name: CI

on: [push, pull_request]

env:
  CARGO_TERM_COLOR: always

jobs:
  ci:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - stable
          - beta
          - nightly
          - 1.50.0 # MSRV
    steps:
      - uses: actions/checkout@v2

      - name: Toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          override: true
          components: rustfmt, clippy

      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build

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

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

      - uses: isbang/compose-action@v0.1

      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: -- --test-threads=1