rust.yml

name: Rust

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  test:
    name: Test on ${{ matrix.os }} using Rust ${{ matrix.rust }} with features '${{ matrix.cargo_features }}'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [stable, nightly]
        cargo_features: ['', 'alloc', 'default']

    steps:
    - uses: hecrj/setup-rust-action@v2
      with:
        rust-version: ${{ matrix.rust }}
        targets: ${{ matrix.target }}
        components: 'rustfmt, clippy'

    - name: Install cargo tools
      uses: taiki-e/install-action@v2
      with:
        tool: cargo-hack,cargo-minimal-versions${{ matrix.os == 'ubuntu-latest' && ',cargo-fuzz' || '' }}
      if: matrix.rust == 'nightly' && matrix.cargo_features == 'default'

    - uses: actions/checkout@v4

    - name: Install LLVM
      if: matrix.os == 'windows-latest'
      run: choco upgrade llvm -y

    - name: Set clang path
      if: matrix.os =='windows-latest'
      run: echo "LIBCLANG_PATH=C:\Program Files\LLVM\bin" >> $GITHUB_ENV
      shell: bash

    - name: Cargo fmt
      run: cargo +${{ matrix.rust }} fmt --all -- --check
      if: matrix.os == 'ubuntu-latest' && matrix.rust == 'nightly'

    - name: Cargo clippy
      run: cargo +${{ matrix.rust }} clippy --all-targets --workspace --no-default-features --features "${{ matrix.cargo_features }}"
      if: matrix.os == 'ubuntu-latest' && matrix.rust == 'nightly' && matrix.cargo_features == 'default'

    - name: Test
      run: cargo +${{ matrix.rust }} test --no-default-features --features "${{ matrix.cargo_features }}" --all-targets

    - name: Minimal versions
      # cargo-minimal-versions won't detach the path deps if we're using dev dependencies
      # so we won't catch the case where we compile but fail tests because of path dependencies
      run: |
        cargo +${{ matrix.rust }} minimal-versions check --detach-path-deps --direct --workspace
        cargo +${{ matrix.rust }} minimal-versions test --direct --workspace
      if: matrix.rust == 'nightly' && matrix.cargo_features == 'default'
      
    - name: Updated versions
      run: cargo update && cargo +${{ matrix.rust }} test --no-default-features --features "${{ matrix.cargo_features }}"
      if: matrix.rust == 'stable' && matrix.cargo_features == 'default'

    - name: Short Fuzz
      run: |
        cargo +${{ matrix.rust }} install cargo-fuzz --locked
        cd fuzz || exit 1
        CFLAGS="-fsanitize=address -g -fno-omit-frame-pointer"
        targets=( $(cargo metadata --format-version 1 --no-deps | jq -r ".packages[].targets[].name") )
        target_triple=$(cargo --version --verbose | grep 'host:' | cut -d ' ' -f 2)
        for target in "${targets[@]}"; do
          # https://github.com/rust-fuzz/cargo-fuzz/issues/355
          cargo +${{ matrix.rust }} fuzz run "$target" --target "${target_triple}" -- -max_total_time=10
        done
      if: matrix.rust == 'nightly' && matrix.cargo_features == 'default' && matrix.os == 'ubuntu-latest'

    - name: Release Test
      run: |
        cargo +${{ matrix.rust }} test --no-default-features --features "${{ matrix.cargo_features }}" --release --all-targets
      if: matrix.rust == 'nightly' && matrix.cargo_features == 'default'