name: Rust

on:
  # NB: this differs from the book's project!
  # These settings allow us to run this specific CI pipeline for PRs against
  # this specific branch (a.k.a. book chapter).
  push:
    branches:
      - root-chapter-03-part0
  pull_request:
    types: [ opened, synchronize, reopened ]
    branches:
      - root-chapter-03-part0

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Run tests
        run: cargo test

  fmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - name: Enforce formatting
        run: cargo fmt --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - uses: Swatinem/rust-cache@v2
      - name: Linting
        run: cargo clippy -- -D warnings

  coverage:
    name: Code coverage
    runs-on: ubuntu-latest
    container:
      image: xd009642/tarpaulin
      options: --security-opt seccomp=unconfined
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Generate code coverage
        run: |
          cargo tarpaulin --verbose --workspace