Tests workflow (BeanieODM/beanie)

The Tests workflow from BeanieODM/beanie, explained and optimized by Latchkey.

What it does

This is the Tests workflow from the BeanieODM/beanie repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

name: Tests
on:
  pull_request:

jobs:
  run-tests:
    strategy:
      fail-fast: false
      matrix:
        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
        # 5.0: kept for AWS DocumentDB / Azure DocumentDB compatibility
        # 7.0, 8.0: current supported MongoDB releases
        mongodb-version: [ "5.0", "7.0", "8.0" ]
        pydantic-version: [ "2.11", "2.12" ]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip
          cache-dependency-path: pyproject.toml
      - name: Start MongoDB
        uses: supercharge/mongodb-github-action@1.12.1
        with:
          mongodb-version: ${{ matrix.mongodb-version }}
          mongodb-replica-set: test-rs
      - name: install dependencies
        run: pip install .[test]
      - name: install pydantic
        run: pip install pydantic==${{ matrix.pydantic-version }}
      - name: run tests
        env:
          PYTHON_JIT: 1
        run: pytest -v

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: Tests
on:
  pull_request:
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  run-tests:
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix:
        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
        # 5.0: kept for AWS DocumentDB / Azure DocumentDB compatibility
        # 7.0, 8.0: current supported MongoDB releases
        mongodb-version: [ "5.0", "7.0", "8.0" ]
        pydantic-version: [ "2.11", "2.12" ]
    runs-on: latchkey-small
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip
          cache-dependency-path: pyproject.toml
      - name: Start MongoDB
        uses: supercharge/mongodb-github-action@1.12.1
        with:
          mongodb-version: ${{ matrix.mongodb-version }}
          mongodb-replica-set: test-rs
      - name: install dependencies
        run: pip install .[test]
      - name: install pydantic
        run: pip install pydantic==${{ matrix.pydantic-version }}
      - name: run tests
        env:
          PYTHON_JIT: 1
        run: pytest -v
 

What changed

• Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
• Cancel superseded runs when a branch or PR gets a newer push.
• Add a job timeout so a hung step cannot burn hours of runner time.

1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

• Dependency installs

This workflow runs 1 job (24 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow