name: CI

env:
  CARGO_TERM_COLOR: always
  MSRV: '1.75'

on:
  push:
    branches:
    - main
  pull_request: {}

jobs:
  check:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: taiki-e/install-action@protoc
    - uses: dtolnay/rust-toolchain@beta
      with:
        components: clippy, rustfmt
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Check
      run: cargo clippy --workspace --all-targets --all-features -- -D warnings
    - name: rustfmt
      run: cargo fmt --all --check

  check-docs:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: cargo doc
      env:
        RUSTDOCFLAGS: "-D rustdoc::all -A rustdoc::private-doc-tests"
      run: cargo doc --all-features --no-deps

  cargo-hack:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: taiki-e/install-action@protoc
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Install cargo-hack
      run: |
        curl -LsSf https://github.com/taiki-e/cargo-hack/releases/latest/download/cargo-hack-x86_64-unknown-linux-gnu.tar.gz | tar xzf - -C ~/.cargo/bin
    - name: cargo hack check
      run: cargo hack check --each-feature --no-dev-deps --all

  cargo-public-api-crates:
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        crate: [axum, axum-core, axum-extra, axum-macros]
    steps:
    - uses: actions/checkout@v4
    # Pinned version due to failing `cargo-public-api-crates`.
    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: nightly-2024-06-06
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Install cargo-public-api-crates
      run: |
        cargo install --git https://github.com/davidpdrsn/cargo-public-api-crates
    - name: Build rustdoc
      run: |
        cargo rustdoc --all-features --manifest-path ${{ matrix.crate }}/Cargo.toml -- -Z unstable-options --output-format json
    - name: cargo public-api-crates check
      run: cargo public-api-crates --manifest-path ${{ matrix.crate }}/Cargo.toml --skip-build check

  test-versions:
    needs: check
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        rust: [stable, beta]
    steps:
    - uses: actions/checkout@v4
    - uses: taiki-e/install-action@protoc
    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ matrix.rust }}
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Run tests
      run: cargo test --workspace --all-features --all-targets

  # some examples don't support our MSRV so we only test axum itself on our MSRV
  test-nightly:
    needs: check
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - name: Get rust-toolchain version
      id: rust-toolchain
      run: echo "version=$(cat axum-macros/rust-toolchain)" >> $GITHUB_OUTPUT
    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ steps.rust-toolchain.outputs.version }}
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Run nightly tests
      working-directory: axum-macros
      run: cargo test

  # some examples don't support our MSRV (such as async-graphql)
  # so we only test axum itself on our MSRV
  test-msrv:
    needs: check
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ env.MSRV }}
    - name: "install Rust nightly"
      uses: dtolnay/rust-toolchain@nightly
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Select minimal version
      run: cargo +nightly update -Z minimal-versions
    - name: Fix up Cargo.lock
      run: cargo +nightly update -p crc32fast --precise 1.1.1
    - name: Run tests
      run: >
        cargo +${{ env.MSRV }}
        test
        -p axum
        -p axum-extra
        -p axum-core
        --all-features
        --locked
    # the compiler errors are different on our MSRV which makes
    # the trybuild tests in axum-macros fail, so just run the doc
    # tests
    - name: Run axum-macros doc tests
      run: >
        cargo +${{ env.MSRV }}
        test
        -p axum-macros
        --doc
        --all-features
        --locked

  test-docs:
    needs: check
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Run doc tests
      run: cargo test --all-features --doc

  deny-check:
    name: cargo-deny check
    runs-on: ubuntu-24.04
    continue-on-error: ${{ matrix.checks == 'advisories' }}
    strategy:
      matrix:
        checks:
          - advisories
          - bans licenses sources
    steps:
      - uses: actions/checkout@v4
      - uses: EmbarkStudios/cargo-deny-action@v1
        with:
          command: check ${{ matrix.checks }}
          manifest-path: axum/Cargo.toml

  armv5te-unknown-linux-musleabi:
    needs: check
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
      with:
        target: armv5te-unknown-linux-musleabi
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Check
      env:
        # Clang has native cross-compilation support
        CC: clang
      run: >
        cargo
        check
        --all-targets
        --all-features
        -p axum
        -p axum-core
        -p axum-extra
        -p axum-macros
        --target armv5te-unknown-linux-musleabi

  wasm32-unknown-unknown:
    needs: check
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
      with:
        target: wasm32-unknown-unknown
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Check
      run: >
        cargo
        check
        --manifest-path ./examples/simple-router-wasm/Cargo.toml
        --target wasm32-unknown-unknown

  dependencies-are-sorted:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@beta
    - uses: Swatinem/rust-cache@v2
      with:
        save-if: ${{ github.ref == 'refs/heads/main' }}
        prefix-key: "v0-rust-ubuntu-24.04"
    - name: Install cargo-sort
      run: |
        cargo install cargo-sort
    # Work around cargo-sort not honoring workspace.exclude
    - name: Remove non-crate folder
      run: rm -rf examples/async-graphql
    - name: Check dependency tables
      run: |
        cargo sort --workspace --grouped --check

  typos:
    name: Spell Check with Typos
    runs-on: ubuntu-24.04
    if: github.event_name == 'push' || !github.event.pull_request.draft

    steps:
      - name: Checkout Actions Repository
        uses: actions/checkout@v4

      - name: Check the spelling of the files in our repo
        uses: crate-ci/typos@v1.20.8