.travis.yml

language: node_js
notifications:
  email: false

jobs:
  include:
    - name: 🧪 Run test suite
      script:
      # Ensure Travis aborts without running tests if the package-lock.json file
      # needs updating
      - set -e
      - ./bin/check-package-lock.sh
      # TravisCI is slower than our local machines, so results in intermittent
      # timeouts using the `--runInBand` flag we can force it to without
      # requiring as much resource.
      # https://facebook.github.io/jest/docs/en/troubleshooting.html#tests-are-extremely-slow-on-docker-and-or-continuous-integration-ci-server
      - npm test -- --runInBand

    # Ensure that the Sass compiles using the minimum versions of the compilers
    # that we aim to support

    - name: 📚 Test Sass compiles using LibSass v3.3.0
      node_js: 4 # Node 4 required for oldest version of node-sass we support
      install: npm install -g node-sass@v3.4.0 # node-sass v3.4.0 = libsass v3.3.0
      script: 
        - node-sass --version
        - time node-sass src/govuk/all.scss > /dev/null

    - name: 🎯 Test Sass compiles using Dart Sass v1.0.0
      node_js: 8 # Assumed based on release date of dart-sass v1.0.0
      install: npm install -g sass@v1.0.0
      script: 
        - sass --version
        - time sass src/govuk/all.scss > /dev/null

    - name: 💎 Test Sass compiles using Ruby Sass v3.4.0 (deprecated)
      language: ruby
      rvm: 1.9.3-p551 # Assumed based on release date of Ruby Sass v3.4.0
      install: gem install sass -v 3.4.0
      script: 
        - sass --version
        - time sass src/govuk/all.scss > /dev/null

# Heroku is configured to automatically deploy the following branches
# once CI passes:
# master         -> http://govuk-frontend-review.herokuapp.com/