simdna 1.0.2

High-performance SIMD-accelerated DNA sequence encoding supporting all IUPAC nucleotide codes
Documentation 
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name: Fuzz Testing

on:
    push:
        branches: [main, dev]
    pull_request:
        branches: [main]
    schedule:
        # Run nightly at 2 AM UTC for extended fuzzing
        - cron: "0 2 * * *"
    workflow_dispatch:
        inputs:
            fuzz_duration:
                description: "Fuzzing duration in seconds per target"
                required: false
                default: "120"

env:
    CARGO_TERM_COLOR: always

jobs:
    fuzz:
        name: Fuzz Testing
        runs-on: ubuntu-latest
        strategy:
            fail-fast: false
            matrix:
                target:
                    - roundtrip
                    - simd_scalar_equivalence
                    - valid_iupac
                    - decode_robust
                    - boundaries
                    - bit_rotation
                    - reverse_complement

        steps:
            - uses: actions/checkout@v4

            - name: Install Rust nightly
              uses: actions-rs/toolchain@v1
              with:
                  toolchain: nightly
                  components: llvm-tools-preview
                  override: true

            - name: Install cargo-fuzz
              run: cargo install cargo-fuzz

            - name: Cache fuzz corpus
              uses: actions/cache@v4
              with:
                  path: fuzz/corpus/${{ matrix.target }}
                  key: fuzz-corpus-${{ matrix.target }}-${{ github.sha }}
                  restore-keys: |
                      fuzz-corpus-${{ matrix.target }}-

            - name: Run fuzzer - ${{ matrix.target }}
              run: |
                  DURATION=${{ github.event.inputs.fuzz_duration || (github.event_name == 'schedule' && '600' || '60') }}
                  echo "Running fuzzer for $DURATION seconds..."
                  cargo +nightly fuzz run ${{ matrix.target }} -- \
                    -max_total_time=$DURATION \
                    -rss_limit_mb=4096

            - name: Upload crash artifacts
              if: failure()
              uses: actions/upload-artifact@v4
              with:
                  name: crash-${{ matrix.target }}
                  path: |
                      fuzz/artifacts/${{ matrix.target }}/*
                  if-no-files-found: ignore

            - name: Upload corpus
              if: always()
              uses: actions/upload-artifact@v4
              with:
                  name: corpus-${{ matrix.target }}
                  path: fuzz/corpus/${{ matrix.target }}
                  if-no-files-found: ignore