This page probably is outdated partially.

For a more up-to-date documentation regarding UI tests for Magnolia 6.1 and higher, please also check the documentation on bitbucket.

UI tests typically require browser/machine focus (especially when entering text in input fields). To avoid being stuck while UI tests proceed, it's handy to run them — the Selenium part — inside a VM.



1a. VM Setup manually

  1. Setup your VM and install Ubuntu for example
    1. mount iso image in optical drive
  2. In VirtualBox File > Host Network Manager..., click the add icon
  3. In VM Settings > Network
  4. Install guest additions

1b. VM Setup with Vagrant

  1. Download and install vagrant from or use the vagrant manager
  2. Clone the repro
  3. Go to the cloned directory and run vagrant up
  4. Start selenium server with ./

2. Selenium server setup

  1. In the VM, download Selenium Server (formerly the Selenium RC Server)
  2. On your host run the UI Tests with the variables seleniumServerHostName which is the address of your newly created VM and containerHostName which is the address used of your VM to access your host system (this is probably not equal to your machines address in the magnolia network)

    $ mvn -U clean install -Pjetty9-standalone,ui-tests -DseleniumServerHostName= -DcontainerHostName=

    If necessary replace the IP addresses.

  3. In your run configuration in IntelliJ you have to add these two variables seleniumServerHostName and containerHostName as well.

3. Fancy shell script + desktop launcher for the Selenium server

  1. Create a new script, e.g. selenium-server on the desktop as follows
  2. Make it executable
  3. The fancy icon

Double-click your script and you're good to go! (smile)

Tips for simulating low-end hardware (like on Jenkins test runs)

When tests seem to fail randomly in a non-reproducible manner on from Jenkins, it's sometimes related to slower hardware compared to local execution. To be more consistent and robust, it can be helpful to mimic such a low-end environment.

Use low screen resolution

Some failures (like hidden dialog commit buttons) only occur on screens with low resolution. With VirtualBox guest extensions properly installed, you should be able to simply resize the VM window and the guest's virtual screen should automatically adjust. As a reference for size, screenshots from failed Jenkins build may be used; or just roughly 1000 x 700 px.

Throttle Magnolia

Other test failures are caused by racing conditions only surfacing on slow systems, where certain elements take longer to load than usual. For Linux (now OS X too), there's a command line tool called cpulimit to set an upper CPU time percentage limit for certain processes.

Setting the limit to 5% for the process with id 1234 is done by

cpulimit -l 5 -i 1234