Is this compatible with modern Symfony versions?

Yes, the patterns follow modern PHP and Symfony standards, including support for interfaces and typed properties commonly used in Symfony 5, 6, and 7.

How does this help with test-driven development (TDD)?

By providing quick access to mocking boilerplate, it reduces the friction of setting up test environments, allowing you to focus on defining class behavior.

Does this skill support both PHPUnit and Prophecy?

Yes, it provides comprehensive examples and implementation patterns for both the native PHPUnit mock framework and the Prophecy library.

Can I use this for mocking Symfony-specific components?

Absolutely. It includes specific templates for mocking core Symfony components such as the EntityManager, Repository classes, and the MessageBus.

What is the difference between a mock and a fake in this skill?

The skill differentiates between mocks, which verify specific interactions, and fakes, which are simplified working implementations like in-memory repositories.

Symfony Test Doubles & Mocking

Name: Symfony Test Doubles & Mocking
Author: MakFly

byMakFly

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Security & Testing

Generates PHPUnit mocks, Prophecy doubles, and test fakes to facilitate isolated unit testing within Symfony applications.

This skill empowers developers to write robust unit tests for Symfony projects by providing specialized patterns for creating various test doubles. It streamlines the process of isolating the System Under Test (SUT) from its dependencies, covering everything from basic PHPUnit stubs and expectations to readable Prophecy syntax and high-performance in-memory fakes. With specific guidance for mocking core Symfony components like the EntityManager, Repositories, and the MessageBus, this skill ensures your test suite remains fast, decoupled, and maintainable.

Key Features

01Pre-configured logic for handling exceptions and complex callback-based mocking

02Template generation for PHPUnit mocks, expectations, and consecutive return values

03Implementation guides for 'Fake' objects to replace complex database dependencies

04Prophecy trait integration for readable, behavior-driven test doubles

05Specific patterns for mocking Symfony services like EntityManagerInterface and MessageBusInterface

0621 GitHub stars

Use Cases

01Testing message dispatching in Symfony Messenger by verifying interactions with the MessageBus

02Simulating third-party API failures and retries to verify service resiliency

03Mocking database repositories to test business logic without requiring a live database connection

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add makfly/superpowers-symfony test-doubles-mocking

For use in Claude.ai and ChatGPT

Download Skill