Can I use this skill to mock external API calls?

Absolutely. It provides detailed implementation patterns for using unittest.mock and patch to simulate external services, status codes, and JSON responses.

Does it follow any specific testing structure?

The skill emphasizes the AAA (Arrange, Act, Assert) pattern to ensure tests are readable, maintainable, and standardized across the project.

Can this help me increase my code coverage?

Yes, by utilizing parameterized tests and monkeypatching, it helps you efficiently test multiple code paths and environment configurations with minimal boilerplate.

Does this skill support asynchronous Python code?

Yes, it includes specialized patterns for testing async functions and concurrent operations using pytest-asyncio and async fixtures.

Python Testing Patterns

Name: Python Testing Patterns
Author: carlopezzuto

bycarlopezzuto

0•

Security & Testing

Implements robust testing strategies using pytest, fixtures, and mocking to ensure high-quality Python codebases.

This skill equips Claude with specialized knowledge for architecting and implementing professional-grade Python test suites. It focuses on the industry-standard pytest framework, covering the full spectrum of testing needs from basic unit tests using the AAA (Arrange, Act, Assert) pattern to advanced integration testing with complex mocking and asynchronous operations. By leveraging these patterns, developers can implement Test-Driven Development (TDD), manage test isolation, and ensure high-quality code coverage through parameterization and property-based testing techniques.

Key Features

01Advanced pytest fixture management for setup and teardown

02Structured exception and error-handling verification

03Comprehensive mocking of external APIs and dependencies

04Parameterized testing for efficient edge-case coverage

05Specialized patterns for testing asynchronous and concurrent code

060 GitHub stars

Use Cases

01Mocking database connections and third-party services in integration tests

02Implementing Test-Driven Development (TDD) for new Python modules

03Refactoring legacy code with a safety net of automated unit tests

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add carlopezzuto/agents python-testing-pattern

For use in Claude.ai and ChatGPT

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