github actions test

.github/workflows/main.yml

@@ -0,0 +1,50 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the action will run. 
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+        
+      - name: build examples
+        run: |
+          /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16
+          export DISPLAY=:1.0
+          sleep 3
+          wget http://downloads.arduino.cc/arduino-$IDE_VERSION-linux64.tar.xz
+          tar xf arduino-$IDE_VERSION-linux64.tar.xz
+          mv arduino-$IDE_VERSION $HOME/arduino_ide
+          export PATH="$HOME/arduino_ide:$PATH"
+          which arduino
+          mkdir -p $HOME/Arduino/libraries
+
+          wget https://github.com/bblanchon/ArduinoJson/archive/6.x.zip
+          unzip 6.x.zip
+          mv ArduinoJson-6.x $HOME/Arduino/libraries/ArduinoJson
+          cp -r $GITHUB_WORKSPACE $HOME/Arduino/libraries/arduinoWebSockets
+          source $GITHUB_WORKSPACE/travis/common.sh
+          get_core $CPU
+          cd $GITHUB_WORKSPACE
+          arduino --board $BOARD --save-prefs
+          arduino --get-pref sketchbook.path
+          arduino --pref update.check=false
+          build_sketches arduino $HOME/Arduino/libraries/arduinoWebSockets/examples/$CPU $CPU