chrome/browser/prefs/chrome_pref_service_unittest.cc

   1 // Copyright (c) 2013 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 "base/command_line.h"
   6 #include "base/files/file_util.h"
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/path_service.h"
  10 #include "base/prefs/pref_registry_simple.h"
  11 #include "base/prefs/scoped_user_pref_update.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/values.h"
  14 #include "chrome/browser/prefs/browser_prefs.h"
  15 #include "chrome/browser/prefs/command_line_pref_store.h"
  16 #include "chrome/common/chrome_paths.h"
  17 #include "chrome/common/chrome_switches.h"
  18 #include "chrome/common/pref_names.h"
  19 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
  20 #include "chrome/test/base/testing_profile.h"
  21 #include "components/policy/core/browser/configuration_policy_pref_store.h"
  22 #include "components/policy/core/common/mock_configuration_policy_provider.h"
  23 #include "components/pref_registry/pref_registry_syncable.h"
  24 #include "components/syncable_prefs/pref_service_mock_factory.h"
  25 #include "components/syncable_prefs/testing_pref_service_syncable.h"
  26 #include "content/public/common/web_preferences.h"
  27 #include "content/public/test/test_renderer_host.h"
  28 #include "ui/base/test/data/resource.h"
  29
  30 using content::RenderViewHostTester;
  31 using content::WebPreferences;
  32
  33 TEST(ChromePrefServiceTest, UpdateCommandLinePrefStore) {
  34   TestingPrefServiceSimple prefs;
  35   prefs.registry()->RegisterBooleanPref(prefs::kCloudPrintProxyEnabled, false);
  36
  37   // Check to make sure the value is as expected.
  38   const PrefService::Preference* pref =
  39       prefs.FindPreference(prefs::kCloudPrintProxyEnabled);
  40   ASSERT_TRUE(pref);
  41   const base::Value* value = pref->GetValue();
  42   ASSERT_TRUE(value);
  43   EXPECT_EQ(base::Value::TYPE_BOOLEAN, value->GetType());
  44   bool actual_bool_value = true;
  45   EXPECT_TRUE(value->GetAsBoolean(&actual_bool_value));
  46   EXPECT_FALSE(actual_bool_value);
  47
  48   // Change the command line.
  49   base::CommandLine cmd_line(base::CommandLine::NO_PROGRAM);
  50   cmd_line.AppendSwitch(switches::kEnableCloudPrintProxy);
  51
  52   // Call UpdateCommandLinePrefStore and check to see if the value has changed.
  53   prefs.UpdateCommandLinePrefStore(new CommandLinePrefStore(&cmd_line));
  54   pref = prefs.FindPreference(prefs::kCloudPrintProxyEnabled);
  55   ASSERT_TRUE(pref);
  56   value = pref->GetValue();
  57   ASSERT_TRUE(value);
  58   EXPECT_EQ(base::Value::TYPE_BOOLEAN, value->GetType());
  59   actual_bool_value = false;
  60   EXPECT_TRUE(value->GetAsBoolean(&actual_bool_value));
  61   EXPECT_TRUE(actual_bool_value);
  62 }
  63
  64 class ChromePrefServiceUserFilePrefsTest : public testing::Test {
  65  protected:
  66   void SetUp() override {
  67     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  68
  69     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_dir_));
  70     data_dir_ = data_dir_.AppendASCII("pref_service");
  71     ASSERT_TRUE(base::PathExists(data_dir_));
  72   }
  73
  74   void ClearListValue(PrefService* prefs, const char* key) {
  75     ListPrefUpdate updater(prefs, key);
  76     updater->Clear();
  77   }
  78
  79   void ClearDictionaryValue(PrefService* prefs, const char* key) {
  80     DictionaryPrefUpdate updater(prefs, key);
  81     updater->Clear();
  82   }
  83
  84   // The path to temporary directory used to contain the test operations.
  85   base::ScopedTempDir temp_dir_;
  86   // The path to the directory where the test data is stored.
  87   base::FilePath data_dir_;
  88   // A message loop that we can use as the file thread message loop.
  89   base::MessageLoop message_loop_;
  90 };
  91
  92 class ChromePrefServiceWebKitPrefs : public ChromeRenderViewHostTestHarness {
  93  protected:
  94   void SetUp() override {
  95     ChromeRenderViewHostTestHarness::SetUp();
  96
  97     // Supply our own profile so we use the correct profile data. The test
  98     // harness is not supposed to overwrite a profile if it's already created.
  99
 100     // Set some (WebKit) user preferences.
 101     syncable_prefs::TestingPrefServiceSyncable* pref_services =
 102         profile()->GetTestingPrefService();
 103     pref_services->SetUserPref(prefs::kDefaultCharset,
 104                                new base::StringValue("utf8"));
 105     pref_services->SetUserPref(prefs::kWebKitDefaultFontSize,
 106                                new base::FundamentalValue(20));
 107     pref_services->SetUserPref(prefs::kWebKitTextAreasAreResizable,
 108                                new base::FundamentalValue(false));
 109     pref_services->SetUserPref(prefs::kWebKitUsesUniversalDetector,
 110                                new base::FundamentalValue(true));
 111     pref_services->SetUserPref("webkit.webprefs.foo",
 112                                new base::StringValue("bar"));
 113   }
 114 };
 115
 116 // Tests to see that webkit preferences are properly loaded and copied over
 117 // to a WebPreferences object.
 118 TEST_F(ChromePrefServiceWebKitPrefs, PrefsCopied) {
 119   WebPreferences webkit_prefs =
 120       RenderViewHostTester::For(rvh())->TestComputeWebkitPrefs();
 121
 122   // These values have been overridden by the profile preferences.
 123   EXPECT_EQ("UTF-8", webkit_prefs.default_encoding);
 124   EXPECT_EQ(20, webkit_prefs.default_font_size);
 125   EXPECT_FALSE(webkit_prefs.text_areas_are_resizable);
 126   EXPECT_TRUE(webkit_prefs.uses_universal_detector);
 127
 128   // These should still be the default values.
 129 #if defined(OS_MACOSX)
 130   const char kDefaultFont[] = "Times";
 131 #elif defined(OS_CHROMEOS)
 132   const char kDefaultFont[] = "Tinos";
 133 #else
 134   const char kDefaultFont[] = "Times New Roman";
 135 #endif
 136   EXPECT_EQ(base::ASCIIToUTF16(kDefaultFont),
 137             webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
 138   EXPECT_TRUE(webkit_prefs.javascript_enabled);
 139 }