name: Test

on: [push]

jobs:
  test:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: ['10', '12', '13']

    steps:
      - uses: actions/checkout@v1

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}

      - name: Cache node modules
        uses: actions/cache@v1
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: ${{ runner.os }}-node-${{ matrix.node-version }}-

      - name: Cache Gatsby build output
        uses: actions/cache@v1
        with:
          path: public
          key: ${{ runner.os }}-public

      - run: npm ci
      - run: npm test
      - run: npm run build
        env:
          CI: true
          GATSBY_GITHUB_TOKEN: ${{ secrets.GATSBY_GITHUB_TOKEN }}