tokio/.github/workflows/loom.yml at master · tokio-rs/tokio · GitHub

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on:
  push:
    branches: ["master", "tokio-*.x"]
  pull_request:
    types: [labeled, opened, synchronize, reopened]
    branches: ["master", "tokio-*.x"]

name: Loom

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

env:
  RUSTFLAGS: -Dwarnings --cfg loom --cfg tokio_unstable -C debug_assertions
  LOOM_MAX_PREEMPTIONS: 2
  LOOM_MAX_BRANCHES: 10000
  RUST_BACKTRACE: 1
  # Change to specific Rust release to pin
  rust_stable: stable

permissions:
  contents: read

jobs:
  loom-blocking:
    name: loom tokio::runtime::spawn_blocking
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-blocking') || (github.base_ref == null))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: run tests
        run: cargo test --lib --release --features full -- --nocapture loom_blocking
        working-directory: tokio

  loom-sync:
    name: loom tokio::sync
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-sync') || (github.base_ref == null))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: run tests
        run: cargo test --lib --release --features full -- --nocapture sync::tests
        working-directory: tokio

  loom-time-driver:
    name: loom time driver
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-time-driver') || (github.base_ref == null))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: run tests
        run: cargo test --lib --release --features full -- --nocapture runtime::time
        working-directory: tokio

  loom-current-thread:
    name: loom current-thread scheduler
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-current-thread') || (github.base_ref == null))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: run tests
        run: cargo test --lib --release --features full -- --nocapture loom_current_thread
        working-directory: tokio

  loom-multi-thread:
    name: loom multi-thread scheduler
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-multi-thread') || (github.base_ref == null))
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - scope: loom_multi_thread::group_a
          - scope: loom_multi_thread::group_b
          - scope: loom_multi_thread::group_c
          - scope: loom_multi_thread::group_d
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: loom ${{ matrix.scope }}
        run: cargo test --lib --release --features full -- --nocapture $SCOPE
        working-directory: tokio
        env:
          SCOPE: ${{ matrix.scope }}

  loom-util:
    name: loom tokio-util
    # base_ref is null when it's not a pull request
    if: github.repository_owner == 'tokio-rs' && (contains(github.event.pull_request.labels.*.name, 'R-loom-util') || (github.base_ref == null))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Install Rust ${{ env.rust_stable }}
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: ${{ env.rust_stable }}
      - uses: Swatinem/rust-cache@v2
      - name: run tests
        run: cargo test --lib --release --features full -- --nocapture
        working-directory: tokio-util