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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/value_store/testing_value_store.h"
#include <memory>
#include <ostream>
#include <utility>
#include "base/notreached.h"
namespace value_store {
namespace {
const char kGenericErrorMessage[] = "TestingValueStore configured to error";
// Having this utility function allows ValueStore::Status to not have a copy
// constructor.
ValueStore::Status CreateStatusCopy(const ValueStore::Status& status) {
return ValueStore::Status(status.code, status.restore_status, status.message);
}
} // namespace
TestingValueStore::TestingValueStore() = default;
TestingValueStore::~TestingValueStore() = default;
void TestingValueStore::set_status_code(StatusCode status_code) {
status_ = ValueStore::Status(status_code, kGenericErrorMessage);
}
size_t TestingValueStore::GetBytesInUse(const std::string& key) {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
}
size_t TestingValueStore::GetBytesInUse(const std::vector<std::string>& keys) {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
}
size_t TestingValueStore::GetBytesInUse() {
// Let SettingsStorageQuotaEnforcer implement this.
NOTREACHED() << "Not implemented";
}
ValueStore::ReadResult TestingValueStore::GetKeys() {
read_count_++;
if (!status_.ok()) {
return ReadResult(CreateStatusCopy(status_));
}
base::Value::Dict settings;
for (auto entry : storage_) {
settings.Set(entry.first, base::Value());
}
return ReadResult(std::move(settings), CreateStatusCopy(status_));
}
ValueStore::ReadResult TestingValueStore::Get(const std::string& key) {
return Get(std::vector<std::string>(1, key));
}
ValueStore::ReadResult TestingValueStore::Get(
const std::vector<std::string>& keys) {
read_count_++;
if (!status_.ok())
return ReadResult(CreateStatusCopy(status_));
base::Value::Dict settings;
for (const auto& key : keys) {
base::Value* value = storage_.Find(key);
if (value) {
settings.Set(key, value->Clone());
}
}
return ReadResult(std::move(settings), CreateStatusCopy(status_));
}
ValueStore::ReadResult TestingValueStore::Get() {
read_count_++;
if (!status_.ok())
return ReadResult(CreateStatusCopy(status_));
return ReadResult(storage_.Clone(), CreateStatusCopy(status_));
}
ValueStore::WriteResult TestingValueStore::Set(WriteOptions options,
const std::string& key,
const base::Value& value) {
base::Value::Dict settings;
settings.Set(key, value.Clone());
return Set(options, settings);
}
ValueStore::WriteResult TestingValueStore::Set(
WriteOptions options,
const base::Value::Dict& settings) {
write_count_++;
if (!status_.ok())
return WriteResult(CreateStatusCopy(status_));
ValueStoreChangeList changes;
for (const auto [key, value] : settings) {
base::Value* old_value = storage_.Find(key);
if (!old_value || *old_value != value) {
changes.emplace_back(key,
old_value
? std::optional<base::Value>(old_value->Clone())
: std::nullopt,
value.Clone());
storage_.Set(key, value.Clone());
}
}
return WriteResult(std::move(changes), CreateStatusCopy(status_));
}
ValueStore::WriteResult TestingValueStore::Remove(const std::string& key) {
return Remove(std::vector<std::string>(1, key));
}
ValueStore::WriteResult TestingValueStore::Remove(
const std::vector<std::string>& keys) {
write_count_++;
if (!status_.ok())
return WriteResult(CreateStatusCopy(status_));
ValueStoreChangeList changes;
for (auto const& key : keys) {
std::optional<base::Value> old_value = storage_.Extract(key);
if (old_value.has_value()) {
changes.emplace_back(key, std::move(*old_value), std::nullopt);
}
}
return WriteResult(std::move(changes), CreateStatusCopy(status_));
}
ValueStore::WriteResult TestingValueStore::Clear() {
std::vector<std::string> keys;
for (const auto [key, value] : storage_) {
keys.push_back(key);
}
return Remove(keys);
}
} // namespace value_store
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