browsers-quick workflow (qunitjs/qunit)

The browsers-quick workflow from qunitjs/qunit, explained and optimized by Latchkey.

CI health: D - needs work

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Source: qunitjs/qunit.github/workflows/browsers-quick.yamlLicense MITView source

What it does

This is the browsers-quick workflow from the qunitjs/qunit 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: browsers-quick
on:
  - push

jobs:
  run:
    name: BrowserStack
    if: ${{ github.repository == 'qunitjs/qunit' }} # skip on forks, needs secret
    runs-on: ubuntu-latest
    env:
      PUPPETEER_CACHE_DIR: "${{ github.workspace }}/.puppeteer_download"
    steps:
      - uses: actions/checkout@v6

      - uses: actions/cache@v5
        with:
          path: |
            ~/.npm
            ${{ github.workspace }}/.puppeteer_download
          key: ${{ runner.os }}-${{ hashFiles('**/package.json') }}

      - name: Use Node.js 18
        uses: actions/setup-node@v6
        with:
          node-version: 18.x

      - name: Prepare
        run: |
          npm install
          npm run build

      # To debug locally:
      #
      # ```
      # $ export BROWSERSTACK_USERNAME="***"
      # $ export BROWSERSTACK_KEY="***"
      # $ BROWSERSTACK_JSON=build/browserstack-debug.json npm run browserstack
      # ```
      - name: Tests
        run: npm run browserstack
        env:
          BROWSERSTACK_JSON: build/browserstack-quick.json
          BROWSERSTACK_USERNAME: "${{ secrets.BROWSERSTACK_USERNAME }}"
          BROWSERSTACK_KEY: "${{ secrets.BROWSERSTACK_KEY }}"
          # Set "project" metadata
          TRAVIS_REPO_SLUG: "${{ github.repository }} ${{ github.event_name}}"
          # Set "commit" metadata
          TRAVIS_COMMIT: "quick ${{ github.ref }} ${{ github.sha }}"
          TUNNEL_ID: "${{ github.event_name }}-quick-${{ github.sha }}"

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: browsers-quick
on:
  - push
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  run:
    timeout-minutes: 30
    name: BrowserStack
    if: ${{ github.repository == 'qunitjs/qunit' }} # skip on forks, needs secret
    runs-on: latchkey-small
    env:
      PUPPETEER_CACHE_DIR: "${{ github.workspace }}/.puppeteer_download"
    steps:
      - uses: actions/checkout@v6
 
      - uses: actions/cache@v5
        with:
          path: |
            ~/.npm
            ${{ github.workspace }}/.puppeteer_download
          key: ${{ runner.os }}-${{ hashFiles('**/package.json') }}
 
      - name: Use Node.js 18
        uses: actions/setup-node@v6
        with:
          cache: 'npm'
          node-version: 18.x
 
      - name: Prepare
        run: |
          npm install
          npm run build
 
      # To debug locally:
      #
      # ```
      # $ export BROWSERSTACK_USERNAME="***"
      # $ export BROWSERSTACK_KEY="***"
      # $ BROWSERSTACK_JSON=build/browserstack-debug.json npm run browserstack
      # ```
      - name: Tests
        run: npm run browserstack
        env:
          BROWSERSTACK_JSON: build/browserstack-quick.json
          BROWSERSTACK_USERNAME: "${{ secrets.BROWSERSTACK_USERNAME }}"
          BROWSERSTACK_KEY: "${{ secrets.BROWSERSTACK_KEY }}"
          # Set "project" metadata
          TRAVIS_REPO_SLUG: "${{ github.repository }} ${{ github.event_name}}"
          # Set "commit" metadata
          TRAVIS_COMMIT: "quick ${{ github.ref }} ${{ github.sha }}"
          TUNNEL_ID: "${{ github.event_name }}-quick-${{ github.sha }}"

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.
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.

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 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/cache actions/setup-node