In the last topic we learned Acceptance Testing. In Software Testing we will look further at what the testing methods are. The first testing method is Black Box Testing. Come, let's see it in detail. In this lecture what will we learn? We will see Introduction, one example and how to use the Black box. Black box testing is a method where we will test the functionality of an application. That is even called specification testing. In software testing life cycle what we had seen before, this black box testing is done during that time. In this testing we will not consider the internal code’s working. We will only keep input and output in mind. This is an example that shows how we will do the Black Box testing. We are considering Input and Output. Now we will take an example. The OS that is the operating system when we install it on our laptop or on our Desktop. How do we check it? After installing the OS, we check that whichever software we are installing, whichever application we are going to install in the OS to use, is working or not. We will take one more example of the Registration Form. Like we have a registration form. So, if a user is registering, we will go in the database and check that all the field details have come as per form or not. What is the back process that is happening, how the data is flowing? We have no concern with that. Here we have been shown a few Black Box Testing Techniques like Decision table testing, All-pairs testing, Equivalence partitioning, Boundary value analysis, Cause-effect graph and Error guessing. We will learn this in detail, later on. Where is Black Box Testing used? The main purpose of Black Box testing is to validate the application. How the function is behaving in an environment that we need to validate. User inputs and outputs are coming as per the requirements or not, and with the right input there should be the right output. Note these Black Box testing techniques, so that it is easy to understand it going ahead. So, what did we learn? So, we learned black box testing and its example, which techniques are used in Black box testing and where and how the Black box testing is used. Now, in the next topic we will learn White Box Testing.
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