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.

The University of Edinburgh
Skills you'll gain: Software Engineering, Code Reusability, Program Development, Video Game Development, Programming Principles, Software Development, Software Design, Event-Driven Programming, Computer Programming, Software Documentation, Software Testing, Computational Thinking, Game Design, Animations, Animation and Game Design
★ 4.6 (27) · Mixed · Course · 1 - 3 Months

Skills you'll gain: User Research, Design Thinking, UI/UX Research, Usability Testing, Design Research, User Interface and User Experience (UI/UX) Design, Wireframing, User Interface (UI), Usability, User Experience, Mockups, User Experience Design, Persona (User Experience), User Interface (UI) Design, Prototyping, Figma (Design Software), Interaction Design, User Flows, Software Documentation, Persona Development
★ 4.8 (10) · Advanced · Course · 1 - 3 Months
Rutgers the State University of New Jersey
Skills you'll gain: Production Process, Manufacturing Processes, Manufacturing Operations, Product Testing, Regulatory Compliance, Clinical Research, Regulatory Affairs, Personal Care, Product Development, Good Manufacturing Practices, Laboratory Testing, Regulatory Requirements, Materials science, Workforce Development, Compliance Management, New Product Development, Clinical Trials, Quality Control, Product Planning, Product Management
★ 4.5 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, Cyber Security Assessment, Cryptographic Protocols, Security Controls, Cloud Security, Encryption, Data Security, Network Administration, Information Assurance, Identity and Access Management, Penetration Testing, Cloud Computing, Cyber Risk, Authorization (Computing), Information Privacy
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Cloud Deployment, Application Deployment, Software Development Life Cycle, Systems Development Life Cycle, Continuous Deployment, Development Testing, Continuous Delivery, Software Development, Continuous Integration, Amazon Web Services, Test Tools, Containerization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, Test Tools, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Data Structures
★ 4.5 (6) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Infrastructure Architecture, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Solutions, Cloud Hosting, Cloud Computing Architecture, Cloud Services, Cloud Security, Cloud Storage, Network Planning And Design, Load Balancing, Virtual Networking, Virtual Private Networks (VPN), Network Security, Resource Management, Cost Management
★ 4.5 (35) · Intermediate · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Care, Respiration, General Medical Tests and Procedures, Hemodynamics, Medical Records, Cardiac Dysrhythmia, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Laboratory Testing, Health Information Management and Medical Records, Physiology
★ 4.6 (22) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Shop Drawing, Drafting and Engineering Design, Construction Inspection, Structural Engineering, Structural Analysis, Building Design, Construction, Manufacturing Processes, Construction Engineering, Engineering Practices, Building Codes, Production Process, Engineering Tolerance, Verification And Validation, Product Testing, Engineering Calculations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), UI/UX Research, User Research, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience, User Experience Design, Interactive Design, Digital Design, User Centered Design, Design, Experience Design, Usability Testing, Design Strategies, Human Centered Design
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Data Modeling, Role-Based Access Control (RBAC), System Monitoring, Model Training, Incident Response, Computer Security Incident Management, User Accounts, Machine Learning Methods, Security Information and Event Management (SIEM), Applied Machine Learning, User Provisioning, Model Evaluation, Event Monitoring, Systems Administration, Performance Tuning, Data Visualization, Threat Detection, Cyber Threat Intelligence, Identity and Access Management
★ 4.8 (49) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months