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2. Unit testing - Wikipedia

   en.wikipedia.org/wiki/Unit_testing

   Unit testing is the cornerstone of extreme programming, which relies on an automated unit testing framework. This automated unit testing framework can be either third party, e.g., xUnit, or created within the development group. Extreme programming uses the creation of unit tests for test-driven development.

3. Behavior-driven development - Wikipedia

   en.wikipedia.org/wiki/Behavior-driven_development

   Behavior-driven development (BDD) involves naming software tests using domain language to describe the behavior of the code. BDD involves use of a domain-specific language (DSL) using natural-language constructs (e.g., English-like sentences) that can express the behavior and the expected outcomes. Proponents claim it encourages collaboration ...

4. Test automation - Wikipedia

   en.wikipedia.org/wiki/Test_automation

   Test automation, mostly using unit testing, is a key feature of extreme programming and agile software development, where it is known as test-driven development (TDD) or test-first development. Unit tests can be written to define the functionality before the code is written. However, these unit tests evolve and are extended as coding progresses ...

5. Systems development life cycle - Wikipedia

   en.wikipedia.org/wiki/Systems_development_life_cycle

   Systems development life cycle. In systems engineering, information systems and software engineering, the systems development life cycle (SDLC), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. [1] The SDLC concept applies to a range of hardware and ...

6. V-model (software development) - Wikipedia

   en.wikipedia.org/wiki/V-Model_(software_development)

   Software development. In software development, the V-model[2] represents a development process that may be considered an extension of the waterfall model and is an example of the more general V-model. Instead of moving down linearly, the process steps are bent upwards after the coding phase, to form the typical V shape.

7. Waterfall model - Wikipedia

   en.wikipedia.org/wiki/Waterfall_model

   Waterfall model. The waterfall model is a breakdown of development activities into linear sequential phases, meaning they are passed down onto each other, where each phase depends on the deliverables of the previous one and corresponds to a specialization of tasks. [1] The approach is typical for certain areas of engineering design.