// 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 "chrome/renderer/translate_helper.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/chrome_constants.h"
#include "testing/gtest/include/gtest/gtest.h"
typedef testing::Test TranslateHelperTest;
// Tests that well-known language code typos are fixed.
TEST_F(TranslateHelperTest, LanguageCodeTypoCorrection) {
std::string language;
// Strip the second and later codes.
language = std::string("ja,en");
TranslateHelper::CorrectLanguageCodeTypo(&language);
EXPECT_EQ("ja", language);
// Replace dash with hyphen.
language = std::string("ja_JP");
TranslateHelper::CorrectLanguageCodeTypo(&language);
EXPECT_EQ("ja-JP", language);
// Correct wrong cases.
language = std::string("JA-jp");
TranslateHelper::CorrectLanguageCodeTypo(&language);
EXPECT_EQ("ja-JP", language);
}
// Tests that synonym language code is converted to one used in supporting list.
TEST_F(TranslateHelperTest, LanguageCodeSynonyms) {
std::string language;
language = std::string("nb");
TranslateHelper::ConvertLanguageCodeSynonym(&language);
EXPECT_EQ("no", language);
language = std::string("he");
TranslateHelper::ConvertLanguageCodeSynonym(&language);
EXPECT_EQ("iw", language);
language = std::string("jv");
TranslateHelper::ConvertLanguageCodeSynonym(&language);
EXPECT_EQ("jw", language);
language = std::string("fil");
TranslateHelper::ConvertLanguageCodeSynonym(&language);
EXPECT_EQ("tl", language);
}
// Tests that invalid language code is reset to empty string.
TEST_F(TranslateHelperTest, ResetInvalidLanguageCode) {
std::string language;
language = std::string("ja");
TranslateHelper::ResetInvalidLanguageCode(&language);
EXPECT_EQ("ja", language);
language = std::string("ja-JP");
TranslateHelper::ResetInvalidLanguageCode(&language);
EXPECT_EQ("ja-JP", language);
// Invalid because of three characters before hyphen.
language = std::string("utf-8");
TranslateHelper::ResetInvalidLanguageCode(&language);
EXPECT_TRUE(language.empty());
// Invalid because of six characters after hyphen.
language = std::string("ja-YUKARI");
TranslateHelper::ResetInvalidLanguageCode(&language);
EXPECT_TRUE(language.empty());
// Invalid because of three characters.
language = std::string("YMO");
TranslateHelper::ResetInvalidLanguageCode(&language);
EXPECT_TRUE(language.empty());
}
// Tests that the language meta tag providing wrong information is ignored by
// TranslateHelper due to disagreement between meta tag and CLD.
TEST_F(TranslateHelperTest, CLDDisagreeWithWrongLanguageCode) {
string16 contents = ASCIIToUTF16(
""
"This is a page apparently written in English. Even though "
"content-language is provided, the value will be ignored if the value "
"is suspicious.");
std::string language =
TranslateHelper::DeterminePageLanguage(std::string("ja"), contents);
EXPECT_EQ(chrome::kUnknownLanguageCode, language);
}
// Tests that the language meta tag providing wrong information is ignored and
// CLD's language will be adopted by TranslateHelper due to an invalid meta tag.
TEST_F(TranslateHelperTest, InvalidLanguageMetaTagProviding) {
string16 contents = ASCIIToUTF16(
""
"This is a page apparently written in English. Even though "
"content-language is provided, the value will be ignored and CLD's"
" language will be adopted if the value is invalid.");
std::string language =
TranslateHelper::DeterminePageLanguage(std::string("utf-8"), contents);
EXPECT_EQ("en", language);
}