Visual Studio Mastery · Step 8 of 15
Testing in Visual Studio
Learn to write tests that actually catch bugs, right inside Visual Studio's Test Explorer — no separate tools required.
What you’ll walk away with
- Navigate and use Test Explorer as your central hub for running and managing tests
- Write real unit tests that check meaningful behavior, not just superficial pass/fail checks
- Read code coverage reports correctly — and understand what coverage numbers do and don't tell you about code quality
- Test-drive an actual method from scratch, applying testing practices to real code rather than toy examples
- Use coverage data as a discovery tool to find untested or risky parts of a codebase
Questions people ask before they start
Do I need prior experience with unit testing?
No. The course starts with Test Explorer basics and builds up to writing your first real unit tests, so it's designed for someone new to structured testing in Visual Studio.
Will this teach me a specific testing framework in depth?
The focus is on using Visual Studio's built-in Test Explorer and writing meaningful tests, plus interpreting code coverage — it's about the workflow inside the IDE, not a deep dive into any one framework's advanced features.
What does 'code coverage as a discovery tool' mean?
One lesson is dedicated to this exact question — it explains what coverage percentages actually reveal (and their limits), so you can use coverage to find gaps in testing rather than treating it as a quality score.
Is there hands-on practice, or is it all lecture?
The module ends with a hands-on exercise where you test-drive a real method, applying what you learned about Test Explorer, writing tests, and reading coverage.
How long is this course?
It's a single, focused module — Testing Without Leaving the IDE — with four lessons covering Test Explorer, writing tests, coverage, and a hands-on exercise.
Does this cover security testing or Securafy's cybersecurity focus?
No — this course is specifically about functional unit testing and code coverage inside Visual Studio, not security-specific testing practices.