Run FitNesse – selenium tests on CentOS without physical display

Environment: CentOS 7.4, Java 1.8, Firefox 59.0.2 x64 (latest version at the time of writing the post)

1. Install Java
2. Move FitNesse stanalone jar to  /opt/fitnesse/
3. Install firefox:
   1. You can install firefox through
      Copy to Clipboard

      Syntax Highlighteryum install firefox
      , firefox will not install the latest version, but all necessary libraries will be downloaded and installed for normal operation.
   2. Download the latest version from https://www.mozilla.org/en/firefox/all/, at the moment it’s https://download-installer.cdn.mozilla.net/pub/firefox/releases/59.0.2/linux-x86_64/en-US/firefox-59.0.2.tar.bz2 firefox-59.0.2.tar.bz2 and unzip to /opt/firefox/
   3. Create links: 
      Copy to Clipboard

      Syntax Highlightersudo ln -s /opt/firefox/firefox /usr/bin/firefox sudo ln -s /opt/firefox/firefox /usr/local/bin/firefox
4. Install X windows virtual framebuffer:
   1. Install:
      Copy to Clipboard

      Syntax Highlightersudo yum -y install firefox Xvfb libXfont Xorg
       
      Copy to Clipboard

      Syntax Highlightersudo yum -y groupinstall "X Window System" "Desktop" "Fonts" "General Purpose Desktop"
   2. Run:
      1. Run  XWindows Virtual Frame Buffer(XVFB) on Display Port 99: 
         Copy to Clipboard

         Syntax HighlighterXvfb :99 -ac -screen 0 1980x1080x24 &
      2. Redirect all XWindows applications to the Xvfb display port  (you can add this to .bash_profile): 
         Copy to Clipboard

         Syntax Highlighterexport DISPLAY=:99
5. Run FitNesse. I wrote a simple bash script for run FitNesse with a check, does the variable DISPLAY exist and xvfb is run. 
   Copy to Clipboard

   Syntax Highlighter#!/bin/bash if [ -z "$DISPLAY" ] then echo "You must export DISPLAY=:99 before start fitnesse" exit 1 fi if ! pgrep -x "Xvfb" > /dev/null then echo "You must run Xvfb before start fitnesse" exit 1 fi java -jar fitnesse-standalone.jar &