test_rust.yaml

name: test-rust

on:
  workflow_call:

permissions:
  contents: read

jobs:
  find_rust_tests:
    runs-on: ubuntu-24.04
    outputs:
      RUST_TASKS: ${{ steps.lsgrep.outputs.RUST_TASKS }}
      # [{ "kind": "lib" | "test" | "bin", "name": "test_eventbus" }, ...]
      RUST_TEST_TASKS: ${{ steps.lsgrep.outputs.RUST_TEST_TASKS }}
      # [{ "kind": "test", "name": "test_eventbus" }, ...]
    steps:
      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
      - id: lsgrep
        run: |
          RUST_LIB_TASKS="$(jq -cn '[{kind: "lib", name: "lib"}]')"
          RUST_TEST_TASKS="$(
            find abxbus-rust/tests -maxdepth 1 -type f -name '*.rs' \
              | sort \
              | sed 's|^abxbus-rust/tests/||' \
              | sed 's|\.rs$||' \
              | jq -R -s -c 'split("\n")[:-1] | map({kind: "test", name: .})'
          )"
          RUST_BIN_TASKS="$(
            (
              if [[ -d abxbus-rust/src/bin ]]; then
                find abxbus-rust/src/bin -maxdepth 1 -type f -name '*.rs' | sort
              fi
            ) \
              | sed 's|^abxbus-rust/src/bin/||' \
              | sed 's|\.rs$||' \
              | jq -R -s -c 'split("\n")[:-1] | map({kind: "bin", name: .})'
          )"
          RUST_TASKS="$(jq -cn --argjson lib "$RUST_LIB_TASKS" --argjson tests "$RUST_TEST_TASKS" --argjson bins "$RUST_BIN_TASKS" '$lib + $tests + $bins')"

          echo "RUST_TEST_TASKS=${RUST_TEST_TASKS}" >> "$GITHUB_OUTPUT"
          echo "RUST_TASKS=${RUST_TASKS}" >> "$GITHUB_OUTPUT"
          echo "$RUST_TASKS"
      - name: Check that at least one test file is found
        run: |
          if [[ -z "${{ steps.lsgrep.outputs.RUST_TEST_TASKS }}" || "${{ steps.lsgrep.outputs.RUST_TEST_TASKS }}" == "[]" ]]; then
            echo "Failed to find any *.rs files in abxbus-rust/tests/ folder!" > /dev/stderr
            exit 1
          fi

  tests:
    needs:
      - find_rust_tests
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        task: ${{ fromJson(needs.find_rust_tests.outputs.RUST_TASKS || '[{"kind":"error","name":"FAILED_TO_DISCOVER_TASKS"}]') }}
        # autodiscovers files in abxbus-rust/tests/*.rs and abxbus-rust/src/bin/*.rs
        # - { kind: "lib", name: "lib" }
        # - { kind: "test", name: "test_eventbus" }
        # - { kind: "bin", name: "abxbus-rust-roundtrip" }
        # ... and more
    name: rust-${{ matrix.task.kind }}-${{ matrix.task.name }}
    timeout-minutes: 10
    defaults:
      run:
        working-directory: abxbus-rust
    steps:
      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4

      - name: Check that the previous step managed to find some tasks for us to run
        run: |
          if [[ "${{ matrix.task.kind }}" == "error" ]]; then
            echo "Failed get list of tasks from find_rust_tests job" > /dev/stderr
            exit 1
          fi

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@4cda84d5c5c54efe2404f9d843567869ab1699d4 # stable
        with:
          toolchain: 1.99.1

      - name: Cache Cargo
        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
        with:
          workspaces: abxbus-rust -> target

      - name: Set up Go for cross-runtime roundtrip tests
        if: matrix.task.kind == 'test' && matrix.task.name == 'test_cross_runtime_roundtrip'
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5
        with:
          go-version-file: abxbus-go/go.mod
          cache: true
          cache-dependency-path: abxbus-go/go.sum

      - name: Run Rust library tests
        if: matrix.task.kind == 'lib'
        run: cargo test --locked --all-features --lib -- --nocapture --test-threads=1

      - name: Run Rust integration test
        if: matrix.task.kind == 'test'
        run: cargo test --locked --all-features --test ${{ matrix.task.name }} -- --nocapture --test-threads=1

      - name: Run Rust binary tests
        if: matrix.task.kind == 'bin'
        run: cargo test --locked --all-features --bin ${{ matrix.task.name }} -- --nocapture --test-threads=1