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// Copyright (c) 2012 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 "base/prefs/overlay_user_pref_store.h"
#include "base/prefs/pref_store_observer_mock.h"
#include "base/prefs/testing_pref_store.h"
#include "base/values.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::Mock;
using ::testing::StrEq;
namespace base {
namespace {
const char kBrowserWindowPlacement[] = "browser.window_placement";
const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs";
const char* overlay_key = kBrowserWindowPlacement;
const char* regular_key = kShowBookmarkBar;
// With the removal of the kWebKitGlobalXXX prefs, we'll no longer have real
// prefs using the overlay pref store, so make up keys here.
const char* mapped_overlay_key = "test.per_tab.javascript_enabled";
const char* mapped_underlay_key = "test.per_profile.javascript_enabled";
} // namespace
class OverlayUserPrefStoreTest : public testing::Test {
protected:
OverlayUserPrefStoreTest()
: underlay_(new TestingPrefStore()),
overlay_(new OverlayUserPrefStore(underlay_.get())) {
overlay_->RegisterOverlayPref(overlay_key);
overlay_->RegisterOverlayPref(mapped_overlay_key, mapped_underlay_key);
}
virtual ~OverlayUserPrefStoreTest() {}
scoped_refptr<TestingPrefStore> underlay_;
scoped_refptr<OverlayUserPrefStore> overlay_;
};
TEST_F(OverlayUserPrefStoreTest, Observer) {
PrefStoreObserverMock obs;
overlay_->AddObserver(&obs);
// Check that underlay first value is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(1);
underlay_->SetValue(overlay_key, new FundamentalValue(42));
Mock::VerifyAndClearExpectations(&obs);
// Check that underlay overwriting is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(1);
underlay_->SetValue(overlay_key, new FundamentalValue(43));
Mock::VerifyAndClearExpectations(&obs);
// Check that overwriting change in overlay is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(1);
overlay_->SetValue(overlay_key, new FundamentalValue(44));
Mock::VerifyAndClearExpectations(&obs);
// Check that hidden underlay change is not reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(0);
underlay_->SetValue(overlay_key, new FundamentalValue(45));
Mock::VerifyAndClearExpectations(&obs);
// Check that overlay remove is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(1);
overlay_->RemoveValue(overlay_key);
Mock::VerifyAndClearExpectations(&obs);
// Check that underlay remove is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(1);
underlay_->RemoveValue(overlay_key);
Mock::VerifyAndClearExpectations(&obs);
// Check respecting of silence.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(0);
overlay_->SetValueSilently(overlay_key, new FundamentalValue(46));
Mock::VerifyAndClearExpectations(&obs);
overlay_->RemoveObserver(&obs);
// Check successful unsubscription.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(overlay_key))).Times(0);
underlay_->SetValue(overlay_key, new FundamentalValue(47));
overlay_->SetValue(overlay_key, new FundamentalValue(48));
Mock::VerifyAndClearExpectations(&obs);
}
TEST_F(OverlayUserPrefStoreTest, GetAndSet) {
const Value* value = NULL;
EXPECT_FALSE(overlay_->GetValue(overlay_key, &value));
EXPECT_FALSE(underlay_->GetValue(overlay_key, &value));
underlay_->SetValue(overlay_key, new FundamentalValue(42));
// Value shines through:
EXPECT_TRUE(overlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(42).Equals(value));
EXPECT_TRUE(underlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(42).Equals(value));
overlay_->SetValue(overlay_key, new FundamentalValue(43));
EXPECT_TRUE(overlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
EXPECT_TRUE(underlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(42).Equals(value));
overlay_->RemoveValue(overlay_key);
// Value shines through:
EXPECT_TRUE(overlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(42).Equals(value));
EXPECT_TRUE(underlay_->GetValue(overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(42).Equals(value));
}
// Check that GetMutableValue does not return the dictionary of the underlay.
TEST_F(OverlayUserPrefStoreTest, ModifyDictionaries) {
underlay_->SetValue(overlay_key, new DictionaryValue);
Value* modify = NULL;
EXPECT_TRUE(overlay_->GetMutableValue(overlay_key, &modify));
ASSERT_TRUE(modify);
ASSERT_TRUE(modify->IsType(Value::TYPE_DICTIONARY));
static_cast<DictionaryValue*>(modify)->SetInteger(overlay_key, 42);
Value* original_in_underlay = NULL;
EXPECT_TRUE(underlay_->GetMutableValue(overlay_key, &original_in_underlay));
ASSERT_TRUE(original_in_underlay);
ASSERT_TRUE(original_in_underlay->IsType(Value::TYPE_DICTIONARY));
EXPECT_TRUE(static_cast<DictionaryValue*>(original_in_underlay)->empty());
Value* modified = NULL;
EXPECT_TRUE(overlay_->GetMutableValue(overlay_key, &modified));
ASSERT_TRUE(modified);
ASSERT_TRUE(modified->IsType(Value::TYPE_DICTIONARY));
EXPECT_TRUE(Value::Equals(modify, static_cast<DictionaryValue*>(modified)));
}
// Here we consider a global preference that is not overlayed.
TEST_F(OverlayUserPrefStoreTest, GlobalPref) {
PrefStoreObserverMock obs;
overlay_->AddObserver(&obs);
const Value* value = NULL;
// Check that underlay first value is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(1);
underlay_->SetValue(regular_key, new FundamentalValue(42));
Mock::VerifyAndClearExpectations(&obs);
// Check that underlay overwriting is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(1);
underlay_->SetValue(regular_key, new FundamentalValue(43));
Mock::VerifyAndClearExpectations(&obs);
// Check that we get this value from the overlay
EXPECT_TRUE(overlay_->GetValue(regular_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
// Check that overwriting change in overlay is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(1);
overlay_->SetValue(regular_key, new FundamentalValue(44));
Mock::VerifyAndClearExpectations(&obs);
// Check that we get this value from the overlay and the underlay.
EXPECT_TRUE(overlay_->GetValue(regular_key, &value));
EXPECT_TRUE(base::FundamentalValue(44).Equals(value));
EXPECT_TRUE(underlay_->GetValue(regular_key, &value));
EXPECT_TRUE(base::FundamentalValue(44).Equals(value));
// Check that overlay remove is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(1);
overlay_->RemoveValue(regular_key);
Mock::VerifyAndClearExpectations(&obs);
// Check that value was removed from overlay and underlay
EXPECT_FALSE(overlay_->GetValue(regular_key, &value));
EXPECT_FALSE(underlay_->GetValue(regular_key, &value));
// Check respecting of silence.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(0);
overlay_->SetValueSilently(regular_key, new FundamentalValue(46));
Mock::VerifyAndClearExpectations(&obs);
overlay_->RemoveObserver(&obs);
// Check successful unsubscription.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(regular_key))).Times(0);
underlay_->SetValue(regular_key, new FundamentalValue(47));
overlay_->SetValue(regular_key, new FundamentalValue(48));
Mock::VerifyAndClearExpectations(&obs);
}
// Check that names mapping works correctly.
TEST_F(OverlayUserPrefStoreTest, NamesMapping) {
PrefStoreObserverMock obs;
overlay_->AddObserver(&obs);
const Value* value = NULL;
// Check that if there is no override in the overlay, changing underlay value
// is reported as changing an overlay value.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(1);
underlay_->SetValue(mapped_underlay_key, new FundamentalValue(42));
Mock::VerifyAndClearExpectations(&obs);
// Check that underlay overwriting is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(1);
underlay_->SetValue(mapped_underlay_key, new FundamentalValue(43));
Mock::VerifyAndClearExpectations(&obs);
// Check that we get this value from the overlay with both keys
EXPECT_TRUE(overlay_->GetValue(mapped_overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
// In this case, overlay reads directly from the underlay.
EXPECT_TRUE(overlay_->GetValue(mapped_underlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
// Check that overwriting change in overlay is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(1);
overlay_->SetValue(mapped_overlay_key, new FundamentalValue(44));
Mock::VerifyAndClearExpectations(&obs);
// Check that we get an overriden value from overlay, while reading the
// value from underlay still holds an old value.
EXPECT_TRUE(overlay_->GetValue(mapped_overlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(44).Equals(value));
EXPECT_TRUE(overlay_->GetValue(mapped_underlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
EXPECT_TRUE(underlay_->GetValue(mapped_underlay_key, &value));
EXPECT_TRUE(base::FundamentalValue(43).Equals(value));
// Check that hidden underlay change is not reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(0);
underlay_->SetValue(mapped_underlay_key, new FundamentalValue(45));
Mock::VerifyAndClearExpectations(&obs);
// Check that overlay remove is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(1);
overlay_->RemoveValue(mapped_overlay_key);
Mock::VerifyAndClearExpectations(&obs);
// Check that underlay remove is reported.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(1);
underlay_->RemoveValue(mapped_underlay_key);
Mock::VerifyAndClearExpectations(&obs);
// Check that value was removed.
EXPECT_FALSE(overlay_->GetValue(mapped_overlay_key, &value));
EXPECT_FALSE(overlay_->GetValue(mapped_underlay_key, &value));
// Check respecting of silence.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(0);
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_underlay_key))).Times(0);
overlay_->SetValueSilently(mapped_overlay_key, new FundamentalValue(46));
Mock::VerifyAndClearExpectations(&obs);
overlay_->RemoveObserver(&obs);
// Check successful unsubscription.
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_overlay_key))).Times(0);
EXPECT_CALL(obs, OnPrefValueChanged(StrEq(mapped_underlay_key))).Times(0);
underlay_->SetValue(mapped_underlay_key, new FundamentalValue(47));
overlay_->SetValue(mapped_overlay_key, new FundamentalValue(48));
Mock::VerifyAndClearExpectations(&obs);
}
} // namespace base
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