name: CI

on:
  pull_request:
    branches: [main]

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [windows-latest, macos-latest]
    steps:
      - name: Checkout
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Install Rust toolchain
        # dtolnay/rust-toolchain has no tagged releases; pinned to master @ 2026-06-20.
        # When pinned to a SHA the channel must be given explicitly via `toolchain`.
        uses: dtolnay/rust-toolchain@67ef31d5b988238dd797d409d6f9574278e20537
        with:
          toolchain: "1.96.0" # latest stable as of 2026-06-24
          components: rustfmt, clippy

      - name: Cache cargo build
        uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1

      - name: Format check
        run: cargo fmt --all -- --check

      - name: Clippy
        run: cargo clippy --workspace --all-targets --locked -- -D warnings

      - name: Run unit tests
        run: cargo test --workspace --locked