Translate: introduce unittest for TranslateHelper

chrome/renderer/translate_helper.cc

 // Copyright (c) 2012 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/bind.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 124 matching lines @@
 }
 
 void TranslateHelper::CancelPendingTranslation() {
   weak_method_factory_.InvalidateWeakPtrs();
   translation_pending_ = false;
   page_id_ = -1;
   source_lang_.clear();
   target_lang_.clear();
 }
 
-// static
-bool TranslateHelper::IsPageTranslatable(WebDocument* document) {
-  std::vector<WebElement> meta_elements;
-  webkit_glue::GetMetaElementsWithAttribute(document,
-                                            ASCIIToUTF16("name"),
-                                            ASCIIToUTF16("google"),
-                                            &meta_elements);
-  std::vector<WebElement>::const_iterator iter;
-  for (iter = meta_elements.begin(); iter != meta_elements.end(); ++iter) {
-    WebString attribute = iter->getAttribute("value");
-    if (attribute.isNull())  // We support both 'value' and 'content'.
-      attribute = iter->getAttribute("content");
-    if (attribute.isNull())
-      continue;
-    if (LowerCaseEqualsASCII(attribute, "notranslate"))
-      return false;
-  }
-  return true;
-}
-
 #if defined(ENABLE_LANGUAGE_DETECTION)
 // static
 std::string TranslateHelper::DetermineTextLanguage(const string16& text) {
   std::string language = chrome::kUnknownLanguageCode;
   int num_languages = 0;
   int text_bytes = 0;
   bool is_reliable = false;
   Language cld_language =
       DetectLanguageOfUnicodeText(NULL, text.c_str(), true, &is_reliable,
                                   &num_languages, NULL, &text_bytes);
@@ skipping 12 matching lines @@
   }
   VLOG(9) << "Detected lang_id: " << language << ", from Text:\n" << text
           << "\n*************************************\n";
   return language;
 }
 #endif  // defined(ENABLE_LANGUAGE_DETECTION)
 
 ////////////////////////////////////////////////////////////////////////////////
 // TranslateHelper, protected:
 //
-// static
-void TranslateHelper::ConvertLanguageCodeSynonym(std::string* code) {
-  // Apply liner search here because number of items in the list is just four.
-  for (size_t i = 0; i < arraysize(kLanguageCodeSynonyms); ++i) {
-    if (code->compare(kLanguageCodeSynonyms[i].from) == 0) {
-      *code = std::string(kLanguageCodeSynonyms[i].to);
-      break;
-    }
-  }
-}
-
 bool TranslateHelper::IsTranslateLibAvailable() {
   bool lib_available = false;
   if (!ExecuteScriptAndGetBoolResult(
       "typeof cr != 'undefined' && typeof cr.googleTranslate != 'undefined' && "
       "typeof cr.googleTranslate.translate == 'function'", &lib_available)) {
     NOTREACHED();
     return false;
   }
   return lib_available;
 }
@@ skipping 47 matching lines @@
   return lang;
 }
 
 bool TranslateHelper::DontDelayTasks() {
   return false;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TranslateHelper, private:
 //
+// static
+void TranslateHelper::ConvertLanguageCodeSynonym(std::string* code) {
+  // Apply liner search here because number of items in the list is just four.
+  for (size_t i = 0; i < arraysize(kLanguageCodeSynonyms); ++i) {
+    if (code->compare(kLanguageCodeSynonyms[i].from) == 0) {
+      *code = std::string(kLanguageCodeSynonyms[i].to);
+      break;
+    }
+  }
+}
+
+// static
+bool TranslateHelper::IsPageTranslatable(WebDocument* document) {
+  std::vector<WebElement> meta_elements;
+  webkit_glue::GetMetaElementsWithAttribute(document,
+                                            ASCIIToUTF16("name"),
+                                            ASCIIToUTF16("google"),
+                                            &meta_elements);
+  std::vector<WebElement>::const_iterator iter;
+  for (iter = meta_elements.begin(); iter != meta_elements.end(); ++iter) {
+    WebString attribute = iter->getAttribute("value");
+    if (attribute.isNull())  // We support both 'value' and 'content'.
+      attribute = iter->getAttribute("content");
+    if (attribute.isNull())
+      continue;
+    if (LowerCaseEqualsASCII(attribute, "notranslate"))
+      return false;
+  }
+  return true;
+}
+
 bool TranslateHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TranslateHelper, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_TranslatePage, OnTranslatePage)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_RevertTranslation, OnRevertTranslation)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
@@ skipping 194 matching lines @@
   WebView* web_view = render_view()->GetWebView();
   if (!web_view) {
     // When the WebView is going away, the render view should have called
     // CancelPendingTranslation() which should have stopped any pending work, so
     // that case should not happen.
     NOTREACHED();
     return NULL;
   }
   return web_view->mainFrame();
 }