ci.yml

name: CI

on:
  pull_request:
  
  push:
    branches:
      - "master"

jobs:
  build:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: "npm"
          cache-dependency-path: FrontEndReact/package.json
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Cache jest cache
        uses: actions/cache@v4
        env:
          cache-name: jest-cache
        with:
          path: /tmp/jest-cache
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('FrontEndReact/**/*.js', 'FrontEndReact/package.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
      
      - name: Build backend
        run: docker compose build backend
      
      # TODO: Run pytests here using docker compose run or something
      
      - name: Start backend
        run: |
          docker compose up --no-build --detach backend
          sleep 5
          curl -v 'http://127.0.0.1:5050/api'
        # Use curl to make sure the backend is up and accessible
      
      - name: Install Node dependencies
        run: |
          cd FrontEndReact
          npm install
      
      - name: Run ESLint
        run: |
          cd FrontEndReact
          npx eslint --max-warnings=0 .
      
      - name: Run Jest tests
        run: |
          cd FrontEndReact
          npm test -- --all --cacheDirectory /tmp/jest-cache --setupFiles ./jest-ci-setup.js --setupFiles ./node_modules/react-app-polyfill/jsdom.js
        # See FrontEndReact/jest-ci-setup.js for the rationale behind the --setupFiles ./jest-ci-setup.js hack
        # The ./node_modules/react-app-polyfill/jsdom.js setup file is enabled by default, but
        #  using any setupFiles args overrides the defaults so I have to add it
        #  manually
        env:
          REACT_APP_API_URL: "http://127.0.0.1:5050/api"