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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
// Copyright (c) 2011 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 <string>
#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/policy/configuration_policy_pref_store.h"
#include "chrome/browser/policy/mock_configuration_policy_provider.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/browser/prefs/command_line_pref_store.h"
#include "chrome/browser/prefs/pref_change_registrar.h"
#include "chrome/browser/prefs/pref_observer_mock.h"
#include "chrome/browser/prefs/pref_service_mock_builder.h"
#include "chrome/browser/prefs/pref_value_store.h"
#include "chrome/browser/prefs/testing_pref_store.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_pref_service.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/test/data/resource.h"
using testing::_;
using testing::Mock;
TEST(PrefServiceTest, NoObserverFire) {
TestingPrefService prefs;
const char pref_name[] = "homepage";
prefs.RegisterStringPref(pref_name, std::string());
const char new_pref_value[] = "http://www.google.com/";
PrefObserverMock obs;
PrefChangeRegistrar registrar;
registrar.Init(&prefs);
registrar.Add(pref_name, &obs);
// This should fire the checks in PrefObserverMock::Observe.
const StringValue expected_value(new_pref_value);
obs.Expect(&prefs, pref_name, &expected_value);
prefs.SetString(pref_name, new_pref_value);
Mock::VerifyAndClearExpectations(&obs);
// Setting the pref to the same value should not set the pref value a second
// time.
EXPECT_CALL(obs, Observe(_, _, _)).Times(0);
prefs.SetString(pref_name, new_pref_value);
Mock::VerifyAndClearExpectations(&obs);
// Clearing the pref should cause the pref to fire.
const StringValue expected_default_value("");
obs.Expect(&prefs, pref_name, &expected_default_value);
prefs.ClearPref(pref_name);
Mock::VerifyAndClearExpectations(&obs);
// Clearing the pref again should not cause the pref to fire.
EXPECT_CALL(obs, Observe(_, _, _)).Times(0);
prefs.ClearPref(pref_name);
Mock::VerifyAndClearExpectations(&obs);
}
TEST(PrefServiceTest, HasPrefPath) {
TestingPrefService prefs;
const char path[] = "fake.path";
// Shouldn't initially have a path.
EXPECT_FALSE(prefs.HasPrefPath(path));
// Register the path. This doesn't set a value, so the path still shouldn't
// exist.
prefs.RegisterStringPref(path, std::string());
EXPECT_FALSE(prefs.HasPrefPath(path));
// Set a value and make sure we have a path.
prefs.SetString(path, "blah");
EXPECT_TRUE(prefs.HasPrefPath(path));
}
TEST(PrefServiceTest, Observers) {
const char pref_name[] = "homepage";
TestingPrefService prefs;
prefs.SetUserPref(pref_name, Value::CreateStringValue("http://www.cnn.com"));
prefs.RegisterStringPref(pref_name, std::string());
const char new_pref_value[] = "http://www.google.com/";
const StringValue expected_new_pref_value(new_pref_value);
PrefObserverMock obs;
PrefChangeRegistrar registrar;
registrar.Init(&prefs);
registrar.Add(pref_name, &obs);
// This should fire the checks in PrefObserverMock::Observe.
obs.Expect(&prefs, pref_name, &expected_new_pref_value);
prefs.SetString(pref_name, new_pref_value);
Mock::VerifyAndClearExpectations(&obs);
// Now try adding a second pref observer.
const char new_pref_value2[] = "http://www.youtube.com/";
const StringValue expected_new_pref_value2(new_pref_value2);
PrefObserverMock obs2;
obs.Expect(&prefs, pref_name, &expected_new_pref_value2);
obs2.Expect(&prefs, pref_name, &expected_new_pref_value2);
registrar.Add(pref_name, &obs2);
// This should fire the checks in obs and obs2.
prefs.SetString(pref_name, new_pref_value2);
Mock::VerifyAndClearExpectations(&obs);
Mock::VerifyAndClearExpectations(&obs2);
// Make sure obs2 still works after removing obs.
registrar.Remove(pref_name, &obs);
EXPECT_CALL(obs, Observe(_, _, _)).Times(0);
obs2.Expect(&prefs, pref_name, &expected_new_pref_value);
// This should only fire the observer in obs2.
prefs.SetString(pref_name, new_pref_value);
Mock::VerifyAndClearExpectations(&obs);
Mock::VerifyAndClearExpectations(&obs2);
}
// Make sure that if a preference changes type, so the wrong type is stored in
// the user pref file, it uses the correct fallback value instead.
TEST(PrefServiceTest, GetValueChangedType) {
const int kTestValue = 10;
TestingPrefService prefs;
prefs.RegisterIntegerPref(prefs::kStabilityLaunchCount, kTestValue);
// Check falling back to a recommended value.
prefs.SetUserPref(prefs::kStabilityLaunchCount,
Value::CreateStringValue("not an integer"));
const PrefService::Preference* pref =
prefs.FindPreference(prefs::kStabilityLaunchCount);
ASSERT_TRUE(pref);
const Value* value = pref->GetValue();
ASSERT_TRUE(value);
EXPECT_EQ(Value::TYPE_INTEGER, value->GetType());
int actual_int_value = -1;
EXPECT_TRUE(value->GetAsInteger(&actual_int_value));
EXPECT_EQ(kTestValue, actual_int_value);
}
class PrefServiceSetValueTest : public testing::Test {
protected:
static const char kName[];
static const char kValue[];
TestingPrefService prefs_;
PrefObserverMock observer_;
};
const char PrefServiceSetValueTest::kName[] = "name";
const char PrefServiceSetValueTest::kValue[] = "value";
TEST_F(PrefServiceSetValueTest, SetStringValue) {
const char default_string[] = "default";
const StringValue default_value(default_string);
prefs_.RegisterStringPref(kName, default_string);
PrefChangeRegistrar registrar;
registrar.Init(&prefs_);
registrar.Add(kName, &observer_);
// Changing the controlling store from default to user triggers notification.
observer_.Expect(&prefs_, kName, &default_value);
prefs_.Set(kName, default_value);
Mock::VerifyAndClearExpectations(&observer_);
EXPECT_CALL(observer_, Observe(_, _, _)).Times(0);
prefs_.Set(kName, default_value);
Mock::VerifyAndClearExpectations(&observer_);
StringValue new_value(kValue);
observer_.Expect(&prefs_, kName, &new_value);
prefs_.Set(kName, new_value);
Mock::VerifyAndClearExpectations(&observer_);
}
TEST_F(PrefServiceSetValueTest, SetDictionaryValue) {
prefs_.RegisterDictionaryPref(kName);
PrefChangeRegistrar registrar;
registrar.Init(&prefs_);
registrar.Add(kName, &observer_);
EXPECT_CALL(observer_, Observe(_, _, _)).Times(0);
prefs_.RemoveUserPref(kName);
Mock::VerifyAndClearExpectations(&observer_);
DictionaryValue new_value;
new_value.SetString(kName, kValue);
observer_.Expect(&prefs_, kName, &new_value);
prefs_.Set(kName, new_value);
Mock::VerifyAndClearExpectations(&observer_);
EXPECT_CALL(observer_, Observe(_, _, _)).Times(0);
prefs_.Set(kName, new_value);
Mock::VerifyAndClearExpectations(&observer_);
DictionaryValue empty;
observer_.Expect(&prefs_, kName, &empty);
prefs_.Set(kName, empty);
Mock::VerifyAndClearExpectations(&observer_);
}
TEST_F(PrefServiceSetValueTest, SetListValue) {
prefs_.RegisterListPref(kName);
PrefChangeRegistrar registrar;
registrar.Init(&prefs_);
registrar.Add(kName, &observer_);
EXPECT_CALL(observer_, Observe(_, _, _)).Times(0);
prefs_.RemoveUserPref(kName);
Mock::VerifyAndClearExpectations(&observer_);
ListValue new_value;
new_value.Append(Value::CreateStringValue(kValue));
observer_.Expect(&prefs_, kName, &new_value);
prefs_.Set(kName, new_value);
Mock::VerifyAndClearExpectations(&observer_);
EXPECT_CALL(observer_, Observe(_, _, _)).Times(0);
prefs_.Set(kName, new_value);
Mock::VerifyAndClearExpectations(&observer_);
ListValue empty;
observer_.Expect(&prefs_, kName, &empty);
prefs_.Set(kName, empty);
Mock::VerifyAndClearExpectations(&observer_);
}
|
