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// Copyright (c) 2013 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 "base/command_line.h"
#include "base/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/scoped_ptr.h"
#include "base/path_service.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/policy/configuration_policy_pref_store.h"
#include "chrome/browser/policy/mock_configuration_policy_provider.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/browser/prefs/command_line_pref_store.h"
#include "chrome/browser/prefs/pref_service_mock_builder.h"
#include "chrome/browser/prefs/scoped_user_pref_update.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/base/testing_pref_service_syncable.h"
#include "chrome/test/base/testing_profile.h"
#include "components/user_prefs/pref_registry_syncable.h"
#include "content/public/test/web_contents_tester.h"
#include "ui/base/test/data/resource.h"
#include "webkit/common/webpreferences.h"
using content::WebContentsTester;
TEST(ChromePrefServiceTest, UpdateCommandLinePrefStore) {
TestingPrefServiceSimple prefs;
prefs.registry()->RegisterBooleanPref(prefs::kCloudPrintProxyEnabled, false);
// Check to make sure the value is as expected.
const PrefService::Preference* pref =
prefs.FindPreference(prefs::kCloudPrintProxyEnabled);
ASSERT_TRUE(pref);
const Value* value = pref->GetValue();
ASSERT_TRUE(value);
EXPECT_EQ(Value::TYPE_BOOLEAN, value->GetType());
bool actual_bool_value = true;
EXPECT_TRUE(value->GetAsBoolean(&actual_bool_value));
EXPECT_FALSE(actual_bool_value);
// Change the command line.
CommandLine cmd_line(CommandLine::NO_PROGRAM);
cmd_line.AppendSwitch(switches::kEnableCloudPrintProxy);
// Call UpdateCommandLinePrefStore and check to see if the value has changed.
prefs.UpdateCommandLinePrefStore(new CommandLinePrefStore(&cmd_line));
pref = prefs.FindPreference(prefs::kCloudPrintProxyEnabled);
ASSERT_TRUE(pref);
value = pref->GetValue();
ASSERT_TRUE(value);
EXPECT_EQ(Value::TYPE_BOOLEAN, value->GetType());
actual_bool_value = false;
EXPECT_TRUE(value->GetAsBoolean(&actual_bool_value));
EXPECT_TRUE(actual_bool_value);
}
class ChromePrefServiceUserFilePrefsTest : public testing::Test {
protected:
virtual void SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_dir_));
data_dir_ = data_dir_.AppendASCII("pref_service");
ASSERT_TRUE(file_util::PathExists(data_dir_));
}
void ClearListValue(PrefService* prefs, const char* key) {
ListPrefUpdate updater(prefs, key);
updater->Clear();
}
void ClearDictionaryValue(PrefService* prefs, const char* key) {
DictionaryPrefUpdate updater(prefs, key);
updater->Clear();
}
// The path to temporary directory used to contain the test operations.
base::ScopedTempDir temp_dir_;
// The path to the directory where the test data is stored.
base::FilePath data_dir_;
// A message loop that we can use as the file thread message loop.
base::MessageLoop message_loop_;
};
// Verifies that ListValue and DictionaryValue pref with non emtpy default
// preserves its empty value.
TEST_F(ChromePrefServiceUserFilePrefsTest, PreserveEmptyValue) {
base::FilePath pref_file = temp_dir_.path().AppendASCII("write.json");
ASSERT_TRUE(file_util::CopyFile(
data_dir_.AppendASCII("read.need_empty_value.json"),
pref_file));
PrefServiceMockBuilder builder;
builder.WithUserFilePrefs(pref_file,
message_loop_.message_loop_proxy().get());
scoped_refptr<user_prefs::PrefRegistrySyncable> registry(
new user_prefs::PrefRegistrySyncable);
scoped_ptr<PrefServiceSyncable> prefs(builder.CreateSyncable(registry.get()));
// Register testing prefs.
registry->RegisterListPref("list",
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
registry->RegisterDictionaryPref(
"dict",
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
base::ListValue* non_empty_list = new base::ListValue;
non_empty_list->Append(base::Value::CreateStringValue("test"));
registry->RegisterListPref("list_needs_empty_value",
non_empty_list,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
base::DictionaryValue* non_empty_dict = new base::DictionaryValue;
non_empty_dict->SetString("dummy", "whatever");
registry->RegisterDictionaryPref(
"dict_needs_empty_value",
non_empty_dict,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
// Set all testing prefs to empty.
ClearListValue(prefs.get(), "list");
ClearListValue(prefs.get(), "list_needs_empty_value");
ClearDictionaryValue(prefs.get(), "dict");
ClearDictionaryValue(prefs.get(), "dict_needs_empty_value");
// Write to file.
prefs->CommitPendingWrite();
message_loop_.RunUntilIdle();
// Compare to expected output.
base::FilePath golden_output_file =
data_dir_.AppendASCII("write.golden.need_empty_value.json");
ASSERT_TRUE(file_util::PathExists(golden_output_file));
EXPECT_TRUE(file_util::TextContentsEqual(golden_output_file, pref_file));
}
class ChromePrefServiceWebKitPrefs : public ChromeRenderViewHostTestHarness {
protected:
virtual void SetUp() {
ChromeRenderViewHostTestHarness::SetUp();
// Supply our own profile so we use the correct profile data. The test
// harness is not supposed to overwrite a profile if it's already created.
// Set some (WebKit) user preferences.
TestingPrefServiceSyncable* pref_services =
profile()->GetTestingPrefService();
#if defined(TOOLKIT_GTK)
pref_services->SetUserPref(prefs::kUsesSystemTheme,
Value::CreateBooleanValue(false));
#endif
pref_services->SetUserPref(prefs::kDefaultCharset,
Value::CreateStringValue("utf8"));
pref_services->SetUserPref(prefs::kWebKitDefaultFontSize,
Value::CreateIntegerValue(20));
pref_services->SetUserPref(prefs::kWebKitTextAreasAreResizable,
Value::CreateBooleanValue(false));
pref_services->SetUserPref(prefs::kWebKitUsesUniversalDetector,
Value::CreateBooleanValue(true));
pref_services->SetUserPref("webkit.webprefs.foo",
Value::CreateStringValue("bar"));
}
};
// Tests to see that webkit preferences are properly loaded and copied over
// to a WebPreferences object.
TEST_F(ChromePrefServiceWebKitPrefs, PrefsCopied) {
WebPreferences webkit_prefs =
WebContentsTester::For(web_contents())->TestGetWebkitPrefs();
// These values have been overridden by the profile preferences.
EXPECT_EQ("UTF-8", webkit_prefs.default_encoding);
EXPECT_EQ(20, webkit_prefs.default_font_size);
EXPECT_FALSE(webkit_prefs.text_areas_are_resizable);
EXPECT_TRUE(webkit_prefs.uses_universal_detector);
// These should still be the default values.
#if defined(OS_MACOSX)
const char kDefaultFont[] = "Times";
#elif defined(OS_CHROMEOS)
const char kDefaultFont[] = "Tinos";
#else
const char kDefaultFont[] = "Times New Roman";
#endif
EXPECT_EQ(ASCIIToUTF16(kDefaultFont),
webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
EXPECT_TRUE(webkit_prefs.javascript_enabled);
}
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