pr.yaml

name: Pull Request
on: [pull_request, workflow_dispatch]

permissions: read-all

concurrency:
  group: ${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  trunk_check:
    name: Trunk Check Runner
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

      - name: Setup node
        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
        with:
          node-version: 18

      - name: Install dependencies
        run: npm ci

      - name: Trunk Check
        uses: trunk-io/trunk-action@4f077db8a20117a021b787adbf62729ae143c19e # v1.0.8

  detect_changes:
    name: Detect changed files
    runs-on: ubuntu-latest
    timeout-minutes: 5

    outputs:
      linters: ${{ steps.filter.outputs.linters }}
      repo-tests: ${{ steps.filter.outputs.repo-tests }}
      # "linters" if ${{ steps.filter.outputs.all-linters }} is 'true'
      all-linters: ${{ steps.post-filter.outputs.out }}
      # shortened paths to linter subdirs
      linters-files: ${{ steps.post-filter-paths.outputs.out }}

    steps:
      - name: Checkout
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

      - name: Determine upstream
        run: |
          head_sha=$(git rev-parse HEAD)
          git -c protocol.version=2 fetch -q \
            --no-tags \
            --no-recurse-submodules \
            --depth=2 \
            origin "${head_sha}"
          upstream=$(git rev-parse HEAD^1)
          echo "TEST_UPSTREAM=${upstream}" >>"${GITHUB_ENV}"

      - name: Detect changed paths
        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
        id: filter
        with:
          base: ${{ env.TEST_UPSTREAM }}
          filters: .github/filters.yaml
          list-files: shell

      - name: Suggest all linter tests
        id: post-filter
        if: steps.filter.outputs.all-linters == 'true'
        run: |
          echo "Run all linter tests"
          echo "out=linters" >> "$GITHUB_OUTPUT"

      - name: Suggest normalized individual linter paths
        id: post-filter-paths
        if: steps.filter.outputs.linters
        run: |
          linter_files=$(echo ${{steps.filter.outputs.linters_files}} |
          grep -oP "\Klinters/.*?(?=/)" |
          uniq | tr '\n' ' ')
          echo "Running tests on individual linters: ${linter_files}"
          echo "out=${linter_files}" >> "$GITHUB_OUTPUT"

  # Run tests against all linters for known_good_version and latest version
  linter_tests:
    name: Plugin Tests
    runs-on: ${{ matrix.os }}
    needs: detect_changes
    if:
      needs.detect_changes.outputs.linters == 'true' || needs.detect_changes.outputs.all-linters ==
      'linters'
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
    steps:
      - name: Checkout
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

      - name: Cache tool downloads
        uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
        with:
          path: /tmp/plugins_testing_download_cache
          # No need to key on trunk version unless we change how we store downloads.
          key: trunk-${{ runner.os }}

      - name: Linter Tests
        # Run tests using KnownGoodVersion with any modified linters and conditionally all linters
        uses: ./.github/actions/linter_tests
        with:
          linter-version: KnownGoodVersion
          append-args:
            ${{ needs.detect_changes.outputs.all-linters }} ${{
            needs.detect_changes.outputs.linters-files }}

      - name: Linter Tests Latest
        # Run tests on Latest with any modified linters (see filters.yaml). Don't run when cancelled.
        if:
          (failure() || success()) && needs.detect_changes.outputs.linters == 'true' &&
          needs.detect_changes.outputs.linters-files != ''
        uses: ./.github/actions/linter_tests
        with:
          linter-version: Latest
          append-args: ${{needs.detect_changes.outputs.linters-files }}

  # Run repo healthcheck tests
  repo_tests:
    name: Repo Tests
    needs: detect_changes
    if: needs.detect_changes.outputs.repo-tests == 'true'
    uses: ./.github/workflows/repo_tests.reusable.yaml

  report_test_success:
    if: ${{ always() }}
    runs-on: ubuntu-latest
    name: Aggregate Test Results
    needs: [linter_tests, repo_tests]
    steps:
      - run: |
          linters="${{ needs.linter_tests.result }}"
          repos="${{ needs.repo_tests.result }}"
          if [[ $linters != "success" && $linters != "skipped" ]]; then
            echo "Detected failure in linter tests"
            exit 1
          elif [[ $repos != "success" && $repos != "skipped" ]]; then
            echo "Detected failure in repo tests"
            exit 1
          else
            echo "All tests skipped or passed"
            exit 0
          fi