||||| 143kB 296kB/s
  Installing collected packages: idna, urllib3, certifi, chardet, requests, browse
  rmob-proxy
    Running setup.py install for browsermob-proxy ... done
  Successfully installed browsermob-proxy-0.8.0 certifi-2017.11.5 chardet-3.0.4 id
  na-2.6 requests-2.18.4 urllib3-1.22
  

• Download?the?browsermob-proxy?binaries?browsermob-proxy-2.1.4-bin?form the following url :

  https://bmp.lightbody.net/
  

• Extract?and?Save?the directory within?C:\Utility

• Launch?the?Browsermobproxy Server?manually through the CLI command :

  C:\Utility\browsermob-proxy-2.1.4\lib>java -jar browsermob-dist-2.1.4.jar --port 9090
  Running BrowserMob Proxy using LittleProxy implementation. To revert to the legacy implementation, run the proxy with the command-line option '--use-littleproxy false'.
  [INFO  2018-01-17T19:01:30,276 net.lightbody.bmp.proxy.Main] (main) Starting BrowserMob Proxy version 2.1.4
  [INFO  2018-01-17T19:01:30,388 org.eclipse.jetty.util.log] (main) jetty-7.x.y-SNAPSHOT
  [INFO  2018-01-17T19:01:30,471 org.eclipse.jetty.util.log] (main) started o.e.j.s.ServletContextHandler{/,null}
  [INFO  2018-01-17T19:01:30,871 org.eclipse.jetty.util.log] (main) Started SelectChannelConnector@0.0.0.0:9090
  

• You can also launch the?Browsermobproxy Server?through your code as below.

• Create a new?PyDev?module (if using?Eclipse) and write a basic program through your?IDE?as follows :

  from browsermobproxy import Server
  server = Server("C:\\Utility\\browsermob-proxy-2.1.4\\bin\\browsermob-proxy")
  server.start()
  proxy = server.create_proxy()
  
  from selenium import webdriver
  profile  = webdriver.FirefoxProfile()
  profile.set_proxy(proxy.selenium_proxy())
  driver = webdriver.Firefox(firefox_profile=profile)
  
  
  proxy.new_har("google")
  driver.get("http://www.google.co.in")
  proxy.har # returns a HAR JSON blob
  
  server.stop()
  driver.quit()
  

• Snapshot :

• Execute your?Test?as a?Python Run
• While your?Program?executes you will observe?Firefox Quantum Browser?gets initialized and the?url?http://www.google.co.in?opens up and gets closed at the end of the test.

• On completion of the?Test Execution?you will find the following files within your work space which will give you all the details of the?Test Execution?:

  bmp.log
  geckodriver.log
  server.log