Tests workflow (bootstrap-vue/bootstrap-vue)

The Tests workflow from bootstrap-vue/bootstrap-vue, explained and optimized by Latchkey.

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Source: bootstrap-vue/bootstrap-vue.github/workflows/test.ymlLicense MITView source

What it does

This is the Tests workflow from the bootstrap-vue/bootstrap-vue 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: Tests

on:
  push:
    branches:
      - dev
      - master
  pull_request:
    branches:
      - dev
      - master

permissions:
  contents: read

jobs:
  lint:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [20]

    steps:
      - name: Clone repository
        uses: actions/checkout@v4

      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node }}

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-

      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive

      - name: Lint
        run: yarn run test:lint

  audit:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [20]

    steps:
      - name: Clone repository
        uses: actions/checkout@v4

      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node }}

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-

      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive

      - name: Audit
        run: yarn run audit

  test-unit:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [18, 20, 22]

    steps:
      - name: Clone repository
        uses: actions/checkout@v4

      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node }}

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-

      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive

      - name: Test unit
        run: yarn run test:unit --coverage --maxWorkers=2

      - name: Test unit (Vue 3)
        run: yarn run test:unit --coverage --maxWorkers=2
        env:
          USE_VUE3: '1'

      - name: Merge coverage
        run:
          npx istanbul-merge --out ./coverage-final.json coverage/coverage-final.json
          coverage-vue3/coverage-final.json

      - name: CodeCov
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unittests
          files: ./coverage-final.json

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: Tests
 
on:
  push:
    branches:
      - dev
      - master
  pull_request:
    branches:
      - dev
      - master
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  lint:
    timeout-minutes: 30
    runs-on: ${{ matrix.os }}
 
    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [20]
 
    steps:
      - name: Clone repository
        uses: actions/checkout@v4
 
      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          cache: 'npm'
          node-version: ${{ matrix.node }}
 
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
 
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-
 
      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive
 
      - name: Lint
        run: yarn run test:lint
 
  audit:
    timeout-minutes: 30
    runs-on: ${{ matrix.os }}
 
    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [20]
 
    steps:
      - name: Clone repository
        uses: actions/checkout@v4
 
      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          cache: 'npm'
          node-version: ${{ matrix.node }}
 
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
 
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-
 
      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive
 
      - name: Audit
        run: yarn run audit
 
  test-unit:
    timeout-minutes: 30
    runs-on: ${{ matrix.os }}
 
    strategy:
      matrix:
        os: [ubuntu-latest]
        node: [18, 20, 22]
 
    steps:
      - name: Clone repository
        uses: actions/checkout@v4
 
      - name: Set Node.js version
        uses: actions/setup-node@v3
        with:
          cache: 'npm'
          node-version: ${{ matrix.node }}
 
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
 
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ matrix.os }}-node-v${{ matrix.node }}-yarn-
            ${{ matrix.os }}-node-v${{ matrix.node }}-
            ${{ matrix.os }}-
 
      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile --non-interactive
 
      - name: Test unit
        run: yarn run test:unit --coverage --maxWorkers=2
 
      - name: Test unit (Vue 3)
        run: yarn run test:unit --coverage --maxWorkers=2
        env:
          USE_VUE3: '1'
 
      - name: Merge coverage
        run:
          npx istanbul-merge --out ./coverage-final.json coverage/coverage-final.json
          coverage-vue3/coverage-final.json
 
      - name: CodeCov
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unittests
          files: ./coverage-final.json

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.

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 3 jobs (5 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-node actions/cache codecov/codecov-action