pytest-fastapi-async

Test FastAPI services with pytest-asyncio and httpx.

3|Updated Jan 25, 2026
One-click install
npx skills add https://github.com/ai-enhanced-engineer/aiee-skills --skill pytest-fastapi-async
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pytest-fastapi-async
Source: https://github.com/ai-enhanced-engineer/aiee-skills/tree/main/skills/pytest-fastapi-async
Command: npx skills add https://github.com/ai-enhanced-engineer/aiee-skills --skill pytest-fastapi-async

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies the process of testing asynchronous FastAPI services, providing a streamlined approach to create and manage tests with pytest-asyncio and httpx.

Core Features & Use Cases

  • Async Testing: Facilitates the creation of asynchronous tests for FastAPI services.
  • Fixture Recipes: Offers pre-defined fixtures for common test scenarios like database connections and Redis.
  • Coverage Configuration: Includes guidelines for setting up coverage reports.
  • Use Case: Ideal for developers looking to write efficient tests for their FastAPI applications, ensuring that asynchronous routes and services behave as expected.

Quick Start

Install the skill and run your async tests with pytest.

Frequently Asked Questions about pytest-fastapi-async

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I test FastAPI async routes with pytest?

You can test FastAPI async routes using pytest-asyncio and httpx to handle asynchronous execution. This Skill provides pre-defined fixtures and in-process ASGI transport to validate asyncio routes.

What fixtures are available for testing FastAPI services with Redis and databases?

This Skill provides pre-defined fixture recipes for common test scenarios including database connections and fake Redis. These fixtures streamline the setup process for testing FastAPI services.

Does pytest-asyncio work with httpx for in-process ASGI transport testing?

Yes, pytest-asyncio works with httpx using in-process ASGI transport. This allows direct testing of FastAPI services without starting a separate server, streamlining the asyncio testing process.

What's the best way to set up coverage reports for FastAPI async tests?

The best way to set up coverage reports for FastAPI async tests is by following the included coverage configuration guidelines. This Skill provides recipes to generate reports alongside pytest-asyncio test runs.

Can I use fake Redis when testing FastAPI applications with asyncio?

Yes, you can use fake Redis when testing FastAPI applications with asyncio. This Skill includes fixture recipes that support fake Redis to isolate tests from real infrastructure.

Why do I need httpx for testing FastAPI services instead of other async clients?

You need httpx for testing FastAPI services because it supports in-process ASGI transport, enabling direct application communication. This avoids network overhead during asynchronous test execution.