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// Copyright 2013 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.
#ifndef CONTENT_TEST_MOCK_GOOGLE_STREAMING_SERVER_H_
#define CONTENT_TEST_MOCK_GOOGLE_STREAMING_SERVER_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "content/public/common/speech_recognition_result.h"
#include "net/url_request/test_url_fetcher_factory.h"
namespace content {
struct SpeechRecognitionResult;
// Provides a mock implementation of the Google remote streaming speech
// recognition webservice, exploiting the TestURLFetcher to extract request
// parameters and provide forged JSON responses back to the client.
// It is intended for closing the server-side loop in speech tests that involve
// the GoogleStreamingRemoteEngine client.
class MockGoogleStreamingServer : public net::TestURLFetcherDelegateForTests {
public:
class Delegate {
public:
virtual void OnClientConnected() = 0;
virtual void OnClientAudioUpload() = 0;
virtual void OnClientAudioUploadComplete() = 0;
virtual void OnClientDisconnected() = 0;
};
explicit MockGoogleStreamingServer(Delegate* delegate);
virtual ~MockGoogleStreamingServer();
// net::TestURLFetcherDelegateForTests implementation.
void OnRequestStart(int fetcher_id) override;
void OnChunkUpload(int fetcher_id) override;
void OnRequestEnd(int fetcher_id) override;
void SimulateResult(const content::SpeechRecognitionResult& result);
void SimulateServerFailure();
void SimulateMalformedResponse();
// Retrieves the language parmeter for the request (e.g., lang=en-US).
const std::string& GetRequestLanguage() const;
// Retrieves the grammar parmeter for the request (e.g., lm=http://url/g.xml).
const std::string& GetRequestGrammar() const;
private:
void SimulateServerResponse(bool success, const std::string& http_response);
net::TestURLFetcher* GetURLFetcher(bool downstream) const;
Delegate* delegate_;
int kDownstreamUrlFetcherId;
int kUpstreamUrlFetcherId;
net::TestURLFetcherFactory url_fetcher_factory_;
// Request arguments extracted by the HTTP query string.
std::string request_language;
std::string request_grammar;
DISALLOW_COPY_AND_ASSIGN(MockGoogleStreamingServer);
};
} // namespace content
#endif // CONTENT_TEST_MOCK_GOOGLE_STREAMING_SERVER_H_