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// 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 "chrome/browser/chrome_thread.h"
#include "chrome/browser/speech/speech_recognizer.h"
#include "chrome/common/net/test_url_fetcher_factory.h"
#include "media/audio/test_audio_input_controller_factory.h"
#include "net/url_request/url_request_status.h"
#include "testing/gtest/include/gtest/gtest.h"
using media::AudioInputController;
using media::TestAudioInputController;
using media::TestAudioInputControllerFactory;
namespace {
const int kAudioPacketLengthBytes = 1000;
}
namespace speech_input {
class SpeechRecognizerTest : public SpeechRecognizerDelegate,
public testing::Test {
public:
SpeechRecognizerTest()
: io_thread_(ChromeThread::IO, &message_loop_),
ALLOW_THIS_IN_INITIALIZER_LIST(
recognizer_(new SpeechRecognizer(this, 1))),
recording_complete_(false),
recognition_complete_(false),
result_received_(false),
error_(false) {
}
void StartTest() {
EXPECT_TRUE(recognizer_->StartRecording());
}
// SpeechRecognizer::Delegate methods.
virtual void SetRecognitionResult(int caller_id,
bool error,
const string16& result) {
result_received_ = true;
}
virtual void DidCompleteRecording(int caller_id) {
recording_complete_ = true;
}
virtual void DidCompleteRecognition(int caller_id) {
recognition_complete_ = true;
}
virtual void OnRecognizerError(int caller_id) {
error_ = true;
}
// testing::Test methods.
virtual void SetUp() {
URLFetcher::set_factory(&url_fetcher_factory_);
AudioInputController::set_factory(&audio_input_controller_factory_);
}
virtual void TearDown() {
URLFetcher::set_factory(NULL);
AudioInputController::set_factory(NULL);
}
protected:
MessageLoopForIO message_loop_;
ChromeThread io_thread_;
scoped_refptr<SpeechRecognizer> recognizer_;
bool recording_complete_;
bool recognition_complete_;
bool result_received_;
bool error_;
TestURLFetcherFactory url_fetcher_factory_;
TestAudioInputControllerFactory audio_input_controller_factory_;
};
TEST_F(SpeechRecognizerTest, StopNoData) {
// Check for callbacks when stopping record before any audio gets recorded.
EXPECT_TRUE(recognizer_->StartRecording());
recognizer_->CancelRecognition();
EXPECT_FALSE(recording_complete_);
EXPECT_FALSE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_FALSE(error_);
}
TEST_F(SpeechRecognizerTest, CancelNoData) {
// Check for callbacks when canceling recognition before any audio gets
// recorded.
EXPECT_TRUE(recognizer_->StartRecording());
recognizer_->StopRecording();
EXPECT_TRUE(recording_complete_);
EXPECT_TRUE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_FALSE(error_);
}
TEST_F(SpeechRecognizerTest, StopWithData) {
uint8 data[kAudioPacketLengthBytes] = { 0 };
// Start recording, give some data and then stop. This should wait for the
// network callback to arrive before completion.
EXPECT_TRUE(recognizer_->StartRecording());
TestAudioInputController* controller =
audio_input_controller_factory_.controller();
ASSERT_TRUE(controller);
controller = audio_input_controller_factory_.controller();
ASSERT_TRUE(controller);
controller->event_handler()->OnData(controller, data, sizeof(data));
MessageLoop::current()->RunAllPending();
recognizer_->StopRecording();
EXPECT_TRUE(recording_complete_);
EXPECT_FALSE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_FALSE(error_);
// Issue the network callback to complete the process.
TestURLFetcher* fetcher = url_fetcher_factory_.GetFetcherByID(0);
ASSERT_TRUE(fetcher);
URLRequestStatus status;
status.set_status(URLRequestStatus::SUCCESS);
fetcher->delegate()->OnURLFetchComplete(fetcher, fetcher->original_url(),
status, 200, ResponseCookies(), "");
EXPECT_TRUE(recognition_complete_);
EXPECT_TRUE(result_received_);
EXPECT_FALSE(error_);
}
TEST_F(SpeechRecognizerTest, CancelWithData) {
uint8 data[kAudioPacketLengthBytes] = { 0 };
// Start recording, give some data and then cancel. This should not create
// a network request and finish immediately.
EXPECT_TRUE(recognizer_->StartRecording());
TestAudioInputController* controller =
audio_input_controller_factory_.controller();
ASSERT_TRUE(controller);
controller->event_handler()->OnData(controller, data, sizeof(data));
MessageLoop::current()->RunAllPending();
recognizer_->CancelRecognition();
EXPECT_EQ(NULL, url_fetcher_factory_.GetFetcherByID(0));
EXPECT_FALSE(recording_complete_);
EXPECT_FALSE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_FALSE(error_);
}
TEST_F(SpeechRecognizerTest, AudioControllerErrorNoData) {
// Check if things tear down properly if AudioInputController threw an error.
EXPECT_TRUE(recognizer_->StartRecording());
TestAudioInputController* controller =
audio_input_controller_factory_.controller();
ASSERT_TRUE(controller);
controller->event_handler()->OnError(controller, 0);
MessageLoop::current()->RunAllPending();
EXPECT_TRUE(recording_complete_);
EXPECT_TRUE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_TRUE(error_);
}
TEST_F(SpeechRecognizerTest, AudioControllerErrorWithData) {
uint8 data[kAudioPacketLengthBytes] = { 0 };
// Check if things tear down properly if AudioInputController threw an error
// after giving some audio data.
EXPECT_TRUE(recognizer_->StartRecording());
TestAudioInputController* controller =
audio_input_controller_factory_.controller();
ASSERT_TRUE(controller);
controller->event_handler()->OnData(controller, data, sizeof(data));
controller->event_handler()->OnError(controller, 0);
MessageLoop::current()->RunAllPending();
EXPECT_EQ(NULL, url_fetcher_factory_.GetFetcherByID(0));
EXPECT_TRUE(recording_complete_);
EXPECT_TRUE(recognition_complete_);
EXPECT_FALSE(result_received_);
EXPECT_TRUE(error_);
}
} // namespace speech_input
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