[Hotword] Implement audio history pref accessing and setting.

chrome/browser/extensions/component_loader_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/extensions/component_loader.h"
 
 #include <string>
 
+#include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "chrome/browser/extensions/test_extension_service.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 189 matching lines @@
   EXPECT_EQ(1u, extension_service_.extensions()->size());
   component_loader_.Remove(extension_path_);
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
   // And after calling LoadAll(), it shouldn't get loaded.
   component_loader_.LoadAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 }
 
 TEST_F(ComponentLoaderTest, LoadAll) {
+  // This loads the hotword component extension which has a dependency on sync.
+  // However, this doesn't work with unittests so disable sync.
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(switches::kDisableSync);
+
   extension_service_.set_ready(false);
 
   // No extensions should be loaded if none were added.
   component_loader_.LoadAll();
   EXPECT_EQ(0u, extension_service_.extensions()->size());
 
   // Use LoadAll() to load the default extensions.
   component_loader_.AddDefaultComponentExtensions(false);
   component_loader_.LoadAll();
   unsigned int default_count = extension_service_.extensions()->size();
 
   // Clear the list of loaded extensions, and reload with one more.
   extension_service_.clear_extensions();
   component_loader_.Add(manifest_contents_, extension_path_);
   component_loader_.LoadAll();
 
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
 }
 
 TEST_F(ComponentLoaderTest, AddOrReplace) {
+  // This loads the hotword component extension which has a dependency on sync.
+  // However, this doesn't work with unittests so disable sync.
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(switches::kDisableSync);
+
   EXPECT_EQ(0u, component_loader_.registered_extensions_count());
   component_loader_.AddDefaultComponentExtensions(false);
   size_t const default_count = component_loader_.registered_extensions_count();
   base::FilePath known_extension = GetBasePath()
       .AppendASCII("override_component_extension");
   base::FilePath unknow_extension = extension_path_;
   base::FilePath invalid_extension = GetBasePath().AppendASCII("bad");
 
   // Replace a default component extension.
   component_loader_.AddOrReplace(known_extension);
@@ skipping 15 matching lines @@
   component_loader_.AddOrReplace(known_extension);
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
   EXPECT_EQ(1u, extension_service_.unloaded_count());
 
   // Add an invalid component extension.
   std::string extension_id = component_loader_.AddOrReplace(invalid_extension);
   EXPECT_TRUE(extension_id.empty());
 }
 
 }  // namespace extensions