Newznab indexers are tested before creating

src/NzbDrone.Core/Indexers/IndexerFactory.cs

@@ -16,12 +16,14 @@ namespace NzbDrone.Core.Indexers
     {
         private readonly IIndexerRepository _providerRepository;
         private readonly IEnumerable<IIndexer> _providers;
+        private readonly INewznabTestService _newznabTestService;
 
-        public IndexerFactory(IIndexerRepository providerRepository, IEnumerable<IIndexer> providers, IContainer container, Logger logger)
+        public IndexerFactory(IIndexerRepository providerRepository, IEnumerable<IIndexer> providers, IContainer container, INewznabTestService newznabTestService, Logger logger)
             : base(providerRepository, providers, container, logger)
         {
             _providerRepository = providerRepository;
             _providers = providers;
+            _newznabTestService = newznabTestService;
         }
 
         protected override void InitializeProviders()
@@ -43,5 +45,16 @@ namespace NzbDrone.Core.Indexers
         {
             return base.Active().Where(c => c.Enable).ToList();
         }
+
+        public override IndexerDefinition Create(IndexerDefinition definition)
+        {
+            if (definition.Implementation == typeof(Newznab.Newznab).Name)
+            {
+                var indexer = GetInstance(definition);
+                _newznabTestService.Test(indexer);
+            }
+
+            return base.Create(definition);
+        }
     }
 }