The 6 best Testing & TDD courses in 2026

Unlock reliable Java testing with our "Introduction to JUnit" course. Designed for students, junior developers, and QA testers who want to improve code quality and confidence, this course provides the essential foundations and practical tools of unit testing using JUnit 4 and JUnit 5. From understanding why unit tests matter to setting up JUnit, organizing tests, and integrating with build and CI tools, you’ll gain the skills to deliver maintainable, bug-resistant software. With real-world examples, actionable patterns, and hands-on tools like assertions, exception testing, parameterized test

Learn to accelerate your software development workflow by combining GitHub Copilot with test-driven development, system-wide refactoring, and infrastructure-as-code generation. This course teaches you to use AI assistance at every stage of code quality — from writing your first test to deploying containerized applications. You will start with AI-assisted test-driven development, using GitHub Copilot to generate test cases, mock dependencies, and evaluate test coverage with pytest. You will then move to system-wide refactoring, leveraging @workspace references to analyze cross-file dependencie

In today’s fast-moving tech world, great developers do more than just write code — they build adaptable, high-quality software that meets real user needs. This hands-on course will guide you through the essential tools and mindsets that power modern software teams. You’ll gain a deep understanding of Agile principles and the Scrum framework, learning how to iterate quickly and deliver value efficiently. Through practical Python exercises, you’ll master Test-Driven Development (TDD) and Behavior-Driven Development (BDD) — industry-proven practices that help you design cleaner, more reliable, an

Engineering Maintainable Android Apps, which is a 4 week MOOC that shows by example various methods for engineering maintainable Android apps, including test-driven development methods and how to develop/run unit tests using JUnit and Robotium (or equivalent automated testing frameworks for Android), as well as how to successfully apply common Java/Android software patterns to improve the extensibility and clarity of Android apps. Students will work on the appropriate automated unit quizzes, based on the material covered in the lecture videos. These lessons will demonstrate the benefits of goo

Free, open-source full-stack curriculum: HTML, CSS, JavaScript, Node.js, and real projects.

Deep, workshop-style React training — hooks, patterns, performance, and testing.