name: rust

on:
  push:
    branches: [main]
  pull_request:
    paths:
      - 'rust/**'

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always

jobs:
  build-rs:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v1
        with:
          working-directory: ./rust

      - name: Build
        run: cd rust && cargo build --verbose

  test-rs:
    runs-on: ubuntu-latest
    needs: [build-rs]

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v1
        with:
          working-directory: ./rust

      - name: Run tests
        run: cd rust && cargo test --verbose

  lint-rs:
    runs-on: ubuntu-latest
    needs: [build-rs]

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v1
        with:
          working-directory: ./rust
      - name: Rustfmt
        run: cd rust && cargo fmt -- --check
      - name: Clippy
        run: cd rust && cargo clippy -- -D warnings