INNER CODE UNIT · Kotlin

ExampleUiTestWithComposeRule

Foso/Jetpack-Compose-Playground · app/src/androidTest/java/de/jensklingenberg/jetpackcomposeplayground/ExampleUiTestWithComposeRule.kt:16

class ExampleUiTestWithComposeRule {

    @Rule
    @JvmField
    var composeTestRule: ComposeContentTestRule = createComposeRule()

    @Before
    fun before(){
        composeTestRule.setContent {
            TestingExample()
        }
    }

    @Test
    fun whenIClickOnButton_TheTextShouldChange() {
        composeTestRule.onNodeWithText("Hello").assertTextEquals("Hello")
        composeTestRule.onNodeWithText("Hello").performClick()
        composeTestRule.onNodeWithText("Hello").assertDoesNotExist()

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