Getting Started with Geb

[Akshay Ashtavadhani]

Hello,

   I am new to Geb and groovy having knowledge of selenium webdriver. I have imported examples available, in intellij IDE and able to run it successfully. 

Now i want to create my own scripts and want to play with that. For now i am trying basic script to just open a browser with url.

 

Following are some questions i am having

1] Will Geb works standalone with groovy or it will required Spock or other framework knowledge.

2] Do we have any doc for step by step creation and execution of the basic geb script.

Following are the steps i have followed in eclipse to run basic script. But i am getting error(pasted here)

1] Created Groovy project

2] Imported geb-core-0.12.2 jar and also jars required for webdriver

3] code written 

import geb.Browser;

Browser.drive {

go "http://myapp.com/login"

}

Error:

  Caught: java.lang.NoClassDefFoundError: geb/error/GebException

java.lang.NoClassDefFoundError: geb/error/GebException

Caused by: java.lang.ClassNotFoundException: geb.error.GebException

Can anybody please let me know what else i will required to make the scripts run.

Thanks in advance.

[Marcin Erdmann]

1) Work is a browser automation framework and hence does not need/depend any testing frameworks (be it JUnit, Spock, Cucumber) to be used. Standalone Groovy is enough.

2) The Book of Geb (http://www.gebish.org/manual/current) is all the available documentation.

The errors you are seeing in Eclipse are due to missing dependencies. You should not resolve them by hand but use a build framework to do it for you as it's less error prone. I would suggest Gradle but Maven can do the job for you as well if you dare. There is an example Maven project here: https://github.com/geb/geb-example-maven and a Gradle one here: https://github.com/geb/geb-example-gradle. You can also have a look at my stackoverflow response about setting up a Geb project with Gradle from scratch in IntelliJ (i.e. without Gradle installed on your machine): http://stackoverflow.com/questions/24039574/linkage-error-with-geb/24195114#24195114, just please bear in mind the the answer is old and you might need to update dependency versions (latest Gradle is 2.6 for example).

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[i1]

Hello
  I like to do performance testing using selenium,can you give some inputs to learn and do selenium performance testing.

[Stefan Hildebrandt]

Hi,

as introduction:

https://www.youtube.com/watch?v=muz47xeugos

short summary:

you can generate requests and some load, but you cannot measure times on client-side (latency within selenium), so you must use other tools like

 

http://yahoo.github.io/boomerang/doc/

http://stevesouders.com/episodes/index.php

best regards

stefan

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[i1]

Thank you Stefan Hildebrandt , is there any other better tools to do performance testing other than selenium?

[Brian Kotek]

What do you mean by "performance testing"? Do you mean load testing?

On Fri, Sep 18, 2015 at 7:41 AM, i1 <indh...@vyoog.com> wrote:

Thank you Stefan Hildebrandt , is there any other better tools to do performance testing other than selenium?

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[i1]

Yes brian428,Load runner testing.

[Colin Harrington]

Geb/Webdriver isn't the right tool for running load tests.  Webdriver launches a real browser and controls it via code.  Scaling up to hundreds of browser instances is problematic, let alone thousands or beyond.  Browsers aren't known for their light weight memory footprint and typically require a lot of resources.

Even though Geb/Webdriver isn't the right choice for running load tests, it can be very useful for helping generate the load testing scripts.  

On previous projects, I've used Geb tests to generate traffic that was recorded by a tool like JMeter.  If you record the HTTP traffic generated by Geb/Webdriver, you can use that to execute your load tests.  Once you have a good recorded session (or set of sessions variations), you can then pick out the variables and scale up to do your load tests.

This worked out well because the Geb tests were kept in sync with our codebase (Continuous Integration, Automated testing)  I would have loved to do load testing on every build, but that wasn't a requirement for the projects.   The little bit of work to record the HTTP traffic was worth it each time we re-evaluated the application and environment's performance.

Hope that helps

~ Colin

Colin Harrington
colin.ha...@gmail.com

On Fri, Sep 18, 2015 at 10:52 PM, i1 <indh...@vyoog.com> wrote:

Yes brian428,Load runner testing.

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[i1]

Thank you. At present i have to do performance testing for an ERP application.So give the suggestions which would be the best for doing? since am new to this i don't have any idea about Performance testing in Groovy.

[Brian Kotek]

It sounds like you need to do some general learning and research on load testing in general. There's really no way that a few posts on a mailing list are going to give you enough information to do this.

On Sat, Sep 19, 2015 at 1:36 AM, i1 <indh...@vyoog.com> wrote:

Thank you. At present i have to do performance testing for an ERP application.So give the suggestions which would be the best for doing? since am new to this i don't have any idea about Performance testing in Groovy.

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