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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 "chrome/browser/value_store/testing_value_store.h"
#include "base/logging.h"
namespace {
const char* kGenericErrorMessage = "TestingValueStore configured to error";
ValueStore::ReadResult ReadResultError() {
return ValueStore::MakeReadResult(kGenericErrorMessage);
}
ValueStore::WriteResult WriteResultError() {
return ValueStore::MakeWriteResult(kGenericErrorMessage);
}
std::vector<std::string> CreateVector(const std::string& string) {
std::vector<std::string> strings;
strings.push_back(string);
return strings;
}
} // namespace
TestingValueStore::TestingValueStore()
: fail_all_requests_(false) {}
TestingValueStore::~TestingValueStore() {}
void TestingValueStore::SetFailAllRequests(bool fail_all_requests) {
fail_all_requests_ = fail_all_requests;
}
size_t TestingValueStore::GetBytesInUse(const std::string& key) {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
return 0;
}
size_t TestingValueStore::GetBytesInUse(
const std::vector<std::string>& keys) {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
return 0;
}
size_t TestingValueStore::GetBytesInUse() {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
return 0;
}
ValueStore::ReadResult TestingValueStore::Get(
const std::string& key) {
return Get(CreateVector(key));
}
ValueStore::ReadResult TestingValueStore::Get(
const std::vector<std::string>& keys) {
if (fail_all_requests_) {
return ReadResultError();
}
DictionaryValue* settings = new DictionaryValue();
for (std::vector<std::string>::const_iterator it = keys.begin();
it != keys.end(); ++it) {
Value* value = NULL;
if (storage_.GetWithoutPathExpansion(*it, &value)) {
settings->SetWithoutPathExpansion(*it, value->DeepCopy());
}
}
return MakeReadResult(settings);
}
ValueStore::ReadResult TestingValueStore::Get() {
if (fail_all_requests_) {
return ReadResultError();
}
return MakeReadResult(storage_.DeepCopy());
}
ValueStore::WriteResult TestingValueStore::Set(
WriteOptions options, const std::string& key, const Value& value) {
DictionaryValue settings;
settings.SetWithoutPathExpansion(key, value.DeepCopy());
return Set(options, settings);
}
ValueStore::WriteResult TestingValueStore::Set(
WriteOptions options, const DictionaryValue& settings) {
if (fail_all_requests_) {
return WriteResultError();
}
scoped_ptr<ValueStoreChangeList> changes(new ValueStoreChangeList());
for (DictionaryValue::Iterator it(settings); it.HasNext(); it.Advance()) {
Value* old_value = NULL;
storage_.GetWithoutPathExpansion(it.key(), &old_value);
if (!old_value || !old_value->Equals(&it.value())) {
changes->push_back(
ValueStoreChange(
it.key(),
old_value ? old_value->DeepCopy() : old_value,
it.value().DeepCopy()));
storage_.SetWithoutPathExpansion(it.key(), it.value().DeepCopy());
}
}
return MakeWriteResult(changes.release());
}
ValueStore::WriteResult TestingValueStore::Remove(
const std::string& key) {
return Remove(CreateVector(key));
}
ValueStore::WriteResult TestingValueStore::Remove(
const std::vector<std::string>& keys) {
if (fail_all_requests_) {
return WriteResultError();
}
scoped_ptr<ValueStoreChangeList> changes(
new ValueStoreChangeList());
for (std::vector<std::string>::const_iterator it = keys.begin();
it != keys.end(); ++it) {
Value* old_value = NULL;
if (storage_.RemoveWithoutPathExpansion(*it, &old_value)) {
changes->push_back(ValueStoreChange(*it, old_value, NULL));
}
}
return MakeWriteResult(changes.release());
}
ValueStore::WriteResult TestingValueStore::Clear() {
if (fail_all_requests_) {
return WriteResultError();
}
std::vector<std::string> keys;
for (DictionaryValue::Iterator it(storage_); it.HasNext(); it.Advance()) {
keys.push_back(it.key());
}
return Remove(keys);
}
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