Published: 23 January 2024
Engineering practices focused on technical excellence and good design are essential to the frequent delivery of valuable software. Software engineers must adopt test-driven development to continuously improve the design, quality, maintainability and reliability of their software systems.
Adoption of test-driven development (TDD) increases team skills, accountability, predictability and collaboration. It also improves design and provides feedback that enables innovation, reduces rework, improves forecasting and increases maintainability.
TDD is a practice for creating better code. A comprehensive suite of unit tests created as part of TDD provides accurate, precise and unambiguous living documentation of what the system actually does.
Successful adoption of TDD requires developers to replace old ways of working and develop new skills. Developers new to TDD will struggle as they learn to write a test before writing the code,and even experienced developers neglect to improve
Clients can log in to view the entire document.
Analysts:
Gartner research, which includes in-depth proprietary studies, peer and industry best practices, trend analysis and quantitative modeling, enables us to offer innovative approaches that can help you drive stronger, more sustainable business performance.
Our independence as a research firm enables our analysts to provide unbiased advice you can trust.
Not only is Gartner research unbiased, it also contains key take-aways and recommendations for impactful next steps.
Our research practices and procedures distill large volumes of data into clear, precise recommendations.
We provide actionable, objective insight to help organizations make smarter, faster decisions to stay ahead of disruption and accelerate growth.
We offer one-on-one guidance tailored to your mission-critical priorities.
We work with you to select the best-fit providers and tools, so you avoid the costly repercussions of a poor decision.
Connect directly with peers to discuss common issues and initiatives and accelerate, validate and solidify your strategy.
Gartner clients can log in to access the full library.
Attend a Conference
Experience Information Technology conferences
With exclusive insights from Gartner analysts on the latest trends, sessions curated for your role and unmatched peer networking, Gartner conferences help you accelerate your priorities.
Gartner Identity & Access Management Summit
Las Vegas, NV
© 2026 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner is a registered trademark of Gartner, Inc. and its affiliates. This publication may not be reproduced or distributed in any form without Gartner's prior written permission. It consists of the opinions of Gartner's business and technology insights organization, which should not be construed as statements of fact. While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartner business and technology insights may address legal and financial issues, Gartner does not provide legal or investment advice and its insights should not be construed or used as such. Your access and use of this publication are governed by Gartner’s Usage Policy. Gartner prides itself on its reputation for independence and objectivity. Its insights are produced independently by its business and technology insights organization without input or influence from any third party. For further information, see Guiding Principles on Independence and Objectivity. Gartner publications and other content may not be used as input into or for the training or development of generative artificial intelligence, machine learning, algorithms, software or related technologies.
