clickable-test.kt

class ClickableTest {
    @get:Rule
    val composeTestRule = createComposeRule()

    @Test
    fun hasRoleNameValue() {
        composeTestRule.setContent {
            ModifiersExampleTheme {
                ClickableScreen()
            }
        }

        val clickableElement = 
            composeTestRule.onNode(hasTestTag("clickable"))

        // Assert accessible name
        clickableElement.assertTextEquals("Bookmark this item")

        // Assert role
        clickableElement.assert(
            SemanticsMatcher("has correct role") {
                it.config.getOrNull(SemanticsProperties.Role) == Role.Button
            },
        )

        // Assert state description
        clickableElement.assertStateDescription("Not bookmarked")
        clickableElement.performClick()
        clickableElement.assertStateDescription("Bookmarked")
    }

    private fun SemanticsNodeInteraction.assertStateDescription(
        stateDescription: String
    ) =
        assert(
            SemanticsMatcher("has correct state description") {
                it.config.getOrNull(SemanticsProperties.StateDescription) == stateDescription
            },
        )
}