test.yml

permissions:
  contents: read

# runs on push to the main branch, and PRs
on:
  push:
    branches: [main]
  pull_request:

name: "test"
jobs:

  # 1.
  required:
    name: "ubuntu / ${{ matrix.toolchain }}"
    runs-on: ubuntu-latest
    strategy:
      matrix:
        toolchain: [stable]
        # toolchain: [stable, beta]
    steps:
      - name: "checkout"
        uses: actions/checkout@v3
        with:
            submodules: true

      - name: "Install ${{ matrix.toolchain }}"
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}

      - name: "cargo generate-lockfile"
        if: hashFiles('Cargo.lock') == ''
        run: cargo generate-lockfile

      # https://twitter.com/jonhoo/status/1571290371124260865
      - name: "cargo test --locked"
        # NOTE: custom
        run: cargo test --locked --all-targets

  # 2.
  minimal:
    name: "ubuntu / stable / minimal-versions"
    runs-on: ubuntu-latest
    steps:
      - name: "checkout"
        uses: actions/checkout@v3
        with:
            submodules: true

      - name: "Install stable"
        uses: dtolnay/rust-toolchain@stable

      - name: "Install nightly for -Zminimal-versions"
        uses: dtolnay/rust-toolchain@nightly

      - name: "rustup default stable"
        run: rustup default stable

      - name: "cargo update -Zminimal-versions"
        run: cargo +nightly update -Zminimal-versions

      - name: "cargo test"
        # NOTE: custom
        run: cargo test --locked --all-targets

  # 3.
  os-check:
    name: "${{ matrix.os }} / stable"
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, windows-latest]
    steps:
      - name: "checkout"
        uses: actions/checkout@v3
        with:
            submodules: true

      - name: "Install stable"
        uses: dtolnay/rust-toolchain@stable

      - name: "cargo generate-lockfile"
        if: hashFiles('Cargo.lock') == ''
        run: cargo generate-lockfile

      - name: "cargo test"
        # NOTE: custom
        run: cargo test --locked --all-targets

  # 4.
  # coverage:
  #   runs-on: ubuntu-latest
  #   name: ubuntu / stable / coverage
  #   steps:
  #     - uses: actions/checkout@v3
  #       with:
  #         submodules: true
  #     - name: Install stable
  #       uses: dtolnay/rust-toolchain@stable
  #       with:
  #         components: llvm-tools-preview
  #     - name: cargo install cargo-llvm-cov
  #       uses: taiki-e/install-action@cargo-llvm-cov
  #     - name: cargo generate-lockfile
  #       if: hashFiles('Cargo.lock') == ''
  #       run: cargo generate-lockfile
  #     - name: cargo llvm-cov
  #       run: cargo llvm-cov --locked --lcov --output-path lcov.info
  #     - name: Upload to codecov.io
  #       uses: codecov/codecov-action@v3
  #       with:
  #         fail_ci_if_error: true