# spell-checker:ignore wasip wasmtime
name: WASI

# spell-checker:ignore TRIGGERPATH
on:
  pull_request:
  push:
    branches:
      - main

permissions:
  contents: read

# End the current execution if there is a new changeset in the PR.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  test_wasi:
    name: Tests
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v7.0.0
      with:
        persist-credentials: false
    - uses: dtolnay/rust-toolchain@stable
      with:
        targets: wasm32-wasip1
    - uses: Swatinem/rust-cache@v2
    - name: Install wasmtime
      run: |
        curl https://wasmtime.dev/install.sh -sSf | bash
        echo "$HOME/.wasmtime/bin" >> $GITHUB_PATH
    - name: Run unit tests
      env:
        CARGO_TARGET_WASM32_WASIP1_RUNNER: wasmtime
      run: |
        # Get all utilities and exclude ones that don't compile for wasm32-wasip1
        EXCLUDE="df|du|env|expr|more|tac|test"
        UTILS=$(./util/show-utils.sh | tr ' ' '\n' | grep -vE "^($EXCLUDE)$" | sed 's/^/-p uu_/' | tr '\n' ' ')
        cargo test --target wasm32-wasip1 --no-default-features $UTILS
    - name: Run integration tests via wasmtime
      env:
        RUSTFLAGS: --cfg wasi_runner
      run: |
        # Build the WASI binary
        cargo build --target wasm32-wasip1 --no-default-features --features feat_wasm
        # Run host-compiled integration tests against the WASI binary.
        # Tests incompatible with WASI are annotated with
        # #[cfg_attr(wasi_runner, ignore)] in the test source files.
        # TODO: add integration tests for these tools as WASI support is extended:
        #   arch b2sum cat cksum cp csplit date dir dircolors fmt join
        #   ls md5sum mkdir mv nproc pathchk pr printenv ptx pwd readlink
        #   realpath rm rmdir seq sha1sum sha224sum sha256sum sha384sum
        #   sha512sum shred sleep sort split tail touch tsort uname uniq
        #   vdir yes
        UUTESTS_BINARY_PATH="$(pwd)/target/wasm32-wasip1/debug/coreutils.wasm" \
        UUTESTS_WASM_RUNNER=wasmtime \
        cargo test --test tests -- \
          test_base32:: test_base64:: test_basenc:: test_basename:: \
          test_comm:: test_cut:: test_dirname:: test_echo:: \
          test_expand:: test_factor:: test_false:: test_fold:: \
          test_head:: test_link:: test_ln:: test_nl:: test_numfmt:: \
          test_od:: test_paste:: test_printf:: test_shuf:: test_sum:: \
          test_tee:: test_tr:: test_true:: test_truncate:: \
          test_unexpand:: test_unlink:: test_wc::