Testing
Windows desktop apps built with WPF or WinUI 3 present a familiar testing challenge: UI frameworks couple logic to platform types that are hard to instantiate in tests. The solution for both frameworks is the same—MVVM architecture that concentrates testable logic in ViewModels, with UI tests reserved for integration
Testing
Network faults are the most common source of distributed system bugs, and also the hardest to test. A unit test can stub a database call. An integration test can verify a happy-path HTTP request. But what tests verify that your application handles a 5-second connection timeout gracefully? Or that a
Testing
Tauri is a framework for building lightweight desktop apps with a Rust backend and a web frontend. Its architecture—Rust commands exposed to the frontend via a bridge—creates a natural testing boundary: Rust logic is tested with Rust's toolchain, frontend logic with JavaScript testing tools, and the
Testing
SOC 2 is a certification that enterprise customers increasingly require before signing a contract. For SaaS companies, a SOC 2 Type II report is often the difference between winning and losing six-figure deals. Yet most engineering teams treat SOC 2 preparation as a documentation exercise managed by compliance consultants — and
Testing
The traditional software testing model was sequential: developers wrote code, then testers found bugs, then developers fixed them. Bugs discovered at the end of a development cycle are expensive — studies consistently show that a defect found in production costs 10 to 100 times more to fix than one caught during
Testing
Service meshes like Istio have become foundational infrastructure for microservices deployments, handling everything from mTLS encryption to sophisticated traffic management. But here's the problem most teams discover too late: Istio configuration is code, and untested code breaks in production. A misconfigured VirtualService can silently route 100% of traffic
Testing
Qt applications are tested with QTest, Qt's built-in unit testing framework. Unlike third-party frameworks bolted onto C++, QTest understands Qt's object model—you can test signals, slots, models, and widgets with purpose-built APIs rather than workarounds. This guide covers QTest setup, unit testing Qt classes, testing
Testing
A well-tested SaaS API is one of the strongest competitive advantages a product can have. Developers who integrate your API need to trust that authentication works predictably, rate limits are enforced fairly, and older API versions continue to behave as documented. When any of these break, the cost is not
Accessibility Testing
Most teams integrate @axe-core/playwright and call it done. You get a scan, you fix the violations, you ship. But axe-core catches maybe 30–40% of real accessibility issues. The rest — focus management failures, broken ARIA live regions, keyboard traps, flawed reading order — require behavioral testing that axe can'
Accessibility Testing
Pa11y CI is a command-line accessibility testing tool built for CI pipelines. Unlike browser-extension audits, it runs headlessly, accepts a list of URLs, and exits with a non-zero code when violations exceed your threshold. That makes it a straightforward gate in any pipeline. This guide covers production-ready pa11y-ci configuration: threshold
Testing
Security testing is not optional. The OWASP Top 10 is the industry-standard reference for the most critical web application security risks, updated regularly based on real-world breach data. If your application has not been tested against every category in this list, it has not been security tested. This guide walks
Testing
PCI DSS (Payment Card Industry Data Security Standard) governs any organization that stores, processes, or transmits cardholder data. Version 4.0, released in 2022 and mandated from March 2025, introduced significant changes to how testing requirements are structured — moving from point-in-time assessments toward continuous monitoring and testing. The core insight