Does this skill support pytest?

Absolutely, it includes comprehensive guidance for setting up pytest fixtures, async test environments, and coverage tools specifically for Temporal Python projects.

Can I mock activities using this skill?

Yes, the skill provides specific strategies and code patterns for mocking activities to isolate and test workflow logic without calling external dependencies.

What is time-skipping in Temporal testing?

Time-skipping allows the test environment to automatically skip periods of inactivity, such as timers or sleep commands, enabling tests for months-long workflows to complete in seconds.

Why is replay testing important for Temporal?

Replay testing ensures that changes to your workflow code do not break determinism, which is critical for successfully resuming existing workflow executions from history.

Temporal Python Testing

Name: Temporal Python Testing
Author: HermeticOrmus

byHermeticOrmus

0•

Security & Testing

Implements comprehensive testing strategies for Temporal workflows using pytest, time-skipping, and replay validation.

This skill provides a structured framework for testing Temporal workflows in Python, covering the entire testing pyramid from unit to integration and replay testing. It enables developers to validate workflow logic with time-skipping—turning months of execution into seconds—mock external activity dependencies, and ensure determinism via history replays to prevent production failures. By providing specific guidance for pytest configurations and local development setups, it helps maintain high reliability and achieve standard coverage targets for complex distributed systems.

Key Features

01Automated test setup with pytest fixtures and Docker configuration

02Activity mocking strategies to isolate workflow logic

030 GitHub stars

04Time-skipping for fast execution of long-running workflows

05Replay testing to validate determinism against production histories

06Comprehensive guidance for unit, integration, and E2E testing levels

Use Cases

01Setting up local Temporal development environments with integrated CI/CD pipelines

02Testing long-running business processes with manual time advancement

03Validating workflow determinism before deploying code changes to production

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/after-the-third-cup temporal-python-testing

For use in Claude.ai and ChatGPT

Download Skill