book

Test-Driven Development with PHP 8

by Rainier Sarabia

January 2023

Intermediate to advanced

336 pages

6h 18m

English

Packt Publishing

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ForewordContributorsAbout the author
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesDownload the color imagesConventions usedGet in touchShare Your ThoughtsDownload a free PDF copy of this book
What is TDD?Common misconceptions about TDDTesting software is not my job as a developer; therefore, I don’t need TDD Developing with TDD is unnecessarily slowWriting automated or unit tests is TDDTDD is a silver bulletWhy should we even consider TDD?What are we planning to achieve in this book?Summary
Technical requirementsThe example business projectThe business scenarioMaking sense of the scenario and the problemBreaking down the business requirements into software featuresCreating a Jira Cloud account and initializing the Jira Cloud projectCreating a Jira epicWriting user storiesIntegrating Jira with BitbucketSummary
Technical requirementsQuick SetupWhat is a container?Setting up our PHP development containerCreating multiple containersRunning Docker containersBuilding a Docker image and running containersStopping containers Summary
Technical requirementsUnderstanding OOP in PHPWhat is OOP, anyway?Classes versus objectsReferences and objects in PHPAbstraction in OOPEncapsulation in OOPVisibility in PHPAccessors and mutatorsInheritance in OOPPolymorphism in OOPPolymorphism with a PHP abstract classPolymorphism with a PHP interfacePHP Standards Recommendations (PSRs)What is a PSR?Summary
Technical requirementsPreparing the development environment for the chapterDefining unit testsTest coverageDeclaring annotationsAdding more functions to the solution classUsing PHP’s reflection feature to directly test for private methodsIndirectly testing for private methodsUsing shell scripts to run testsTypes of testsBasket 1 – unit testsBasket 2 – integration testsIntegration test exampleInstalling Doctrine with Symfony 6Doctrine and databaseFailing our first integration testCreating a Doctrine entityCreating a Doctrine table for the entityCreating a test databasePutting things togetherWhy did we use an integration test in the first place?Summary
Technical requirementsPreparing the development environment for the chapterWhat is BDD?Applying BDD using Behat and GherkinWhat is Behat?What is Gherkin?What is Mink?Installing Behat and MinkWriting PHP code based on GherkinBrowser emulators and MinkWhy bother with Gherkin, then?Summary

Technical requirementsPreparing the development environment for the chapterImplementing the Red-Green-Refactor patternWriting tests and solution code for the example projectCreating a Behat feature based on a Jira ticketCreating a Behat registration featurePassing the Behat registration featureWriting failing controller testsImplementing a registration solution using SymfonyPassing the Behat featureSummary
Technical requirementsPreparing the development environment for the chapterJira to BDD to TDDGherkin featureBehat contextFunctional testIntegration testTDD with the Single-Responsibility PrincipleWriting the solution codeTDD with the Open-Closed PrincipleTDD with the Liskov Substitution PrincipleTDD with the Interface Segregation PrincipleTDD with the Dependency Inversion PrincipleSummary
Technical requirementsPreparing the development environment for this chapterRunning and passing all the Symfony application testsSetting up the local environmentUsing Bitbucket Pipelines for CISummary
Technical requirementsSetting up an AWS EC2 instanceCreating an AWS CodeDeploy applicationInstalling Docker and other dependencies inside the AWS EC2 instanceConnecting to the EC2 instanceInstalling CodeDeploy AgentInstalling DockerInstalling docker-composeAttaching Elastic IP to the EC2 instanceContinuous delivery with Bitbucket Pipelines and AWS CodeDeployBitbucket Pipelines settingsCreating a CodeDeploy configuration fileRunning Bitbucket PipelinesSummary
Technical requirementsSetting up New Relic APM for PHPCreating a New Relic account and license keyInstalling a New Relic agent in the PHP 8 containerGoing through the application performance dataMonitoring other containers in your setupSummary
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Overview

This book, 'Test-Driven Development with PHP 8', is your practical guide to mastering TDD and BDD using PHP for developing enterprise applications. You will explore how to translate business requirements into precise, maintainable solution code, implement automated testing strategies, and leverage SOLID principles for clean design.

What this Book will help me do

Organize and translate business requirements into development tasks.
Implement unit and behavioral testing in PHP using PHPUnit and Behat.
Reduce bugs and improve application stability using continuous integration.
Apply SOLID principles to write reusable and maintainable PHP code.
Prepare your application efficiently for deployment with continuous delivery.

Author(s)

Rainier Sarabia is an experienced software engineer with a strong focus on PHP development. Rainier has years of experience working on enterprise-level applications and is passionate about writing clean, testable, and maintainable code. His approachable style of teaching offers clear guidance to developers at various levels.

Who is it for?

This book is suitable for professional PHP developers aiming to implement best practices in TDD and BDD for their projects. Whether you are looking to refine your skills in automated testing or improve your process for enterprise projects, this book provides detailed guidance that matches industry standards.