PHPUnit in Practice: Definitive Reference for Developers and Engineers

"PHPUnit in Practice"

"PHPUnit in Practice" is an authoritative guide for PHP developers seeking a comprehensive and practical approach to automated testing using the industry-standard PHPUnit framework. Beginning with a deep exploration of PHPUnit’s evolution, architecture, and core fundamentals, the book walks readers through installation, configuration, and the nuanced mechanics that govern test execution, assertion strategies, and extensibility. It establishes a robust foundation in modern unit testing concepts, seamlessly connecting theory with actionable implementation in real-world PHP projects.

As the book progresses, it covers advanced testing architectures and strategies tailored to both object-oriented and functional paradigms. Readers will gain mastery over the design and maintenance of effective test suites, learn sophisticated patterns like data providers and mocking techniques, and understand how to test database interactions, external services, APIs, and asynchronous processes. Specialized chapters detail integration with popular frameworks such as Symfony and Laravel, legacy code adoption, package testing, and maintaining compatibility within the greater PHP ecosystem.

Beyond core testing techniques, "PHPUnit in Practice" delves into automation, continuous integration, and the pursuit of resilient, high-quality code—addressing security, compliance, data integrity, and error handling, with actionable best practices for pipeline automation, parallelization, and flaky test mitigation. Tools for extensibility, custom assertions, debugging, and reporting are covered in detail, supplemented by guidance on test maintenance, anti-pattern avoidance, and future-ready practices like property-based and mutation testing. This resource is essential reading for any PHP professional committed to elevating software quality and reliability through expert-level testing.

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Release date

Ebook: 19 June 2025