extensions/shell/browser/shell_prefs_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/shell/browser/shell_prefs.h"
   6
   7 #include "base/path_service.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "components/user_prefs/user_prefs.h"
  10 #include "content/public/test/test_browser_context.h"
  11 #include "content/public/test/test_browser_thread_bundle.h"
  12 #include "extensions/common/extension_paths.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace extensions {
  16 namespace {
  17
  18 // A BrowserContext that uses a test data directory as its data path.
  19 class PrefsTestBrowserContext : public content::TestBrowserContext {
  20  public:
  21   PrefsTestBrowserContext() {}
  22   ~PrefsTestBrowserContext() override {}
  23
  24   // content::BrowserContext:
  25   base::FilePath GetPath() const override {
  26     base::FilePath path;
  27     PathService::Get(extensions::DIR_TEST_DATA, &path);
  28     return path.AppendASCII("shell_prefs");
  29   }
  30
  31  private:
  32   DISALLOW_COPY_AND_ASSIGN(PrefsTestBrowserContext);
  33 };
  34
  35 class ShellPrefsTest : public testing::Test {
  36  public:
  37   ShellPrefsTest() {}
  38   ~ShellPrefsTest() override {}
  39
  40  protected:
  41   content::TestBrowserThreadBundle thread_bundle_;
  42   PrefsTestBrowserContext browser_context_;
  43 };
  44
  45 TEST_F(ShellPrefsTest, CreateLocalState) {
  46   scoped_ptr<PrefService> local_state =
  47       shell_prefs::CreateLocalState(browser_context_.GetPath());
  48   ASSERT_TRUE(local_state);
  49
  50 #if defined(OS_CHROMEOS)
  51   // Verify prefs were registered.
  52   EXPECT_TRUE(local_state->FindPreference("hardware.audio_output_enabled"));
  53
  54   // Verify the test values were read.
  55   EXPECT_FALSE(local_state->GetBoolean("hardware.audio_output_enabled"));
  56 #endif
  57 }
  58
  59 TEST_F(ShellPrefsTest, CreateUserPrefService) {
  60   // Create the pref service. This loads the test pref file.
  61   scoped_ptr<PrefService> service =
  62       shell_prefs::CreateUserPrefService(&browser_context_);
  63
  64   // Some basic extension preferences are registered.
  65   EXPECT_TRUE(service->FindPreference("extensions.settings"));
  66   EXPECT_TRUE(service->FindPreference("extensions.toolbarsize"));
  67   EXPECT_FALSE(service->FindPreference("should.not.exist"));
  68
  69   // User prefs from the file have been read correctly.
  70   EXPECT_EQ("1.2.3.4", service->GetString("extensions.last_chrome_version"));
  71   EXPECT_EQ(123, service->GetInteger("extensions.toolbarsize"));
  72
  73   // The user prefs system has been initialized.
  74   EXPECT_EQ(service.get(), user_prefs::UserPrefs::Get(&browser_context_));
  75 }
  76
  77 }  // namespace
  78 }  // namespace extensions