Refactoring of chrome speech recognition architecture (CL1.3)

content/browser/speech/speech_recognition_request_unittest.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 "base/message_loop.h"
-#include "base/utf_string_conversions.h"
-#include "content/browser/speech/audio_buffer.h"
-#include "content/browser/speech/speech_recognition_request.h"
-#include "content/public/common/speech_recognition_result.h"
-#include "content/test/test_url_fetcher_factory.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "net/url_request/url_request_status.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace speech {
-
-class SpeechRecognitionRequestTest : public SpeechRecognitionRequestDelegate,
-                                     public testing::Test {
- public:
-  SpeechRecognitionRequestTest() { }
-
-  // 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(
-      const content::SpeechRecognitionResult& result) OVERRIDE {
-    result_ = result;
-  }
-
- protected:
-  MessageLoop message_loop_;
-  TestURLFetcherFactory url_fetcher_factory_;
-  content::SpeechRecognitionResult result_;
-};
-
-void SpeechRecognitionRequestTest::CreateAndTestRequest(
-    bool success, const std::string& http_response) {
-  SpeechRecognitionRequest request(NULL, this);
-  request.Start(std::string(), std::string(), false, std::string(),
-                std::string(), std::string());
-  unsigned char dummy_audio_buffer_data[2] = {'\0', '\0'};
-  AudioChunk dummy_audio_chunk(&dummy_audio_buffer_data[0],
-                               sizeof(dummy_audio_buffer_data),
-                               2 /* bytes per sample */);
-  request.UploadAudioChunk(dummy_audio_chunk, true);
-  TestURLFetcher* fetcher = url_fetcher_factory_.GetFetcherByID(0);
-  ASSERT_TRUE(fetcher);
-
-  fetcher->set_url(fetcher->GetOriginalURL());
-  net::URLRequestStatus status;
-  status.set_status(success ? net::URLRequestStatus::SUCCESS :
-                              net::URLRequestStatus::FAILED);
-  fetcher->set_status(status);
-  fetcher->set_response_code(success ? 200 : 500);
-  fetcher->SetResponseString(http_response);
-
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  // Parsed response will be available in result_.
-}
-
-TEST_F(SpeechRecognitionRequestTest, BasicTest) {
-  // Normal success case with one result.
-  CreateAndTestRequest(true,
-      "{\"status\":0,\"hypotheses\":"
-      "[{\"utterance\":\"123456\",\"confidence\":0.9}]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(1U, result_.hypotheses.size());
-  EXPECT_EQ(ASCIIToUTF16("123456"), result_.hypotheses[0].utterance);
-  EXPECT_EQ(0.9, result_.hypotheses[0].confidence);
-
-  // Normal success case with multiple results.
-  CreateAndTestRequest(true,
-      "{\"status\":0,\"hypotheses\":["
-      "{\"utterance\":\"hello\",\"confidence\":0.9},"
-      "{\"utterance\":\"123456\",\"confidence\":0.5}]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(2u, result_.hypotheses.size());
-  EXPECT_EQ(ASCIIToUTF16("hello"), result_.hypotheses[0].utterance);
-  EXPECT_EQ(0.9, result_.hypotheses[0].confidence);
-  EXPECT_EQ(ASCIIToUTF16("123456"), result_.hypotheses[1].utterance);
-  EXPECT_EQ(0.5, result_.hypotheses[1].confidence);
-
-  // Zero results.
-  CreateAndTestRequest(true, "{\"status\":0,\"hypotheses\":[]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(0U, result_.hypotheses.size());
-
-  // Http failure case.
-  CreateAndTestRequest(false, "");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result_.hypotheses.size());
-
-  // Invalid status case.
-  CreateAndTestRequest(true, "{\"status\":\"invalid\",\"hypotheses\":[]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result_.hypotheses.size());
-
-  // Server-side error case.
-  CreateAndTestRequest(true, "{\"status\":1,\"hypotheses\":[]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result_.hypotheses.size());
-
-  // Malformed JSON case.
-  CreateAndTestRequest(true, "{\"status\":0,\"hypotheses\":"
-      "[{\"unknownkey\":\"hello\"}]}");
-  EXPECT_EQ(result_.error, content::SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result_.hypotheses.size());
-}
-
-}  // namespace speech