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