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This has been asked a million times on the web, but there's no clear cut answer. I tried "-browserSessionReuse" today without any luck; my tests keep spawning new browser windows.

X:\QA\Automation\SELENIUM_SERVER>java -jar selenium-server-standalone-2.8.0.jar -log "log.txt" -browserSessionReuse -forcedBrowserMode "*googlechrome"
<snip>
13:42:25.923 INFO - Will recycle browser sessions when possible.

Maybe it's how I'm starting Selenium in my .py files?

sel = selenium('localhost', 4444, "*chrome", 'http://server/')
sel.start()

...perhaps I'm doing too many server starts?

Thanks.

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I don't think that's possible. afaik Selenium always uses new Window –  Tarun Oct 19 '11 at 3:21
    
I've had the same result, and I wanted reuse at one point to check cookie values in a site test. –  MichaelF Oct 19 '11 at 12:51

3 Answers 3

up vote 7 down vote accepted

This is possible with Selenium 2 and WebDriver. I'm not sure if it is with different versions. In Selenium 2 with WebDriver you can call webDriver = new FirefoxDriver() which spawns a browser, and that browser will stay open for the duration of your testing, or you can choose to close it with webDriver.Quit().
I like to close my browser window between tests so that I know my tests aren't "dirty" with stored session data that could affect how the tests run, but I can see value in some targeted tests, where I want to try a couple different scenarios while keeping the same session going.

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Funny, I was just reading about this this morning, and I think it will solve my browser windows problem. Thank you. –  Aaron Oct 19 '11 at 18:19

You can achieve it by using same selenium instance in multiple test. That requires some code design that controls start and stop selenium. We are using ISFW that provides a way using java so that's for sure it is possible with some efforts in python as well.

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I have done it in the past by declaring my Selenium driver instance as a static member loaded by the entire test suite. Then, pass that member as an argument to each test. Then, I also created some methods to keep track of how many windows are open and make sure that the last window is never closed. Then, after each test I close all windows except for the last one and redirect the last window to "about:blank". Then, as my tests run, it reuses the windows.

I have since then, abandoned this method because I no longer need it, for the following reasons:

  1. Using a static global webdriver object was bad programming practice. My driver was part of a Utility class extended by all tests and therefore my test classes could not extend any other class. You can get around this my using Scala and/or JDK1.8 because they have the "defender method" interface feature, but since I am using JDK1.7, I needed to do this the right way.
  2. Now I close the browser after each test but since I now use "Selenium Grid" I dont need to worry about the performance impact of re-opening browsers anymore because I can throw more hardware at the problem and run multi-threaded.

NOTE: Here is my example of how I do things now but keep in mind that there are now better ways of doing this.

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