test.yml

name: ci

on:
  push:
    branches:
      - main
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  RUSTFLAGS: "-D warnings"
  CARGO_INCREMENTAL: 0
  CARGO_PROFILE_DEV_DEBUG: 0

defaults:
  run:
    shell: bash

jobs:
  test_matrix:
    name: test (${{ matrix.os }} / stable)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Generate go.sum # go.sum is required by caching on the next step
        run:  touch go.sum
      - name: Set up Go
        uses: actions/setup-go@v4 # v4 uses caching out of the box
        with:
          go-version: '1.20'
      - name: Install nats-server
        run: go install github.com/nats-io/nats-server/v2@main

      - name: Install stable Rust on ${{ matrix.os }}
        id:   install-rust
        uses: dtolnay/rust-toolchain@stable
      - name: Cache the build artifacts
        uses: Swatinem/rust-cache@v2 # caches dependencies only, not the whole ./target.
        with:
          shared-key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-${{ hashFiles('**/Cargo.toml') }}
          # Cache the dependencies if they are built successfully even when tests fail.
          cache-on-failure: true
      - name: Build all packages
        id:   build-packages
        run:  cargo build --all --all-targets

      - name: Setup deno for service tests
        if:   ${{ matrix.os }} != windows-latest
        uses: denoland/setup-deno@v1
        with:
          deno-version: v1.x
      - name: Run tests
        env:
          RUST_BACKTRACE: 1
        run: |
          nats-server --jetstream --port=4222 &
          cargo test --features=${{ matrix.features }} --features slow_tests -- --nocapture

  check_format:
    name: check format (ubuntu-latest / nightly)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3
      - name: Install nightly Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt
      - name: Run the check
        run: cargo fmt -- --check

  check_lint:
    name: check linter (ubuntu-latest / stable)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Install stable Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy # to reuse the cache
      - name: Restore cached build artifacts
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-${{ hashFiles('**/Cargo.toml') }}
          save-if: false # the linter only run checks but not builds, so we don't have the full build to be cached.

      - name: Run linter
        run: cargo clippy --benches --tests --examples --all-features -- --deny clippy::all
  
  check_docs:
    name: check docs (ubuntu-latest / stable)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Install stable Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@stable
      - name: Restore cached build artifacts
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-${{ hashFiles('**/Cargo.toml') }}
          save-if: false # we only build docs, so we don't have the full build to be cached.

      - name: Check lint
        run: cargo doc --no-deps

  check_licenses:
    name: check licenses (ubuntu-latest / stable)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3
      - name: Run cargo deny
        uses: EmbarkStudios/cargo-deny-action@v1
        with:
          command: check
          command-arguments: licenses

  check_msrv:
    name: check minimal supported rust version (ubuntu-latest / msrv)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Install msrv Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@1.67.0
      - name: Cache the build artifacts
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-${{ hashFiles('**/Cargo.toml') }}
          # The cache for the msrv won't contain a full packages' builds (we only run check).
          # We still cache these partial builds because they aren't reused by the other jobs.

      - name: Check all packages
        run: |
          set -eo pipefail
          cargo +${{ steps.install-rust.outputs.name }} check

  check_examples:
    name: check examples (ubuntu-latest / stable)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Install stable Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@stable
      - name: Restore cached build artifacts
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-${{ hashFiles('**/Cargo.toml') }}
          save-if: false # we are only checking examples, so we don't have the full build to be cached.

      - name: Run the check
        env:
          RUST_LOG: trace
        run: cargo check --examples

  check_spelling:
    name: check spelling (ubuntu-latest / nightly)
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3
      - name: Install llvm-config
        run: sudo apt-get install -y libclang-dev

      - name: Install nightly Rust on ubuntu-latest
        id:   install-rust
        uses: dtolnay/rust-toolchain@nightly
      - name: Cache cargo-spellcheck
        id:  cache-cargo-spellcheck
        uses: actions/cache@v3
        with:
          path: ~/.cargo/bin/cargo-spellcheck
          key: ${{ runner.os }}-${{ steps.install-rust.outputs.cachekey }}-cargo-spellcheck
      - name: Install cargo-spellcheck
        if: steps.cache-cargo-spellcheck.outputs.cache-hit != 'true'
        run: cargo install cargo-spellcheck

      - name: Check spelling
        run: cargo spellcheck --code 1