RocketsRouteTest.kt

@HiltAndroidTest
class RocketsRouteTest {

    @get:Rule(order = 0)
    val hiltTestRule = HiltAndroidRule(this)

    @get:Rule(order = 1)
    val composeTestRule = createAndroidComposeRule<MainActivity>()

    private val testRockets = generateTestRocketsFromDomain()

    @Before
    fun setUp() {
        hiltTestRule.inject()
        composeTestRule.activity.setContent {
            RocketsRoute(
                viewModel = composeTestRule.getHiltTestViewModel()
            )
        }
    }

    @Test
    fun rocketsRoute_whenHappyPath_shouldShowAllFakeRockets() {
        testRockets.forEach { rocket ->
            composeTestRule
                .onNodeWithText(rocket.name)
                .assertExists()
        }
    }
}

inline fun <reified T : ViewModel> AndroidComposeTestRule<*, *>.getHiltTestViewModel() =
    activity
        .viewModels<T>()
        .value