ci.yml

name: Test Action

on:
  push:
  pull_request:
  workflow_dispatch: # Follow open-java-format releases runs this on the bump it pushes

# No version input anywhere here: the tests run the action with its default, the version that Follow
# open-java-format releases bumps. That workflow pushes with its own token, which may not change a
# workflow file, so the version must not be written in this one.
jobs:
  test-changed:
    name: Test mode=changed
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0
      - uses: ./
        with:
          mode: changed

  # The action and the hook on every platform they support, with a file that is formatted and one that
  # is not. The repository itself has no Java files, so the tests write their own.
  test-platforms:
    name: Test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, ubuntu-24.04-arm, macos-latest, macos-15-intel, windows-latest]
    defaults:
      run:
        shell: bash
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Write a formatted file
        run: printf 'class Formatted {\n    int x;\n}\n' > Formatted.java

      - name: Check it
        uses: ./
        with:
          mode: all

      - name: Write a file that is not formatted
        run: printf 'class Unformatted{int x;}\n' > Unformatted.java

      - name: Check it, expecting a failure
        id: unformatted
        continue-on-error: true
        uses: ./
        with:
          mode: all

      - name: Make sure the check failed
        run: test "${{ steps.unformatted.outcome }}" = failure

      - name: Run the pre-commit hook on a file that is not formatted, then on a formatted one
        run: |
          git init -q hook-test
          cd hook-test
          printf 'class Hook{int x;}\n' > Hook.java
          git add Hook.java
          if bash ../pre-commit; then
            echo "::error::The hook accepted a file that is not formatted"
            exit 1
          fi
          printf 'class Hook {\n    int x;\n}\n' > Hook.java
          git add Hook.java
          bash ../pre-commit