ci.yml

name: ci
on:
  workflow_dispatch:
  pull_request:
    paths-ignore: [README.md]
  push:
    branches: master
    paths-ignore: [README.md]

env:
  CARGO_INCREMENTAL: 0
  RUSTFLAGS: "-Dwarnings"

jobs:
  wasm-build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - 1.81.0 # MSRV
          - stable
        target:
          - wasm32-unknown-unknown
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          targets: ${{ matrix.target }}
      - run: cargo build --target ${{ matrix.target }} --no-default-features
      - run: cargo build --target ${{ matrix.target }}

  test-and-coverage:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          target: x86_64-unknown-linux-gnu
          override: true
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov
      - name: Generate code coverage
        run: cargo llvm-cov --workspace --all-features --lcov --output-path lcov.info
      - name: Upload coverage to Coveralls
        uses: coverallsapp/github-action@v2
        with:
          files: lcov.info
          fail_on_error: true

  # This is supposed to factor out possible bugs introduced by Rust compiler changes
  # and dependency changes, making the results more reproducible.
  stable-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
            rust: 1.81.0 # MSRV
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          target: ${{ matrix.target }}
          profile: minimal
          override: true
      - run: ${{ matrix.deps }}
      - run: cargo test --workspace --locked --all-features --target ${{ matrix.target }}

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.81.0 # MSRV
          components: clippy
          override: true
          profile: minimal
      - run: cargo clippy --all --all-features --tests --benches -- -D warnings

  # Mimics the setup of docs.rs, but fails on warnings
  build-docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
          profile: minimal
      - run: env RUSTDOCFLAGS='--cfg docsrs -D warnings' cargo doc --all-features

  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: rustfmt
          profile: minimal
          override: true
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  semver:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: rustfmt
          profile: minimal
          override: true
      - uses: obi1kenobi/cargo-semver-checks-action@v2
        with:
          package: manul
          feature-group: all-features