Testing con dobles en PHP
Testing con dobles en PHP
Un guía con heurísticas y patrones prácticos para utilizar de manera eficiente los dobles en los tests unitarios de PHP
Sobre este libro
Este libro es un complemente a "Testing y TDD en PHP". Se centra en el uso eficiente de dobles en los tests unitarios y cómo utilizarlos para resolver diversos problemas de programación.
Bundles that include this book
Tabla de contenido
- Introducción
-
Desarrollar una cultura de testing
- Análisis de situación
- Primeros objetivos
- Organización del trabajo
- Beneficios
- Cuando es difícil testear
- ¿Cuánto tiempo se necesita para alcanzar un buen nivel?
-
La dualidad del testing
- Separación de intereses
-
1. Guía para testear con dobles
- Los dobles se usan para tener bajo control el comportamiento de los colaboradores en una situación de test
- Se llaman dobles, no mocks, y los hay de varios tipos
- 1.1. Dummies
- 1.2. Stubs
-
1.3. Mocks y Spies
- Mocks y spies acoplan el test a la implementación de la unidad bajo test
- Cómo limitar la fragilidad de los tests que usan mocks y spies
-
1.4. Fakes
- Un ejemplo de Fake
- Patrones y heurísticas para trabajar con dobles en los tests
-
2.1. Patrones de uso de dobles de test
- Usar o no usar dobles
- Utilizar una librería de dobles
- Creación básica de dobles
- Crear dummies
- Crear Stubs
- Mocks: Verificar que un colaborador ha sido llamado
- Crear el doble de una clase que no existe
- Crear el doble de una clase que requiere constructor
- Testeando con dependencias no inyectadas
-
2.2. Anti-patrones
- Dobles sabihondos (smart-ass doubles)
- Demasiadas expectativas
-
2.3. Heurísticas para testear con dobles
- Let It Fail: una heurística para descubrir cómo hacer los dobles
- To Mock or not to Mock? Una heurística para determinar qué colaboradores necesitan stubs
- Usar mocks para entender el legacy
- Lo que pasa en el doble se queda en el doble
- Aplicación al testeo de código desconocido
-
2.4. Testing expresivo
- Esto me suena de algo, ¿no?
-
2.5. La performance de los métodos para crear test doubles
- Velocidad de los tests según la metodología para crear dobles
- Un análisis más profundo
- Conclusiones
- Notas
Leanpub incondicional, sin riesgo, 100% de felicidad garantizada
Durante los primeros 60 días de compra, puedes obtener un reembolso del 100% de cualquier compra Leanpub, en dos clics. Procesamos las restituciones manualmente, así que puede tomarse unos días en aparecer. Véase términos completos.
80% Royalties. Earn $16 on a $20 book.
We pay 80% royalties. That's not a typo: you earn $16 on a $20 sale. If we sell 5000 non-refunded copies of your book or course for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earned$12,307,240writing, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Actualizaciones gratis. Libre de DRM.
¡Si compras un libro Leanpub obtienes actualizaciones gratis siempre y cuando el autor actualice el libro! Varios autores usan Leanpub para publicar sus libros en progreso mientras los escriben. Todos los lectores obtienen actualizaciones gratis, independientemente de cuándo compraron el libro o cuánto pagaron (incluyendo si fue gratis).
La mayoría de los libros Leanpub se encuentran disponibles en PDF (para computadores) y EPUB (para teléfonos, tabletas, y Kindle). Los formatos que un libro incluye se muestran en la esquina superior derecha de esta página.
Finalmente, los libros Leanpub no tienen ninguna de las cosas sin sentido sobre protección de copia DRM, así que puedes leerlos fácilmente en cualquier dispositivo que se soporta.
Aprende más sobre los formatos de Leanpub y dónde puedes leerlos
Top Books
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
Personal Finance
Jason AndersonThis textbook provides an in-depth analysis on personal finance that is both practical and straightforward in its approach. It has been written in such a way that the readers can gain knowledge without getting overwhelmed by the technical terms. Suitable for both beginners and advanced learners.
Getting to Know IntelliJ IDEA
Trisha Gee and Helen ScottIf we treat our IDE as a text editor, we are doing ourselves a disservice. Using a combination of tutorials and a questions-and-answers approach, Getting to Know IntelliJ IDEA will help you find ways to use IntelliJ IDEA that enable you to work comfortably and productively as a professional developer.
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
C++20 - The Complete Guide
Nicolai M. JosuttisAll new language and library features of C++20 (for those who know previous C++ versions).
The book presents all new language and library features of C++20. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps.
Buy early, pay less, free updates.
Other books:
Mastering STM32 - Second Edition
Carmine NovielloWith more than 1200 microcontrollers, STM32 is probably the most complete ARM Cortex-M platform on the market. This book aims to be the most complete guide around introducing the reader to this exciting MCU portfolio from ST Microelectronics and its official CubeHAL and STM32CubeIDE development environment.
Stats One
William FooteMachine Learning Q and AI
Sebastian Raschka, PhDHave you recently completed a machine learning or deep learning course and wondered what to learn next? With 30 questions and answers on key concepts in machine learning and AI, this book provides bite-sized bits of knowledge for your journey to becoming a machine learning expert.
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
Gradual Modularization for Ruby and Rails
Stephan HagemannGet yourself a new tool to manage your Rails application and your growing engineering organization! Prevent the ball-of-mud (and fix it!). Go for microservices or SOA if it makes sense not just because you don't have any other tool. Do all this through a low-overhead tool: packages. Enable better conversations to make practical changes today.
Top Bundles
- #1
Software Architecture
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #2
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #3
1500 QUIZ COMMENTATI (3 libri)
3 Books
Tre libri dei QUIZ MMG Commentati al prezzo di DUE! I QUIZ dei concorsi ufficiali di Medicina Generale relativi agli anni: 2000-2001-2003-2012-2013-2014-2015-2016-2017-2018-2019-2020-2021 +100 inediti Raccolti in unico bundle per aiutarvi nello studio e nella preparazione al concorso. All'interno di ogni libro i quiz sono stati suddivisi per... - #4
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #5
Practical FP in Scala + Functional event-driven architecture
2 Books
Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle! The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!? - #7
Linux Administration Complet
4 Books
Ce lot comprend les quatre volumes du Guide Linux Administration :Linux Administration, Volume 1, Administration fondamentale : Guide pratique de préparation aux examens de certification LPIC 1, Linux Essentials, RHCSA et LFCS. Administration fondamentale. Introduction à Linux. Le Shell. Traitement du texte. Arborescence de fichiers. Sécurité... - #9
Development and Deployment of Multiplayer Online Games, Part ARCH. Architecture (Vol. I-III)
3 Books
What's the Big Idea? The idea behind this book is to summarize the body of knowledge that already exists on multiplayer games but is not available in one single place.And quite a fewof the issues discussed within this series (planned as three nine volumes ~300 pages each), while known in the industry, have not been published at all (except for... - #10
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also...