Unit Testing Dotnet (.NET) Application with xUnit .net & MOQ from Udemy

Updated for ASP.NET Core 8.0

Welcome to the ultimate online course for Unit Testing .NET Projects with xUnit. If you want to master the art of unit testing in the world of .NET development, you're in the right place.

In today's competitive software industry, solid unit testing skills are essential, and xUnit .net is your ticket to success. Developed as an open-source unit testing tool, it's the go-to choice for C#, VB .NET, and F# projects in Visual Studio. By becoming proficient in this powerful tool, you'll gain the ability to tackle crucial .NET core development tasks with ease.

Throughout this comprehensive course, you'll delve into the core concepts of xUnit .net, learning how to craft compelling and well-organized unit tests tailored to your .NET core applications. Explore data-driven testing capabilities, harness the potential of mocking frameworks like MoQ, and master the art of test-driven development (TDD). We'll show you how to test legacy (old) code effectively and write unit tests for ASP .NET Core MVC applications.

The best part? You don't need any prior knowledge. All you need is a positive attitude and a thirst for learning. Have questions? We've got you covered. Our interactive Q&A section allows you to seek clarification and guidance anytime, fostering an engaging learning environment.

Don't miss out on this opportunity to elevate your .NET development skills. Enrol now and embark on a journey towards becoming a confident and proficient unit testing expert with xUnit .net. Your future in .NET development starts here. Join us today.

What's inside

Learning objectives

Learn all the features and capabilities of xunit .net
Learn writing unit tests using the mocking technique and xunit
Learn how to write unit tests for legacy (old) applications

Learn test driven development (tdd) with xunit
Learn how to measure test coverage
Take the interview questions and get ready for your next interiew

Learn all the features and capabilities of xunit .net
Learn writing unit tests using the mocking technique and xunit
Learn how to write unit tests for legacy (old) applications
Learn test driven development (tdd) with xunit
Learn how to measure test coverage
Take the interview questions and get ready for your next interiew

Syllabus

Introduction

Get to know your instructor and underestand the goals of the course

XUnit .Net is a Free and Open Source unit testing framework for .Net and .Net Core applications. It can be used to test Xamarin applications as well.

Learn about the main features and design goals of XUnit .Net

Learn that how you will add the required NuGet packages and how you will write your first ever test method with XUnit

Execute Unit Tests in Visual Studio

Execute Unit Tests via Command Line

Execute Unit Tests with ReSharper

Phases of Unit Testing

Asserts

The Assert Phase

Asserting numeric values

Asserting string values

Asserting boolean values as well as null values

Asserting Collections

Asserting a range of values

Asserting Exceptions

Asserting object types

Arrange Phase, and Managing Tests

Collections and Traits

Class Fixtures and IClassFixture

Constructors and IDisposable

Collection Definition

Parallel Execution of Tests

Data Driven Tests

Data Driven Tests in XUnit .net and the "Theory" attribute

Passing parameters to unit tests with inline attributes

Sharing test data across multiple unit test methods

Passing parameters to unit tests from external resources

Sharing test data across multiple unit test methods with custom attributes

Mocking and Unit Testing with MOQ & xUnit

What is Mocking ?

Creating the xUnit Test Project

Writing our first test with Mock and xUnit

Testing when ModelState is invalid

Setting Up the Mocked Objects

Writing a Test with Arrange, Act and Assert Format

Legacy code is refered to a code that is old and is not architecturally ready for unit testing. For example, dependency injection and abstraction are not used.

Introduction to Unit Testing and Legacy Code

The "Sprout Method" Technique

The "Sprout Class" Technique

Test Driven Development (TDD)

Introduction to Test Driven Development

Test Driven Development with xUnit.net

More xUnit.net

Measuring Unit Test Coverage

Interview Questions

Interview around unit testing with C# and .NET Core

Bonus Lectures

Bonus: Using AI for Generating Unit Tests Automatically

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Teaches skills, knowledge, and tools that are highly relevant in industry

Teaches skills, knowledge, and tools that are highly relevant in an academic setting

Covers unique perspectives are ideas that may add color to other topics and subjects

Taught by Aref Karimi, who are recognized for their work in .NET Development

Examines xUnit .NET, which is highly relevant to .NET development

This course offers hands-on labs and interactive materials

Reviews summary

Good for beginners, issues later

Learners say this Unit Testing Dotnet (.NET) Application with xUnit .net & MOQ course is excellent for beginners with clear and easy to follow lessons. However, around Chapter 19, the course seems to jump into advanced topics without proper explanation and there are some potential code issues in those areas, Some Q&A may also not be answered by the instructor.

Course is very clear and easy to follow for beginners.

"Starts out excellent."

"Very clear, easy to follow."

"Highly recommended for beginners (but he also covers advanced topics) compared to anything else I've watched on Xunit and TDD."

Instructor doesn't answer Q&A questions.

"I give him 1 star for not answering any questions since Spring 2019."

Course jumps into advanced topics without proper explanation.

"Then on Chapter 19 he starts using a Helper method that he doesn't explain."

"I got lost from that point on."

"He lost me on advanced topics of constructors, IDisposable, and Parallel Execution."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Unit Testing Dotnet (.NET) Application with xUnit .net & MOQ with these activities:

Review Basic Programming Concepts

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Strengthen your foundation by refreshing core programming concepts that are essential for effective unit testing.

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Go over basic data types, variables, and operators.
Review principles of object-oriented programming.

Join a Study Group for Unit Testing

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Enhance your learning through discussions and collaborative problem-solving with peers.

Browse courses on Unit Testing

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Find a study group or create one with fellow learners.
Discuss unit testing concepts, techniques, and challenges.

Explore Real-World Unit Testing Examples

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Gain practical insights by studying real-world examples of unit testing in various scenarios.

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Search online for open-source projects that utilize xUnit for unit testing.
Analyze how tests are structured, organized, and executed.

Six other activities

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Test Code Regularly

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Sharpen your unit testing skills by practicing regularly.

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Write small test cases that verify specific scenarios.
Automate tests to run regularly (e.g., using a CI/CD pipeline).

Practice Mocking Techniques

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Improve your ability to isolate dependencies and test specific components effectively.

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Create mock objects to replace dependencies.
Verify interactions with mock objects to validate behavior.

Write a Summary of Unit Testing Best Practices

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Solidify your understanding by creating a concise summary of the best practices for unit testing.

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Research and gather information on best practices.
Organize the information into a well-structured summary.

Develop Unit Tests for a Sample Project

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Deepen your understanding by implementing unit tests for a practical project.

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Choose a small-scale coding project to work on.
Design and write unit tests for the key functionality of the project.
Run the tests to validate your code and identify potential issues.

Explore Advanced Features of xUnit

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Expand your knowledge by exploring advanced capabilities of xUnit for more complex testing scenarios.

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Learn about parameterization, data-driven testing, and theory-based testing.
Practice using these features to handle various testing requirements.

Test Legacy Code Using Unit Testing

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Enhance your ability to handle challenges of testing existing and often complex codebases.

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Identify and prioritize testable areas within legacy code.
Refactor and restructure code to facilitate unit testing.

Career center

Learners who complete Unit Testing Dotnet (.NET) Application with xUnit .net & MOQ will develop knowledge and skills that may be useful to these careers:

Full-Stack Developer

As a Full Stack Developer, you take the XUnit .net skills you will learn and directly apply them to your projects. The data-driven testing techniques you become proficient in will help you create a better product. Additionally, in a career as a Full Stack Developer, you likely will be involved in code refactoring and legacy code updates. This course's emphasis on unit testing legacy applications will make you a better fit for this role.

See salaries and explore the career path for Full-Stack Developer

Software Test Engineer

Software Test Engineers are responsible for the quality assurance of a software product. This course will teach you how to write unit tests for .NET applications and the knowledge of how to write better, cleaner tests is valuable in the world of the Software Test Engineer. Mastering these skills will help you enter or advance your career in testing.

See salaries and explore the career path for Software Test Engineer

Software Developer

The key to being a Software Developer is the ability to write clean, maintainable code. This course will teach you how to write better unit tests using xUnit.net so that you can find and correct defects in newly written code. It also will help you with refactoring legacy code and ensure the quality of that code going forward.

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Quality Assurance Analyst

The skills you will learn in this course, such as writing unit tests and ensuring code coverage, will be directly applicable to a career as a Quality Assurance Analyst. This course will help you get the necessary skills to enter the field.

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Software Architect

As a Software Architect, you need to be familiar with best practices in software design and development. This course will teach you how to write clean, maintainable code and unit tests, an essential skill for building robust and reliable software systems. While not all Software Architects write unit tests, the skills learned in this course will help build a foundation for the work of a Software Architect.

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.NET Developer

As a .NET Developer, you will be responsible for developing and maintaining software applications. This course will teach you how to write unit tests for .NET applications, a critical skill for ensuring the quality of your code. Additionally, this course will teach you how to write unit tests for legacy applications, which is a common task for .NET Developers.

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Web Developer

Web Developers use their expertise in a variety of programming languages to create websites and web applications. This course will enhance your skills as a Web Developer by teaching you how to write unit tests and ensuring the quality of your code.

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Computer Programmer

Computer Programmers work to develop, test, and maintain software applications. This course will teach you how to unit test software using xUnit.net and MOQ, which will be helpful in this field.

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Systems Analyst

At its core, the job of a Systems Analyst is the analysis of existing systems or processes to create changes or implement entirely new systems. This course will help build a foundation for the problem-solving skills needed for this career.

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Database Administrator

Database Administrators ensure that an organization's data is secure and accessible. This course will help build a foundation for the organizational skills needed for this career.

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Data Scientist

Data Scientists collect and analyze data to help organizations make informed decisions. This course will help build a foundation for the research and analytical skills needed for this career.

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Project Manager

Project Managers plan and execute projects to achieve a specific goal. This course will help build a foundation for the leadership and time-management skills needed for this career.

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Business Analyst

Business Analysts analyze business processes to find ways to improve efficiency. This course will help build a foundation for the communication and problem-solving skills needed for this career.

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Technical Writer

Technical Writers create documentation for software and hardware products. This course will help build a foundation for the writing and communication skills needed for this career.

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Sales Engineer

Sales Engineers work with customers to identify and solve technical problems. This course will help build a foundation for the communication and problem-solving skills needed for this career.

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