Software testing can be broken down into two main categories: white box and black box testing. A white box tester is usually a developer, as some degree of programming experience is required.
By contrast, it can be useful for black box testers to lack such technical perspective, as their experience of the software should closely resemble that of an end user. White box testing usually begins early in the development cycle.
It is conducted at lower levels, and includes unit and integration testing. Black box testing is mainly higher level, as in system and acceptance testing, so implementation comes later in the development cycle. Neither — they are both necessary and complementary. Same way, in Black Box testing, testers aren't bothered about the internal functioning of the application which they are testing.
Black box testing is performed from the end-user perspective and it is also known as Behavioural Testing. This ensures that any gaps in the applications for real users are identified. Black Box testing tests by using both valid and invalid input from the customer and gives the desired output or the error message which ensures that the application works properly in both positive and negative conditions.
Black box testing can be performed in various conditions and for various reasons, here are the some reason. Black box testing is an essential type of testing, we should always make sure that our teams do Black box testing.
It helps us remove any biases for the application and treat the application as a real user would do. Table of Contents. Software Testing Tutorial. Next Lesson. Share this post:. Functional and Non Functional Testing. Author: Virender Singh. I am Virender Singh, I have around 14 years of experience in the Technology domain.
By Lakshay Sharma. Types of User Acceptance Testing. Exploratory Testing is a Experienced Based Testing. How to do Exploratory testing.
Adhoc Testing. What is Adhoc Testing in Software Testing. Difference between Buddy and Pair Testing. QA Practices. It is a form of software test in which the application is treated as a black box. The tester of the application does not know the internal workings of the application.
Comparing White box testing and Black box testing, Black Box testing is focused on external or end-user perspective whereas White Box testing is focused on code structure, conditions, paths and branches.
Black Box test provides low granularity reports whereas the White Box test provides high granularity reports. Comparing Black box testing vs White box testing, Black Box testing is a not time-consuming process whereas White Box testing is a time-consuming process. Example Template What is Security Testing? Report a Bug. Previous Prev.
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