.travis.yml

# https://docs.travis-ci.com/user/multi-os/
# https://docs.travis-ci.com/user/ci-environment/#Virtualization-environments
dist: focal
language: node_js
node_js: node

#env:
#-   MAX_CPU_PERCENT=20 MAX_MEM_PERCENT=5

before_install:
  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
  - sudo apt-get -qq update
  - sudo apt-get -qq -y -o Dpkg::Options::="--force-confnew" install docker-ce

install:
-   sudo apt-key update
-   sudo apt-get -yq update
-   sudo apt -yq install xvfb gnome-shell
-   npm install -g eslint

before_script:
  - "export DISPLAY=:99.0"
  - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16"
  - sleep 3 # give xvfb some time to start
  - sudo gnome-shell &
  - sleep 3 # give gnome-shell some time to start

script:

# Clear initial gnome-shell errors we don't care about.
#-   sudo journalctl /usr/bin/gnome-shell
#-   sudo journalctl --rotate
#-   sudo journalctl --vacuum-time=1s

# Show pre-extension gnome-shell performance.
#-   ps -C gnome-shell -o %cpu,%mem,cmd

# Run JSlint check.
-   cd $TRAVIS_BUILD_DIR
-   ./checkjs.sh

# Install and enable extension.
#-   sudo make install
#-   gnome-shell-extension-tool --enable-extension=system-monitor@paradoxxx.zero.gmail.com

# Give extension time to run.
#-   sleep 10

# Show post-extension gnome-shell performance.
#-   ps -C gnome-shell -o %cpu,%mem,cmd
## Check CPU. On localhost with 2.80GHz x 4 takes ~3%, on Travis ~15%.
#-   bash -c '[[ $(bc <<< "$(ps -C gnome-shell -o %cpu|tail -1) < $MAX_CPU_PERCENT") -eq 1 ]]'
## Check memory. On localhost with 32GB of memory, ~0.6%, on Travis ~3%.
#-   bash -c '[[ $(bc <<< "$(ps -C gnome-shell -o %mem|tail -1) < $MAX_MEM_PERCENT") -eq 1 ]]'
## Confirm extension hasn't thrown any errors.
#-   sudo journalctl /usr/bin/gnome-shell
#-   sudo journalctl /usr/bin/gnome-shell|grep "\-\- No entries \-\-"

# Run Docker GUI tests.
-   docker --version
-   ./test.sh