Introduction to Unit Testing

This free unit testing course is built for beginners and self-paced learners who want the topic explained with context and usable examples. The course introduces core concepts, beginner examples, practical use, and next steps in a way that shows how the pieces work together. Instead of treating unit testing as a list of terms, it explains what to look for, how to reason through common tasks, and why the subject appears in real projects, teams, or business decisions.The course is a good fit if you want to understand the foundations and use them in practical learning tasks. You can use it to prepare for assignments, interviews, workplace conversations, or a first hands-on project depending on your goal. After finishing, you should be able to explain the core idea of unit testing, recognize when it is relevant, and choose a sensible next step such as practice exercises, deeper tools, related frameworks, or a more advanced course.