What is the Difference Between Unit Tests and Functional Tests? with Proper Definition and Brief Explanation

The main difference between the unit test and the bump test is that the test unit verifies the individual modules or units of the system, while the bump test verifies the features or functionalities of the system.    

Software testing is an important functionality in software development. It helps to provide working and reliable software for clients. There are several types of tests, and unit and functional tests are two of them. The unit test ensures that the units or modules in the system are working properly. On the other hand, functional testing verifies that the system has been tested against functional requirements or specifications.

Key areas covered                            Unit Tests and Functional Tests

1. What is unit testing?
     – Definition, Functionality
2. What is the functional test?
     – Definition, Functionality
3. What is the relationship between the unit test and the functional test?
     – Association scheme
4. What is the difference between unit tests and functional tests?
     – Comparison of key differences

Key terms                                                                                             Unit Tests and Functional Tests

Unit Tests, Functional Tests

What is unit testing?

Unit test is a type of test that verifies whether individual modules are working properly. Check if each independent module is working properly. The goal of this unit test is to isolate each module in the system and test each one separately.

For example, suppose a library management system. The system administrator must log in to the system to operate the system. You must enter a valid username and password to log into the system. So checking if the login modules are working properly is a unit test example. In general, developers perform unit tests.

What is the bump test?

Functional tests are a type of test that ensures that the software works according to specified requirements. It involves testing all the major functionalities of the software. Also, the software tester can use multiple inputs to check the corresponding outputs. You can compare the actual results with the expected results. Functional testing also involves testing the user interface, the database, etc.

For example, suppose a library management system. This system has various functionalities such as login, add new member, update member, add book, update book, search book, view book details, borrow, return book, view member details, search member and late fee payment . Functional testing therefore involves testing all of these functionalities to verify if each of them works as expected.

Relationship between unit test and functional test

  • The unit test is a type of functional test.

Difference between unit tests and functional tests

Definition

Unit testing is a level of software testing where you test individual units of a piece of software. In contrast, functional testing is a software testing process used in software development where you test the software to ensure that it meets all requirements. So this is the main difference between unit tests and functional tests.

Main functionality

Another difference between the unit test and the bump test is that the unit test checks the functionality of individual modules or units, while the bump test checks if the system is working according to the requirements.

conclusion

The main difference between the unit test and the bump test is that the unit test checks the individual modules or units of the system, while the bump test verifies the features or functionalities of the system. In short, the unit test is a type of functional test.

Reference:

1. TutorialRide.com “Software Trial Types”, Available here.
2. “Software Trial Levels”, TutorialRide.com, Available here.

Courtesy Image:

1. “Magnifying Glass Testing” (Public Domain) via PublicDomainPictures.net

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