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.

Scrimba
Skills you'll gain: Unit Testing, Test Case, Debugging, Software Testing, Test Script Development, Development Testing, Test Automation, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Testing, Software Quality Assurance, Acceptance Testing, System Testing, Functional Testing, Software Quality (SQA/SQC), Quality Assurance, Behavior-Driven Development, Unit Testing, Verification And Validation, Test Tools, Test Planning, Integration Testing, User Acceptance Testing (UAT), Software Development Life Cycle, User Story, Development Environment, Software Development, Azure DevOps, Quality Control
★ 4.8 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Java Programming, Hibernate (Java)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, Unit Testing, Code Coverage, React.js, Software Testing, Development Environment, Test Script Development, Context Management
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Software Testing, JUnit, Code Coverage, Unit Testing, White-Box Testing, Test Automation, Verification And Validation, Software Quality Assurance, Integration Testing, Acceptance Testing, Regression Testing, Scenario Testing, Test Case, Quality Assurance, Unified Modeling Language, Functional Requirement
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Test Automation, Performance Stress Testing, Performance Testing, Test Script Development, API Testing, GitHub, Postman API Platform, Continuous Integration, Software Testing, Version Control, Generative AI, Test Case, Git (Version Control System), Technical Communication, Integration Testing, SQL, Data Validation, Software Development, Computer Science, Information Technology
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: JUnit, Test Automation, Unit Testing, Java Programming, Java, Test Script Development, Object Oriented Design, File I/O, Verification And Validation, Test Tools, Software Testing, Test Execution Engine, Development Testing, Quality Assurance, Software Quality Assurance, System Testing, Computer Programming, Application Development, Test Case, Application Design
★ 4.9 (20) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Development Testing, Test Case, Test Automation, Continuous Delivery, Software Development Tools, Site Reliability Engineering
★ 3.7 (7) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Performance Stress Testing, Regression Testing, Software Quality (SQA/SQC), AI Integrations, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Collaborative Software, Development Environment, Security Testing
★ 4.1 (51) · Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, Test Case, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing, Test Engineering, Software Engineering Tools
★ 4.2 (1K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Java Programming, Java, Software Architecture
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Software Testing, Software Quality Assurance, Quality Assurance, Software Quality (SQA/SQC), Acceptance Testing, Test Case, Test Automation, Test Planning, Unit Testing, Software Development Life Cycle, Regression Testing, Test Driven Development (TDD), User Acceptance Testing (UAT), Software Engineering, Agile Methodology, Software Documentation, Information Assurance, Regression Analysis, Exploratory Data Analysis, Kanban Principles
Beginner · Course · 1 - 3 Months
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