Technical articles

Practically every website contains web forms, whether it’s a simple feedback form or a new user registration process. To ensure that the data sent by the user is correctly received and processed, it’s necessary to check that the web form is filled out correctly. This is done through validation. Valid data can be sent to the server and stored in the database. In case the user has made a mistake when filling out the form (intentionally or not), the data should not be saved to the database.

The hover state defines the style of the element after hovering the cursor over it. Hover helps to make the design of the site more interesting and encourages the user to get more information about the subject of the link.

In testing a website or mobile application, it is impossible to avoid dealing with a lot of fields and forms that require filling in: last name, first name, phone number, address, and many others. To test fields and entire forms, there are two options: you can either use your imagination and spend a lot of time creating a data set or resort to modern technologies. This article will be about the second option.

Load testing is one of the elements of complex performance testing aimed at analyzing the speed of the system’s response to an external request. The main purpose of this check is to find out whether the application (device) being tested meets the stated requirements. This method is widely used in professional circles during product testing when it is necessary to understand how the program will react to simultaneous operation by a certain number of users.

Transferring the management of the mobile device on PC and mirroring the screen is one of the abilities that can be useful for users. There is a variety of software that can be used to transfer the screen of the mobile device to the PC. Let us look at one of the most popular and simple ones – Vysor.

Today there is a lot of information regarding pairwise testing. This technique is known to be one of the most powerful testing methods according to the principles of resource-saving. Pairwise testing is grounded on the principles of combinatorics and is based on the «test each of the input parameters at least once» method.