Fixes #27933: record app opened event and add nimbus event test suite

app/src/androidTest/java/org/mozilla/fenix/helpers/HomeActivityTestRule.kt

@@ -6,6 +6,7 @@
 
 package org.mozilla.fenix.helpers
 
+import android.content.Intent
 import android.view.ViewConfiguration.getLongPressTimeout
 import androidx.test.espresso.intent.rule.IntentsTestRule
 import androidx.test.rule.ActivityTestRule
@@ -161,6 +162,8 @@ class HomeActivityIntentTestRule internal constructor(
 
     private val longTapUserPreference = getLongPressTimeout()
 
+    private lateinit var intent: Intent
+
     /**
      * Update settings after the activity was created.
      */
@@ -171,6 +174,19 @@ class HomeActivityIntentTestRule internal constructor(
         }
     }
 
+    override fun getActivityIntent(): Intent {
+        return if(this::intent.isInitialized) {
+            this.intent
+        } else {
+            super.getActivityIntent()
+        }
+    }
+
+    fun withIntent(intent: Intent): HomeActivityIntentTestRule {
+        this.intent = intent
+        return this
+    }
+
     override fun beforeActivityLaunched() {
         super.beforeActivityLaunched()
         setLongTapTimeout(3000)

app/src/androidTest/java/org/mozilla/fenix/ui/NimbusEventTest.kt

@@ -0,0 +1,51 @@
+package org.mozilla.fenix.ui
+
+import android.content.Intent
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import okhttp3.mockwebserver.MockWebServer
+import org.junit.*
+import org.mozilla.fenix.helpers.AndroidAssetDispatcher
+import org.mozilla.fenix.helpers.HomeActivityIntentTestRule
+import org.mozilla.fenix.helpers.RetryTestRule
+import org.mozilla.fenix.ui.robots.homeScreen
+
+class NimbusEventTest {
+    private lateinit var mDevice: UiDevice
+    private lateinit var mockWebServer: MockWebServer
+
+    @get:Rule
+    val activityTestRule = HomeActivityIntentTestRule.withDefaultSettingsOverrides()
+        .withIntent(Intent().apply {
+            action = Intent.ACTION_VIEW
+        })
+
+    @Rule
+    @JvmField
+    val retryTestRule = RetryTestRule(3)
+
+    @Before
+    fun setUp() {
+        mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+
+        mockWebServer = MockWebServer().apply {
+            dispatcher = AndroidAssetDispatcher()
+            start()
+        }
+    }
+
+    @After
+    fun tearDown() {
+        mockWebServer.shutdown()
+    }
+
+    @Test
+    fun homeScreenNimbusEventsTest() {
+        homeScreen { }.dismissOnboarding()
+
+        homeScreen {
+            verifyHomeScreen()
+            Assert.assertTrue(evaluateAgainstNimbusTargetingHelper("'app_opened'|eventSum('Days', 28, 0) > 0"))
+        }
+    }
+}

app/src/androidTest/java/org/mozilla/fenix/ui/robots/HomeScreenRobot.kt

@@ -90,6 +90,7 @@ class HomeScreenRobot {
     fun verifyDefaultSearchEngine(searchEngine: String) = verifySearchEngineIcon(searchEngine)
     fun verifyNoTabsOpened() = assertNoTabsOpened()
     fun verifyKeyboardVisible() = assertKeyboardVisibility(isExpectedToBeVisible = true)
+    fun evaluateAgainstNimbusTargetingHelper(jexl: String): Boolean = evaluateAgainstNimbus(jexl)
 
     fun verifyWallpaperImageApplied(isEnabled: Boolean) {
         if (isEnabled) {
@@ -806,6 +807,14 @@ private fun verifySearchEngineIcon(searchEngineName: String) {
     verifySearchEngineIcon(defaultSearchEngine.icon, defaultSearchEngine.name)
 }
 
+private fun getNimbus() =
+    appContext.components.analytics.experiments
+
+private fun evaluateAgainstNimbus(jexl: String): Boolean {
+    val helper = getNimbus().createMessageHelper()
+    return helper.evalJexl(jexl)
+}
+
 // First Run elements
 private fun assertWelcomeHeader() =
     assertTrue(

app/src/main/java/org/mozilla/fenix/HomeActivity.kt

@@ -276,7 +276,10 @@ open class HomeActivity : LocaleAwareAppCompatActivity(), NavHostActivity {
             val safeIntent = intent?.toSafeIntent()
             safeIntent
                 ?.let(::getIntentSource)
-                ?.also { Events.appOpened.record(Events.AppOpenedExtra(it)) }
+                ?.also {
+                    Events.appOpened.record(Events.AppOpenedExtra(it))
+                    components.analytics.experiments.recordEvent("app_opened")
+                }
         }
         supportActionBar?.hide()