Head-to-Head: Angular Testing Library vs DOM Testing Library Analysis

@testing-library/angular

v14.3.0(about 1 month ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 2Monthly npm downloads

@testing-library/angular is a testing utility that makes it easy to test Angular components. It is built on top of the popular Testing Library, which encourages writing tests that simulate real-world user behavior. The library provides a simple API for interacting with components in tests, allowing developers to write tests that mirror user interactions as closely as possible. This makes it easy to spot bugs before they reach production, ensuring that the application is reliable and bug-free.

Alternatives: Jasmine, Protractor, Cypress

Tags: testingangularui-testingunit-testingtest-automation

@testing-library/dom

v9.3.3(14 days ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 8Monthly npm downloads

The @testing-library/dom package is a JavaScript testing utility for testing web applications. It provides a set of utilities that allows developers to write tests that resemble how users interact with the application. This approach is called a testing-library, and it focuses on testing how the application functions instead of implementation details. The package provides a collection of query methods that lets you easily select elements in the DOM, as well as helper functions to simulate events and user interactions on those elements.

Alternatives: Jest, Mocha, Cypress

Tags: javascripttestingwebuser-interactions

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Usage

The '@testing-library/angular' package is specifically designed for testing Angular applications, while the '@testing-library/dom' package is a general-purpose DOM testing library. So, the choice between the two would depend on the framework you are using for your project.

Functionality

Both packages provide similar functionalities for testing user interactions with the DOM. However, '@testing-library/angular' includes additional utilities and matchers that are specifically tailored for testing Angular components, such as Angular-specific querying methods and integration with Angular's change detection mechanism.

Community and Support

Both '@testing-library/angular' and '@testing-library/dom' are part of the larger '@testing-library' ecosystem and have active communities and support. However, since '@testing-library/angular' is specifically designed for testing Angular applications, it may have a more dedicated community and more targeted resources for Angular-oriented testing.

Compatibility

While both packages can be used with modern JavaScript frameworks and libraries, '@testing-library/angular' integrates more seamlessly with Angular-specific features and concepts, like Angular's dependency injection and Angular Testing Module, making it a better choice for testing Angular applications. '@testing-library/dom', on the other hand, can be used with any JavaScript framework or library that manipulates the DOM.

Learning Curve

The learning curve for '@testing-library/angular' may be slightly steeper for developers who are new to Angular, as it introduces additional Angular-specific concepts and testing methodologies. '@testing-library/dom', being a more general-purpose DOM testing library, has a relatively easier learning curve and can be used with any JavaScript framework.