fake_speech_recognition_manager.cc revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/public/test/fake_speech_recognition_manager.h"
6
7#include "base/bind.h"
8#include "base/message_loop/message_loop.h"
9#include "base/strings/utf_string_conversions.h"
10#include "content/public/browser/speech_recognition_event_listener.h"
11#include "content/public/common/speech_recognition_result.h"
12#include "content/public/test/test_utils.h"
13#include "testing/gtest/include/gtest/gtest.h"
14
15namespace {
16const char kTestResult[] = "Pictures of the moon";
17
18void RunCallback(const base::Closure recognition_started_closure) {
19  recognition_started_closure.Run();
20}
21}  // namespace
22
23namespace content {
24
25FakeSpeechRecognitionManager::FakeSpeechRecognitionManager()
26    : session_id_(0),
27      listener_(NULL),
28      fake_result_(kTestResult),
29      did_cancel_all_(false),
30      should_send_fake_response_(true) {
31}
32
33FakeSpeechRecognitionManager::~FakeSpeechRecognitionManager() {
34}
35
36void FakeSpeechRecognitionManager::WaitForRecognitionStarted() {
37  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
38  scoped_refptr<MessageLoopRunner> runner = new MessageLoopRunner;
39  recognition_started_closure_ = runner->QuitClosure();
40  runner->Run();
41  recognition_started_closure_.Reset();
42}
43
44void FakeSpeechRecognitionManager::SetFakeResult(const std::string& value) {
45  fake_result_ = value;
46}
47
48int FakeSpeechRecognitionManager::CreateSession(
49    const SpeechRecognitionSessionConfig& config) {
50  VLOG(1) << "FAKE CreateSession invoked.";
51  EXPECT_EQ(0, session_id_);
52  EXPECT_EQ(NULL, listener_);
53  listener_ = config.event_listener.get();
54  if (config.grammars.size() > 0)
55    grammar_ = config.grammars[0].url;
56  session_ctx_ = config.initial_context;
57  session_config_ = config;
58  session_id_ = 1;
59  return session_id_;
60}
61
62void FakeSpeechRecognitionManager::StartSession(int session_id) {
63  VLOG(1) << "FAKE StartSession invoked.";
64  EXPECT_EQ(session_id, session_id_);
65  EXPECT_TRUE(listener_ != NULL);
66
67  if (should_send_fake_response_) {
68    // Give the fake result in a short while.
69    base::MessageLoop::current()->PostTask(
70        FROM_HERE,
71        base::Bind(
72            &FakeSpeechRecognitionManager::SetFakeRecognitionResult,
73            // This class does not need to be refcounted (typically done by
74            // PostTask) since it will outlive the test and gets released only
75            // when the test shuts down. Disabling refcounting here saves a bit
76            // of unnecessary code and the factory method can return a plain
77            // pointer below as required by the real code.
78            base::Unretained(this)));
79  }
80  if (!recognition_started_closure_.is_null()) {
81    BrowserThread::PostTask(
82        BrowserThread::UI,
83        FROM_HERE,
84        base::Bind(&RunCallback, recognition_started_closure_));
85  }
86}
87
88void FakeSpeechRecognitionManager::AbortSession(int session_id) {
89  VLOG(1) << "FAKE AbortSession invoked.";
90  EXPECT_EQ(session_id_, session_id);
91  session_id_ = 0;
92  listener_ = NULL;
93}
94
95void FakeSpeechRecognitionManager::StopAudioCaptureForSession(int session_id) {
96  VLOG(1) << "StopRecording invoked.";
97  EXPECT_EQ(session_id_, session_id);
98  // Nothing to do here since we aren't really recording.
99}
100
101void FakeSpeechRecognitionManager::AbortAllSessionsForRenderProcess(
102    int render_process_id) {
103  VLOG(1) << "CancelAllRequestsWithDelegate invoked.";
104  EXPECT_TRUE(should_send_fake_response_ ||
105              session_ctx_.render_process_id == render_process_id);
106  did_cancel_all_ = true;
107}
108
109void FakeSpeechRecognitionManager::AbortAllSessionsForRenderView(
110    int render_process_id, int render_view_id) {
111  NOTREACHED();
112}
113
114bool FakeSpeechRecognitionManager::HasAudioInputDevices() { return true; }
115
116base::string16 FakeSpeechRecognitionManager::GetAudioInputDeviceModel() {
117  return base::string16();
118}
119
120int FakeSpeechRecognitionManager::GetSession(int render_process_id,
121                                             int render_view_id,
122                                             int request_id) const {
123  return session_ctx_.render_process_id == render_process_id &&
124         session_ctx_.render_view_id == render_view_id &&
125         session_ctx_.request_id == request_id;
126}
127
128const SpeechRecognitionSessionConfig&
129    FakeSpeechRecognitionManager::GetSessionConfig(int session_id) const {
130  EXPECT_EQ(session_id, session_id_);
131  return session_config_;
132}
133
134SpeechRecognitionSessionContext FakeSpeechRecognitionManager::GetSessionContext(
135    int session_id) const {
136  EXPECT_EQ(session_id, session_id_);
137  return session_ctx_;
138}
139
140void FakeSpeechRecognitionManager::SetFakeRecognitionResult() {
141  if (!session_id_)  // Do a check in case we were cancelled..
142    return;
143
144  VLOG(1) << "Setting fake recognition result.";
145  listener_->OnAudioEnd(session_id_);
146  SpeechRecognitionResult result;
147  result.hypotheses.push_back(SpeechRecognitionHypothesis(
148      base::ASCIIToUTF16(kTestResult), 1.0));
149  SpeechRecognitionResults results;
150  results.push_back(result);
151  listener_->OnRecognitionResults(session_id_, results);
152  listener_->OnRecognitionEnd(session_id_);
153  session_id_ = 0;
154  listener_ = NULL;
155  VLOG(1) << "Finished setting fake recognition result.";
156}
157
158}  // namespace content
159