file_manager: Add DriveAppRegistry::UpdateFromAppList()

chrome/browser/chromeos/drive/drive_app_registry_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/drive/drive_app_registry.h"
 
 #include "base/files/file_path.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "chrome/browser/drive/fake_drive_service.h"
+#include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
+#include "chrome/browser/google_apis/test_util.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace drive {
 
 class DriveAppRegistryTest : public testing::Test {
  protected:
   virtual void SetUp() OVERRIDE {
     pref_service_.reset(new TestingPrefServiceSimple);
     test_util::RegisterDrivePrefs(pref_service_->registry());
@@ skipping 61 matching lines @@
 
   // Find by secondary MIME type.
   ScopedVector<DriveAppInfo> secondary_app;
   web_apps_registry_->GetAppsForFile(
       base::FilePath(), "text/html", &secondary_app);
   ASSERT_EQ(1U, secondary_app.size());
   VerifyApp(secondary_app, "abcdefghabcdefghabcdefghabcdefgh", "123456788192",
             "Drive app 1", "", false);
 }
 
+TEST_F(DriveAppRegistryTest, UpdateFromAppList) {
+  scoped_ptr<base::Value> app_info_value =
+      google_apis::test_util::LoadJSONFile("drive/applist.json");
+  scoped_ptr<google_apis::AppList> app_list(
+      google_apis::AppList::CreateFrom(*app_info_value));
+
+  web_apps_registry_->UpdateFromAppList(*app_list);
+
+  // Confirm that something was loaded from applist.json.
+  ScopedVector<DriveAppInfo> ext_results;
+  base::FilePath ext_file(FILE_PATH_LITERAL("drive/file.exe"));
+  web_apps_registry_->GetAppsForFile(ext_file, std::string(), &ext_results);
+  ASSERT_EQ(1U, ext_results.size());
+}
+
 TEST_F(DriveAppRegistryTest, MultipleUpdate) {
   // Call Update().
   web_apps_registry_->Update();
 
   // Call Update() again.
   // This call should be ignored because there is already an ongoing update.
   web_apps_registry_->Update();
 
   // The app list should be loaded only once.
   base::RunLoop().RunUntilIdle();
@@ skipping 32 matching lines @@
   // should be returned.
   EXPECT_EQ(kSmallerIconUrl,
             util::FindPreferredIcon(icons, kMediumSize - 3).spec());
   // The requested size is larger than the largest icon. The largest icon
   // should be returned.
   EXPECT_EQ(kBiggerIconUrl,
             util::FindPreferredIcon(icons, kMediumSize + 3).spec());
 }
 
 }  // namespace drive