Advanced Unit Testing
Write reliable, maintainable unit tests for C#/.NET projects
Advanced Unit Testing, taught by Mark Seemann, is a focused course on writing reliable, maintainable unit tests for C# and .NET applications, covering test design, isolation patterns, mocking, and dependency injection.
It emphasizes practical, hands-on techniques—refactoring for testability, appropriate use of fakes and mocks, and integrating tests into automated workflows—that help developers produce faster, less brittle test suites.
At a Glance
Advanced Unit Testing is an in-depth online course that examines unit testing practices and advanced techniques for writing reliable, maintainable tests.
It is taught by Mark Seemann and broadly covers test design, isolation strategies, mocking and faking, and patterns for improving testability in complex codebases.
| Level | Advanced |
| Rating | 4.6 out of 5 |
| Duration | 2+ hours |
| Languages | English |
| Certificate | Certificate of completion |
| Access | Access for as long as your subscription is active |
| Course includes |
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| Price | Subscription-based, monthly or annual plans |
What This Course Teaches
The course frames outcomes as measurable competencies that prepare learners to produce reliable, fast, and maintainable unit tests across real-world codebases.
Learners will be expected to design testable code, apply isolation and mocking techniques, and refactor legacy code to support comprehensive unit testing.
How the Course Is Structured
The course is organized into concise, focused modules that combine narrated video lessons with guided code walkthroughs and downloadable example files.
Overall it comprises 6+ modules and totals about 2+ hours of video content.
Audience & Requirements
The course is aimed at professional developers and testers who work with .NET code and need practical techniques for writing reliable, fast unit tests in complex codebases.
It assumes hands-on experience with C# and existing familiarity with unit testing and dependency injection patterns.
- Experienced C#/.NET developers looking to improve test quality and maintainability.
- Test engineers or QA engineers who write or review unit tests.
- Software architects and maintainers focused on refactoring for testability.
- Intermediate to advanced knowledge of C# and the .NET platform.
- Familiarity with a unit testing framework (xUnit, NUnit, or MSTest).
- Basic understanding of dependency injection and mocking concepts.
- An IDE such as Visual Studio or Visual Studio Code and the .NET SDK to run the provided code samples.
Final Verdict
This course is a worthwhile, practical investment for experienced C#/.NET developers and test engineers who want focused, advanced techniques to improve unit-test quality and testability.
The course’s strong learner feedback, combined with a platform certificate and subscription access, makes it an efficient way to upskill without a major time or financial commitment; however, it functions as a concentrated deep dive rather than a full, beginner-friendly curriculum, so those new to unit testing should start with more introductory material first.
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