ci.yml

name: CI

permissions:
  contents: read

on:
  pull_request:
  push:
    branches:
      - master
  schedule:
    - cron: '0 2 * * 0'

env:
  CARGO_INCREMENTAL: 0
  CARGO_NET_GIT_FETCH_WITH_CLI: true
  CARGO_NET_RETRY: 10
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1
  RUSTFLAGS: -D warnings
  RUSTDOCFLAGS: -D warnings
  RUSTUP_MAX_RETRIES: 10

defaults:
  run:
    shell: bash

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [nightly, beta, stable]
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      - run: rustup target add thumbv7m-none-eabi
      - name: Install wasm-pack
        uses: taiki-e/install-action@wasm-pack
        if: startsWith(matrix.os, 'ubuntu')
      - name: Run cargo check
        run: cargo check --all --all-features --all-targets
        if: startsWith(matrix.rust, 'nightly')
      - name: Run cargo check (without dev-dependencies to catch missing feature flags)
        if: startsWith(matrix.rust, 'nightly')
        run: cargo check -Z features=dev_dep
      - run: cargo test
      - name: Build with no default features
        # Use no-std target to ensure we don't link to std.
        run: cargo build --no-default-features --target thumbv7m-none-eabi
      - name: Build with no default features and alloc
        # Use no-std target to ensure we don't link to std.
        run: cargo build --no-default-features --features alloc --target thumbv7m-none-eabi
      - name: Test wasm
        run: wasm-pack test --headless --chrome
        if: startsWith(matrix.os, 'ubuntu')
      - run: cargo bench
        if: startsWith(matrix.rust, 'nightly')

  wasi:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: wasm32-wasi
      - run: cargo test --target wasm32-wasi

  msrv:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # When updating this, the reminder to update the minimum supported
        # Rust version in Cargo.toml.
        rust: ['1.36']
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
      - run: cargo build

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - run: cargo clippy --all-features --tests --examples

  fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        run: rustup update stable
      - run: cargo fmt --all --check

  security_audit:
    permissions:
      checks: write
      contents: read
      issues: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      # rustsec/audit-check used to do this automatically
      - name: Generate Cargo.lock
        run: cargo generate-lockfile
      # https://github.com/rustsec/audit-check/issues/2
      - uses: rustsec/audit-check@v2.0.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}