What is UAT in Agile?


In traditional (waterfall) development methodologies, UAT is typically a distinct and late-stage phase. However, in Agile methodologies, UAT is integrated throughout the iterative development process.

Here's how UAT fits into the Agile framework:

1.    Continuous Feedback: Agile emphasizes continuous feedback from stakeholders and end-users. This means that instead of waiting until the end of the development process to conduct UAT, user acceptance can be sought throughout the development lifecycle.

2.    User Stories and Acceptance Criteria: In Agile, requirements are often captured as user stories. Each user story has associated acceptance criteria, which define the specific conditions that must be fulfilled for the story to be considered complete. These acceptance criteria effectively act as a basis for UAT for that user story.

3.    Iterative Development: Since Agile promotes iterative development through sprints or iterations (in methodologies like Scrum), UAT can be conducted at the end of each sprint. This ensures that the increment of the product developed during that sprint meets the user's expectations and acceptance criteria.

4.    Definition of Done: In Agile teams, there's often a "Definition of Done" (DoD) which specifies the criteria that a feature or user story must meet to be considered complete. Incorporating UAT or acceptance criteria verification into the DoD ensures that user validation is an essential part of the completion of any feature.

5.    Collaboration and Communication: Agile promotes close collaboration between developers, testers, product owners, and stakeholders. This collaboration ensures that any gaps between user expectations and the developed feature can be identified and addressed quickly.

6.    Tools and Automation: In some Agile environments, automated acceptance tests are written (often using Behavior Driven Development or BDD tools like Cucumber) to quickly validate that features meet their acceptance criteria. These automated tests can be run frequently, ensuring that regressions haven't been introduced as new features are developed.

In summary, while UAT is a concept that exists across various software development methodologies, its implementation in Agile is more continuous and closely tied to the ongoing development process. Integrating UAT throughout the Agile process ensures that the software is always aligned with user needs and expectations.

 

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