components/translate/core/browser/translate_prefs_unittest.cc

   1 // Copyright 2014 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 "components/translate/core/browser/translate_prefs.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "components/translate/core/browser/translate_download_manager.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace translate {
  15
  16 TEST(TranslatePrefsTest, CreateBlockedLanguages) {
  17   TranslateDownloadManager::GetInstance()->set_application_locale("en");
  18   std::vector<std::string> blacklisted_languages;
  19   blacklisted_languages.push_back("en");
  20   blacklisted_languages.push_back("fr");
  21   // Hebrew: synonym to 'he'
  22   blacklisted_languages.push_back("iw");
  23   // Haitian is not used as Accept-Language
  24   blacklisted_languages.push_back("ht");
  25
  26   std::vector<std::string> accept_languages;
  27   accept_languages.push_back("en");
  28   // The subcode (IT) will be ignored when merging, except for Chinese.
  29   accept_languages.push_back("it-IT");
  30   accept_languages.push_back("ja");
  31   // Filippino: synonym to 'tl'
  32   accept_languages.push_back("fil");
  33   // General Chinese is not used as Translate language, but not filtered
  34   // when merging.
  35   accept_languages.push_back("zh");
  36   // Chinese with a sub code is acceptable for the blocked-language list.
  37   accept_languages.push_back("zh-TW");
  38
  39   std::vector<std::string> blocked_languages;
  40
  41   TranslatePrefs::CreateBlockedLanguages(&blocked_languages,
  42                                          blacklisted_languages,
  43                                          accept_languages);
  44
  45   // The order of the elements cannot be determined.
  46   std::vector<std::string> expected;
  47   expected.push_back("en");
  48   expected.push_back("fr");
  49   expected.push_back("iw");
  50   expected.push_back("ht");
  51   expected.push_back("it");
  52   expected.push_back("ja");
  53   expected.push_back("tl");
  54   expected.push_back("zh");
  55   expected.push_back("zh-TW");
  56
  57   EXPECT_EQ(expected.size(), blocked_languages.size());
  58   for (std::vector<std::string>::const_iterator it = expected.begin();
  59        it != expected.end(); ++it) {
  60     EXPECT_NE(blocked_languages.end(),
  61               std::find(blocked_languages.begin(),
  62                         blocked_languages.end(),
  63                         *it));
  64   }
  65 }
  66
  67 TEST(TranslatePrefsTest, CreateBlockedLanguagesNonEnglishUI) {
  68   std::vector<std::string> blacklisted_languages;
  69   blacklisted_languages.push_back("fr");
  70
  71   std::vector<std::string> accept_languages;
  72   accept_languages.push_back("en");
  73   accept_languages.push_back("ja");
  74   accept_languages.push_back("zh");
  75
  76   // Run in an English locale.
  77   {
  78     TranslateDownloadManager::GetInstance()->set_application_locale("en");
  79     std::vector<std::string> blocked_languages;
  80     TranslatePrefs::CreateBlockedLanguages(&blocked_languages,
  81                                            blacklisted_languages,
  82                                            accept_languages);
  83     std::vector<std::string> expected;
  84     expected.push_back("en");
  85     expected.push_back("fr");
  86     expected.push_back("ja");
  87     expected.push_back("zh");
  88
  89     EXPECT_EQ(expected.size(), blocked_languages.size());
  90     for (std::vector<std::string>::const_iterator it = expected.begin();
  91          it != expected.end(); ++it) {
  92       EXPECT_NE(blocked_languages.end(),
  93                 std::find(blocked_languages.begin(),
  94                           blocked_languages.end(),
  95                           *it));
  96     }
  97   }
  98
  99   // Run in a Japanese locale.
 100   // English should not be included in the result even though Accept Languages
 101   // has English because the UI is not English.
 102   {
 103     TranslateDownloadManager::GetInstance()->set_application_locale("ja");
 104     std::vector<std::string> blocked_languages;
 105     TranslatePrefs::CreateBlockedLanguages(&blocked_languages,
 106                                            blacklisted_languages,
 107                                            accept_languages);
 108     std::vector<std::string> expected;
 109     expected.push_back("fr");
 110     expected.push_back("ja");
 111     expected.push_back("zh");
 112
 113     EXPECT_EQ(expected.size(), blocked_languages.size());
 114     for (std::vector<std::string>::const_iterator it = expected.begin();
 115          it != expected.end(); ++it) {
 116       EXPECT_NE(blocked_languages.end(),
 117                 std::find(blocked_languages.begin(),
 118                           blocked_languages.end(),
 119                           *it));
 120     }
 121   }
 122 }
 123
 124 }  // namespace translate