Add FXIOS-9021 New trigger for number of app launches (#19978) (#19998)

(cherry picked from commit 5ff50ef)

Co-authored-by: Cyndi Chin <cgc95@cornell.edu>

firefox-ios/Client/Experiments/Messaging/GleanPlumbContextProvider.swift

@@ -13,6 +13,7 @@ class GleanPlumbContextProvider {
         case isDefaultBrowser = "is_default_browser"
         case isInactiveNewUser = "is_inactive_new_user"
         case allowedTipsNotifications = "allowed_tips_notifications"
+        case numberOfAppLaunches = "number_of_app_launches"
     }
 
     struct Constant {
@@ -21,6 +22,11 @@ class GleanPlumbContextProvider {
     }
 
     var userDefaults: UserDefaultsInterface = UserDefaults.standard
+    private var profile: Profile
+
+    init(profile: Profile = AppContainer.shared.resolve()) {
+        self.profile = profile
+    }
 
     private var todaysDate: String {
         let dateFormatter = DateFormatter()
@@ -32,6 +38,10 @@ class GleanPlumbContextProvider {
         return userDefaults.bool(forKey: RatingPromptManager.UserDefaultsKey.keyIsBrowserDefault.rawValue)
     }
 
+    private var numberOfAppLaunches: Int32 {
+        return profile.prefs.intForKey(PrefsKeys.Session.Count) ?? 0
+    }
+
     var isInactiveNewUser: Bool {
         // existing users don't have firstAppUse set
         guard let firstAppUse = userDefaults.object(forKey: PrefsKeys.Session.FirstAppUse) as? UInt64,
@@ -62,6 +72,7 @@ class GleanPlumbContextProvider {
         return [ContextKey.todayDate.rawValue: todaysDate,
                 ContextKey.isDefaultBrowser.rawValue: isDefaultBrowser,
                 ContextKey.isInactiveNewUser.rawValue: isInactiveNewUser,
+                ContextKey.numberOfAppLaunches.rawValue: numberOfAppLaunches,
                 ContextKey.allowedTipsNotifications.rawValue: allowedTipsNotifications]
     }
 }

firefox-ios/firefox-ios-tests/Tests/ClientTests/ContextMenuHelperTests.swift

@@ -17,6 +17,7 @@ class ContextMenuHelperTests: XCTestCase {
         profile = MockProfile()
 
         LegacyFeatureFlagsManager.shared.initializeDeveloperFeatures(with: profile)
+        DependencyHelperMock().bootstrapDependencies()
 
         Glean.shared.resetGlean(clearStores: true)
         Glean.shared.enableTestingMode()
@@ -25,6 +26,7 @@ class ContextMenuHelperTests: XCTestCase {
     override func tearDown() {
         super.tearDown()
         profile = nil
+        AppContainer.shared.reset()
     }
 
     func testHistoryHighlightsTelemetry() {

firefox-ios/firefox-ios-tests/Tests/ClientTests/GleanPlumbContextProviderTests.swift

@@ -10,12 +10,14 @@ import XCTest
 class GleanPlumbContextProviderTests: XCTestCase {
     private var userDefaults: UserDefaultsInterface!
     private var contextProvider: GleanPlumbContextProvider!
+    private var profile: MockProfile!
 
     override func setUp() {
         super.setUp()
         DependencyHelperMock().bootstrapDependencies()
         userDefaults = MockUserDefaults()
-        contextProvider = GleanPlumbContextProvider()
+        profile = MockProfile()
+        contextProvider = GleanPlumbContextProvider(profile: profile)
         contextProvider.userDefaults = userDefaults
     }
 
@@ -25,6 +27,20 @@ class GleanPlumbContextProviderTests: XCTestCase {
         contextProvider = nil
     }
 
+    func testNumberOfLaunches_withFirstLaunch() {
+        profile.prefs.setInt(1, forKey: PrefsKeys.Session.Count)
+        let context = contextProvider.createAdditionalDeviceContext()
+        let numberOfAppLaunches = context["number_of_app_launches"] as? Int32
+        XCTAssertEqual(numberOfAppLaunches, 1)
+    }
+
+    func testNumberOfLaunches_withSecondLaunch() {
+        profile.prefs.setInt(2, forKey: PrefsKeys.Session.Count)
+        let context = contextProvider.createAdditionalDeviceContext()
+        let numberOfAppLaunches = context["number_of_app_launches"] as? Int32
+        XCTAssertEqual(numberOfAppLaunches, 2)
+    }
+
     func testIsInactiveNewUser_noFirstAppUse() {
         userDefaults.set(Date.now(), forKey: PrefsKeys.Session.Last)
         XCTAssertFalse(contextProvider.isInactiveNewUser)

firefox-ios/firefox-ios-tests/Tests/ClientTests/Messaging/NimbusMessagingMessageTests.swift

@@ -12,6 +12,16 @@ import Shared
 @testable import Client
 
 final class NimbusMessagingMessageTests: XCTestCase {
+    override func setUp() {
+        super.setUp()
+        DependencyHelperMock().bootstrapDependencies()
+    }
+
+    override func tearDown() {
+        super.tearDown()
+        AppContainer.shared.reset()
+    }
+
     lazy var feature = {
         FxNimbus.shared.initialize(with: { nil })
         return FxNimbusMessaging.shared.features.messaging.value()

firefox-ios/firefox-ios-tests/Tests/ClientTests/Messaging/NimbusMessagingTriggerTests.swift

@@ -12,6 +12,16 @@ import Shared
 @testable import Client
 
 final class NimbusMessagingTriggerTests: XCTestCase {
+    override func setUp() {
+        super.setUp()
+        DependencyHelperMock().bootstrapDependencies()
+    }
+
+    override func tearDown() {
+        super.tearDown()
+        AppContainer.shared.reset()
+    }
+
     lazy var feature: Messaging = {
         FxNimbus.shared.initialize(with: { nil })
         return FxNimbusMessaging.shared.features.messaging.value()