name: CI checks

on: [push, pull_request]

jobs:
  
  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.45.2
          override: true

      # Build the code before running cargo fmt
      - name: cargo build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all

      # Ensure all code has been formatted with rustfmt
      - run: rustup component add rustfmt
      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check --color always

      # Build benchmarks to prevent bitrot
      - name: Build benchmarks
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all --benches

  build_and_test:
    name: Test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # We don't need to test across multiple platforms yet
        # os: [ubuntu-latest, windows-latest, macOS-latest]
        os: [ubuntu-latest]

    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.45.2
          override: true
      - name: Build tests
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --release --all --tests --all-features
      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --release --all