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Foundations of TDD in C# & xUnit: The Principles

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Details

Provider

CodeSignal
Pricing

Free Certificate
Languages

English
Certificate

Certificate Available
Duration & workload

4 hours
Sessions

On-Demand
Level

Intermediate

Found in

Part of

Test Driven Development in C#, xUnit, and Moq

Overview

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.

Syllabus

Unit 1: Lesson: Introduction to TDD with C#: What, Why, and How

Write a Test, Watch It Fail
Make the Test Pass
Refactor for Readability and Clarity

Unit 2: Generalizing Solutions with Test Driven Development (C#)

Write another failing test
Make it pass again
Refactor to use parameterized tests

Unit 3: The TDD Mindset: Thinking in Tests with C#

Defining the first test for Shopping Cart totals
Make it pass
Write another failing test
Make the Cart Total Function Work
Refactor Your Cart Total Function
Make it Red
Make it Green
Refactor!

Unit 4: Setting Up and Mastering Testing in C# with xUnit

Understanding Testing with XUnit in C#
Use some Verifiers
Refactor Test Setup with Constructors
Group Email Tests Using Nested Classes
Expect an exception
Write an async test

Unit 5: Managing Dependencies in TDD with C#

Write your first failing test
Make it pass
Refactor
Write a test that expects logging (Red)
Make the tests pass
Refactor the UserManager Class

Unit 6: Introduction to the AAA Pattern in TDD with C# xUnit

Refactor Tests with AAA Pattern

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