# Smoke-tests the composite action defined in ./action.yml by running it
# against this repository's own checkout (uses: ./). This is how the action
# itself is verified in CI: it imports a small image into WSL and then runs a
# command inside the resulting distribution.
name: Action test

on:
  push:
    branches: [ main ]
  pull_request:
    paths:
      - 'action.yml'
      - '.github/workflows/action-test.yml'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  action-image:
    name: Import a simple image via the action
    runs-on: windows-2025
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      # Exercise the local action (uses: ./) so the version on this branch is
      # what gets tested, not a published Marketplace release.
      - name: Run oci-to-wsl action
        id: import
        uses: ./
        with:
          image: alpine:3.20
          name: action-test-alpine

      - name: Verify the distribution works
        shell: pwsh
        run: |
          $ErrorActionPreference = 'Stop'
          # The image was imported above; confirm the distro is registered and
          # that a command runs inside it.
          wsl --list --verbose
          $out = wsl -d action-test-alpine -- cat /etc/os-release
          $out
          if (($out -join "`n") -notmatch 'Alpine') {
            throw "expected Alpine in /etc/os-release, got: $out"
          }

      - name: Verify action output
        shell: pwsh
        run: |
          if (-not (Test-Path '${{ steps.import.outputs.binary }}')) {
            throw 'action did not expose a valid "binary" output'
          }

      - name: Tear down the distribution
        if: always()
        shell: pwsh
        run: wsl --unregister action-test-alpine