DropShotsTest.kt

DropShotsTest.kt

class MyTest {
    @get:Rule
    val activityScenarioRule = ActivityScenarioRule(TestActivity::class.java)

    @get:Rule
    val dropshots = Dropshots()

    @Before
    fun setup() {
        // Setup your activity however you like
        activityScenarioRule.scenario.onActivity {
            it.supportFragmentManager.beginTransaction()
                .add(android.R.id.content, ScreenshotTestFragment())
                .commitNow()
        }
    }

    @Test
    fun testMatchesActivityScreenshot() {
        activityScenarioRule.scenario.onActivity {
            // Assert activity snapshots
            dropshots.assertSnapshot(it, "MatchesActivityScreenshot")
        }
    }

    @Test
    fun testMatchesViewScreenshot() {
        activityScenarioRule.scenario.onActivity {
            // or assert view snapshots.
            dropshots.assertSnapshot(
                it.findViewById<View>(android.R.id.content),
                name = "MatchesViewScreenshot"
            )
        }
    }
}