create-or-update-comment/.github/workflows/test-command.yml

name: Test Command
on:
  repository_dispatch:
    types: [test-command]
jobs:
  testCreateOrUpdateComment:
    runs-on: ubuntu-latest
    steps:
      # Get the target repository and branch
      - name: Get the target repository and branch
        id: vars
        run: |
          repository=${{ github.event.client_payload.slash_command.repository }}
          if [[ -z "$repository" ]]; then repository=${{ github.repository }}; fi
          echo "repository=$repository" >> $GITHUB_OUTPUT
          branch=${{ github.event.client_payload.slash_command.branch }}
          if [[ -z "$branch" ]]; then branch="main"; fi
          echo "branch=$branch" >> $GITHUB_OUTPUT          

      # Checkout the branch to test
      - uses: actions/checkout@v3
        with:
          repository: ${{ steps.vars.outputs.repository }}
          ref: ${{ steps.vars.outputs.branch }}

      # Test create
      - name: Create comment
        uses: ./
        id: couc
        with:
          issue-number: 1
          body: |
            This is a multi-line test comment
            - With GitHub **Markdown** :sparkles:
            - Created by [create-or-update-comment][1]

            [1]: https://github.com/peter-evans/create-or-update-comment            
          reactions: '+1'

      # Test update
      - name: Update comment
        uses: ./
        with:
          comment-id: ${{ steps.couc.outputs.comment-id }}
          body: |
            **Edit:** Some additional info            
          reactions: eyes

      # Test add reactions
      - name: Add reactions
        uses: ./
        with:
          comment-id: ${{ steps.couc.outputs.comment-id }}
          reactions: heart, hooray, laugh

      - name: Add reaction
        uses: peter-evans/create-or-update-comment@v2
        with:
          repository: ${{ github.event.client_payload.github.payload.repository.full_name }}
          comment-id: ${{ github.event.client_payload.github.payload.comment.id }}
          reactions: hooray

      # Test create with body from file
      - name: Create comment
        uses: ./
        with:
          issue-number: 1
          body-file: .github/comment-body.md

      # Test create from template
      - name: Render template
        id: template
        uses: chuhlomin/render-template@v1.6
        with:
          template: .github/comment-template.md
          vars: |
            foo: this
            bar: that            

      - name: Create comment
        uses: ./
        with:
          issue-number: 1
          body: ${{ steps.template.outputs.result }}