Offshore Software QA Services: Quartet of Recognized Software Testing Levels & Their Interdependence on Each Other

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Software testing is a complex process which includes various types of verification. Each such analysis has its own goals and characteristics and can be executed in a special way, dissimilar to the manner of execution of other testing types.

Different software testing techniques are used to inspect the software product during its development life cycle. There are four main software testing levels which are meant to find missing parts as well as prevent repetition and overlap during the development process. Models of SDLC contain the following phases: requirements elicitation and analysis, design, programming and implementation, testing and release. Each phase is subjected to testing.

Offshore software qa services help to deploy a successful software application meeting product delivery deadlines and quality standards. Using a huge variety of testing tools and methods, outsourcers can uncover all possible defects present in a software app. The services are intended to offer cost effective and innovative solutions for IT products.  

Today’s software systems become very complicated; besides, they have different levels and as they grow as new, more complex functions are added to them.

Finally, Let Us Explore The Four Software Testing Levels:  

Unit testing: It is a software development process through which many smallest testable parts known as units are carefully inspected. Each such part must function properly. The whole system will be functioning properly if all its components work properly. The goal of unit testing is to validate whether individual units of software app are working as intended.

Integration testing: It follows unit testing. After each piece of the code has been tested separately, it is integrated with the rest of the program’s units and they are tested as a group. It is not always that multiple units will function correctly when combined together. Integration testing focuses on examining functionality and behavior of the code after the integration has been made. Outsourced testing is a wide-ranging subject area which encompasses various testing activities needed to ensure the successful launch of software products.

System testing: The whole integrated system is tested to make sure that it is in compliance with its specified requirements. Following integration testing, this verification is carried out to evaluate how the app interacts with the system, to understand if they are compatible or not.

Acceptance testing: It is the final testing level which follows the three abovementioned levels. This process is aimed at ensuring that the software under development fulfills its acceptance criteria. Testing outsourcing companies conduct acceptance tests to determine whether or not the product is ready for deployment. Outsourcing acceptance testing often appears to be a simple and cost-efficient solution to frustrations of organization management.

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