Software Engineering

238 learners

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.

.NET Core

TypeScript

xUnit

See path

6 lessons

27 practices

4 hours

Course details

Lesson: Introduction to TDD with C#: What, Why, and How

Preview

Write a Test, Watch It Fail

Make the Test Pass

Refactor for Readability and Clarity

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

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Francisco Aguilar Meléndez

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Faith Yim

Software Engineer

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It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Foundations of TDD in C# & xUnit: The Principles

Course details

Unit 13 practices26 min

Unit 23 practices26 min

Unit 38 practices56 min

Unit 46 practices44 min

Unit 56 practices44 min

Unit 61 practice14 min

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From our community