name: Test Rust

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

jobs:
  changes:
    name: Paths filter
    runs-on: ubuntu-latest
    outputs:
      src: ${{ steps.filter.outputs.src }}
    steps:
      - uses: actions/checkout@v2

      - uses: dorny/paths-filter@v2
        id: filter
        with:
          filters: |
            src:
              - '!(web/package.json|web/package-lock.json|web/packages/**|**.md)'

  build:
    needs: changes
    if: needs.changes.outputs.src == 'true'
    name: Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.rust_version == 'nightly' || matrix.rust_version == 'beta' }}
    strategy:
      fail-fast: false
      matrix:
        rust_version: [stable]
        os: [ubuntu-latest, windows-latest, macOS-latest]
        include:
          - rust_version: nightly
            os: ubuntu-latest
          - rust_version: beta
            os: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust_version }}
          override: true
          components: rustfmt, clippy

      - name: Install Linux dependencies
        if: matrix.os == 'ubuntu-latest'
        run: |
          sudo add-apt-repository ppa:kisak/kisak-mesa -y
          sudo apt-get update
          sudo apt-get dist-upgrade
          sudo apt install -y libasound2-dev libxcb-shape0-dev libxcb-xfixes0-dev mesa-vulkan-drivers

      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

      - name: Check clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --all --tests -- -D warnings

      - name: Run tests with image tests
        if: matrix.os == 'ubuntu-latest' || matrix.os == 'windows-latest'
        uses: actions-rs/cargo@v1
        env:
          XDG_RUNTIME_DIR: '' # dummy value, just to silence warnings about it missing
        with:
          command: test
          args: --features imgtests

      - name: Run tests without image tests
        if: ${{ !(matrix.os == 'ubuntu-latest' || matrix.os == 'windows-latest') }}
        uses: actions-rs/cargo@v1
        with:
          command: test

      - name: Upload images
        if: failure()
        uses: actions/upload-artifact@v2
        with:
          name: swf_images
          path: tests/**/*.png.updated

  check-required:
    needs: changes
    if: needs.changes.outputs.src == 'false'
    name: Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        rust_version: [stable]
        os: [ubuntu-latest, windows-latest, macOS-latest]
        include:
          - rust_version: nightly
            os: ubuntu-latest
          - rust_version: beta
            os: ubuntu-latest

    steps:
      - name: No-op
        run: echo noop