Test workflow (beancount/fava)

The Test workflow from beancount/fava, explained and optimized by Latchkey.

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Source: beancount/fava.github/workflows/test.ymlLicense MITView source

What it does

This is the Test workflow from the beancount/fava repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

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

The workflow

workflow (.yml)

name: Test

on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

permissions:
  contents: read

jobs:
  test-py:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest"]
        py: ["3.13", "3.10"]
        make_target: ["test-py", "test-py-old-deps"]
        include:
          - os: "macos-latest"
            make_target: "test-py"
            py: "3.13"
          - os: "windows-latest"
            make_target: "test-py"
            py: "3.13"
          - os: "ubuntu-latest"
            make_target: "test-py"
            py: "3.14"
          - os: "ubuntu-latest"
            make_target: "test-py-typeguard"
            py: "3.14"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: ${{ matrix.py }}
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make ${{ matrix.make_target }}
  test-js:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        node: ["lts/*"]
        include:
          - os: "ubuntu-latest"
            node: "current"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: ${{ matrix.node }}
          package-manager-cache: false
      - run: make frontend/node_modules
      - run: cd frontend && npm run build
      - run: cd frontend && npm test
  deno-js:
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: denoland/setup-deno@22d081ff2d3a40755e97629de92e3bcbfa7cf2ed # v2.0.5
        with:
          deno-version: "v2.8.x"
      - run: cd frontend && deno install
      - run: cd frontend && deno lint
      - run: cd frontend && deno run build
  lint-js:
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: "lts/*"
          package-manager-cache: false
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: make frontend/node_modules
      - run: uv run --no-dev --group pre-commit pre-commit run -a eslint
      - run: uv run --no-dev --group pre-commit pre-commit run -a stylelint
      - run: cd frontend; npx tsc
      - run: cd frontend; npx svelte-check
  lint-python-mypy:
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make mypy
  lint-python-ty:
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make ty

The same workflow, on Latchkey

Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.

name: Test
 
on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  test-py:
    timeout-minutes: 30
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest"]
        py: ["3.13", "3.10"]
        make_target: ["test-py", "test-py-old-deps"]
        include:
          - os: "macos-latest"
            make_target: "test-py"
            py: "3.13"
          - os: "windows-latest"
            make_target: "test-py"
            py: "3.13"
          - os: "ubuntu-latest"
            make_target: "test-py"
            py: "3.14"
          - os: "ubuntu-latest"
            make_target: "test-py-typeguard"
            py: "3.14"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: ${{ matrix.py }}
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make ${{ matrix.make_target }}
  test-js:
    timeout-minutes: 30
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        node: ["lts/*"]
        include:
          - os: "ubuntu-latest"
            node: "current"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          cache: 'npm'
          node-version: ${{ matrix.node }}
          package-manager-cache: false
      - run: make frontend/node_modules
      - run: cd frontend && npm run build
      - run: cd frontend && npm test
  deno-js:
    timeout-minutes: 30
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: denoland/setup-deno@22d081ff2d3a40755e97629de92e3bcbfa7cf2ed # v2.0.5
        with:
          deno-version: "v2.8.x"
      - run: cd frontend && deno install
      - run: cd frontend && deno lint
      - run: cd frontend && deno run build
  lint-js:
    timeout-minutes: 30
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          cache: 'npm'
          node-version: "lts/*"
          package-manager-cache: false
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: make frontend/node_modules
      - run: uv run --no-dev --group pre-commit pre-commit run -a eslint
      - run: uv run --no-dev --group pre-commit pre-commit run -a stylelint
      - run: cd frontend; npx tsc
      - run: cd frontend; npx svelte-check
  lint-python-mypy:
    timeout-minutes: 30
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make mypy
  lint-python-ty:
    timeout-minutes: 30
    runs-on: "ubuntu-latest"
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"
      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        with:
          enable-cache: false
      - run: touch src/fava/static/app.js
      - run: make ty

What changed

Cancel superseded runs when a branch or PR gets a newer push.
Cache dependency installs on the setup step so they are served from cache.
Add a job timeout so a hung step cannot burn hours of runner time.

This workflow runs 6 jobs (11 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

actions/checkout actions/setup-python astral-sh/setup-uv actions/setup-node