generation-aware playback statuses

internal/playback/video_worker_test.go

@@ -151,6 +151,28 @@ func TestVideoWorkerRejectsInactiveFeed(t *testing.T) {
 	}
 }
 
+func TestVideoWorkerStatusesInheritGeneration(t *testing.T) {
+	openErr := errors.New("unavailable")
+	var statuses []Status
+	worker := newTestVideoWorker(
+		t,
+		&scriptedVideoFactory{results: []videoOpenResult{{err: openErr}}},
+		&fakeVideoSink{},
+		1,
+		func(error) bool { return true },
+		func(status Status) { statuses = append(statuses, status) },
+	)
+	_ = worker.Run(withGeneration(context.Background(), 7), activeVideoConfig())
+	if len(statuses) == 0 {
+		t.Fatal("no statuses emitted")
+	}
+	for _, status := range statuses {
+		if status.Generation != 7 {
+			t.Fatalf("status generation = %d, want 7: %+v", status.Generation, status)
+		}
+	}
+}
+
 func TestVideoWorkerExhaustsOpenRetries(t *testing.T) {
 	openErr := errors.New("producer unavailable")
 	factory := &scriptedVideoFactory{