applicant-ci.yml

name: Applicant CI

on:
  pull_request:
    branches:
      - develop
    paths:
      - "packages/applicant/**"
      - "packages/gap-web-ui/**"  
      - ".github/workflows/applicant-ci.yml"
      - "package.json"
      - "yarn.lock"

jobs:
  install:
    name: Install dependencies
    runs-on: ubuntu-latest

    outputs: 
      gap-web-ui-hash: ${{ steps.gap-web-ui-hash.outputs.name }}

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Generate gap-web-ui hash
        id: gap-web-ui-hash
        run: |
          NAME=${{ hashFiles('**/packages/gap-web-ui/**/*.js', '**/packages/gap-web-ui/**/*.jsx', '**/packages/gap-web-ui/**/*.ts', '**/packages/gap-web-ui/**/*.tsx') }}
          echo "name=$NAME" >> $GITHUB_OUTPUT

      - name: Read .nvmrc
        id: nvm
        run: echo "name=NVMRC::$(cat .nvmrc)" >> $GITHUB_OUTPUT

      - name: Setup node
        uses: actions/setup-node@v3
        with:
          node-version: "${{ steps.nvm.outputs.NVMRC }}"
          cache: 'yarn'

      - name: Install dependencies
        run: yarn install --immutable

      - name: Save node modules
        uses: actions/cache/save@v3
        with:
          path: |
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/packages/applicant/node_modules
          key: ${{ github.sha }}

      - name: Restore gap-web-ui cache
        id: gap-web-ui-cache
        uses: actions/cache/restore@v3
        with:
          path: ${{ github.workspace }}/packages/gap-web-ui/dist
          key: gap-web-ui-${{ steps.gap-web-ui-hash.outputs.name }}

      - name: Build gap-web-ui
        if: steps.gap-web-ui-cache.outputs.cache-hit != 'true'
        run: yarn workspace gap-web-ui build

      - name: Save gap-web-ui cache
        if: steps.gap-web-ui-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v3
        with:
          path: ${{ github.workspace }}/packages/gap-web-ui/dist
          key: gap-web-ui-${{ steps.gap-web-ui-hash.outputs.name }}
  
  build:
    name: Build app
    needs: install
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Generate source files hash
        id: source-file-hash
        run: |
          NAME=${{ hashFiles('**/packages/applicant/src/**/*.js', '**/packages/applicant/src/**/*.jsx', '**/packages/applicant/src/**/*.ts', '**/packages/applicant/src/**/*.tsx') }}
          echo "name=$NAME" >> $GITHUB_OUTPUT

      - name: Generate yarn lock hash
        id: yarn-lock-hash
        run: |
          NAME=${{ hashFiles('**/yarn.lock') }}
          echo "name=$NAME" >> $GITHUB_OUTPUT

      - name: Generate .env files
        run: cp packages/applicant/.env.example packages/applicant/.env

      - name: Read .nvmrc
        id: nvm
        run: echo "name=NVMRC::$(cat .nvmrc)" >> $GITHUB_OUTPUT
  
      - name: Setup node
        uses: actions/setup-node@v3
        with:
          node-version: "${{ steps.nvm.outputs.NVMRC }}"
          cache: 'yarn'

      - name: Restore gap-web-ui cache
        id: gap-web-ui-cache
        uses: actions/cache/restore@v3
        with:
          path: ${{ github.workspace }}/packages/gap-web-ui/dist
          key: gap-web-ui-${{ needs.install.outputs.gap-web-ui-hash }}

      - name: Restore node modules
        uses: actions/cache/restore@v3
        with:
          path: |
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/packages/applicant/node_modules
          key: ${{ github.sha }}

      # Based on steps described here - https://nextjs.org/docs/pages/building-your-application/deploying/ci-build-caching#github-actions
      - name: Next applicant cache
        uses: actions/cache@v3
        with:
          path: ${{ github.workspace }}/packages/applicant/.next/cache
          key: applicant-next-cache-${{ steps.yarn-lock-hash.outputs.name }}-${{ steps.source-file-hash.outputs.name }}
          restore-keys: applicant-next-cache-${{ steps.yarn-lock-hash.outputs.name }}-

      - name: Build application
        run: yarn workspace applicant build
      
      - name: Lint files
        run: yarn workspace applicant lint

  test:
    name: Test app
    runs-on: ubuntu-latest
    needs: install
    strategy:
      matrix:
        shard: [1, 2, 3, 4]
      fail-fast: false

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Generate gap-web-ui hash
        id: gap-web-ui-hash
        run: |
          NAME=${{ hashFiles('**/packages/gap-web-ui/**/*.js', '**/packages/gap-web-ui/**/*.jsx', '**/packages/gap-web-ui/**/*.ts', '**/packages/gap-web-ui/**/*.tsx') }}
          echo "name=$NAME" >> $GITHUB_OUTPUT

      - name: Setup node
        uses: actions/setup-node@v3
        with:
          cache: 'yarn'

      - name: Restore node modules
        uses: actions/cache/restore@v3
        with:
          path: |
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/packages/applicant/node_modules
          key: ${{ github.sha }}

      - name: Restore gap-web-ui cache
        uses: actions/cache/restore@v3
        with:
          path: ${{ github.workspace }}/packages/gap-web-ui/dist
          key: gap-web-ui-${{ steps.gap-web-ui-hash.outputs.name }}

      - name: Generate .env files
        run: cp packages/applicant/.env.example packages/applicant/.env

      - name: Run tests
        run: yarn jest --selectProjects applicant --runInBand --ci --shard=${{ matrix.shard }}/${{ strategy.job-total }}