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: Test Automation, Selenium (Software), Test Script Development, Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Java, Maintainability, Code Reusability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Usability Testing, Usability, Test Tools, Test Planning, User Research, Interactive Data Visualization, Product Development, Web Analytics and SEO, User Accounts, Data Integration
Intermediate · Guided Project · Less Than 2 Hours

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
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Development Testing, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Java Programming, Performance Tuning, Debugging, Performance Testing, Application Performance Management
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: JSON, API Testing, Restful API, Software Quality Assurance, Software Engineering, Application Programming Interface (API), Test Script Development, Java Programming, Java, Data Mapping, Software Testing, Test Case, Web Services
Mixed · 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
Advanced · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, Continuous Integration, Build Tools, CI/CD, Object Oriented Programming (OOP), Software Configuration Management, Object Oriented Design, Java, Software Design Patterns, Test Script Development, Test Automation, Java Programming, Code Reusability, Software Testing, Maintainability, Test Case, Browser Compatibility, Software Design
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, Continuous Integration, CI/CD, Test Automation, Test Script Development, Web Development Tools, Browser Compatibility, Test Execution Engine, Test Data, Java, File I/O, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, LangChain, AI Orchestration, Generative AI Agents, CrewAI, Statistical Methods, Agentic Workflows, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

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