Exponential growth in smartphone, tablet, laptop, and computer usage has made the web and app development industry competitive in recent years. As a result, easy-to-use, affordable, stable, and visually appealing software development has increased, but it can be successful only after rigorous software testing for customer satisfaction and demands. Thus, User Interface Testing is essential while developing web and mobile software applications. The article is a complete guide with checklists and examples for user interface testing.
User Interface testing, also known as UI testing or GUI testing, tests the application’s visual elements to validate proper functionality and expected performance. It ensures that user interface functions and applications components have no defects, such as icons, radio buttons, text boxes, toolbars, color, fonts, checkboxes, windows, and menus. The primary aspects of mobile user interface testing are functionality, performance, usability, compliance, and visual design of the software application to make sure the application works successfully and satisfactorily.
2. Why is UI testing important?
UI testing checks how the application handles user actions using input devices like keyboard and mouse and whether the visual elements are working and displayed correctly. In addition, when organizations perform iOS UI testing or Android UI testing, mobile user interface testing ensures the efficient and accurate performance of the software application’s UI so that end-users adopt it quickly and successfully.
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Poor iOS UI testing or Android UI testing produces faulty UI. A faulty UI does not meet user expectations. It is the only way to interact with users, and malfunctioning UI may damage the brand or product adoption. Therefore, it is vital for organizations developing software applications to carry out UI testing before releasing it to production.
3. Types of UI tests
Mobile UI testing has different types based on various functional and non-functional testing strategies meeting specific standards of user interface testing. Some examples of software testing methodologies of iOS UI testing or Android UI testing are:
It creates graphical models describing systems’ behavior. It generates highly efficient test cases to understand the system performance in detail. The model-based testing follows steps discussed below:
Model building for the system
System input determination
Verification of the expected output
Checking and validating system output vs. the expected output.
iOS UI testing or Android UI testing generally focuses on the functionality and performance of the application’s graphical user interface. First, commonly occurring UI defects should be tested and improved, such as button alignment issues, incomplete fields, resizing issues, overlapping of fields, browsing issues, inconsistent space between textboxes or labels, misaligned data pages, and so forth. Then a more profound performance and visual experience of the user interface is checked to ensure the expected performance of the application.
5. Benefits of UI Testing
Other than ensuring accurate working of the application’s UI, mobile UI testing offers various benefits, as discussed below:
Cost reduction:Automated iOS UI testing or Android UI testing is inexpensive compared to manual testing.
Opportunity cost reduction: Automated mobile UI testing removes human errors and makes performance potentially more valuable and creative than manual testing.
Speed: UI test automation is faster in orders of magnitude than human testers.
Reproducibility and consistency: Automated mobile UI testing provides consistency and reproducibility compared to manual human testing.
UI component functionality and its design are multi-faceted. It needs attention to detail, good judgment, and defined scopes. For example, a tester should have a checklist to ensure all aspects of the frontend interface are covered in the testing, such as fonts, color schemes, hyperlinks, Ui components, alignment, content, and expected behavior of the UI.
Automated UI testing will need you to check the positioning, length, size, alignment, and width of all UI elements
While performing automated UI testing, check data entry in fields for numbers, texts, special and invalid characters
Software functionality execution
Data type errors
It is also important to check for navigation elements during automated UI testing
Remember to also check the shortcuts and menu items during automated UI testing
Mobile UI testing is carried out using automated tools and frameworks. UI testing tools are Selenium, QTP, Ranorex, and Cucumber. Whereas automated UI testing framework examples include Serenity, Robot Framework, Cypress, TestProject.io, Sahi, and so forth.
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Conclusively, mobile user interface testing has become crucial for today’s software development, and thus one needs to follow specific guidelines while carrying out mobile UI testing. The article has covered all the essential points necessary to start UI testing successfully.
1. What role does exploratory testing play in web UI testing?
Exploratory testing in web UI testing assists in identifying hidden test cases as the UI might behave differently in different machines. A tester can leverage the automation while managing the testing challenges for running the cases on multiple data. Further, exploratory testing offers flexible and open opportunities for the testers.
2. What is the difference between UI testing and GUI testing?
Mobile user interface testing takes into consideration the look, feel, and ease of use of an application, primarily to meet the customer's demands. On the other hand, GUI testing is the process of allying up a software's functionalities against business requirements to evaluate if they were satisfied.
Besides, in mobile user interface testing, the command line interface with every means of interaction is tested, while in GUI testing, the graphic interface with which the user engages is focused on.
3. What are broken UI elements?
These refer to certain dysfunctional components like buttons, text fields, or links that do not function. The broken user elements are one of the commonest bugs found in mobile UI testing, which can negatively impact a web app's functionality and crash an entire mobile or web app.
4. What is UI/UX testing and What are the key differences between UI testing and UX testing?
UI/UX testing is a crucial process in software development that focuses on evaluating the user interface and user experience aspects of a product to ensure its functionality, usability, and overall user satisfaction. UI/UX testing involves a comprehensive examination of various elements such as layout, design, navigation, responsiveness, and accessibility to identify potential issues or inconsistencies that might hinder the user's interaction with the application or website.
By conducting UI/UX testingat different stages of development, developers can gather valuable feedback to make necessary improvements and deliver a polished and user-friendly product. Regular UI/UX testing helps developers achieve higher customer engagement and retention, which leads to better overall user experience.
Through systematic UI/UX testing, teams can address potential usability problems and deliver an intuitive and enjoyable experience for the end-users, making UI/UX testing an indispensable part of the software development lifecycle.
Mobile user interface testing is a testing type that helps testers ensure that all the fields, labels, buttons, and other items on the screen function as desired. Mobile UI testing involves checking screens with controls, like toolbars, colors, fonts, sizes, icons, and others, and how these respond to the user input.
On the other hand, UX testing is a process of testing the various sides of the user experience to determine the most efficient way for a project and its elements to interact with the users.
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