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: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
★ 5 (16) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Configuration Management, Software Testing, Test Automation, Software Quality Assurance, Test Engineering, Risk Management, Risk Management Framework, Issue Tracking
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Mobile Development Tools, Test Tools, Performance Stress Testing, Test Planning, Application Security
★ 3.7 (108) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Test Script Development, Test Case, Software Testing, Python Programming, File I/O
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Tools, Automation, C# (Programming Language), Scripting, Web Development Tools, UI Components, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: API Testing, Postman API Platform, OAuth, Application Programming Interface (API), Performance Testing, Security Testing, Software Testing, Test Tools, Authentications, Scenario Testing
★ 4.3 (73) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Continuous Delivery, Continuous Deployment, Continuous Integration, Application Deployment, Test Driven Development (TDD), CI/CD, Agile Methodology, Test Automation, Unit Testing, Software Development, Agile Software Development, Python Programming, Version Control
★ 3.7 (13) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Development Testing, Software Testing, Testability, Java, Test Case
★ 3.6 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Apple Xcode, Swift Programming, API Testing, iOS Development, Integrated Development Environments, Apple iOS, Software Testing, Unit Testing, Test Script Development, Application Programming Interface (API), Network Troubleshooting, Test Case, Computer Programming Tools, Knowledge of Apple Software, Mobile Development Tools, Program Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Coverage, Embedded Software, Real-Time Operating Systems, Performance Testing, System Testing, Software Testing, Verification And Validation, Test Engineering, Performance Stress Testing, Embedded Systems, Test Planning, Simulations, Real Time Data, Safety and Security
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Software Versioning, Continuous Integration, Test Tools, Continuous Delivery, Test Data, Software Testing, CI/CD, Code Reusability, Software Design Patterns, Command-Line Interface, File I/O
★ 4.8 (6) · Advanced · Course · 1 - 3 Months