name: CI

on:
  push:
    branches: ["main"]
  pull_request:
  merge_group:
    types: [checks_requested]

env:
  CARGO_NET_GIT_FETCH_WITH_CLI: true

jobs:
  Test:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        rust: [1.63.0, 1.82.0, stable, beta, nightly]
        exclude:
          - os: macos-latest
            rust: 1.82.0
          - os: windows-latest
            rust: 1.82.0
          - os: macos-latest
            rust: beta
          - os: windows-latest
            rust: beta

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
          components: ${{ matrix.rust == 'nightly' && 'rust-src' || '' }}
      # Add toolchain for no_std tests
      - run: rustup toolchain install nightly
      - name: Downgrade deps on Rust 1.63.0
        if: |
          matrix.rust == '1.63.0'
        run: |
          cargo update -p idna_adapter --precise 1.1.0
          cargo update -p getopts --precise 0.2.22
          cargo update -p unicode-width --precise 0.1.12
      - name: Add `aarch64-unknown-none` toolchain for `no_std` tests
        if: |
          matrix.os == 'ubuntu-latest' &&
          matrix.rust == 'nightly'
        run: rustup target add aarch64-unknown-none && rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
      - run: cargo build --all-targets
        # Run tests
      - name: Run tests
        run: cargo test
        # Run tests enabling the serde feature
      - name: Run tests with the serde feature
        run: cargo test --features "url/serde,url/expose_internals"
      # The #[debugger_visualizer] attribute is currently gated behind a feature flag until #[debugger_visualizer]
      # is available in all rustc versions past our MSRV. As such, we only run the tests on newer rustc versions.
      - name: Run debugger_visualizer tests
        if: |
          matrix.os == 'windows-latest' &&
          matrix.rust != '1.63.0' &&
          matrix.rust != '1.82.0'
        run: cargo test --test debugger_visualizer --features "url/debugger_visualizer,url_debug_tests/debugger_visualizer" -- --test-threads=1 || echo "debugger test failed"
        continue-on-error: true # Fails on GH actions, but not locally.
      - name: Test `no_std` support
        run: cargo test --no-default-features --features=alloc
      - name: Build `url` crate for `aarch64-unknown-none` with `no_std`
        if: |
          matrix.os == 'ubuntu-latest' &&
          matrix.rust == 'nightly'
        run: >
          cd url
          && cargo check --target aarch64-unknown-none -v --no-default-features
      - name: Run tests with sanitizers
        if: (matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest') && matrix.rust == 'nightly'
        env:
          ASAN_OPTIONS: detect_leaks=1:detect_stack_use_after_return=1
        run: |
          if [ "${{ matrix.os }}" = "ubuntu-latest" ]; then
            sudo apt-get install -y --no-install-recommends llvm
            TARGET="x86_64-unknown-linux-gnu"
            SANITIZERS="address thread leak memory"
          elif [ "${{ matrix.os }}" = "macos-latest" ]; then
            TARGET="aarch64-apple-darwin"
            # no memory and leak sanitizer support yet
            SANITIZERS="address thread"
            # Suppress non-crate leaks on macOS. TODO: Check occasionally if these are still needed.
            {
              echo "leak:dyld4::RuntimeState"
              echo "leak:fetchInitializingClassList"
              echo "leak:std::sys::pal::unix::stack_overflow::imp::init"
              echo "leak:dyld::ThreadLocalVariables::instantiateVariable"
              echo "leak:_tlv_get_addr"
            } > suppressions.txt
            export LSAN_OPTIONS="suppressions=$(pwd)/suppressions.txt"
          fi
          for sanitizer in $SANITIZERS; do
            echo "Running tests with $sanitizer sanitizer..."
            export RUSTFLAGS="-Z sanitizer=$sanitizer"
            export RUSTDOCFLAGS="$RUSTFLAGS"
            cargo +nightly test -Z build-std --target "$TARGET" --lib --tests
          done

  WASM:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown
      - name: Install wasm-pack
        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
      - run: cargo build --target wasm32-unknown-unknown
      - run: cd url && wasm-pack test --headless --chrome
      - run: cd url && wasm-pack test --headless --firefox

  Lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy
      - run: cargo fmt --all --check
      - run: cargo clippy --workspace --all-targets -- -D warnings
        if: always()

  Audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: EmbarkStudios/cargo-deny-action@v1
      
  Result:
    name: Result
    runs-on: ubuntu-latest
    needs:
      - "Test"
      - "WASM"
      - "Lint"
      - "Audit"
    steps:
      - name: Mark the job as successful
        run: exit 0
        if: success()
      - name: Mark the job as unsuccessful
        run: exit 1
        if: "!success()"