test.yml

name: Test Package

on:
  pull_request:
    branches:
      - "**"
    types:
      - opened
      - synchronize
      - reopened
    paths:
      - "packages/**"
      - "package.json"
      - ".github/workflows/test.yml"
  issue_comment:
    types: [created]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  paths-filter:
    name: Filter Changed Packages
    runs-on: ubuntu-24.04
    if: github.event_name == 'pull_request' || (github.event_name == 'issue_comment' && github.event.issue.pull_request && !contains(github.event.comment.user.name, 'bot') && contains(github.event.comment.body, '/run-snapshot'))
    permissions:
      contents: read
      pull-requests: read
    timeout-minutes: 5
    outputs:
      eslint: ${{ steps.filter.outputs.eslint-config }}
      prettier: ${{ steps.filter.outputs.prettier-config }}
      stylelint: ${{ steps.filter.outputs.stylelint-config }}
      head_ref: ${{ steps.head-ref.outputs.head_ref }}
      pr_number: ${{ steps.pr-number.outputs.pr_number }}

    steps:
      - name: Get PR information (issue_comment)
        if: github.event_name == 'issue_comment'
        id: pr-request
        uses: octokit/request-action@dad4362715b7fb2ddedf9772c8670824af564f0d # v2.4.0
        with:
          route: ${{ github.event.issue.pull_request.url }}
        env:
          GITHUB_TOKEN: ${{ github.token }}

      - name: Check PR (issue_comment)
        if: github.event_name == 'issue_comment'
        run: |
          if [ "${{ fromJson(steps.pr-request.outputs.data).base.ref }}" != 'main' ]; then
            echo "::error::PR base branch is not main."
            exit 1
          fi

          if [ "${{ fromJson(steps.pr-request.outputs.data).state }}" != 'open' ]; then
            echo "::error::PR is not open."
            exit 1
          fi

          if [ "${{ fromJson(steps.pr-request.outputs.data).draft }}" == 'true' ]; then
            echo "::error::Cannot update snapshot for draft PR."
            exit 1
          fi

          echo "head_ref=${{ fromJson(steps.pr-request.outputs.data).head.ref }}" >> $GITHUB_ENV

      - name: Define head ref
        id: head-ref
        run: |
          if [ "${{ github.event_name }}" == 'pull_request' ]; then
            echo "head_ref=${{ github.head_ref }}" >> $GITHUB_OUTPUT
          elif [ "${{ github.event_name }}" == 'issue_comment' ]; then
            echo "head_ref=${{ env.head_ref }}" >> $GITHUB_OUTPUT
          else
            echo "::error::Unexpected event name: ${{ github.event_name }}"
            exit 1
          fi

      - name: Define PR Number
        id: pr-number
        run: |
          if [ "${{ github.event_name }}" == 'pull_request' ]; then
            echo "pr_number=${{ github.event.pull_request.number }}" >> $GITHUB_OUTPUT
          elif [ "${{ github.event_name }}" == 'issue_comment' ]; then
            echo "pr_number=${{ github.event.issue.number }}" >> $GITHUB_OUTPUT
          else
            echo "::error::Unexpected event name: ${{ github.event_name }}"
            exit 1
          fi

      - name: Checkout Repo
        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
        with:
          ref: ${{ steps.head-ref.outputs.head_ref }}

      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
        id: filter
        with:
          ref: ${{ steps.head-ref.outputs.head_ref }}
          # package.json を含めているのはｌ、ビルド環境が変わった場合にすべてのパッケージをビルドするようにするため
          filters: |
            eslint-config:
              - 'packages/eslint-config/**'
              - 'package.json'
            prettier-config:
              - 'packages/prettier-config/**'
              - 'package.json'
            stylelint-config:
              - 'packages/stylelint-config/**'
              - 'package.json'

  test:
    needs: paths-filter
    name: Vitest
    if: ${{ needs.paths-filter.outputs.eslint == 'true' || needs.paths-filter.outputs.prettier == 'true' || needs.paths-filter.outputs.stylelint == 'true' }}
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    permissions:
      contents: read
      pull-requests: write

    steps:
      - name: Checkout Repo
        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
        with:
          ref: ${{ needs.paths-filter.outputs.head_ref }}

      - run: corepack enable pnpm

      - name: Setup Node.js 20.x
        uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
        with:
          node-version-file: "package.json"
          cache: "pnpm"

      - name: Install Dependencies
        run: pnpm install --frozen-lockfile

      - name: Test ESLint Config
        id: eslint
        if: ${{ needs.paths-filter.outputs.eslint == 'true' }}
        continue-on-error: true
        run: pnpm run build:eslint && pnpm run test --project eslint-config

      - name: Test Prettier Config
        id: prettier
        if: ${{ needs.paths-filter.outputs.prettier == 'true' }}
        continue-on-error: true
        run: pnpm run build:prettier && pnpm run test --project prettier-config

      - name: Test Stylelint Config
        id: stylelint
        if: ${{ needs.paths-filter.outputs.stylelint == 'true' }}
        continue-on-error: true
        run: pnpm run build:stylelint && test --project stylelint-config

      - name: Comment if any Error
        if: steps.eslint.outcome == 'failure' || steps.prettier.outcome == 'failure' || steps.stylelint.outcome == 'failure'
        run: |
          set -eu

          # Create a comment body
          cat << EOF > COMMENT.md
          ## 🚨 Snapshot test failed
          See the details in the [workflow run details](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})

          ### Errors
          EOF

          # Append the error message to the comment body
          if [ ${{ steps.eslint.outcome }} == 'failure' ]; then
              echo "- ESLint" >> COMMENT.md
          fi
          if [ ${{ steps.prettier.outcome }} == 'failure' ]; then
              echo "- Prettier" >> COMMENT.md
          fi
          if [ ${{ steps.stylelint.outcome }} == 'failure' ]; then
              echo "- Stylelint" >> COMMENT.md
          fi

          # Append the next steps to the comment body
          cat << EOF >> COMMENT.md
          ---
          ### ⏭️ Next Steps
          If snapshot changes are...

          **expected**: update the snapshots by \`/update-snapshot\`

          **unexpected**: retry the workflow by \`/run-snapshot\`
          EOF

      - name: Comment if success
        if: steps.eslint.outcome != 'failure' && steps.prettier.outcome != 'failure' && steps.stylelint.outcome != 'failure'
        run: |
          set -eu

          # Create a comment body
          cat << EOF > COMMENT.md
          ## ✅ Snapshot test success
          See the details in the [workflow run details](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
          EOF

      - name: Comment to PR
        run: |
          # Edit the last comment if it exists
          if [ ! -f COMMENT.md ]; then
            echo "::warning::comment body not found."
            exit 0
          fi

          gh pr comment ${{ needs.paths-filter.outputs.pr_number }} --body-file COMMENT.md --edit-last \
            || gh pr comment ${{ needs.paths-filter.outputs.pr_number }} --body-file COMMENT.md
        env:
          GH_TOKEN: ${{ github.token }}

      - name: Mark as failure if any Error
        if: steps.eslint.outcome == 'failure' || steps.prettier.outcome == 'failure' || steps.stylelint.outcome == 'failure'
        run: |
          echo "::error::Snapshot test failed."
          exit 1