File: tts_controller_delegate_impl_unittest.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (154 lines) | stat: -rw-r--r-- 6,422 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Unit tests for the TTS Controller.

#include "chrome/browser/speech/tts_controller_delegate_impl.h"

#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/testing_pref_service.h"
#include "content/public/browser/tts_controller.h"
#include "content/public/browser/tts_platform.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/speech/speech_synthesis.mojom.h"

// Subclass of TtsController with a public ctor and dtor.
class MockTtsControllerDelegate : public TtsControllerDelegateImpl {
 public:
  MockTtsControllerDelegate() = default;
  ~MockTtsControllerDelegate() override = default;

  raw_ptr<PrefService> pref_service_ = nullptr;

 private:
  const PrefService* GetPrefService(content::TtsUtterance* utterance) override {
    return pref_service_;
  }
};

TEST(TtsControllerDelegateImplTest, TestTtsControllerUtteranceDefaults) {
  std::unique_ptr<MockTtsControllerDelegate> tts_controller_delegate =
      std::make_unique<MockTtsControllerDelegate>();

  double rate = blink::mojom::kSpeechSynthesisDoublePrefNotSet;
  double pitch = blink::mojom::kSpeechSynthesisDoublePrefNotSet;
  double volume = blink::mojom::kSpeechSynthesisDoublePrefNotSet;

  std::unique_ptr<content::TtsUtterance> utterance1 =
      content::TtsUtterance::Create();
  tts_controller_delegate->UpdateUtteranceDefaultsFromPrefs(
      utterance1.get(), &rate, &pitch, &volume);
  // Updated to global defaults.
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultRate, rate);
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultPitch, pitch);
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultVolume, volume);

  // Now we will set prefs and expect those to be used as defaults.
  rate = blink::mojom::kSpeechSynthesisDoublePrefNotSet;
  pitch = blink::mojom::kSpeechSynthesisDoublePrefNotSet;
  volume = blink::mojom::kSpeechSynthesisDoublePrefNotSet;
  TestingPrefServiceSimple pref_service_;
  pref_service_.registry()->RegisterDoublePref(prefs::kTextToSpeechRate, 1.5);
  pref_service_.registry()->RegisterDoublePref(prefs::kTextToSpeechPitch, 2.0);
  pref_service_.registry()->RegisterDoublePref(prefs::kTextToSpeechVolume, 0.5);
  tts_controller_delegate->pref_service_ = &pref_service_;

  std::unique_ptr<content::TtsUtterance> utterance2 =
      content::TtsUtterance::Create();
  tts_controller_delegate->UpdateUtteranceDefaultsFromPrefs(
      utterance2.get(), &rate, &pitch, &volume);
  // Updated to pref values.
  EXPECT_EQ(1.5f, rate);
  EXPECT_EQ(2.0f, pitch);
  EXPECT_EQ(0.5f, volume);

  // If we explicitly set rate, pitch and volume, they should not be changed.
  rate = 1.1f;
  pitch = 1.2f;
  volume = 1.3f;

  std::unique_ptr<content::TtsUtterance> utterance3 =
      content::TtsUtterance::Create();
  tts_controller_delegate->UpdateUtteranceDefaultsFromPrefs(
      utterance3.get(), &rate, &pitch, &volume);
  // Values should not change.
  EXPECT_EQ(1.1f, rate);
  EXPECT_EQ(1.2f, pitch);
  EXPECT_EQ(1.3f, volume);

  // If we explicitly set rate, pitch and volume to the default values, they
  // should not be changed.
  rate = blink::mojom::kSpeechSynthesisDefaultRate;
  pitch = blink::mojom::kSpeechSynthesisDefaultPitch;
  volume = blink::mojom::kSpeechSynthesisDefaultVolume;

  std::unique_ptr<content::TtsUtterance> utterance4 =
      content::TtsUtterance::Create();
  tts_controller_delegate->UpdateUtteranceDefaultsFromPrefs(
      utterance4.get(), &rate, &pitch, &volume);
  // Values should not change.
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultRate, rate);
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultPitch, pitch);
  EXPECT_EQ(blink::mojom::kSpeechSynthesisDefaultVolume, volume);
}

TEST(TtsControllerDelegateImplTest, GetPreferredVoiceIdsForUtterance) {
  MockTtsControllerDelegate delegate;
  std::unique_ptr<content::TtsUtterance> utterance =
      content::TtsUtterance::Create();
  auto ids = delegate.GetPreferredVoiceIdsForUtterance(utterance.get());
  EXPECT_EQ(nullptr, ids.get());

  TestingPrefServiceSimple pref_service;
  // Uses default pref voices.
  auto lang_to_voices =
      base::Value::Dict()
          .Set("es", "{\"name\":\"Voice7\",\"extension\":\"id7\"}")
          .Set("he", "{\"name\":\"Voice8\",\"extension\":\"id8\"}")
          .Set("noLanguageCode", "{\"name\":\"Android\",\"extension\":\"x\"}");
  pref_service.registry()->RegisterDictionaryPref(
      prefs::kTextToSpeechLangToVoiceName, std::move(lang_to_voices));
  delegate.pref_service_ = &pref_service;

  ids = delegate.GetPreferredVoiceIdsForUtterance(utterance.get());
  ASSERT_TRUE(ids.get());
  EXPECT_FALSE(ids->lang_voice_id.has_value());
  EXPECT_FALSE(ids->locale_voice_id.has_value());
  ASSERT_TRUE(ids->any_locale_voice_id.has_value());
  EXPECT_EQ("Android", ids->any_locale_voice_id->name);
  EXPECT_EQ("x", ids->any_locale_voice_id->id);

  // Change the language of the Utterance to 'es' which should match one of the
  // registered keys.
  utterance->SetLang("es");
  ids = delegate.GetPreferredVoiceIdsForUtterance(utterance.get());
  ASSERT_TRUE(ids.get());
  ASSERT_TRUE(ids->lang_voice_id.has_value());
  EXPECT_EQ("Voice7", ids->lang_voice_id->name);
  EXPECT_EQ("id7", ids->lang_voice_id->id);
  EXPECT_FALSE(ids->locale_voice_id.has_value());
  ASSERT_TRUE(ids->any_locale_voice_id.has_value());
  EXPECT_EQ("Android", ids->any_locale_voice_id->name);
  EXPECT_EQ("x", ids->any_locale_voice_id->id);

  // Change the application locale to 'he' which should match one of the
  // registered keys.
  g_browser_process->SetApplicationLocale("he");
  ids = delegate.GetPreferredVoiceIdsForUtterance(utterance.get());
  ASSERT_TRUE(ids.get());
  ASSERT_TRUE(ids->lang_voice_id.has_value());
  EXPECT_EQ("Voice7", ids->lang_voice_id->name);
  EXPECT_EQ("id7", ids->lang_voice_id->id);
  EXPECT_TRUE(ids->locale_voice_id.has_value());
  EXPECT_EQ("Voice8", ids->locale_voice_id->name);
  EXPECT_EQ("id8", ids->locale_voice_id->id);
  ASSERT_TRUE(ids->any_locale_voice_id.has_value());
  EXPECT_EQ("Android", ids->any_locale_voice_id->name);
  EXPECT_EQ("x", ids->any_locale_voice_id->id);
}