Contribution of Software Testing Service Providers to the Development Life Cycle

Contribution of Software Testing Service Providers to the Development Life Cycle

Testing is not a separate process; it is closely related with other activities carried out at each phase of software development life cycle. Success of every second software app or project depends on work of software testing service providers. Different software development models require different approaches to testing.

V-Model (sequential development model)

Though there is a diversity of V-models, all of these processes use 4 software testing levels that correspond to 4 stages of the development process.

These 4 testing levels are:

• Component (module) testing
• Integration testing
• System testing
• Acceptance testing

As practice shows, V-shaped development model can have more or less levels of development & testing, all depends on a particular project or an application being manufactured. For instance, component integration testing can be conducted after component testing is completed, but system integration testing can follow system testing.

Software artifacts (such as use cases or business scenarios, technical requirements, software design documents and the code) created during the development process are often used for one or more testing levels. Links to original actual software artifacts are available at “Capability Maturity Model Integration” and “Software Lifecycle Processes”. Verification and validation processes can be performed during software development phase. Do you know that it is quite reasonable to outsource QA? Opting for offshore testing service all you will be able to lower costs associated with failure of software app. At that you will not have to make huge investments required for rigorous onshore testing activities.

Iterative-incremental software development models

Iterative-incremental software development is a process based on requirements, design, incremental implementation and testing of a system. Examples of this methodology are as follows: prototyping, rapid app development (RAD), Agile software development models, Rational Unified Process (RUP). During each iteration, several levels of testing can be done on a system developed through a series of short iterations (repeated cycles).

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