# NOTE: Changes to this file should also be applied to './test-windows.yml'

name: Node.js Tests

# **What it does**: Runs our tests.
# **Why we have it**: We want our tests to pass before merging code.
# **Who does it impact**: Docs engineering, open-source engineering contributors.

on:
  workflow_dispatch:
  pull_request:

permissions:
  contents: read
  # Needed for the 'trilom/file-changes-action' action
  pull-requests: read

# This allows a subsequently queued workflow run to interrupt previous runs
concurrency:
  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
  cancel-in-progress: true

jobs:
  test:
    # Run on self-hosted if the private repo or ubuntu-latest if the public repo
    # See pull # 17442 in the private repo for context
    runs-on: ${{ fromJSON('["ubuntu-latest", "self-hosted"]')[github.repository == 'github/docs-internal'] }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        # The same array lives in test-windows.yml, so make any updates there too.
        test-group:
          [
            content,
            graphql,
            meta,
            rendering,
            routing,
            unit,
            linting,
            translations,
          ]
    steps:
      # Each of these ifs needs to be repeated at each step to make sure the required check still runs
      # Even if if doesn't do anything
      - name: Check out repo
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579
        with:
          # Enables cloning the Early Access repo later with the relevant PAT
          persist-credentials: 'false'

      - name: Gather files changed
        uses: trilom/file-changes-action@a6ca26c14274c33b15e6499323aac178af06ad4b
        id: get_diff_files
        with:
          # So that `steps.get_diff_files.outputs.files` becomes
          # a string like `foo.js path/bar.md`
          output: ' '

      - name: Insight into changed files
        run: |

          # Must to do this because the list of files can be HUGE. Especially
          # in a repo-sync when there are lots of translation files involved.
          echo "${{ steps.get_diff_files.outputs.files }}" > get_diff_files.txt

      - name: Setup node
        uses: actions/setup-node@04c56d2f954f1e4c69436aa54cfef261a018f458
        with:
          node-version: 16.13.x
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Clone early access
        if: ${{ github.repository == 'github/docs-internal' }}
        run: script/early-access/clone-for-build.js
        env:
          DOCUBOT_REPO_PAT: ${{ secrets.DOCUBOT_REPO_PAT }}
          GIT_BRANCH: ${{ github.head_ref || github.ref }}

      - name: Cache nextjs build
        uses: actions/cache@c64c572235d810460d0d6876e9c705ad5002b353
        with:
          path: .next/cache
          key: ${{ runner.os }}-nextjs-${{ hashFiles('package*.json') }}

      - name: Run build script
        run: npm run build

      - name: Run tests
        env:
          DIFF_FILE: get_diff_files.txt
        run: npm run test tests/${{ matrix.test-group }}/