Hook up the actions in the media details sheet. (#3607)

UnitTests/Sources/TimelineMediaPreviewViewModelTests.swift

@@ -16,12 +16,14 @@ class TimelineMediaPreviewViewModelTests: XCTestCase {
     var viewModel: TimelineMediaPreviewViewModel!
     var context: TimelineMediaPreviewViewModel.Context { viewModel.context }
     var mediaProvider: MediaProviderMock!
+    var timelineController: MockRoomTimelineController!
     
-    func testLoadingItem() async throws {
+    func testLoadingItem() async {
         // Given a fresh view model.
         setupViewModel()
         XCTAssertFalse(mediaProvider.loadFileFromSourceFilenameCalled)
         XCTAssertEqual(context.viewState.currentItem, context.viewState.previewItems[0])
+        XCTAssertNotNil(context.viewState.currentItemActions)
         
         // When the preview controller sets the current item.
         await viewModel.updateCurrentItem(context.viewState.previewItems[0])
@@ -29,6 +31,42 @@ class TimelineMediaPreviewViewModelTests: XCTestCase {
         // Then the view model should load the item and update its view state.
         XCTAssertTrue(mediaProvider.loadFileFromSourceFilenameCalled)
         XCTAssertEqual(context.viewState.currentItem, context.viewState.previewItems[0])
+        XCTAssertNotNil(context.viewState.currentItemActions)
+    }
+    
+    func testViewInRoomTimeline() async throws {
+        // Given a view model with a loaded item.
+        await testLoadingItem()
+        
+        // When choosing to view the current item in the timeline.
+        let currentItemID = context.viewState.currentItem.id
+        let deferred = deferFulfillment(viewModel.actions) { $0 == .viewInRoomTimeline(currentItemID) }
+        context.send(viewAction: .menuAction(.viewInRoomTimeline))
+        
+        // Then the action should be sent upwards to make this happen.
+        try await deferred.fulfill()
+    }
+    
+    func testRedactConfirmation() async throws {
+        // Given a view model with a loaded item.
+        await testLoadingItem()
+        XCTAssertFalse(context.isPresentingRedactConfirmation)
+        XCTAssertFalse(timelineController.redactCalled)
+        
+        // When choosing to redact the current item.
+        context.send(viewAction: .menuAction(.redact))
+        
+        // Then the confirmation sheet should be presented.
+        XCTAssertTrue(context.isPresentingRedactConfirmation)
+        XCTAssertFalse(timelineController.redactCalled)
+        
+        // When confirming the redaction.
+        let deferred = deferFulfillment(viewModel.actions) { $0 == .dismiss }
+        context.send(viewAction: .redactConfirmation)
+        
+        // Then the item should be redacted and the view should be dismissed.
+        try await deferred.fulfill()
+        XCTAssertTrue(timelineController.redactCalled)
     }
     
     // MARK: - Helpers
@@ -46,9 +84,13 @@ class TimelineMediaPreviewViewModelTests: XCTestCase {
                                                         imageInfo: .mockImage,
                                                         thumbnailInfo: .mockThumbnail))
         
+        timelineController = MockRoomTimelineController(timelineKind: .media(.mediaFilesScreen))
+        timelineController.timelineItems = [item]
+        
         mediaProvider = MediaProviderMock(configuration: .init())
         viewModel = TimelineMediaPreviewViewModel(initialItem: item,
-                                                  timelineViewModel: TimelineViewModel.mock,
+                                                  timelineViewModel: TimelineViewModel.mock(timelineKind: .media(.mediaFilesScreen),
+                                                                                            timelineController: timelineController),
                                                   mediaProvider: mediaProvider,
                                                   userIndicatorController: UserIndicatorControllerMock())
     }