Why Is Testing Necessary For A Developer’s Software?

Developers and testers form an important part of the team that develops software based on the scope established by clients. Their task is to create the software and check that it functions in a robust manner. 

Developer testing software assists team members to systematically check that the software according to the project specifications and using the test cases outlined in the software test strategy.

When software is developed by a team of professionals, before being sent to the client, it is checked by software testers. This team helps the developer(s) find out faults with the software by simulating end user experience. 

With the help of the feedback given by the team of testers, and the use of developer software tools, software testing experts rectify the errors to create a more robust product.

A major portion of testing the developed software also involves checking whether the coding done by two different engineers works when integrated. This step is important for software where the work is done by two independent developers but the two components need to run simultaneously.

There are various levels at which testing in software development takes places. The first level is the unit level testing. In this, the basic component of the software is tested.

This basic component is referred to as the module. Each module is checked to ensure that the detailed design that was there in the original plan has been correctly implemented. This ensures that the basic units of the software are designed properly and are working correctly.

Another level involves integration testing. In this stage, various modules are combined and checked. These combinations are checked at each and every stage. This process is repeated until all the modules are joined together to form the fully integrated functional software.

Subsequent to this is system testing. At this level, the software is checked against the system architecture to ensure it performs as intended with any third party system. This ensures that the software would not give any problems once the entire system is put in place.

In the end, acceptance testing is also performed. This test is carried out by the end user before accepting the program. This is generally performed after the final testing has been done. 

This is further subdivided into two more categories: Alpha testing and Beta testing. Alpha testing is performed by the end user independently but at the companys site only. In beta testing, the product is given for testing to people outside the company. They perform independent checks and report any bugs in the program.

Testing software is not just done by developers. In today's increasingly sophisticated environment, testing developer software follows numerous testing stages to ensure the software is defect free.

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