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      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/browser/prefs/pref_service_mock_factory.h"
     17 #include "chrome/common/chrome_paths.h"
     18 #include "chrome/common/chrome_switches.h"
     19 #include "chrome/common/pref_names.h"
     20 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
     21 #include "chrome/test/base/testing_pref_service_syncable.h"
     22 #include "chrome/test/base/testing_profile.h"
     23 #include "components/policy/core/browser/configuration_policy_pref_store.h"
     24 #include "components/policy/core/common/mock_configuration_policy_provider.h"
     25 #include "components/pref_registry/pref_registry_syncable.h"
     26 #include "content/public/common/web_preferences.h"
     27 #include "content/public/test/web_contents_tester.h"
     28 #include "ui/base/test/data/resource.h"
     29 
     30 using content::WebContentsTester;
     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   CommandLine cmd_line(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   virtual void SetUp() {
     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   virtual void SetUp() {
     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     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       WebContentsTester::For(web_contents())->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 }
    140