ci.yml

name: CI

on:  
  pull_request:
  push:
    branches: main
  schedule:
    - cron: "0 18 * * 1,4,6" # 1800 UTC every Monday, Thursday, Saturday

jobs:
  tests:
    name: Unit tests
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: [windows-latest, macos-latest, ubuntu-latest]
        rust_version: [stable]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      
      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust_version }}
          # components: llvm-tools-preview
          override: true

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v1

      # - name: Install cargo-llvm-cov
      #   uses: taiki-e/install-action@cargo-llvm-cov

      #  - name: Generate code coverage
      #   env:
      #     RUST_BACKTRACE: "1"
      #   run: cargo llvm-cov --all-features --lcov --output-path lcov.info

      # - name: Upload code coverage results
      #   uses: codecov/codecov-action@v3
      #   with:
      #     # token: ${{ secrets.CODECOV_TOKEN }}
      #     fail_ci_if_error: true
      #     verbose: true

      - name: Run unit tests
        run: cargo test --all-features --verbose 

  clippy_check:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      
      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      - name: Install clippy
        run: rustup component add clippy

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v1

      - name: Cargo clippy
        uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-features --all-targets -- -D warnings
        env:
          RUST_BACKTRACE: "1"

  cargo_fmt:
    name: Enforce Rust code format
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
          components: rustfmt

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

  cargo-deny:
    name: License / vulnerability audit
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        checks:
          - advisories
          - bans licenses sources

    # Prevent sudden announcement of a new advisory from failing CI:
    continue-on-error: ${{ matrix.checks == 'advisories' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Audit crate dependencies
        uses: EmbarkStudios/cargo-deny-action@v1
        with:
          command: check ${{ matrix.checks }}

  unused_deps:
    name: Check for unused dependencies
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      
      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true

      - name: Run cargo-udeps
        uses: aig787/cargo-udeps-action@v1
        with:
          version: latest
          args: --all-targets --all-features