name: tests

on: [push, pull_request]

jobs:
  cargo_tests:
    name: ${{ matrix.target.name }} ${{ matrix.channel }}
    runs-on: ${{ matrix.target.os }}
    strategy:
      fail-fast: false
      matrix:
        target: [
          { "os": "ubuntu-latest",  "toolchain": "x86_64-unknown-linux-gnu", "name": "Linux GNU" },
          { "os": "macOS-latest",   "toolchain": "x86_64-apple-darwin",      "name": "macOS" },
          { "os": "windows-latest", "toolchain": "x86_64-pc-windows-msvc",   "name": "Windows MSVC" },
          { "os": "windows-latest", "toolchain": "x86_64-pc-windows-gnu",    "name": "Windows GNU" }
        ]
        channel: [stable, beta, nightly]

    steps:
    - uses: actions/checkout@v1
    - uses: actions-rs/toolchain@v1
      with:
        toolchain: ${{ format('{0}-{1}', matrix.channel, matrix.target.toolchain) }}
        profile: minimal
        override: true
    # Default tests plus Rayon.
    - run: cargo test --features=rayon
    # no_std tests.
    - run: cargo test --no-default-features
    # Test the x86 assembly implementations. Use -vv to log compiler commands.
    - run: cargo test --features=c -vv
    # Test the C intrinsics implementations. Use -vv to log compiler commands.
    - run: cargo test --features=c,c_prefer_intrinsics -vv
    # Test release mode. This does more iteratations in test_fuzz_hasher.
    - run: cargo test --release
    # Test benchmarks. RUSTC_BOOTSTRAP=1 lets this run on non-nightly toolchains.
    - run: cargo test --benches --features=c
      env:
        RUSTC_BOOTSTRAP: 1
    # Test vectors.
    - name: test vectors
      run: cargo test
      working-directory: ./test_vectors
    - name: test vectors C assembly
      run: cargo test --features=c
      working-directory: ./test_vectors
    - name: test vectors C intrinsics
      run: cargo test --features=c,c_prefer_intrinsics
      working-directory: ./test_vectors
    # Test b3sum.
    - name: test b3sum
      run: cargo test
      working-directory: ./b3sum
    - name: test b3sum --no-default-features
      run: cargo test --no-default-features
      working-directory: ./b3sum
    # Test C code.
    - name: cargo test C bindings assembly
      run: cargo test
      working-directory: ./c/blake3_c_rust_bindings
    - name: cargo test C bindings intrinsics
      run: cargo test --features=prefer_intrinsics
      working-directory: ./c/blake3_c_rust_bindings
    # Reference impl doc test.
    - name: reference impl doc test
      run: cargo test
      working-directory: ./reference_impl

  cross_tests:
    name: cross ${{ matrix.arch }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        arch:
          - i686-unknown-linux-musl
          - armv7-unknown-linux-gnueabihf
          - aarch64-unknown-linux-gnu
          - mips-unknown-linux-gnu

    steps:
    - uses: actions/checkout@v1
    - uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
    - run: cargo install cross
    # Test the portable implementation on everything.
    - run: cross test --target ${{ matrix.arch }}
    # Test the NEON implementation on ARM targets.
    - run: cross test --target ${{ matrix.arch }} --features=c_neon
      if: startsWith(matrix.arch, 'armv7-') || startsWith(matrix.arch, 'aarch64-')
    # Test vectors. Note that this uses a hacky script due to path dependency limitations.
    - run: ./test_vectors/cross_test.sh --target ${{ matrix.arch }}

  # Currently only on x86.
  c_tests:
    name: C Makefile tests
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - run: make test
      working-directory: ./c
    - run: make clean && rm blake3_sse41.c
      working-directory: ./c
    - run: BLAKE3_NO_SSE41=1 make test
      working-directory: ./c
    - run: make clean && rm blake3_avx2.c
      working-directory: ./c
    - run: BLAKE3_NO_SSE41=1 BLAKE3_NO_AVX2=1 make test
      working-directory: ./c
    - run: make clean && rm blake3_avx512.c
      working-directory: ./c
    - run: BLAKE3_NO_SSE41=1 BLAKE3_NO_AVX2=1 BLAKE3_NO_AVX512=1 make test
      working-directory: ./c