In-depth tutorials and comparisons for testing tools and frameworks — Playwright, Cypress, Selenium, Robot Framework, and more.
Tools & Frameworks
Mockery is PHP's most powerful mocking library, popular in Laravel and Symfony ecosystems. It provides a fluent API for creating test doubles: mocks, stubs, spies, and partial mocks. This guide covers creating mocks, defining expectations with shouldReceive, argument matchers, mock verification, spies, and using Mockery with PHPUnit and
Tools & Frameworks
Pest is a modern PHP testing framework built on top of PHPUnit. It offers a simpler, more expressive syntax with test(), it(), and expect() — inspired by Jest and RSpec. Pest is Laravel's default testing framework since Laravel 11. This guide covers setup, writing tests, datasets, architecture testing, and
Tools & Frameworks
Laravel ships with a complete testing setup: PHPUnit configured, database factories, HTTP test helpers, and Artisan commands to generate tests. Feature tests let you make real HTTP requests to your application without a running server. This guide covers unit tests, feature tests, database testing, facade mocking, queue/event faking, and
Tools & Frameworks
PHPUnit is the standard testing framework for PHP. Every major PHP framework — Laravel, Symfony, WordPress — uses or supports PHPUnit. This guide covers installation, writing test classes, assertions, test doubles (mocks, stubs, spies), data providers, exception testing, code coverage, and CI integration. Key Takeaways PHPUnit test classes extend TestCase and methods
Integration Testing
Integration testing in .NET means testing your application with real dependencies — real HTTP routing, real database queries, real middleware. WebApplicationFactory from Microsoft.AspNetCore.Mvc.Testing spins up your actual ASP.NET Core app in memory, letting you send real HTTP requests without a running server. This guide covers setup, database
Tools & Frameworks
Moq is the most popular mocking library for .NET. It lets you replace real dependencies (databases, email services, HTTP clients) with controlled fakes in unit tests. This guide covers Setup, Verify, argument matchers, callbacks, async mocks, and common patterns for writing isolated C# tests. Key Takeaways Mock<T>
Tools & Frameworks
.NET developers choose between three major testing frameworks: MSTest (Microsoft's built-in framework), xUnit.net (the modern default, used by the .NET team itself), and NUnit (the most feature-rich, JUnit-inspired option). All three are production-ready. The right choice depends on your team's background, project constraints, and testing
Tools & Frameworks
NUnit is one of the oldest and most feature-rich .NET testing frameworks. It inspired xUnit.net and shares ideas with JUnit. This guide covers setup, writing tests, parameterized tests with TestCase, constraint-based assertions, setup and teardown, and integrating NUnit into CI pipelines. Key Takeaways NUnit uses [Test] and [TestCase] as
Tools & Frameworks
xUnit.net is the most modern .NET testing framework, favored by Microsoft's own teams and the open-source community. It's the default choice for new .NET projects. This guide covers installation, writing Facts and Theories, using assertions, mocking dependencies, async testing, and running tests in CI pipelines.
Test Automation
SvelteKit gives you fast builds and a clean full-stack model. It also ships with no testing setup at all. You add a route, it works in the browser, and you move on — until it breaks in a way that would have taken two minutes to catch with a test. This
Test Automation
Why Remix Has a Better Testing Story Than Most Frameworks React Router and Remix took a deliberate design decision that has a direct testing benefit: loaders and actions are plain async functions. They receive a Request object and return data or a Response. There's no lifecycle, no context
Test Automation
Nuxt 3 ships with Nitro for the server layer, auto-imported composables, and a file-based routing system. Each of those layers can break independently, and when they do it often looks like silence: a composable that returns stale data, a Nitro route that drops requests under load, a component that renders