example-firefox.yml

name: example-firefox
on: push
jobs:
  firefox:
    runs-on: ubuntu-latest
    # https://github.com/cypress-io/cypress-docker-images
    container:
      image: cypress/browsers:node12.16.1-chrome80-ff73
      # "magical" user id that matches id for created home folder
      # https://github.com/cypress-io/github-action/issues/104
      options: --user 1001
    steps:
      - name: Checkout
        uses: actions/checkout@v1

      # for debugging permission problems
      - run: id
      # the home folder is set by the GH docker start
      # -e "HOME=/github/home"
      # and has permissions (user 1001)
      # drwxr-xr-x 2 1001  115
      - run: ls -la ~

      - name: Firefox
        uses: ./
        timeout-minutes: 3
        with:
          working-directory: examples/firefox
          browser: firefox

      # report screenshot size and store the screenshots as test artifacts
      - uses: actions/upload-artifact@v1
        with:
          name: screenshots-in-firefox
          path: examples/firefox/cypress/screenshots

      - run: npx image-size cypress/screenshots/**/*.png
        working-directory: examples/firefox