permissions:
  contents: read

on:
  push:
    branches: [main]
  pull_request:
  merge_group:

name: test
jobs:
  required:
    runs-on: ubuntu-latest
    name: ubuntu / ${{ matrix.toolchain }}
    strategy:
      matrix:
        toolchain: [stable, beta]
    steps:
      - uses: actions/checkout@v4
        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
        run: cargo test --locked --all-features --all-targets
      # https://github.com/rust-lang/cargo/issues/6669
      - name: cargo test --doc
        run: cargo test --locked --all-features --doc
  # FIXME: enable again after memchr use in serde-json is fixed -> serde-json 
  # needs to correctly pin memchr
  # minimal:
  #   runs-on: ubuntu-latest
  #   name: ubuntu / stable / minimal-versions
  #   steps:
  #     - uses: actions/checkout@v4
  #       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
  #       run: cargo test --locked --all-features --all-targets

  os-check:
    runs-on: ${{ matrix.os }}
    name: ${{ matrix.os }} / stable
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, windows-latest]
    steps:
      - uses: actions/checkout@v4
        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
        run: cargo test --locked --all-features --all-targets

  coverage:
    runs-on: ubuntu-latest
    name: ubuntu / stable / coverage
    steps:
      - uses: actions/checkout@v4
        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 --all-features --lcov --output-path lcov.info
      - name: Upload to codecov.io
        uses: codecov/codecov-action@v3
        with:
          fail_ci_if_error: true
        env:
          CODECOV_TOKEN: ${{ secrets. CODECOV_TOKEN }}
