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Mastering C# Unit Testing With Real-World Examples

Published 4/2024
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz
Language: English | Size: 419.89 MB | Duration: 1h 3m

Learn C# unit testing best practices by refactoring real-world examples.

 


What you'll learn

Use builder methods to simplify your tests

Write tests for multiple test values to make your tests more maintainable

Choose good names to express the intent of your tests

Use simple test values to make your tests easier to follow

Write domain-specific assertion methods to have more readable tests

Requirements

Basic knowledge of writing unit tests with a testing framework like MSTest

Understading of mocks and mocking libraries like Moq

Familiarity with the Arrange/Act/Assert pattern

Description

You've learned the basics of unit testing in C#, but you still struggle with writing tests that are easy to read and maintain.You've seen too many online tutorials testing a Calculator class, but you want to learn how to test real code. Code with dependencies, validations, and edge cases. Code that looks like the code you find every day at work.That's why I created this course.No more unit testing the Add method of a Calculator class.In this course, let's refactor some real unit tests to make them more readable and maintainable. Although I changed names, classes, and methods to avoid disclosing code from past clients and employers, these are the tests I had to work with as a software engineer. You will learn how to transform messy and convoluted tests into readable and maintainable tests using best practices and proven principles and methods.Who is this course for?This course is for you if you are:A C# developer who wants to level up your unit testing skills and write better testsA C# developer who is tired of boring and unrealistic tutorials and wants to learn from real code examplesAfter you follow this course, you will be able to:Use builder methods to simplify your testsWrite tests for multiple test values to make your tests more maintainableChoose good names and use simple test values to make your tests easier to followWrite domain-specific assertion methods to have more readable testsMastering these skills will help you to write tests easy to follow. The next time you open one of your tests, you won't need to scratch your head trying to figure out what you were doing.This is not an introductory course on unit testing. You should have some basic knowledge of writing unit tests with a testing framework like MSTest, a mocking library like Moq, and the Arrange/Act/Assert pattern.What is inside?In this course, you will get access to:Eight principles or lessons that cover different best practices for unit testingMore than ten unit tests that show real code examples that need refactoringFour exercises that challenge you to apply what you learned and refactor a unit test on your ownA checklist that summarizes the best practices from the courseSource code of all the unit tests before refactoring them

Overview

Section 1: Introduction

Lecture 1 Getting Started

Section 2: On Builders

Lecture 2 Use Builder Methods

Lecture 3 Test IOptions Interface

Lecture 4 Make Test Values Obvious

Section 3: On Testing With Multiple Values

Lecture 5 Use Parameterized Tests

Lecture 6 Use FluentValidation Helpers

Lecture 7 Use Parameterized Tests Instead of Loops

Lecture 8 Test a Single Concern Per Test

Lecture 9 Test Exception Messages

Lecture 10 Use Object Mothers

Lecture 11 Exercise: Refactor a Test That Uploads Guests

Section 4: On Mocks and Simplicity

Lecture 12 Use Fakes in Unit Testing

Lecture 13 Create Fakes With Moq

Lecture 14 Visually Structure Tests

Lecture 15 Use TypeBuilder

Lecture 16 Avoid Overspecification

Lecture 17 Use Simple Test Values

Lecture 18 Exercise: Refactor a Test That Merges Dictionaries

Section 5: On Public Behavior and Hiden Assumptions

Lecture 19 Test Public Behavior

Lecture 20 Create a Custom Verify Method

Lecture 21 Exercise: Refactor a Test That Stores an Email With Duplicated Addresses

Lecture 22 Avoid Hidden Assumptions

Lecture 23 Exercise: Refactor a Test That Updates an Email Status

Section 6: Conclusion

Lecture 24 Wrap-up

C# developers looking to improve their unit testing skills and write readable and maintainable tests,C# developers tired of boring and impractical tutorials that prefer to learn through real-world code examples

 

Mastering C# Unit Testing With Real-World Examples


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