Add ability to parse multiple recognition results and send them to WebKit.

chrome/browser/speech/speech_recognition_request_unittest.cc

 // Copyright (c) 2010 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 "base/utf_string_conversions.h"
 #include "chrome/browser/speech/speech_recognition_request.h"
 #include "chrome/common/net/url_request_context_getter.h"
 #include "chrome/common/net/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace speech_input {
 
 class SpeechRecognitionRequestTest : public SpeechRecognitionRequestDelegate,
                                      public testing::Test {
  public:
   SpeechRecognitionRequestTest() : error_(false) { }
 
   // Creates a speech recognition request and invokes it's URL fetcher delegate
   // with the given test data.
   void CreateAndTestRequest(bool success, const std::string& http_response);
 
   // SpeechRecognitionRequestDelegate methods.
-  virtual void SetRecognitionResult(bool error, const string16& result) {
+  virtual void SetRecognitionResult(bool error,
+                                    const SpeechInputResultArray& result) {
     error_ = error;
     result_ = result;
   }
 
   // testing::Test methods.
   virtual void SetUp() {
     URLFetcher::set_factory(&url_fetcher_factory_);
   }
 
   virtual void TearDown() {
     URLFetcher::set_factory(NULL);
   }
 
  protected:
   TestURLFetcherFactory url_fetcher_factory_;
   bool error_;
-  string16 result_;
+  SpeechInputResultArray result_;
 };
 
 void SpeechRecognitionRequestTest::CreateAndTestRequest(
     bool success, const std::string& http_response) {
   SpeechRecognitionRequest request(NULL, GURL(""), this);
   request.Send(std::string(), std::string());
   TestURLFetcher* fetcher = url_fetcher_factory_.GetFetcherByID(0);
   ASSERT_TRUE(fetcher);
   URLRequestStatus status;
   status.set_status(success ? URLRequestStatus::SUCCESS :
                               URLRequestStatus::FAILED);
   fetcher->delegate()->OnURLFetchComplete(fetcher, fetcher->original_url(),
                                           status, success ? 200 : 500,
                                           ResponseCookies(),
                                           http_response);
   // Parsed response will be available in result_.
 }
 
 TEST_F(SpeechRecognitionRequestTest, BasicTest) {
   // Normal success case with one result.
   CreateAndTestRequest(true,
       "{\"hypotheses\":[{\"utterance\":\"123456\",\"confidence\":0.9}]}");
   EXPECT_FALSE(error_);
-  EXPECT_EQ(ASCIIToUTF16("123456"), result_);
+  EXPECT_EQ(1U, result_.size());
+  EXPECT_EQ(ASCIIToUTF16("123456"), result_[0].utterance);
+  EXPECT_EQ(0.9, result_[0].confidence);
 
   // Normal success case with multiple results.
   CreateAndTestRequest(true,
       "{\"hypotheses\":[{\"utterance\":\"hello\",\"confidence\":0.9},"
       "{\"utterance\":\"123456\",\"confidence\":0.5}]}");
   EXPECT_FALSE(error_);
-  EXPECT_EQ(ASCIIToUTF16("hello"), result_);
+  EXPECT_EQ(2u, result_.size());
+  EXPECT_EQ(ASCIIToUTF16("hello"), result_[0].utterance);
+  EXPECT_EQ(0.9, result_[0].confidence);
+  EXPECT_EQ(ASCIIToUTF16("123456"), result_[1].utterance);
+  EXPECT_EQ(0.5, result_[1].confidence);
 
   // Http failure case.
   CreateAndTestRequest(false, "");
   EXPECT_TRUE(error_);
-  EXPECT_EQ(ASCIIToUTF16(""), result_);
+  EXPECT_EQ(0U, result_.size());
 
   // Malformed JSON case.
   CreateAndTestRequest(true, "{\"hypotheses\":[{\"unknownkey\":\"hello\"}]}");
   EXPECT_TRUE(error_);
-  EXPECT_EQ(ASCIIToUTF16(""), result_);
+  EXPECT_EQ(0U, result_.size());
 }
 
 }  // namespace speech_input