Speech: remove GoogleOneShotRemoteEngine

content/browser/speech/google_one_shot_remote_engine_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/message_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "content/browser/speech/audio_buffer.h"
-#include "content/browser/speech/google_one_shot_remote_engine.h"
-#include "content/public/common/speech_recognition_error.h"
-#include "content/public/common/speech_recognition_result.h"
-#include "net/base/net_errors.h"
-#include "net/url_request/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 content {
-
-class GoogleOneShotRemoteEngineTest : public SpeechRecognitionEngineDelegate,
-                                      public testing::Test {
- public:
-  GoogleOneShotRemoteEngineTest()
-      : error_(SPEECH_RECOGNITION_ERROR_NONE) {}
-
-  // Creates a speech recognition request and invokes its URL fetcher delegate
-  // with the given test data.
-  void CreateAndTestRequest(bool success, const std::string& http_response);
-
-  // SpeechRecognitionRequestDelegate methods.
-  void OnSpeechRecognitionEngineResults(
-      const SpeechRecognitionResults& results) override {
-    results_ = results;
-  }
-
-  void OnSpeechRecognitionEngineEndOfUtterance() override {
-  }
-
-  void OnSpeechRecognitionEngineError(
-      const SpeechRecognitionError& error) override {
-    error_ = error.code;
-  }
-
-  // Accessor for the only result item.
-  const SpeechRecognitionResult& result() const {
-    DCHECK_EQ(results_.size(), 1U);
-    return results_[0];
-  }
-
- protected:
-  base::MessageLoop message_loop_;
-  net::TestURLFetcherFactory url_fetcher_factory_;
-  SpeechRecognitionErrorCode error_;
-  SpeechRecognitionResults results_;
-};
-
-void GoogleOneShotRemoteEngineTest::CreateAndTestRequest(
-    bool success, const std::string& http_response) {
-  GoogleOneShotRemoteEngine client(NULL);
-  unsigned char dummy_audio_buffer_data[2] = {'\0', '\0'};
-  scoped_refptr<AudioChunk> dummy_audio_chunk(
-      new AudioChunk(&dummy_audio_buffer_data[0],
-                     sizeof(dummy_audio_buffer_data),
-                     2 /* bytes per sample */));
-  client.set_delegate(this);
-  client.StartRecognition();
-  client.TakeAudioChunk(*dummy_audio_chunk.get());
-  client.AudioChunksEnded();
-  net::TestURLFetcher* fetcher = url_fetcher_factory_.GetFetcherByID(0);
-  ASSERT_TRUE(fetcher);
-
-  fetcher->set_url(fetcher->GetOriginalURL());
-  fetcher->set_status(
-      net::URLRequestStatus::FromError(success ? net::OK : net::ERR_FAILED));
-  fetcher->set_response_code(success ? 200 : 500);
-  fetcher->SetResponseString(http_response);
-
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  // Parsed response will be available in result().
-}
-
-TEST_F(GoogleOneShotRemoteEngineTest, BasicTest) {
-  // Normal success case with one result.
-  CreateAndTestRequest(true,
-      "{\"status\":0,\"hypotheses\":"
-      "[{\"utterance\":\"123456\",\"confidence\":0.9}]}");
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(1U, result().hypotheses.size());
-  EXPECT_EQ(base::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(error_, SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(2u, result().hypotheses.size());
-  EXPECT_EQ(base::ASCIIToUTF16("hello"), result().hypotheses[0].utterance);
-  EXPECT_EQ(0.9, result().hypotheses[0].confidence);
-  EXPECT_EQ(base::ASCIIToUTF16("123456"), result().hypotheses[1].utterance);
-  EXPECT_EQ(0.5, result().hypotheses[1].confidence);
-
-  // Zero results.
-  CreateAndTestRequest(true, "{\"status\":0,\"hypotheses\":[]}");
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NONE);
-  EXPECT_EQ(0U, result().hypotheses.size());
-
-  // Http failure case.
-  CreateAndTestRequest(false, std::string());
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result().hypotheses.size());
-
-  // Invalid status case.
-  CreateAndTestRequest(true, "{\"status\":\"invalid\",\"hypotheses\":[]}");
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result().hypotheses.size());
-
-  // Server-side error case.
-  CreateAndTestRequest(true, "{\"status\":1,\"hypotheses\":[]}");
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result().hypotheses.size());
-
-  // Malformed JSON case.
-  CreateAndTestRequest(true, "{\"status\":0,\"hypotheses\":"
-      "[{\"unknownkey\":\"hello\"}]}");
-  EXPECT_EQ(error_, SPEECH_RECOGNITION_ERROR_NETWORK);
-  EXPECT_EQ(0U, result().hypotheses.size());
-}
-
-}  // namespace content