Images Alpha & Beta Testing

What is Alpha Testing ?

Alpha testing is a type of acceptance testing; performed to identify all possible issues/bugs before releasing the product to everyday users or public.  The focus of this testing is to simulate real users by using blackbox and whitebox techniques. The aim is to carry out the tasks that a typical user might perform. Alpha testing is carried out in a lab environment and usually the testers are internal employees of the organization. To put it as simple as possible, this kind of testing is called alpha only because it is done early on, near the end of the development of the software, and before beta testing.

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Images Ad-hoc Testing

Ad hoc testing is a commonly used term for software testing performed without planning and documentation (but can be applied to early scientific experimental studies).

Adhoc testing is an informal testing type with an aim to break the system. This testing is usually an unplanned activity . It does not follow any test design techniques to create test cases. In fact is does not create test cases altogether! This testing is primarily performed if the knowledge of testers in the system under test is very high. Testers randomly test the application without any test cases or any business requirement document.

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Images Active & Passive Testing

Active Testing:-
In active testing tester introduced the test data and analyzing the results. For example, we will fill the tank of a car with 1 liter petrol and see it's average.

Passive Testing:-
Passive testing is monitoring the results of a running system without introducing any special test data. For example, a engine is running and we are listening it's sound to note noise pollution by engine.