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// Copyright 2014 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/ui/webui/chromeos/login/l10n_util.h"
#include <stddef.h>
#include <utility>
#include "base/at_exit.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/memory/singleton.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/values.h"
#include "chrome/browser/chromeos/customization/customization_document.h"
#include "chrome/browser/chromeos/input_method/input_method_configuration.h"
#include "chrome/browser/ui/webui/chromeos/login/l10n_util_test_util.h"
#include "chromeos/system/statistics_provider.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/ime/chromeos/component_extension_ime_manager.h"
namespace chromeos {
namespace {
class MachineStatisticsInitializer {
public:
MachineStatisticsInitializer();
static MachineStatisticsInitializer* GetInstance();
private:
DISALLOW_COPY_AND_ASSIGN(MachineStatisticsInitializer);
};
MachineStatisticsInitializer::MachineStatisticsInitializer() {
base::MessageLoop loop;
chromeos::system::StatisticsProvider::GetInstance()
->StartLoadingMachineStatistics(loop.task_runner(), false);
base::RunLoop().RunUntilIdle();
}
// static
MachineStatisticsInitializer* MachineStatisticsInitializer::GetInstance() {
return base::Singleton<MachineStatisticsInitializer>::get();
}
void VerifyOnlyUILanguages(const base::ListValue& list) {
for (size_t i = 0; i < list.GetSize(); ++i) {
const base::DictionaryValue* dict;
ASSERT_TRUE(list.GetDictionary(i, &dict));
std::string code;
ASSERT_TRUE(dict->GetString("code", &code));
EXPECT_NE("is", code)
<< "Icelandic is an example language which has input method "
<< "but can't use it as UI language.";
}
}
void VerifyLanguageCode(const base::ListValue& list,
size_t index,
const std::string& expected_code) {
const base::DictionaryValue* dict;
ASSERT_TRUE(list.GetDictionary(index, &dict));
std::string actual_code;
ASSERT_TRUE(dict->GetString("code", &actual_code));
EXPECT_EQ(expected_code, actual_code)
<< "Wrong language code at index " << index << ".";
}
} // namespace
class L10nUtilTest : public testing::Test {
public:
L10nUtilTest();
~L10nUtilTest() override;
// testing::Test:
void SetUp() override;
void TearDown() override;
void SetInputMethods1();
void SetInputMethods2();
private:
base::ShadowingAtExitManager at_exit_manager_;
MockInputMethodManagerWithInputMethods* input_manager_;
};
L10nUtilTest::L10nUtilTest()
: input_manager_(new MockInputMethodManagerWithInputMethods) {
}
L10nUtilTest::~L10nUtilTest() {
}
void L10nUtilTest::SetUp() {
chromeos::input_method::InitializeForTesting(input_manager_);
input_manager_->SetComponentExtensionIMEManager(
base::WrapUnique(new ComponentExtensionIMEManager));
MachineStatisticsInitializer::GetInstance(); // Ignore result.
}
void L10nUtilTest::TearDown() {
chromeos::input_method::Shutdown();
}
void L10nUtilTest::SetInputMethods1() {
input_manager_->AddInputMethod("xkb:us::eng", "us", "en-US");
input_manager_->AddInputMethod("xkb:fr::fra", "fr", "fr");
input_manager_->AddInputMethod("xkb:be::fra", "be", "fr");
input_manager_->AddInputMethod("xkb:is::ice", "is", "is");
}
void L10nUtilTest::SetInputMethods2() {
input_manager_->AddInputMethod("xkb:us::eng", "us", "en-US");
input_manager_->AddInputMethod("xkb:ch:fr:fra", "ch(fr)", "fr");
input_manager_->AddInputMethod("xkb:ch::ger", "ch", "de");
input_manager_->AddInputMethod("xkb:it::ita", "it", "it");
input_manager_->AddInputMethod("xkb:is::ice", "is", "is");
}
TEST_F(L10nUtilTest, GetUILanguageList) {
SetInputMethods1();
// This requires initialized StatisticsProvider (see L10nUtilTest()).
std::unique_ptr<base::ListValue> list(GetUILanguageList(NULL, std::string()));
VerifyOnlyUILanguages(*list);
}
TEST_F(L10nUtilTest, FindMostRelevantLocale) {
base::ListValue available_locales;
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
dict->SetString("value", "de");
available_locales.Append(std::move(dict));
dict.reset(new base::DictionaryValue);
dict->SetString("value", "fr");
available_locales.Append(std::move(dict));
dict.reset(new base::DictionaryValue);
dict->SetString("value", "en-GB");
available_locales.Append(std::move(dict));
std::vector<std::string> most_relevant_language_codes;
EXPECT_EQ("en-US", FindMostRelevantLocale(most_relevant_language_codes,
available_locales,
"en-US"));
most_relevant_language_codes.push_back("xx");
EXPECT_EQ("en-US", FindMostRelevantLocale(most_relevant_language_codes,
available_locales,
"en-US"));
most_relevant_language_codes.push_back("fr");
EXPECT_EQ("fr", FindMostRelevantLocale(most_relevant_language_codes,
available_locales,
"en-US"));
most_relevant_language_codes.push_back("de");
EXPECT_EQ("fr", FindMostRelevantLocale(most_relevant_language_codes,
available_locales,
"en-US"));
}
void InitStartupCustomizationDocumentForTesting(const std::string& manifest) {
StartupCustomizationDocument::GetInstance()->LoadManifestFromString(manifest);
StartupCustomizationDocument::GetInstance()->Init(
chromeos::system::StatisticsProvider::GetInstance());
}
const char kStartupManifest[] =
"{\n"
" \"version\": \"1.0\",\n"
" \"initial_locale\" : \"fr,en-US,de,is,it\",\n"
" \"initial_timezone\" : \"Europe/Zurich\",\n"
" \"keyboard_layout\" : \"xkb:ch:fr:fra\",\n"
" \"registration_url\" : \"http://www.google.com\",\n"
" \"setup_content\" : {\n"
" \"default\" : {\n"
" \"help_page\" : \"file:///opt/oem/help/en-US/help.html\",\n"
" \"eula_page\" : \"file:///opt/oem/eula/en-US/eula.html\",\n"
" },\n"
" },"
"}";
TEST_F(L10nUtilTest, GetUILanguageListMulti) {
InitStartupCustomizationDocumentForTesting(kStartupManifest);
SetInputMethods2();
// This requires initialized StatisticsProvider (see L10nUtilTest()).
std::unique_ptr<base::ListValue> list(GetUILanguageList(NULL, std::string()));
VerifyOnlyUILanguages(*list);
// (4 languages (except Icelandic) + divider) = 5 + all other languages
ASSERT_LE(5u, list->GetSize());
VerifyLanguageCode(*list, 0, "fr");
VerifyLanguageCode(*list, 1, "en-US");
VerifyLanguageCode(*list, 2, "de");
VerifyLanguageCode(*list, 3, "it");
VerifyLanguageCode(*list, 4, kMostRelevantLanguagesDivider);
}
TEST_F(L10nUtilTest, GetUILanguageListWithMostRelevant) {
std::vector<std::string> most_relevant_language_codes;
most_relevant_language_codes.push_back("it");
most_relevant_language_codes.push_back("de");
most_relevant_language_codes.push_back("nonexistent");
// This requires initialized StatisticsProvider (see L10nUtilTest()).
std::unique_ptr<base::ListValue> list(
GetUILanguageList(&most_relevant_language_codes, std::string()));
VerifyOnlyUILanguages(*list);
ASSERT_LE(3u, list->GetSize());
VerifyLanguageCode(*list, 0, "it");
VerifyLanguageCode(*list, 1, "de");
VerifyLanguageCode(*list, 2, kMostRelevantLanguagesDivider);
}
} // namespace chromeos
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