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

name: Continuous integration

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: 
          - stable
          - beta
          - nightly
    
        include:
          - rust: stable
            features: ""
          - rust: beta
            features: ""
          - rust: nightly
            features: "--all-features"

    steps:
      - uses: actions/checkout@v1
        
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          override: true
      
      - name: build 
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose ${{ matrix.features }}
      
      - name: test 
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose ${{ matrix.features }}

  clippy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: clippy

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

  style:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: rustfmt

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