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TDD Fundamentals in C# (Udemy.com)

This course covers the fundamentals of Test Driven Development using C# as the language of practice

Created by: DevFluence

Last updated November 2022

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What you will learn

  • Structure a unit test (Understand the anatomy of a good test)
  • Structure Test Classes and projects
  • Understand Testing Strategies and approaches
  • Identify Boundaries and Equivalence Partitions
  • Name a Test
  • Break dependencies with Test Doubles
  • Grow a requirement using TDD
  • Balance high level design with TDD practice
  • Recognize the Flow/Cadence/Rhythm of TDD
  • Understand how bad tests show high code coupling and how good tests show low coupling

How it compares

Against the other 281 rated Udemy courses in Software Testing on CourseDuck:

  • Rating4.7 out of 5higher than 87% of them
  • Reviews142#237 of 282 by number of reviews
  • Length10.2 hourslonger than 66% of them
  • Last updatedNovember 2022earlier than 76% of them

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Course Description

TDD stands for Test-Driven Development. It is a software development process for developing an application by using automated tests as the primary tool for development. These tests are written before coding and are the primary unit of quality ensuring that coding is correct, reliable and bug-free.

TDD has become widely accepted by the .NET developer community as an essential skill in today's world of web applications, service-oriented architectures and desktop application development. The TDD Fundamentals in C# course is a step-by-step C# programme designed to make you a more proficient C# Developer by teaching you the skill of TDD. It covers the fundamentals of Test-Driven Development enabling you to get up to speed quickly within the practice of TDD in C#.

The TDD Fundamentals in C# course is very hands-on: you will spend your time learning the practice of Test Driven Development through a sequence of coding exercises interspersed with theory. This course has been run in person dozens of times with a variety of groups, and through this process we have honed the process of teaching and learning TDD.

Target outcomes:

  • Understand what TDD is and why you would want to practice it

  • Understand the anatomy of a test, and how to write good unit tests

  • Understand and use the flow of Test-Driven Development and to use a toolbox of tools and techniques on what to do if they are not experiencing this rhythm.

  • Understand how high-level design and TDD work together to achieve great designs

  • Write Unit Tests for a reasonably complex solution that are maintainable into the future.

  • Take a requirement (User Story/Use Case) and implement the relevant tests and code.

  • Write far more loosely coupled code by using the appropriate Test Doubles.

  • Use the appropriate mocking framework for dynamically creating the appropriate test doubles

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Instructor Details

DevFluence

Our courses have been developed by DevFluence, a professional software development school that is a division of Chillisoft. Chillisoft is an established software development house that is known for our high quality, software professionalism and our excellent delivery track record. Chillisoft set up DevFluence to share the pragmatic lessons that have we learned in writing and delivering software, whilst working with international software teams and businesses for more than 14 years.

DevFluence’s vision is to make Software Professionalism a reality in the world of work. This is achieved by ensuring that our team and our offerings actively embody our vision statement – “the courage to create value for myself, my customers and my community.”

Our vision statement recognises that software competency is directly dependent on fulfilling an individual’s internal drivers of motivation. It also recognises the individual agency and voice of a software developer who has to deliver value within an existing culture. DevFluence recognises the courage of business and software developers who deliberately commit to instilling practices that enables continual learning for career growth.

All Our Instructors:

● Have a minimum of 10 years of solid software development experience

● Are current software practitioners

● Are trained to teach, listen and communicate

● Are engaged in the software community

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Reviews

4.7

142 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Matías Ezequiel Sánchez Aradas on 10/11/2025

The course is good, but volume is all over the place, it makes it hard to follow along

By Steen Pedersen on 7/27/2025

Very inspiring course! Learned a lot and made me think about coding differently.

By Stephen Harrigan on 5/15/2024

Excellent course with minor flaws, strongly recommend. I've pointed a few people already to it. I've often felt like I've been developing not quite right. Like there's something missing. TDD goes a long way to helping organize thoughts, and how to start when you don't even know what problem you're trying to solve. I interact with a lot of new programmers and it feels like if TDD could be expressed well it would go a long way to explain what programming actually is and what you should be doing. Much of the course involved using APIs that were new to me (NUnit, NSubstitute), and I struggled to find good documentation on them. This was the source of most of the difficulty I had. It would be helpful if there were some good links so I didn't have to hunt them down myself. While that's a very real part of programming, I bought this course to save myself research time. There's a bit of a twist at the end I have some mixed feelings about with a scenario that aims to simulate working on a project with changing requirements. There's a part at the end which is fairly arbitrary. I think I understand what they're trying to accomplish with it, but it's not well explained.

By Massimiliano Scarpetta on 10/2/2023

Perfettamente adatto ad un livello intermedio/avanzato di c#. Insegnao molte altre cose e non si fermano solo alle basi del TDD.

By Betty on 4/10/2023

Excellent course. I especially appreciated the katas which teach things that theory can't teach.

By SmartSkills SPRL - BE0598.961.736 on 4/5/2023

Crystal clear, entertaining enough to focus the attention.

By Osmair Freitas on 12/16/2022

excellent material, but... only 720p video

By Elizabeth on 12/2/2022

I love how the instructor explains concepts clearly

By Buzz on 9/25/2022

Yes, just what I needed to understand the structuring and strategy of TDD.

By Michael Mahachi on 8/28/2022

Great course, all the concepts were clearly explained.

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Overall Score : 94 / 100