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Home Software Development Software Development Tutorials Software Testing Tutorial GUI Testing

GUI Testing

Updated June 16, 2023

GUI Testing

What is GUI Testing?

GUI testing is described as the testing of the application under the Test system’s graphical user interface. Graphical Testing consists of screen checks using controls such as icons, buttons, and menus with all types of the bar, such as dialogues, menu bars, toolbar, Windows, etc. We can say that what we see is GUI. For a computer application, there are two kinds of interfaces. The command-line interface is the one that answers the command text and the computer. On the other hand, GUI is a graphical user interface in which you use pictures rather than text to communicate with the computer.

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Let’s take an example. If you or your friend visit the site, which is Educba .com, First of all, he will see the home page, search button, course bar, and many more that are GUI (Graphical User Interface). A user sees no source code. The user can see the interface. The focus is mainly on the design structure and images that work correctly or not. The connections are also accessible; the button should operate if you click. Also, neither the image nor the content must decrease or overlap if the user redesigns the screen. So this is a little bit of introduction regarding the GUI (Graphical User Interface) Testing.

Features of GUI

By understanding its different characteristics, GUI testing can be clarified further.

Thus, some critical GUI tests and other associated elements are described below:

  • This testing method is harder than the line interface test command.
  • Most test tools used for GUI testing focus mainly on regression testing.
  • It also confirms that the components, like the font and the pictures, comply with their design specifications.
  • GUI can face more challenges with automated testing, as the user interface often changes.
  • It is carried out from the viewpoint of the user and not the developer or tester.
  • It helps the team collect the data needed to decide whether an application can be deployed or not deployed.

GUI Testing in Different Ways

Software experts use three major GUI testers worldwide to verify the precision and quality of graphical user interface elements.

  • Manual Based Testing
  • Record and Replay
  • Model-Based Testing

1. Manual Based Testing

Testers manually verified all graphics for the company document with the prerequisites. For instance, the multiplication (33X5) can be checked by manual testing.

2. Record and Replay

Record and Replay is an automated Graphical User Interface tool with all the test records during testing.

3. Model-Based Testing

Model-based Testing acts as a graphic description. These tests predict the system’s behavior, and this technique efficiently generates test cases. Decision and charts tables are some of the modeling techniques.

Check-List of GUI Testing

  • Check GUI elements like length, width, size, font, etc.
  • Check for the correct error message display.
  • Size of font and font readability.
  • Pictures should be aligned correctly.
  • The positioning for various resolutions of all GUI elements.

Advantages

By applying the GUI testing method during the early phases of the SDLC, the team can take advantage of various benefits, such as accelerated growth, performance enhancement, and risk decrease at the end of the cycle.

In addition, this testing offers other benefits such as:

  • Tests the interface from the point of view of customers.
  • Efficiently reduces the risk to the end of the development cycle.
  • Contributes to validating compliance with design specifications for the various icons and elements.
  • Improves product reliability and increases product quality.

Disadvantages

While GUI testing has numerous benefits, the tests still require acknowledgment. In addition, there are a few drawbacks. Here are, therefore, the drawbacks/disadvantages.

  • More memory resources are needed, which can slow the system.
  • The testing method takes time and may involve additional GUI software.
  • Given the frequent change in the implementation interface, the team could need to refactor a test script to enhance its precision.
  • The testing method is difficult due to limited access or no access to the source code.

Examples

  • Test the height of the elements in size, location, and width.
  • Testing for the displayed error messages.
  • Test the various parts of the screen.
  • Test the font to determine whether or not it is readable.
  • We can also test the spelling.
  • Testing the screen in various sizes by zooming in and out, such as 600×800, 640 x 480, etc.
  • Texts and other components, such as buttons, icons, and so on, are in the correct location to test the alignment.
  • We can also test the font color.
  • Testing error messages colors and warning messages.
  • We can also test the clarity of the image
  • We can also test the Alignment of the image.
  • Hyperlink color testing.

How to Do GUI Testing?

  • Ensure a text box correctly aligns with the label “Source Folder.”
  • Ensure the text box is correctly aligned with the label “Package.”
  • Check that the “Browse” label is the button at the end of the TextBox named after the “Source Folder” label.
  • Make sure that the label text box “Name” is correctly aligned.
  • Verify that the ‘ Editors ‘ label consists of the public, default, private, and protected names of 4 radio buttons.
  • Verify that the “Super-Class” label under the “Modifier” label has to be correctly aligned.
  • Ensure that wherever needed, an error should be produced in RED color.
  • Display a correct confirmation message after updating any field.

Recommended Articles

This has been a guide to GUI Testing. Here we have discussed GUI testing in different ways, features, advantages, disadvantages, and examples. You can also go through our other suggested articles to learn more –

  1. Security Testing Tools
  2. Performance Testing Tools
  3. SOA Testing Tools
  4. System Integration Testing
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