feat: album action

mobile/lib/domain/services/remote_album.service.dart

@@ -183,6 +183,12 @@ class RemoteAlbumService {
     return album.added.length;
   }
 
+  Future<int> removeAssets({required String albumId, required List<String> assetIds}) async {
+    final result = await _albumApiRepository.removeAssets(albumId, assetIds);
+    await _repository.removeAssets(albumId, result.removed);
+    return result.removed.length;
+  }
+
   /// !TODO The name here is not clear as we have addAssets method above,
   /// which is only add remote assets to album, for the next PR, we will allow
   /// adding local assets from album from the timeline as well with this flow.

mobile/lib/presentation/actions/remove_from_album.action.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/generated/translations.g.dart';
+import 'package:immich_mobile/presentation/actions/action.dart';
+import 'package:immich_mobile/providers/infrastructure/album.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/toast.provider.dart';
+import 'package:immich_mobile/utils/asset_filter.dart';
+
+class RemoveFromAlbumAction extends BaseAction {
+  final String albumId;
+  final List<String> assetIds;
+
+  RemoveFromAlbumAction._({required super.scope, required this.albumId, required this.assetIds, super.isVisible})
+    : super(icon: Icons.remove_circle_outline, label: scope.context.t.remove_from_album);
+
+  factory RemoveFromAlbumAction({
+    required Iterable<BaseAsset> assets,
+    required String albumId,
+    required ActionScope scope,
+  }) {
+    final assetIds = AssetFilter(assets).remote().map((asset) => asset.id).toList(growable: false);
+
+    return RemoveFromAlbumAction._(scope: scope, albumId: albumId, assetIds: assetIds, isVisible: assetIds.isNotEmpty);
+  }
+
+  @override
+  Future<void> onAction() async {
+    final ActionScope(:ref, :context) = scope;
+
+    final count = await ref.read(remoteAlbumServiceProvider).removeAssets(albumId: albumId, assetIds: assetIds);
+    ref.read(toastRepositoryProvider).success(context.t.remove_from_album_action_prompt(count: count));
+  }
+}

mobile/lib/presentation/actions/set_album_cover.action.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/generated/translations.g.dart';
+import 'package:immich_mobile/presentation/actions/action.dart';
+import 'package:immich_mobile/providers/infrastructure/album.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/toast.provider.dart';
+import 'package:immich_mobile/utils/asset_filter.dart';
+
+class SetAlbumCoverAction extends BaseAction {
+  final String albumId;
+  final List<String> assetIds;
+
+  SetAlbumCoverAction._({required super.scope, required this.albumId, required this.assetIds, super.isVisible})
+    : super(icon: Icons.image_outlined, label: scope.context.t.set_as_album_cover);
+
+  factory SetAlbumCoverAction({
+    required Iterable<BaseAsset> assets,
+    required String albumId,
+    required ActionScope scope,
+  }) {
+    final assetIds = AssetFilter(assets).remote().map((asset) => asset.id).toList(growable: false);
+
+    return SetAlbumCoverAction._(scope: scope, albumId: albumId, assetIds: assetIds, isVisible: assetIds.length == 1);
+  }
+
+  @override
+  Future<void> onAction() async {
+    final ActionScope(:ref, :context) = scope;
+
+    await ref.read(remoteAlbumServiceProvider).updateAlbum(albumId, thumbnailAssetId: assetIds.first);
+    ref.read(toastRepositoryProvider).success(context.t.album_cover_updated);
+  }
+}

mobile/lib/presentation/widgets/action_buttons/remove_from_album_action_button.widget.dart

@@ -1,65 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
-import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:immich_mobile/constants/enums.dart';
-import 'package:immich_mobile/domain/models/events.model.dart';
-import 'package:immich_mobile/domain/utils/event_stream.dart';
-import 'package:immich_mobile/extensions/translate_extensions.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/base_action_button.widget.dart';
-import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
-import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
-import 'package:immich_mobile/widgets/common/immich_toast.dart';
-
-class RemoveFromAlbumActionButton extends ConsumerWidget {
-  final String albumId;
-  final ActionSource source;
-  final bool iconOnly;
-  final bool menuItem;
-
-  const RemoveFromAlbumActionButton({
-    super.key,
-    required this.albumId,
-    required this.source,
-    this.iconOnly = false,
-    this.menuItem = false,
-  });
-
-  void _onTap(BuildContext context, WidgetRef ref) async {
-    if (!context.mounted) {
-      return;
-    }
-
-    if (source == ActionSource.viewer) {
-      EventStream.shared.emit(const ViewerReloadAssetEvent());
-    }
-
-    final result = await ref.read(actionProvider.notifier).removeFromAlbum(source, albumId);
-    ref.read(multiSelectProvider.notifier).reset();
-
-    final successMessage = 'remove_from_album_action_prompt'.t(
-      context: context,
-      args: {'count': result.count.toString()},
-    );
-
-    if (context.mounted) {
-      ImmichToast.show(
-        context: context,
-        msg: result.success ? successMessage : 'scaffold_body_error_occurred'.t(context: context),
-        gravity: ToastGravity.BOTTOM,
-        toastType: result.success ? ToastType.success : ToastType.error,
-      );
-    }
-  }
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    return BaseActionButton(
-      iconData: Icons.remove_circle_outline,
-      label: "remove_from_album".t(context: context),
-      iconOnly: iconOnly,
-      menuItem: menuItem,
-      onPressed: () => _onTap(context, ref),
-      maxWidth: 100,
-    );
-  }
-}

mobile/lib/presentation/widgets/action_buttons/set_album_cover.widget.dart

@@ -1,56 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
-import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:immich_mobile/constants/enums.dart';
-import 'package:immich_mobile/extensions/translate_extensions.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/base_action_button.widget.dart';
-import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
-import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
-import 'package:immich_mobile/widgets/common/immich_toast.dart';
-
-class SetAlbumCoverActionButton extends ConsumerWidget {
-  final String albumId;
-  final ActionSource source;
-  final bool iconOnly;
-  final bool menuItem;
-
-  const SetAlbumCoverActionButton({
-    super.key,
-    required this.albumId,
-    required this.source,
-    this.iconOnly = false,
-    this.menuItem = false,
-  });
-
-  void _onTap(BuildContext context, WidgetRef ref) async {
-    if (!context.mounted) {
-      return;
-    }
-
-    final result = await ref.read(actionProvider.notifier).setAlbumCover(source, albumId);
-    ref.read(multiSelectProvider.notifier).reset();
-
-    final successMessage = 'album_cover_updated'.t(context: context);
-
-    if (context.mounted) {
-      ImmichToast.show(
-        context: context,
-        msg: result.success ? successMessage : 'scaffold_body_error_occurred'.t(context: context),
-        gravity: ToastGravity.BOTTOM,
-        toastType: result.success ? ToastType.success : ToastType.error,
-      );
-    }
-  }
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    return BaseActionButton(
-      iconData: Icons.image_outlined,
-      label: 'set_as_album_cover'.t(context: context),
-      iconOnly: iconOnly,
-      menuItem: menuItem,
-      onPressed: () => _onTap(context, ref),
-      maxWidth: 100,
-    );
-  }
-}

mobile/lib/presentation/widgets/bottom_sheet/remote_album_bottom_sheet.widget.dart

@@ -6,14 +6,14 @@ import 'package:immich_mobile/extensions/translate_extensions.dart';
 import 'package:immich_mobile/presentation/actions/action.dart';
 import 'package:immich_mobile/presentation/actions/action.widget.dart';
 import 'package:immich_mobile/presentation/actions/asset_actions.dart';
+import 'package:immich_mobile/presentation/actions/remove_from_album.action.dart';
+import 'package:immich_mobile/presentation/actions/set_album_cover.action.dart';
 import 'package:immich_mobile/presentation/actions/timeline.action.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/delete_local_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/delete_permanent_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/download_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/edit_date_time_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/edit_location_action_button.widget.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/remove_from_album_action_button.widget.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/set_album_cover.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/share_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/share_link_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/trash_action_button.widget.dart';
@@ -83,7 +83,8 @@ class _RemoteAlbumBottomSheetState extends ConsumerState<RemoteAlbumBottomSheet>
     }
 
     final scope = ActionScope.from(context, ref);
-    final actions = AssetActions.from(scope, multiselect.selectedAssets.toList(growable: false));
+    final assets = multiselect.selectedAssets.toList(growable: false);
+    final actions = AssetActions.from(scope, assets);
 
     return BaseBottomSheet(
       controller: sheetController,
@@ -114,9 +115,18 @@ class _RemoteAlbumBottomSheetState extends ConsumerState<RemoteAlbumBottomSheet>
           ],
         ],
         if (multiselect.hasMerged) const DeleteLocalActionButton(source: ActionSource.timeline),
-        if (ownsAlbum) RemoveFromAlbumActionButton(source: ActionSource.timeline, albumId: widget.album.id),
-        if (ownsAlbum && multiselect.selectedAssets.length == 1)
-          SetAlbumCoverActionButton(source: ActionSource.timeline, albumId: widget.album.id),
+        if (ownsAlbum)
+          ActionColumnButtonWidget(
+            action: TimelineAction(
+              action: RemoveFromAlbumAction(assets: assets, albumId: widget.album.id, scope: scope),
+            ),
+          ),
+        if (ownsAlbum)
+          ActionColumnButtonWidget(
+            action: TimelineAction(
+              action: SetAlbumCoverAction(assets: assets, albumId: widget.album.id, scope: scope),
+            ),
+          ),
       ],
       slivers: ownsAlbum
           ? [const AddToAlbumHeader(), AlbumSelector(onAlbumSelected: addToAlbum, onKeyboardExpanded: onKeyboardExpand)]

mobile/lib/providers/infrastructure/action.provider.dart

@@ -318,33 +318,6 @@ class ActionNotifier extends Notifier<void> {
     );
   }
 
-  Future<ActionResult> removeFromAlbum(ActionSource source, String albumId) async {
-    final ids = _getRemoteIdsForSource(source);
-    try {
-      final removedCount = await _service.removeFromAlbum(ids, albumId);
-      return ActionResult(count: removedCount, success: true);
-    } catch (error, stack) {
-      _logger.severe('Failed to remove assets from album', error, stack);
-      return ActionResult(count: ids.length, success: false, error: error.toString());
-    }
-  }
-
-  Future<ActionResult> setAlbumCover(ActionSource source, String albumId) async {
-    final assets = _getAssets(source);
-    final asset = assets.first;
-    if (asset is! RemoteAsset) {
-      return const ActionResult(count: 1, success: false, error: 'Asset must be remote');
-    }
-
-    try {
-      await _service.setAlbumCover(albumId, asset.id);
-      return const ActionResult(count: 1, success: true);
-    } catch (error, stack) {
-      _logger.severe('Failed to set album cover', error, stack);
-      return ActionResult(count: 1, success: false, error: error.toString());
-    }
-  }
-
   Future<ActionResult> updateDescription(ActionSource source, String description) async {
     final ids = _getRemoteIdsForSource(source);
     if (ids.length != 1) {

mobile/lib/services/action.service.dart

@@ -199,14 +199,6 @@ class ActionService {
     );
   }
 
-  Future<int> removeFromAlbum(List<String> remoteIds, String albumId) async {
-    final result = await _albumApiRepository.removeAssets(albumId, remoteIds);
-    if (result.removed.isNotEmpty) {
-      await _remoteAlbumRepository.removeAssets(albumId, result.removed);
-    }
-    return result.removed.length;
-  }
-
   Future<bool> updateDescription(String assetId, String description) async {
     // update remote first, then local to ensure consistency
     await _assetApiRepository.updateDescription(assetId, description);

mobile/lib/utils/action_button.utils.dart

@@ -16,7 +16,9 @@ import 'package:immich_mobile/presentation/actions/cast.action.dart';
 import 'package:immich_mobile/presentation/actions/lock.action.dart';
 import 'package:immich_mobile/presentation/actions/open_in_browser.action.dart';
 import 'package:immich_mobile/presentation/actions/restore.action.dart';
+import 'package:immich_mobile/presentation/actions/remove_from_album.action.dart';
 import 'package:immich_mobile/presentation/actions/set_profile_picture.action.dart';
+import 'package:immich_mobile/presentation/actions/set_album_cover.action.dart';
 import 'package:immich_mobile/presentation/actions/similar_photos.action.dart';
 import 'package:immich_mobile/presentation/actions/slideshow.action.dart';
 import 'package:immich_mobile/presentation/actions/stack.action.dart';
@@ -26,8 +28,6 @@ import 'package:immich_mobile/presentation/widgets/action_buttons/delete_local_a
 import 'package:immich_mobile/presentation/widgets/action_buttons/delete_permanent_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/download_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/like_activity_action_button.widget.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/remove_from_album_action_button.widget.dart';
-import 'package:immich_mobile/presentation/widgets/action_buttons/set_album_cover.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/share_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/share_link_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/trash_action_button.widget.dart';
@@ -231,17 +231,11 @@ enum ActionButtonType {
         menuItem: menuItem,
       ),
       ActionButtonType.upload => UploadActionButton(source: context.source, iconOnly: iconOnly, menuItem: menuItem),
-      ActionButtonType.removeFromAlbum => RemoveFromAlbumActionButton(
-        albumId: context.currentAlbum!.id,
-        source: context.source,
-        iconOnly: iconOnly,
-        menuItem: menuItem,
+      ActionButtonType.removeFromAlbum => ActionMenuItemWidget(
+        action: RemoveFromAlbumAction(assets: [context.asset], albumId: context.currentAlbum!.id, scope: scope),
       ),
-      ActionButtonType.setAlbumCover => SetAlbumCoverActionButton(
-        albumId: context.currentAlbum!.id,
-        source: context.source,
-        iconOnly: iconOnly,
-        menuItem: menuItem,
+      ActionButtonType.setAlbumCover => ActionMenuItemWidget(
+        action: SetAlbumCoverAction(assets: [context.asset], albumId: context.currentAlbum!.id, scope: scope),
       ),
       ActionButtonType.likeActivity => LikeActivityActionButton(iconOnly: iconOnly, menuItem: menuItem),
       ActionButtonType.unstack => ActionMenuItemWidget(

mobile/test/domain/service.mock.dart

@@ -1,5 +1,6 @@
 import 'package:immich_mobile/domain/services/asset.service.dart';
 import 'package:immich_mobile/domain/services/partner.service.dart';
+import 'package:immich_mobile/domain/services/remote_album.service.dart';
 import 'package:immich_mobile/domain/services/store.service.dart';
 import 'package:immich_mobile/domain/services/user.service.dart';
 import 'package:immich_mobile/domain/utils/background_sync.dart';
@@ -22,4 +23,6 @@ class MockAssetService extends Mock implements AssetService {}
 
 class MockUserService extends Mock implements UserService {}
 
+class MockRemoteAlbumService extends Mock implements RemoteAlbumService {}
+
 class MockGCastService extends Mock implements GCastService {}

mobile/test/unit/factories/remote_album_factory.dart

@@ -0,0 +1,38 @@
+import 'package:immich_mobile/domain/models/album/album.model.dart';
+
+import '../../utils.dart';
+
+class RemoteAlbumFactory {
+  const RemoteAlbumFactory();
+
+  static RemoteAlbum create({
+    String? id,
+    String? name,
+    String? ownerId,
+    String? description,
+    DateTime? createdAt,
+    DateTime? updatedAt,
+    String? thumbnailAssetId,
+    bool isActivityEnabled = false,
+    AlbumAssetOrder order = AlbumAssetOrder.desc,
+    int assetCount = 0,
+    String? ownerName,
+    bool isShared = false,
+  }) {
+    id = TestUtils.uuid(id);
+    return RemoteAlbum(
+      id: id,
+      name: name ?? 'remote_album_$id',
+      ownerId: TestUtils.uuid(ownerId),
+      description: description ?? '',
+      createdAt: TestUtils.date(createdAt),
+      updatedAt: TestUtils.date(updatedAt),
+      thumbnailAssetId: thumbnailAssetId,
+      isActivityEnabled: isActivityEnabled,
+      order: order,
+      assetCount: assetCount,
+      ownerName: ownerName ?? 'owner_$id',
+      isShared: isShared,
+    );
+  }
+}

mobile/test/unit/mocks.dart

@@ -1,6 +1,7 @@
 import 'dart:typed_data';
 
 import 'package:immich_mobile/constants/enums.dart';
+import 'package:immich_mobile/domain/models/album/album.model.dart';
 import 'package:immich_mobile/domain/models/album/local_album.model.dart';
 import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/domain/models/user.model.dart';
@@ -13,6 +14,7 @@ import '../domain/service.mock.dart';
 import '../infrastructure/repository.mock.dart';
 import 'factories/local_album_factory.dart';
 import 'factories/local_asset_factory.dart';
+import 'factories/remote_album_factory.dart';
 import 'factories/user_factory.dart';
 
 class RepositoryMocks {
@@ -58,6 +60,7 @@ class ServiceMocks {
   final partner = PartnerServiceStub(MockPartnerService());
   final user = UserServiceStub(MockUserService());
   final asset = AssetServiceStub(MockAssetService());
+  final album = RemoteAlbumServiceStub(MockRemoteAlbumService());
 
   ServiceMocks() {
     resetAll();
@@ -68,9 +71,11 @@ class ServiceMocks {
     partner.reset();
     user.reset();
     asset.reset();
+    album.reset();
     _stubUserService();
     _stubPartnerService();
     _stubAssetService();
+    _stubRemoteAlbumService();
   }
 
   void _stubUserService() {
@@ -96,6 +101,11 @@ class ServiceMocks {
     when(asset.unstack).thenAnswer((_) async {});
     when(asset.restoreTrash).thenAnswer((_) async {});
   }
+
+  void _stubRemoteAlbumService() {
+    when(album.removeAssets).thenAnswer((_) async => 0);
+    when(album.updateAlbum).thenAnswer((_) async => RemoteAlbumFactory.create());
+  }
 }
 
 void _registerFallbacks() {
@@ -191,6 +201,17 @@ extension type const AssetServiceStub(MockAssetService service) implements Stub<
       () => service.restoreTrash(any());
 }
 
+extension type const RemoteAlbumServiceStub(MockRemoteAlbumService service) implements Stub<MockRemoteAlbumService> {
+  Future<int> Function() get removeAssets =>
+      () => service.removeAssets(
+        albumId: any(named: 'albumId'),
+        assetIds: any(named: 'assetIds'),
+      );
+
+  Future<RemoteAlbum> Function() get updateAlbum =>
+      () => service.updateAlbum(any(), thumbnailAssetId: any(named: 'thumbnailAssetId'));
+}
+
 extension type const NativeSyncApiStub(MockNativeSyncApi api) implements Stub<MockNativeSyncApi> {
   Future<List<HashResult>> Function() get hashAssets =>
       () => api.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess'));

mobile/test/unit/presentation/actions/remove_from_album_action_test.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/generated/translations.g.dart';
+import 'package:immich_mobile/presentation/actions/remove_from_album.action.dart';
+import 'package:mocktail/mocktail.dart';
+
+import '../../../domain/service.mock.dart';
+import '../../factories/remote_asset_factory.dart';
+import '../presentation_context.dart';
+
+void main() {
+  late PresentationContext context;
+  late MockRemoteAlbumService albumService;
+
+  setUp(() async {
+    context = await PresentationContext.create();
+    albumService = context.service.album.service;
+  });
+
+  tearDown(() {
+    context.dispose();
+  });
+
+  RemoteAsset remote() => RemoteAssetFactory.create(ownerId: context.currentUser.id);
+
+  group('RemoveFromAlbumAction', () {
+    testWidgets('removes the selected remote assets from the album', (tester) async {
+      final first = remote();
+      final second = remote();
+      final albumId = 'album';
+      final action = await tester.pumpTestAction(
+        context,
+        (scope) => RemoveFromAlbumAction(assets: [first, second], albumId: albumId, scope: scope),
+      );
+
+      expect(action.icon, Icons.remove_circle_outline);
+      expect(action.label, StaticTranslations.instance.remove_from_album);
+      verify(() => albumService.removeAssets(albumId: albumId, assetIds: [first.id, second.id])).called(1);
+    });
+
+    testWidgets('reports the removed count through the toast repository', (tester) async {
+      final toast = context.repository.toast;
+      final albumId = 'album';
+      when(context.service.album.removeAssets).thenAnswer((_) async => 2);
+
+      await tester.pumpTestAction(
+        context,
+        (scope) => RemoveFromAlbumAction(assets: [remote(), remote()], albumId: albumId, scope: scope),
+      );
+
+      final message = verify(() => toast.success(captureAny())).captured.single as String;
+      expect(message, StaticTranslations.instance.remove_from_album_action_prompt(count: 2));
+    });
+  });
+}

mobile/test/unit/presentation/actions/set_album_cover_action_test.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/generated/translations.g.dart';
+import 'package:immich_mobile/presentation/actions/set_album_cover.action.dart';
+import 'package:mocktail/mocktail.dart';
+
+import '../../../domain/service.mock.dart';
+import '../../factories/remote_asset_factory.dart';
+import '../presentation_context.dart';
+
+void main() {
+  late PresentationContext context;
+  late MockRemoteAlbumService albumService;
+
+  setUp(() async {
+    context = await PresentationContext.create();
+    albumService = context.service.album.service;
+  });
+
+  tearDown(() {
+    context.dispose();
+  });
+
+  RemoteAsset remote() => RemoteAssetFactory.create(ownerId: context.currentUser.id);
+
+  group('SetAlbumCoverAction', () {
+    testWidgets('sets the selected asset as the album cover', (tester) async {
+      final asset = remote();
+      const albumId = 'album';
+      final action = await tester.pumpTestAction(
+        context,
+        (scope) => SetAlbumCoverAction(assets: [asset], albumId: albumId, scope: scope),
+      );
+
+      expect(action.icon, Icons.image_outlined);
+      expect(action.label, StaticTranslations.instance.set_as_album_cover);
+      verify(() => albumService.updateAlbum(albumId, thumbnailAssetId: asset.id)).called(1);
+    });
+
+    testWidgets('is hidden unless exactly one remote asset is selected', (tester) async {
+      const albumId = 'album';
+      final action = await tester.pumpActionButton(
+        context,
+        (scope) => SetAlbumCoverAction(assets: [remote(), remote()], albumId: albumId, scope: scope),
+      );
+
+      expect(action.isVisible, isFalse);
+    });
+  });
+}

mobile/test/unit/presentation/presentation_context.dart

@@ -13,7 +13,9 @@ import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
 import 'package:immich_mobile/infrastructure/repositories/store.repository.dart';
 import 'package:immich_mobile/presentation/actions/action.dart';
 import 'package:immich_mobile/presentation/actions/action.widget.dart';
+import 'package:immich_mobile/providers/infrastructure/album.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
+import 'package:immich_mobile/services/gcast.service.dart';
 import 'package:immich_mobile/providers/infrastructure/toast.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/user.provider.dart';
 import 'package:immich_mobile/providers/user.provider.dart';
@@ -46,6 +48,8 @@ class PresentationContext {
     currentUserProvider.overrideWith((ref) => CurrentUserProvider(service.user.service)),
     assetServiceProvider.overrideWithValue(service.asset.service),
     partnerServiceProvider.overrideWithValue(service.partner.service),
+    remoteAlbumServiceProvider.overrideWithValue(service.album.service),
+    gCastServiceProvider.overrideWithValue(MockGCastService()),
     toastRepositoryProvider.overrideWithValue(repository.toast),
     gCastServiceProvider.overrideWithValue(MockGCastService()),
   ];