Functional Testing
The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional requirements. Functional testing mainly involves black box testing and it is not concerned about the source code of the application. This testing checks User Interface, APIs, Database, Security, Client/Server communication and other functionality of the Application Under Test.
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Functional Testing
The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional requirements. Functional testing mainly involves black box testing and it is not concerned about the source code of the application. This testing checks User Interface, APIs, Database, Security, Client/Server communication and other functionality of the Application Under Test.
Functional Testing Techniques
There are many functional testing techniques you might use to design a test suite.
Boundary value tests
These tests evaluate what happens if inputs are received outside of specified limits – such as a user entering a number that was too large (if there is a specified limit) or attempting to enter non-numeric input.
Decision-based tests
These verify the results after a user decides to take an action, such as clearing the history.
User-based tests
These tests evaluate how components work together within an application – if the calculator’s history was stored in the cloud, this kind of test would verify that it did so successfully.
Ad-Hoc tests
Ad-Hoc tests can be done at the end to try and discover bugs other methods did not uncover by seeking to break the application and check its response
IOTASCALE's approach to Functional Testing
The prime objective of Functional testing is checking the functionalities of the software system. unctional Testing is an integral part of any software testing mechanism. It guarantees that a system operates exactly how it is meant to, in real-time. Given that functional testing occurs from a user's perspective, it results in the delivery of a high-quality product that meets customers' requirements and provides highly satisfactory user experiences. Naturally, this makes life easier for developers and business personnel alike.
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