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Functional testing tools

Functional testing tools

Functional testing is part of product development when software is tested for compliance. Functional testing can be manual or automatic. Functional testing software usually provides some input so that you can evaluate the output to see how the software works.

Functional testing is one of the types of testing aimed at checking the compliance of the functional requirements of the software with its actual characteristics. The main objective of functional testing is to confirm that the developed software product has all the functionality required by the customer.

Depending on the purpose, functional testing may be conducted:

  • Based on the functional requirements specified in the requirements specification. At the same time, test cases are created for testing (testcases), the compilation of which takes into account the priority of software functions that must be covered by tests. Thus, we can make sure that all the functions of the developed product work correctly with different types of input data, their combinations, quantities, etc.
  • Based on the business processes that the application must provide. In this case, we are not interested in the performance of individual software functions, as the correctness of the operations performed, in terms of system usage scenarios. Thus, testing in this case will be based on options for using the system (usecases).

The aspects described above are implemented using the following types and levels of testing:

  • Modular (component).
  • Integration.
  • Systemic.
  • Regression.
  • Acceptance.

And many other types that provide complete and comprehensive testing of functional requirements for software.

Choosing the right functional testing tool in projects is key. Highly qualified testing professionals constantly update the set of tools used, as well as develop their own.

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F.A.Q about Functional testing tools

What is functional testing?

Functional testing is a segment of security testing. The security mechanisms of the system are tested, under operational conditions, for correct operation.

Functional testing verifies that the end user gets what he wants from the application. It involves testing to ensure that the tasks or the steps required completing functionality works well. Functional testing involves testing of functional requirements as per the specification.

What are the differences between system and functional testing?

System testing has classifications like functional and non-functional testing. Hence the functional testing is a part of system testing.

System testing allows the testers to test the typical end product. Every single module, interface and every minute detail are needed to be tested in system testing.

Functional testing is aimed at testing the functionalities of the product being tested. These functionalities include volume, stress, load, security, scalability, performance etc. Hardware and software are not concerned with functional testing.

Functional testing involves testing of functional requirements as per the specification. On the other hand, system testing involves testing the system as a whole. This may involve testing of proper installation and uninstalling of the application. System testing tests for all internal and external components that make the system.

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