There are many models used in software testing;
Definitions of these models will differ, however the fundamental principle are agreed on by experts and practitioners alike.
Verification and validation (V&V), the V-Model and briefly discuss a Rapid Application Development (RAD) approach to testing.
V&V – Verification is defined by BS7925 as the process of evaluating a system or component to determine whether the products of the given development phase satisfy the conditions imposed at the start of that phase i.e have we built the correct product?
Validation and verification : Software testing can be defined as ‘a process of execution a computer program and comparing the actual behaviour with the expected behaviour’.
There are many models used to describe the sequence of activities that make a Systems Development Life Cycle (SDLC) is used to described activities of both development and maintenance work.
Three models are worth mentioning.
- Sequential – the traditional waterfall model
- Incremental – the function incremental model
- Spiral- the incremental, iterative, evolutionary, Rapid Application Development, prototype model
I am concentating on three test models
- Water Fall Model
- V Model
- Agile Model
There are other methodology like :
- Clean Room Model
- Iterative
- RAD
- RUP
- Spiral
- TDD (Test-driven development)
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