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Test-Driven Development with C++
Test-Driven Development with C++

Test-Driven Development with C++: A simple guide to writing bug-free Agile code

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Test-Driven Development with C++

Desired Test Declaration

If we’re going to have a test-driven development (TDD) process, we need tests. This chapter will explain what the tests will do, how we will write them, and how we will use them.

We’ll be starting from the very beginning and slowly building a full library to help manage and run tests, and we’ll be using the test library to help build itself. Initially, there will only be a single test. The following chapters will add more capabilities and grow the test library.

Starting with the end goal in mind, we’ll first think about what it will be like to create and use a test. Writing tests is a big part of TDD, so it makes sense to start thinking about testing even before we have the ability to create and run tests.

TDD is a process that will help you design better code and then make changes to your code without breaking parts that you’ve already verified to be working as expected. In order for this process to work, we need to be able to write tests. This chapter will explore what tests can do for us and how we can write them.

We’ll cover the following main topics in this chapter:

  • What do we want tests to do for us?
  • What should a test look like?
  • What information does a test need?
  • How can we use C++ to write tests?
  • How will the first test be used?
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Key benefits

  • Learn how a simple shift in focus will let you use tests to meet customer needs
  • Develop a testing library and a logging library that you can use in your own projects
  • Drive better code designs with effective tests that help new team members contribute faster

Description

Modern, standard C++ is all that is needed to create a small and practical testing framework that will improve the design of any project. This allows you to think about how the code will be used, which is the first step in designing intuitive interfaces. TDD is a modern balanced software development approach that helps to create maintainable applications, provide modularity in design, and write minimal code that drastically reduces defects. With the help of this book, you'll be able to continue adding value when designs need to change by ensuring that the changes don't break existing tests. In this book, you will use test-driven development (TDD) to gain practical skills by writing a simple testing framework and then using it to drive the design of a logging library. The book will help you enhance your software development skills with test cases. You'll understand how to design and implement test cases. The chapters will also show you how to utilize the TDD approach to be more productive in software development than attempting to code in large unstructured steps. By the end of this book, you'll have gained knowledge of TDD and testing and also built a working logging library with unique features not found in other libraries.

Who is this book for?

This book is for C++ developers already familiar with and using C++ for daily tasks who want to improve their skillset. You don’t need to be an expert but you should already have some knowledge of modern C++ and how to use templates to get the most out of this book.

What you will learn

  • Understand how to develop software using TDD
  • Keep the code for the system as error-free as possible
  • Refactor and redesign code confidently
  • Communicate the requirements and behaviors of the code with your team
  • Understand the differences between unit tests and integration tests
  • Use TDD to create a minimal viable testing framework
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Nov 18, 2022
Length: 430 pages
Edition : 1st
Language : English
ISBN-13 : 9781803242002
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Length: 430 pages
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ISBN-13 : 9781803242002
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Table of Contents

20 Chapters
Part 1: Testing MVP Chevron down icon Chevron up icon
Chapter 1: Desired Test Declaration Chevron down icon Chevron up icon
Chapter 2: Test Results Chevron down icon Chevron up icon
Chapter 3: The TDD Process Chevron down icon Chevron up icon
Chapter 4: Adding Tests to a Project Chevron down icon Chevron up icon
Chapter 5: Adding More Confirm Types Chevron down icon Chevron up icon
Chapter 6: Explore Improvements Early Chevron down icon Chevron up icon
Chapter 7: Test Setup and Teardown Chevron down icon Chevron up icon
Chapter 8: What Makes a Good Test? Chevron down icon Chevron up icon
Part 2: Using TDD to Create a Logging Library Chevron down icon Chevron up icon
Chapter 9: Using Tests Chevron down icon Chevron up icon
Chapter 10: The TDD Process in Depth Chevron down icon Chevron up icon
Chapter 11: Managing Dependencies Chevron down icon Chevron up icon
Part 3: Extending the TDD Library to Support the Growing Needs of the Logging Library Chevron down icon Chevron up icon
Chapter 12: Creating Better Test Confirmations Chevron down icon Chevron up icon
Chapter 13: How to Test Floating-Point and Custom Values Chevron down icon Chevron up icon
Chapter 14: How to Test Services Chevron down icon Chevron up icon
Chapter 15: How to Test With Multiple Threads Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.5
(2 Ratings)
5 star 50%
4 star 50%
3 star 0%
2 star 0%
1 star 0%
Serban Stoenescu Jun 20, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The book takes you from an empty project, it doesn't use any libraries, it makes the reader build one and use the TDD methodology on the library itself (and on other projects in other chapters). It's very interesting to see what all the test macros generate and what is happening behind the scenes. As a bonus, the reader has the opportunity to learn some modern C++ concepts that they might not know, which are also explained pretty well. I was honored to do the technical review part of this book.
Amazon Verified review Amazon
Howard Lee Harkness May 05, 2023
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
I was personally disappointed in the approach the author used in the beginning of the book. The introductory material might make a good college text for "How to Build a Unit Test Framework," but only tangentially addressed how to write good, meaningful, unit tests. It's a bit like writing about how to write a compiler -- probably good to understand the general principals, but very few programmers will actually write (or even work on) a compiler. If not for the slow beginning, I probably would have given this book 5 stars instead of 4.It wasn't until chapter 8 (What Makes a Good Test?) that the author started to focus on how to write good unit tests. I consider chapter 8 to be the best chapter of the book, followed by chapters 12 (Creating Better Test Confirmations) and 13 (How to Test Floating-Point and Custom Values), where the author wrote about some theory behind constructing meaningful (and readable) unit tests, and a bit about the TDD process in general.The last third or so of the book was the most valuable (to me, anyway). I particularly like the treatment the author gave to unit testing of multi-threaded code.
Amazon Verified review Amazon
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