name: Continuous Integration

on: [push, pull_request]

jobs:
  build_test_format_lint:
    name: ${{matrix.command.name}} (${{matrix.toolchain}})
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        toolchain: [stable, beta, nightly, 1.42.0]
        command:
          - name: Check
            command: check
            args: --all-features
            components: ""
          - name: Test
            command: test
            args: --all-features
            components: ""
        include:
          - toolchain: nightly
            command:
              name: Format
              command: fmt
              args: --all -- --check
              components: rustfmt
          - toolchain: stable
            command:
              name: Lint
              command: clippy
              args: --all-features
              components: clippy

    steps:
      - uses: actions/checkout@v2
      - name: ⚡ Cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          override: true
          default: true
          components: ${{matrix.command.components}}

      - name: ${{matrix.command.name}}
        uses: actions-rs/cargo@v1
        with:
          command: ${{matrix.command.command}}
          args: ${{matrix.command.args}}

  coveralls_io:
    name: Coverage
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: ⚡ Cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true

      - name: Install cargo-tarpaulin
        uses: actions-rs/install@v0.1
        with:
          crate: cargo-tarpaulin
          version: latest
          use-tool-cache: true

      - name: Coverage Report with tarpaulin
        uses: actions-rs/cargo@v1
        with:
          command: tarpaulin
          args: --all --all-features --out Lcov -- --test-threads 1

      - name: Upload Coverage
        uses: coverallsapp/github-action@master
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          path-to-lcov: ./lcov.info