Add test for platform addition

flutter · auto-submit · Mar 8, 2024 · Feb 15, 2024 · Feb 15, 2024 · Feb 15, 2024
commit e2d30da2dd6be079049419807a77a1c936a9d91e
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
+
 import 'package:flutter/services.dart';
 import 'package:in_app_purchase_platform_interface/in_app_purchase_platform_interface.dart';
 
@@ -14,7 +16,20 @@ class InAppPurchaseAndroidPlatformAddition
     extends InAppPurchasePlatformAddition {
   /// Creates a [InAppPurchaseAndroidPlatformAddition] which uses the supplied
   /// `BillingClientManager` to provide Android specific features.
-  InAppPurchaseAndroidPlatformAddition(this._billingClientManager);
+  InAppPurchaseAndroidPlatformAddition(this._billingClientManager) {
+
+    _billingClientManager.userChoiceDetailsStream
+        .asyncMap(_getUserChoiceDetailsFromResult)
+        .listen(_userChoiceDetailsStreamController.add);
+  }
+
+  final StreamController<UserChoiceDetailsWrapper>
+      _userChoiceDetailsStreamController =
+      StreamController<UserChoiceDetailsWrapper>.broadcast();
+
+  /// [UserChoiceDetailsWrapper] emits each time user selects alternative billing.
+  late final Stream<UserChoiceDetailsWrapper> userChoiceDetailsStream =
+      _userChoiceDetailsStreamController.stream;
 
   /// Whether pending purchase is enabled.
   ///
@@ -56,6 +71,11 @@ class InAppPurchaseAndroidPlatformAddition
     );
   }
 
+  Future<UserChoiceDetailsWrapper> _getUserChoiceDetailsFromResult(
+      UserChoiceDetailsWrapper resultWrapper) async {
+    return resultWrapper;
+  }
+
   /// Query all previous purchases.
   ///
   /// The `applicationUserName` should match whatever was sent in the initial

@@ -281,4 +281,27 @@ void main() {
       expect(arguments['feature'], equals('subscriptions'));
     });
   });
+
+  group('userChoiceDetails', () {
+    test('called', () async {
+      final Future<UserChoiceDetailsWrapper> futureDetails =
+          iapAndroidPlatformAddition.userChoiceDetailsStream.first;
+      const UserChoiceDetailsWrapper expected = UserChoiceDetailsWrapper(
+        originalExternalTransactionId: 'TransactionId',
+        externalTransactionToken: 'TransactionToken',
+        products: <UserChoiceDetailsProductWrapper>[
+          UserChoiceDetailsProductWrapper(
+              id: 'id1',
+              offerToken: 'offerToken1',
+              productType: ProductType.inapp),
+          UserChoiceDetailsProductWrapper(
+              id: 'id2',
+              offerToken: 'offerToken2',
+              productType: ProductType.inapp),
+        ],
+      );
+      manager.onUserChoiceAlternativeBilling(expected);
+      expect(await futureDetails, expected);
+    });
+  });
 }