Back-end Engineering

4 courses

Test Driven Development in C#, xUnit, and Moq

Master TDD in C# using xUnit - write tests first, implement code, and refactor. Learn test doubles with Moq framework to isolate components. Create cleaner, more maintainable code while reducing bugs and improving development efficiency.

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This learning path includes:

4 courses with bite-sized lessons and practices

21 engaging lessons in text and video formats

99 hands-on practices

One-on-one guidance from Cosmo, our AI tutor

Verified skills you'll gain

INTERMEDIATE

Programming, Algorithms, and Data Structures

INTERMEDIATE

Computer Science Fundamentals

Tools you'll use

.NET Core

moq

TypeScript

xUnit

Trusted by learners working at top companies

6 lessons

27 practices

Foundations of TDD in C# & xUnit: The Principles

An intro to Test Driven Development (TDD) in C# using xUnit. Covers TDD principles (Red/Green/Refactor), setup, and writing testable code using SOLID and dependency injection. Compares TDD with traditional approaches and examines impacts on code quality and development velocity.

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5 lessons

25 practices

Red-Green-Refactor: Practicing TDD with C# and xUnit

Hands-on practice course focused on mastering the TDD "Red-Green-Refactor" cycle in C# with xUnit. You'll write failing tests, implement code to pass them, and refactor while maintaining passing tests. Pure practice - no new concepts introduced.

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5 lessons

26 practices

Isolating Dependencies with Test Doubles with C#, xUnit, & Moq

Intro to test doubles in software testing - learn about dummies, stubs, spies, mocks, and fakes in xUnit. Covers using Moq framework to isolate tests, control behavior, and create maintainable test suites.

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5 lessons

21 practices

Refactoring by Leveraging Your Tests with C# & xUnit

Deep dive into the Refactor phase of TDD. Learn to spot code smells and apply refactoring techniques using real examples, while keeping tests passing to preserve functionality.

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Meet Cosmo: The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

Whether you’re leveling up or just starting out, find your next step here.