The Art of Testing Compose Layouts

Testing Compose layouts involves verifying the arrangement, appearance, and functionality of user interfaces created with Jetpack Compose in Android apps. It ensures correct layout organization, responsive design, theme consistency, and proper support for different devices and interactions. Automated testing tools are often used for efficiency and reliability.

Testing Compose layouts is crucial for delivering a polished and reliable user experience in Android applications, guaranteeing that the UI meets design guidelines and works seamlessly across a diverse range of devices and user interactions.

Transcript

1. By: Jacquiline Gitau The Art of Testing Compose Layouts
2. Agenda Introduction Testing APIs Demo Resources Topics Covered
3. What is Testing It’s an integral part of the Android development process to ensure that your app works as expected, is bug-free and provides a seamless user experience.
4. Focuses on testing small portions of an app. Unit Testing Focuses on how different parts of your app interact together. Integration Testing Focuses on the UI of an app. UI Testing
5. Testing UIs To verify the correct behaviour of your Compose code, improve the quality of your app by catching errors early in the development process.
6. Compose Layout It’s the structure and organization of UI elements within an app screen, and it is defined using Composable functions
7. Semantics in Compose It’s a piece of UI or Element. It’s generated alongside the UI hierarchy and describes it
8. Testing API’s Compose provides a set of testing APIs to find elements, verify their attributes and perform user actions.
9. Testing API’s Lets you select one or multiple elements to make assertions or perform actions on them. Finders They inject simulated user events on the elements, such as clicks or other gestures. Actions They are used to verify that the elements exist or have certain attributes. Assertions Specifies the criteria a finder uses to find the Composable. Matchers
10. Finders
11. Assertion
12. Action
13. Matcher
14. DEMO
15. ScreenShot
16. Debbuging
17. “The goal of a tester is not to find bugs, it's to validate that the software meets the requirements” — Rex Black
18. Testing CheatSheet Testing your compose layouts Testing in Jetpack Compose Testing Codelab Github Resources 1 2 3 4
19. Thank you!