https://engineering-leadership-preview.hinshelwood.com/tags/test-first-development/ Recent content in Test First Development on Engineering Leadership in AI & Software Hugo en Tue, 16 Jun 2026 17:40:35 +0000 https://engineering-leadership-preview.hinshelwood.com/videos/stop-testing-quality-in-how-shifting-left-builds-better-software-faster/ Mon, 18 Aug 2025 06:00:00 +0000 https://engineering-leadership-preview.hinshelwood.com/videos/stop-testing-quality-in-how-shifting-left-builds-better-software-faster/ Relying on testers to catch issues late in the process increases costs, slows feedback, and undermines product trust; instead, quality should be built in from the start by moving tests and feedback as close to the engineer as possible. Key practices include automating builds and tests, adopting continuous integration and delivery, using test-driven development, and incrementally improving code quality. Development managers should focus on empowering engineers to own quality, relentlessly shortening feedback loops, and making incremental improvements to achieve faster, more reliable releases. https://engineering-leadership-preview.hinshelwood.com/articles/you-are-doing-it-wrong-if-you-are-not-using-test-first/ Mon, 07 Dec 2020 12:00:58 +0000 https://engineering-leadership-preview.hinshelwood.com/articles/you-are-doing-it-wrong-if-you-are-not-using-test-first/ Using test-first approaches like Test Driven Development helps teams deliver software that meets customer needs, reduces maintenance costs, and prevents bugs from reaching production. Writing tests before coding ensures validation at every step, shortens feedback loops, and makes it easier and cheaper to fix issues early. To improve quality and enable confident continuous delivery, development managers should encourage their teams to adopt test-first practices. https://engineering-leadership-preview.hinshelwood.com/tags/test-first-development/ Tue, 25 Mar 2025 07:40:33 +0000 https://engineering-leadership-preview.hinshelwood.com/tags/test-first-development/ Test First Development is a contemporary engineering practice that emphasises the importance of defining success criteria before the actual implementation of software begins. Originating from the need for clarity and quality in software delivery, this approach involves establishing tests, whether through examples, specifications, or executable tests, prior to coding. This shift-left strategy enhances collaboration among developers, testers, designers, and product owners by ensuring a shared understanding of what constitutes a successful outcome. Test First encompasses both manual and automated validation methods, with a preference for automation due to its ability to facilitate rapid feedback, support continuous integration, and mitigate regression risks. While manual testing serves a role in exploratory validation, automated practices like Test-Driven Development (TDD) and Acceptance Test-Driven Development (ATDD) are more effective in driving design and exposing ambiguities. Importantly, Test First transcends traditional testing; it is fundamentally a design, collaboration, and feedback practice that streamlines workflows by aligning expectations early and grounding development efforts in actual customer needs. By adopting Test First, teams can significantly reduce rework and enhance the overall quality of their software products, making it a valuable methodology in agile, DevOps, and product development contexts. https://engineering-leadership-preview.hinshelwood.com/tags/acceptance-test-driven-development/ Tue, 11 Feb 2025 10:17:24 +0000 https://engineering-leadership-preview.hinshelwood.com/tags/acceptance-test-driven-development/ Acceptance Test Driven Development (ATDD) is a collaborative methodology that prioritises the establishment of clear, testable acceptance criteria prior to feature implementation. Originating from the need for alignment among stakeholders, such as product owners, developers, and testers, ATDD ensures a shared understanding of success metrics for features, thereby minimising miscommunication and the potential for rework. This approach enhances the predictability and sustainability of value delivery by integrating quality assurance early in the development process, promoting a shift-left mindset that allows teams to identify and resolve issues proactively. The emphasis on early testing not only improves software quality but also nurtures a culture of collaboration and shared accountability within teams. Furthermore, the long-term advantages of ATDD extend beyond immediate project results; it fosters a systematic working method that encourages continuous improvement and adaptability to evolving requirements. By consistently implementing ATDD, organisations can enhance their agility and efficiency in delivering higher value to customers, making it a fundamental practice that reinforces the overall development process and keeps teams focused on what is essential for the business and its users. https://engineering-leadership-preview.hinshelwood.com/tags/test-driven-development/ Tue, 11 Feb 2025 10:17:24 +0000 https://engineering-leadership-preview.hinshelwood.com/tags/test-driven-development/ Test Driven Development (TDD) is a software development methodology that prioritises the creation of automated tests prior to writing the actual code. Originating from the need for a structured approach to software design, TDD ensures that development is guided by the requirements specified in the tests, which clarifies the intended functionality of the software. This practice is crucial in the context of Agile and DevOps as it promotes a culture of quality and accountability, allowing teams to deliver consistent and sustainable value. By embedding testing into the development lifecycle from the beginning, TDD significantly reduces the risk of defects and simplifies the process of refactoring, with tests acting as a safety net. The long-term advantages of TDD extend beyond immediate improvements in code quality; it fosters a mindset of continuous improvement and adaptability among team members. This approach aligns seamlessly with Agile principles, enhancing collaboration and responsiveness to change while supporting technical excellence. By focusing on test coverage, teams can confidently introduce new features and enhancements, ensuring that existing functionalities remain intact. Ultimately, TDD not only improves individual projects but also cultivates a culture of reliability and trust within the organisation, leading to better outcomes for stakeholders and customers.