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Acceptance test–driven development (ATDD) is a development methodology based on communication between the business customers, the developers, and the testers. [1] ATDD encompasses many of the same practices as specification by example (SBE), [2] [3] behavior-driven development (BDD), [4] example-driven development (EDD), [5] and support-driven development also called story test–driven ...
Example Mapping is a simple technique that can steer the conversation and derive Acceptance criteria in a short time. The process breaks stories into Rules and Examples documented in the form of specification by example, and is a widely used technique in the BDD sphere. [5]
Some forms of acceptance testing are, user acceptance testing (UAT), end-user testing, operational acceptance testing (OAT), acceptance test-driven development (ATDD) and field (acceptance) testing. Acceptance criteria are the criteria that a system or component must satisfy in order to be accepted by a user, customer, or other authorized entity.
The appropriate amount of information to be included in the acceptance criteria varies by team, program and project. Some may include 'predecessor criteria', "The user has already logged in and has already edited his information once". [This quote needs a citation] Some may write the acceptance criteria in typical agile format, Given-When-Then.
Advanced practices of test-driven development can lead to acceptance test–driven development (ATDD) and specification by example where the criteria specified by the customer are automated into acceptance tests, which then drive the traditional unit test-driven development (UTDD) process. [18]
BDD suggests that software tests should be named in terms of desired behavior. [5] [7] Borrowing from agile software development the "desired behavior" in this case consists of the requirements set by the business — that is, the desired behavior that has business value for whatever entity commissioned the software unit under construction. [5]
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The INVEST mnemonic for Agile software development projects was created by Bill Wake [1] as a reminder of the characteristics of a good quality Product Backlog Item (commonly written in user story format, but not required to be) or PBI for short.