Unit testing courses can help you learn the principles of test-driven development, writing effective test cases, and debugging techniques. You can build skills in identifying edge cases, ensuring code coverage, and automating tests to streamline workflows. Many courses introduce tools such as JUnit, NUnit, and pytest, that support implementing unit tests in various programming languages, allowing you to apply your skills in real coding environments.

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Debugging, Apple Xcode, Swift Programming, Integrated Development Environments, Apple iOS, Software Testing, Unit Testing, Application Programming Interface (API), Network Troubleshooting, Code Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Tools, Browser Compatibility, Software Testing, Test Automation, Continuous Integration, Cloud Applications, CI/CD, Regression Testing, Mobile Development Tools, Cloud Platforms, Verification And Validation, Quality Assurance, UI Components, User Interface (UI), Automation, Scalability
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Usability Testing, User Acceptance Testing (UAT), Surveys, Software Testing, Human Computer Interaction, User Research, UI/UX Research, User Experience Design, Software Quality (SQA/SQC), Web Content Accessibility Guidelines
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Jenkins, Mobile Development, Test Execution Engine, Testability, Application Frameworks, Test Case, Regression Testing, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Cross Platform Development, Containerization
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Test Driven Development (TDD), Continuous Integration, ASP.NET, .NET Framework, Git (Version Control System), C# (Programming Language), Integration Testing, Maintainability, Data Access, Data Integrity, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Usability Testing, Usability, Test Tools, Interaction Design, Human Computer Interaction, Test Planning, User Research, Product Development, Web Analytics and SEO
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Angular, Web Development Tools, Unit Testing, Software Testing, Test Case, UI Components, Web Components, Web Applications, User Interface (UI), TypeScript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Debugging, Performance Testing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Test Automation, Test Script Development, Application Programming Interface (API), Test Case, Restful API, Software Testing, Configuration Management, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Automation, Test Script Development, Test Data, Test Case, JSON, API Testing, Scenario Testing, Mockups
Intermediate · Guided Project · Less Than 2 Hours