![]() ![]() Needed for createComposeRule, but not createAndroidComposeRule:ĭebugImplementation(":ui-test-manifest:$compose_version") This section describes how to set up your module to let you test compose code.įirst, add the following dependencies to the adle file of the moduleĬontaining your UI tests: // Test rules and transitive dependencies:ĪndroidTestImplementation(":ui-test-junit4:$compose_version") How Semantics properties are used to improve your app's Note: To learn more about Compose semantics, see the Semantics inĬompose guide. You can add properties to the semantic tree by using a This isīecause some composables, such as Text, already expose some properties to the A typical button containing an icon and text.įor example, given a button like this that consists of an icon and a textĮlement, the default semantics tree only contains the text label "Like". ![]() The semantics framework is primarily used for accessibility, so tests takeĪdvantage of the information exposed by semantics about the UI hierarchy.ĭevelopers decide what and how much to expose.įigure 2. A typical UI hierarchy and its semantics tree. The semantics tree is generated alongside the UI hierarchy, andįigure 1. In this context,Ī "piece of UI" (or element) can mean anything from a single composable to a full Semantics, as the name implies, give meaning to a piece of UI. UI tests in Compose use semantics to interact with the UI hierarchy. InĬompose, only some composables emit UI into the UI hierarchy, therefore aĭifferent approach to matching UI elements is needed. Has properties, like identifiers, position, margin, padding, and so on. The View-based UI toolkit clearly defines what a View Note: Testing a UI created with Compose is different from testing a View-based They also include advanced features such as time Testing UIs or screens is used to verify the correct behavior of yourĬompose code, improving the quality of your app by catching errors early in theĬompose provides a set of testing APIs to find elements, verify their attributesĪnd perform user actions.
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