App Testing Services: What Are Use Cases and How These Can Benefit Testing?

App Testing Services: What Are Use Cases and How These Can Benefit Testing?

App testing services help to ensure that a given software product performs it functions and there are as few defects as possible.

Use case is a separate, independent action that is performed by a user to obtain a certain meaningful result or accomplish a particular goal. One use case can cover several similar tasks related to the same goals. Therefore, it is a set of related usage scenarios, where the scenario is a separate example of the use case. You can start developing requirements with abstract use cases, and then use them to create specific usage scenarios, or, conversely, to change a certain scenario for a more expanded use case. There is a template for documenting the use case. Major elements of the use case description include:

• Unique identifier.
• Name, which briefly describes the tasks of users in the “verb + object” format, for example, “place an order”; short text description in natural language.
• List of preconditions that must be met before starting the development of the use case; output conditions describing the state of the system after the successful completion of the use case’s development.
• Numbered list of actions, illustrating the sequence of the stages of interaction between the person and the system, from the preconditions to the output conditions.

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One scenario is considered to be a use case’s normal course, which is also called the main direction, the basic direction, the normal flow, the main scenario, the main successful scenario and the favorable path. The normal course of the “Chemical Request” use case is the request for a chemical that is stored in the warehouse.

Other valid use case scenarios are called alternative courses or secondary scenarios. They can also enable the successful accomplishment of a task and satisfy the postconditions of a use case. However, they represent variations of the task’s solutions or the dialog sequence necessary to accomplish the task. At a certain decision point, in a dialogue sequence, a normal course can turn into an alternative course, and then return back to normal.

Installation testing services help a user to correctly install all the necessary elements so that the first interaction with the product can create a good impression with the user!