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| 1 // Copyright (c) 2012 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 "base/prefs/overlay_user_pref_store.h" | |
| 6 | |
| 7 #include "base/prefs/pref_store_observer_mock.h" | |
| 8 #include "base/prefs/testing_pref_store.h" | |
| 9 #include "base/values.h" | |
| 10 #include "testing/gmock/include/gmock/gmock.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 | |
| 13 using ::testing::Mock; | |
| 14 using ::testing::StrEq; | |
| 15 | |
| 16 namespace base { | |
| 17 namespace { | |
| 18 | |
| 19 const char kBrowserWindowPlacement[] = "browser.window_placement"; | |
| 20 const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs"; | |
| 21 | |
| 22 const char* const overlay_key = kBrowserWindowPlacement; | |
| 23 const char* const regular_key = kShowBookmarkBar; | |
| 24 // With the removal of the kWebKitGlobalXXX prefs, we'll no longer have real | |
| 25 // prefs using the overlay pref store, so make up keys here. | |
| 26 const char mapped_overlay_key[] = "test.per_tab.javascript_enabled"; | |
| 27 const char mapped_underlay_key[] = "test.per_profile.javascript_enabled"; | |
| 28 | |
| 29 } // namespace | |
| 30 | |
| 31 class OverlayUserPrefStoreTest : public testing::Test { | |
| 32 protected: | |
| 33 OverlayUserPrefStoreTest() | |
| 34 : underlay_(new TestingPrefStore()), | |
| 35 overlay_(new OverlayUserPrefStore(underlay_.get())) { | |
| 36 overlay_->RegisterOverlayPref(overlay_key); | |
| 37 overlay_->RegisterOverlayPref(mapped_overlay_key, mapped_underlay_key); | |
| 38 } | |
| 39 | |
| 40 ~OverlayUserPrefStoreTest() override {} | |
| 41 | |
| 42 scoped_refptr<TestingPrefStore> underlay_; | |
| 43 scoped_refptr<OverlayUserPrefStore> overlay_; | |
| 44 }; | |
| 45 | |
| 46 TEST_F(OverlayUserPrefStoreTest, Observer) { | |
| 47 PrefStoreObserverMock obs; | |
| 48 overlay_->AddObserver(&obs); | |
| 49 | |
| 50 // Check that underlay first value is reported. | |
| 51 underlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(42)), | |
| 52 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 53 obs.VerifyAndResetChangedKey(overlay_key); | |
| 54 | |
| 55 // Check that underlay overwriting is reported. | |
| 56 underlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(43)), | |
| 57 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 58 obs.VerifyAndResetChangedKey(overlay_key); | |
| 59 | |
| 60 // Check that overwriting change in overlay is reported. | |
| 61 overlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(44)), | |
| 62 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 63 obs.VerifyAndResetChangedKey(overlay_key); | |
| 64 | |
| 65 // Check that hidden underlay change is not reported. | |
| 66 underlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(45)), | |
| 67 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 68 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 69 | |
| 70 // Check that overlay remove is reported. | |
| 71 overlay_->RemoveValue(overlay_key, | |
| 72 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 73 obs.VerifyAndResetChangedKey(overlay_key); | |
| 74 | |
| 75 // Check that underlay remove is reported. | |
| 76 underlay_->RemoveValue(overlay_key, | |
| 77 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 78 obs.VerifyAndResetChangedKey(overlay_key); | |
| 79 | |
| 80 // Check respecting of silence. | |
| 81 overlay_->SetValueSilently(overlay_key, | |
| 82 make_scoped_ptr(new FundamentalValue(46)), | |
| 83 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 84 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 85 | |
| 86 overlay_->RemoveObserver(&obs); | |
| 87 | |
| 88 // Check successful unsubscription. | |
| 89 underlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(47)), | |
| 90 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 91 overlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(48)), | |
| 92 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 93 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 94 } | |
| 95 | |
| 96 TEST_F(OverlayUserPrefStoreTest, GetAndSet) { | |
| 97 const Value* value = NULL; | |
| 98 EXPECT_FALSE(overlay_->GetValue(overlay_key, &value)); | |
| 99 EXPECT_FALSE(underlay_->GetValue(overlay_key, &value)); | |
| 100 | |
| 101 underlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(42)), | |
| 102 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 103 | |
| 104 // Value shines through: | |
| 105 EXPECT_TRUE(overlay_->GetValue(overlay_key, &value)); | |
| 106 EXPECT_TRUE(base::FundamentalValue(42).Equals(value)); | |
| 107 | |
| 108 EXPECT_TRUE(underlay_->GetValue(overlay_key, &value)); | |
| 109 EXPECT_TRUE(base::FundamentalValue(42).Equals(value)); | |
| 110 | |
| 111 overlay_->SetValue(overlay_key, make_scoped_ptr(new FundamentalValue(43)), | |
| 112 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 113 | |
| 114 EXPECT_TRUE(overlay_->GetValue(overlay_key, &value)); | |
| 115 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 116 | |
| 117 EXPECT_TRUE(underlay_->GetValue(overlay_key, &value)); | |
| 118 EXPECT_TRUE(base::FundamentalValue(42).Equals(value)); | |
| 119 | |
| 120 overlay_->RemoveValue(overlay_key, | |
| 121 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 122 | |
| 123 // Value shines through: | |
| 124 EXPECT_TRUE(overlay_->GetValue(overlay_key, &value)); | |
| 125 EXPECT_TRUE(base::FundamentalValue(42).Equals(value)); | |
| 126 | |
| 127 EXPECT_TRUE(underlay_->GetValue(overlay_key, &value)); | |
| 128 EXPECT_TRUE(base::FundamentalValue(42).Equals(value)); | |
| 129 } | |
| 130 | |
| 131 // Check that GetMutableValue does not return the dictionary of the underlay. | |
| 132 TEST_F(OverlayUserPrefStoreTest, ModifyDictionaries) { | |
| 133 underlay_->SetValue(overlay_key, make_scoped_ptr(new DictionaryValue), | |
| 134 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 135 | |
| 136 Value* modify = NULL; | |
| 137 EXPECT_TRUE(overlay_->GetMutableValue(overlay_key, &modify)); | |
| 138 ASSERT_TRUE(modify); | |
| 139 ASSERT_TRUE(modify->IsType(Value::TYPE_DICTIONARY)); | |
| 140 static_cast<DictionaryValue*>(modify)->SetInteger(overlay_key, 42); | |
| 141 | |
| 142 Value* original_in_underlay = NULL; | |
| 143 EXPECT_TRUE(underlay_->GetMutableValue(overlay_key, &original_in_underlay)); | |
| 144 ASSERT_TRUE(original_in_underlay); | |
| 145 ASSERT_TRUE(original_in_underlay->IsType(Value::TYPE_DICTIONARY)); | |
| 146 EXPECT_TRUE(static_cast<DictionaryValue*>(original_in_underlay)->empty()); | |
| 147 | |
| 148 Value* modified = NULL; | |
| 149 EXPECT_TRUE(overlay_->GetMutableValue(overlay_key, &modified)); | |
| 150 ASSERT_TRUE(modified); | |
| 151 ASSERT_TRUE(modified->IsType(Value::TYPE_DICTIONARY)); | |
| 152 EXPECT_TRUE(Value::Equals(modify, static_cast<DictionaryValue*>(modified))); | |
| 153 } | |
| 154 | |
| 155 // Here we consider a global preference that is not overlayed. | |
| 156 TEST_F(OverlayUserPrefStoreTest, GlobalPref) { | |
| 157 PrefStoreObserverMock obs; | |
| 158 overlay_->AddObserver(&obs); | |
| 159 | |
| 160 const Value* value = NULL; | |
| 161 | |
| 162 // Check that underlay first value is reported. | |
| 163 underlay_->SetValue(regular_key, make_scoped_ptr(new FundamentalValue(42)), | |
| 164 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 165 obs.VerifyAndResetChangedKey(regular_key); | |
| 166 | |
| 167 // Check that underlay overwriting is reported. | |
| 168 underlay_->SetValue(regular_key, make_scoped_ptr(new FundamentalValue(43)), | |
| 169 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 170 obs.VerifyAndResetChangedKey(regular_key); | |
| 171 | |
| 172 // Check that we get this value from the overlay | |
| 173 EXPECT_TRUE(overlay_->GetValue(regular_key, &value)); | |
| 174 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 175 | |
| 176 // Check that overwriting change in overlay is reported. | |
| 177 overlay_->SetValue(regular_key, make_scoped_ptr(new FundamentalValue(44)), | |
| 178 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 179 obs.VerifyAndResetChangedKey(regular_key); | |
| 180 | |
| 181 // Check that we get this value from the overlay and the underlay. | |
| 182 EXPECT_TRUE(overlay_->GetValue(regular_key, &value)); | |
| 183 EXPECT_TRUE(base::FundamentalValue(44).Equals(value)); | |
| 184 EXPECT_TRUE(underlay_->GetValue(regular_key, &value)); | |
| 185 EXPECT_TRUE(base::FundamentalValue(44).Equals(value)); | |
| 186 | |
| 187 // Check that overlay remove is reported. | |
| 188 overlay_->RemoveValue(regular_key, | |
| 189 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 190 obs.VerifyAndResetChangedKey(regular_key); | |
| 191 | |
| 192 // Check that value was removed from overlay and underlay | |
| 193 EXPECT_FALSE(overlay_->GetValue(regular_key, &value)); | |
| 194 EXPECT_FALSE(underlay_->GetValue(regular_key, &value)); | |
| 195 | |
| 196 // Check respecting of silence. | |
| 197 overlay_->SetValueSilently(regular_key, | |
| 198 make_scoped_ptr(new FundamentalValue(46)), | |
| 199 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 200 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 201 | |
| 202 overlay_->RemoveObserver(&obs); | |
| 203 | |
| 204 // Check successful unsubscription. | |
| 205 underlay_->SetValue(regular_key, make_scoped_ptr(new FundamentalValue(47)), | |
| 206 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 207 overlay_->SetValue(regular_key, make_scoped_ptr(new FundamentalValue(48)), | |
| 208 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 209 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 210 } | |
| 211 | |
| 212 // Check that names mapping works correctly. | |
| 213 TEST_F(OverlayUserPrefStoreTest, NamesMapping) { | |
| 214 PrefStoreObserverMock obs; | |
| 215 overlay_->AddObserver(&obs); | |
| 216 | |
| 217 const Value* value = NULL; | |
| 218 | |
| 219 // Check that if there is no override in the overlay, changing underlay value | |
| 220 // is reported as changing an overlay value. | |
| 221 underlay_->SetValue(mapped_underlay_key, | |
| 222 make_scoped_ptr(new FundamentalValue(42)), | |
| 223 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 224 obs.VerifyAndResetChangedKey(mapped_overlay_key); | |
| 225 | |
| 226 // Check that underlay overwriting is reported. | |
| 227 underlay_->SetValue(mapped_underlay_key, | |
| 228 make_scoped_ptr(new FundamentalValue(43)), | |
| 229 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 230 obs.VerifyAndResetChangedKey(mapped_overlay_key); | |
| 231 | |
| 232 // Check that we get this value from the overlay with both keys | |
| 233 EXPECT_TRUE(overlay_->GetValue(mapped_overlay_key, &value)); | |
| 234 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 235 // In this case, overlay reads directly from the underlay. | |
| 236 EXPECT_TRUE(overlay_->GetValue(mapped_underlay_key, &value)); | |
| 237 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 238 | |
| 239 // Check that overwriting change in overlay is reported. | |
| 240 overlay_->SetValue(mapped_overlay_key, | |
| 241 make_scoped_ptr(new FundamentalValue(44)), | |
| 242 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 243 obs.VerifyAndResetChangedKey(mapped_overlay_key); | |
| 244 | |
| 245 // Check that we get an overriden value from overlay, while reading the | |
| 246 // value from underlay still holds an old value. | |
| 247 EXPECT_TRUE(overlay_->GetValue(mapped_overlay_key, &value)); | |
| 248 EXPECT_TRUE(base::FundamentalValue(44).Equals(value)); | |
| 249 EXPECT_TRUE(overlay_->GetValue(mapped_underlay_key, &value)); | |
| 250 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 251 EXPECT_TRUE(underlay_->GetValue(mapped_underlay_key, &value)); | |
| 252 EXPECT_TRUE(base::FundamentalValue(43).Equals(value)); | |
| 253 | |
| 254 // Check that hidden underlay change is not reported. | |
| 255 underlay_->SetValue(mapped_underlay_key, | |
| 256 make_scoped_ptr(new FundamentalValue(45)), | |
| 257 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 258 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 259 | |
| 260 // Check that overlay remove is reported. | |
| 261 overlay_->RemoveValue(mapped_overlay_key, | |
| 262 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 263 obs.VerifyAndResetChangedKey(mapped_overlay_key); | |
| 264 | |
| 265 // Check that underlay remove is reported. | |
| 266 underlay_->RemoveValue(mapped_underlay_key, | |
| 267 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 268 obs.VerifyAndResetChangedKey(mapped_overlay_key); | |
| 269 | |
| 270 // Check that value was removed. | |
| 271 EXPECT_FALSE(overlay_->GetValue(mapped_overlay_key, &value)); | |
| 272 EXPECT_FALSE(overlay_->GetValue(mapped_underlay_key, &value)); | |
| 273 | |
| 274 // Check respecting of silence. | |
| 275 overlay_->SetValueSilently(mapped_overlay_key, | |
| 276 make_scoped_ptr(new FundamentalValue(46)), | |
| 277 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 278 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 279 | |
| 280 overlay_->RemoveObserver(&obs); | |
| 281 | |
| 282 // Check successful unsubscription. | |
| 283 underlay_->SetValue(mapped_underlay_key, | |
| 284 make_scoped_ptr(new FundamentalValue(47)), | |
| 285 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 286 overlay_->SetValue(mapped_overlay_key, | |
| 287 make_scoped_ptr(new FundamentalValue(48)), | |
| 288 WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
| 289 EXPECT_TRUE(obs.changed_keys.empty()); | |
| 290 } | |
| 291 | |
| 292 } // namespace base | |
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