Pytest unit/integration workflow (stravalib/stravalib)
The Pytest unit/integration workflow from stravalib/stravalib, explained and optimized by Latchkey.
CI health: D - needs work
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Grade your own workflow free or run it on Latchkey →What it does
This is the Pytest unit/integration workflow from the stravalib/stravalib 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: Pytest unit/integration
on:
pull_request:
push:
branches:
- main
# Use bash by default in all jobs
defaults:
run:
shell: bash
permissions: {}
jobs:
build-test:
name: Test Run (${{ matrix.python-version }}, ${{ matrix.os }})
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: ["ubuntu-latest", "macos-latest", "windows-latest"]
python-version: ["3.11", "3.12", "3.13", "3.14"]
steps:
- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
with:
# fetch more than the last single commit to help scm generate proper version
fetch-depth: 20
persist-credentials: false
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
with:
python-version: ${{ matrix.python-version }}
- name: Set Variables
id: set_variables
shell: bash
run: |
echo "PY=$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')" >> $GITHUB_OUTPUT
echo "PIP_CACHE=$(pip cache dir)" >> $GITHUB_OUTPUT
- name: Cache dependencies
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.set_variables.outputs.PIP_CACHE }}
key: ${{ runner.os }}-pip-${{ steps.set_variables.outputs.PY }}
- name: Install uv
uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
- name: Install dependencies
run: |
python -m pip install --upgrade pip
pip install nox
- name: List installed packages
run: pip list
# Need tags for setuptools_scm to provide a proper version
- name: Fetch git tags
run: git fetch origin 'refs/tags/*:refs/tags/*'
# For now i made a separate tests run so we can see each version
# build via github actions. There may be a better way to do this.
- name: Run tests with pytest & nox
run: |
nox -s tests-${{ matrix.python-version }}
- name: Upload coverage to Codecov
if: ${{ matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'}}
uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
with:
token: ${{ secrets.CODECOV_TOKEN }}
verbose: true
files: ./coverage.xml
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: Pytest unit/integration on: pull_request: push: branches: - main # Use bash by default in all jobs defaults: run: shell: bash permissions: {} concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: build-test: timeout-minutes: 30 name: Test Run (${{ matrix.python-version }}, ${{ matrix.os }}) runs-on: ${{ matrix.os }} strategy: fail-fast: false matrix: os: ["ubuntu-latest", "macos-latest", "windows-latest"] python-version: ["3.11", "3.12", "3.13", "3.14"] steps: - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2 with: # fetch more than the last single commit to help scm generate proper version fetch-depth: 20 persist-credentials: false - name: Set up Python ${{ matrix.python-version }} uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0 with: cache: 'pip' python-version: ${{ matrix.python-version }} - name: Set Variables id: set_variables shell: bash run: | echo "PY=$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')" >> $GITHUB_OUTPUT echo "PIP_CACHE=$(pip cache dir)" >> $GITHUB_OUTPUT - name: Cache dependencies uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5 with: path: ${{ steps.set_variables.outputs.PIP_CACHE }} key: ${{ runner.os }}-pip-${{ steps.set_variables.outputs.PY }} - name: Install uv uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0 - name: Install dependencies run: | python -m pip install --upgrade pip pip install nox - name: List installed packages run: pip list # Need tags for setuptools_scm to provide a proper version - name: Fetch git tags run: git fetch origin 'refs/tags/*:refs/tags/*' # For now i made a separate tests run so we can see each version # build via github actions. There may be a better way to do this. - name: Run tests with pytest & nox run: | nox -s tests-${{ matrix.python-version }} - name: Upload coverage to Codecov if: ${{ matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'}} uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0 with: token: ${{ secrets.CODECOV_TOKEN }} verbose: true files: ./coverage.xml
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.
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 (12 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.