Add a full end-to-end test for Background Fetch

content/browser/background_fetch/background_fetch_embedded_worker_test_helper.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/background_fetch/background_fetch_embedded_worker_test_helper.h"
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "content/common/background_fetch/background_fetch_types.h"
 #include "content/common/service_worker/service_worker_event_dispatcher.mojom.h"
@@ skipping 13 matching lines @@
     const mojom::ServiceWorkerEventDispatcher::
         DispatchBackgroundFetchAbortEventCallback& callback) {
   last_tag_ = tag;
 
   if (fail_abort_event_) {
     callback.Run(SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED,
                  base::Time::Now());
   } else {
     callback.Run(SERVICE_WORKER_OK, base::Time::Now());
   }
+
+  if (abort_event_closure_)
+    abort_event_closure_.Run();
 }
 
 void BackgroundFetchEmbeddedWorkerTestHelper::OnBackgroundFetchClickEvent(
     const std::string& tag,
     mojom::BackgroundFetchState state,
     const mojom::ServiceWorkerEventDispatcher::
         DispatchBackgroundFetchClickEventCallback& callback) {
   last_tag_ = tag;
   last_state_ = state;
 
   if (fail_click_event_) {
     callback.Run(SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED,
                  base::Time::Now());
   } else {
     callback.Run(SERVICE_WORKER_OK, base::Time::Now());
   }
+
+  if (click_event_closure_)
+    click_event_closure_.Run();
 }
 
 void BackgroundFetchEmbeddedWorkerTestHelper::OnBackgroundFetchFailEvent(
     const std::string& tag,
     const std::vector<BackgroundFetchSettledFetch>& fetches,
     const mojom::ServiceWorkerEventDispatcher::
         DispatchBackgroundFetchFailEventCallback& callback) {
   last_tag_ = tag;
   last_fetches_ = fetches;
 
   if (fail_fetch_fail_event_) {
     callback.Run(SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED,
                  base::Time::Now());
   } else {
     callback.Run(SERVICE_WORKER_OK, base::Time::Now());
   }
+
+  if (fetch_fail_event_closure_)
+    fetch_fail_event_closure_.Run();
 }
 
 void BackgroundFetchEmbeddedWorkerTestHelper::OnBackgroundFetchedEvent(
     const std::string& tag,
     const std::vector<BackgroundFetchSettledFetch>& fetches,
     const mojom::ServiceWorkerEventDispatcher::
         DispatchBackgroundFetchedEventCallback& callback) {
   last_tag_ = tag;
   last_fetches_ = fetches;
 
   if (fail_fetched_event_) {
     callback.Run(SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED,
                  base::Time::Now());
   } else {
     callback.Run(SERVICE_WORKER_OK, base::Time::Now());
   }
+
+  if (fetched_event_closure_)
+    fetched_event_closure_.Run();
 }
 
 }  // namespace content