ViewAssertion sample that checks that all descendant views with provided id have visibility equal to Visibility.INVISIBLE.

SampleTest.kt

@RunWith(AndroidJUnit4::class)
class SampleTest {

    @get:Rule
    var activityScenarioRule = ActivityScenarioRule(SampleActivity::class.java)

    @Test
    fun allCheckBoxesShouldNotBeDisplayed() {
        onView(withId(R.id.tasksContainer)).check(descendantsWithIdInvisible(R.id.checkbox))
    }

    fun descendantsWithIdInvisible(@IdRes id: Int) = DescendantsWithIdInvisibleViewAssertion(id)

    class DescendantsWithIdInvisibleViewAssertion(@IdRes id: Int) : ViewAssertion {
        private val descendantId = id
        private val resourceName = InstrumentationRegistry.getInstrumentation()
            .targetContext.resources.getResourceEntryName(descendantId)

        override fun check(view: View?, noView: NoMatchingViewException?) {
            assertTrue(
                "Ancestor view should be present in the hierarchy and displayed but it wasn't",
                isDisplayed().matches(view)
            )
            var visibleViewExist = false
            (view as ViewGroup).descendants.forEach { descendantView ->
                val matches =
                    withId(descendantId).matches(descendantView)
                        .and(withEffectiveVisibility(Visibility.VISIBLE).matches(descendantView))
                if (matches) {
                    visibleViewExist = true
                }
            }
            assertFalse(
                "View with id: $resourceName was displayed but it shouldn't.",
                visibleViewExist
            )
        }
    }
}