test.yml

name: Test

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v7

      - name: build the fixture
        run: |
          mkdir -p fixture/nested
          cat > fixture/theme.css <<'EOF'
          .chat-2ZfjoI { color: red; }                       /* renamed repeatedly since 2021 */
          .aspect-ratio-16\/9__20ba8 { color: red; }          /* escaped slash */
          .container_unknown123 { color: blue; }              /* not in the changelist */
          .xchat-2ZfjoI, .chat-2ZfjoIy { color: green; }      /* must not match as substrings */
          EOF
          cat > fixture/nested/deep.css <<'EOF'
          .messagesPopoutWrap_e8b59c { color: red; }
          EOF

      - id: update
        uses: ./
        with:
          folder: fixture
          ext: css

      - name: check the results
        run: |
          echo "totalChanges=${{steps.update.outputs.totalChanges}}"
          echo "changed=${{steps.update.outputs.changed}}"
          echo '--- fixture/theme.css'; cat fixture/theme.css
          echo '--- fixture/nested/deep.css'; cat fixture/nested/deep.css

          fail() { echo "FAIL: $1"; exit 1; }

          # the outputs have to actually come through, otherwise a workflow gated on
          # them silently never commits
          [ -n "${{steps.update.outputs.totalChanges}}" ] || fail "totalChanges is empty"
          [ "${{steps.update.outputs.changed}}" = "true" ] || fail "changed should be true"
          [ "${{steps.update.outputs.totalChanges}}" -ge 3 ] || fail "expected at least 3 replacements"

          # stale names are gone
          grep -q '^\.chat-2ZfjoI '            fixture/theme.css && fail "2021 class not renamed"
          grep -q 'aspect-ratio-16\\/9__20ba8' fixture/theme.css && fail "slash class not renamed"
          grep -q 'messagesPopoutWrap_e8b59c'  fixture/nested/deep.css && fail "nested file not updated"

          # the escape survives, so the selector is still valid css
          grep -q 'aspect-ratio-16\\/9_'       fixture/theme.css || fail "slash escape was lost"

          # everything else is left alone
          grep -q 'container_unknown123'       fixture/theme.css || fail "unknown class was touched"
          grep -q '\.xchat-2ZfjoI'             fixture/theme.css || fail "substring match clobbered a class"
          grep -q '\.chat-2ZfjoIy'             fixture/theme.css || fail "substring match clobbered a class"
          grep -q 'color: blue'                fixture/theme.css || fail "declarations were mangled"

          echo "all checks passed"

      - name: a missing changelist has to fail the run
        run: |
          if node dist/index.js; then
            echo "FAIL: a dead changelist should exit non-zero"; exit 1
          fi
          echo "correctly failed"
        env:
          INPUT_FOLDER: fixture
          INPUT_EXT: css
          INPUT_DIFF: https://codeberg.org/SyndiShanX/Update-Classes/raw/branch/does-not-exist/Changes.txt