Overview

The Symfony Dependency Injection Test library is a tool for testing container extensions and compiler passes in Symfony applications. It provides PHPUnit test case classes and semantic assertions for functional testing of container extensions, as well as tools for testing container extension configurations.

Features

PHPUnit test case classes for functional testing of container extensions
Semantic assertions for verifying processed values from different types of configuration files
Support for testing compiler passes
Unobtrusiveness testing to ensure that compiler passes are correctly implemented
Use of findDefinition() instead of getDefinition() for better flexibility in identifying service definitions and aliases
Testing of different configuration file formats (Yaml, XML, PHP, and closures)

Summary

The Symfony Dependency Injection Test library provides a set of tools and PHPUnit test case classes for testing container extensions and compiler passes in Symfony applications. It allows developers to functionally test their container extensions and configurations, adopt a TDD approach, and ensure the correctness of their code. The library also offers support for testing different configuration file formats and emphasizes the use of semantic assertions for verifying values.

Symfonytest

SymfonyDependencyInjectionTest