Tag

#testing

18 posts

Frontend DevelopmentJuly 2, 202614 min
Build an Accessible React Combobox with React Aria (2026)
Build a fully accessible React combobox with react-aria-components 1.19: correct ARIA wiring, keyboard nav, and a real jest-axe + Testing Library suite.
Cloud & DevOpsJune 23, 202610 min
Vitest Coverage Thresholds: Fail CI on Low Coverage (2026)
Set Vitest coverage thresholds that fail CI when coverage drops. Vitest 4 nested config, per-file and glob gates, plus a runnable GitHub Actions workflow.
LLM & IntegrationJune 20, 202615 min
Test Vercel AI SDK Code with MockLanguageModelV3 (2026)
Unit-test Vercel AI SDK v6 code in TypeScript with MockLanguageModelV3 - no API key, no cost. Mock generateText, tool calls, and streaming in Vitest.
Cloud & DevOpsJune 18, 202614 min
AWS CDK Testing in TypeScript: Test Before Deploy 2026
Learn AWS CDK testing in TypeScript: write fine-grained assertions, snapshot tests, and Aspect validation with Jest to catch infra bugs before you deploy.
Backend DevelopmentMay 5, 202614 min
Python Best Practices: The 2026 Guide for Clean, Fast, and Secure Code
Python best practices for 2026: pyproject.toml, uv, Ruff, type hints, pytest, free-threaded 3.14, structured logging, and security patterns for clean, fast, shippable code.
Cloud & DevOpsJanuary 21, 20269 min
Mastering Travis CI Configuration: From Basics to Production
Travis CI from .travis.yml basics to production pipelines — matrix builds, secure env vars, caching, deploy stages, and conditional jobs that scale.
Performance & OptimizationJanuary 17, 20269 min
Mastering User Experience Optimization: From Metrics to Magic
UX optimization in 2026: blend psychology, design, performance, and analytics to maximize satisfaction, efficiency, and retention — with metrics that matter.
Performance & OptimizationJanuary 13, 20269 min
Mastering Regular Expression Optimization for Faster, Safer Code
Learn how to optimize regular expressions for performance, scalability, and security with practical examples, real-world insights, and modern best practices.
Tooling & ProductivityJanuary 6, 20269 min
Regex Pattern Mastery: From Basics to Production-Ready Craft
Learn how to truly master regular expressions — from fundamentals to advanced patterns, performance tuning, and real-world production practices.
Cloud & DevOpsJanuary 4, 202610 min
Playwright + GitLab + Serverless APIs: Testing at the Edge
Learn how to integrate Playwright with GitLab CI/CD pipelines and serverless APIs to build fast, scalable, and reliable end-to-end testing at the edge.
Frontend DevelopmentJanuary 3, 20269 min
Mastering iOS Development Fundamentals in 2025
iOS development fundamentals for 2026: Swift concurrency, Xcode, SwiftUI vs. UIKit, MVVM, and the first app you actually ship end to end with testing.
Architecture & DesignJanuary 2, 20269 min
Mastering Code Quality: From Messy Commits to Maintainable Systems
A deep-dive guide into improving code quality through testing, automation, reviews, and real-world practices that scale from startups to enterprise systems.

Every post in #testing (18)