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arangodb/tests/RestServer/FlushFeature-test.cpp

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2019 ArangoDB GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Andrey Abramov
/// @author Vasiliy Nabatchikov
////////////////////////////////////////////////////////////////////////////////
#include "../Mocks/StorageEngineMock.h"
#include "ApplicationFeatures/ApplicationServer.h"
#include "Basics/encoding.h"
#include "Cluster/ClusterFeature.h"
#include "catch.hpp"
#if USE_ENTERPRISE
#include "Enterprise/Ldap/LdapFeature.h"
#endif
#include "GeneralServer/AuthenticationFeature.h"
#include "MMFiles/MMFilesWalRecoverState.h"
#include "RestServer/DatabaseFeature.h"
#include "RestServer/FlushFeature.h"
#include "RestServer/QueryRegistryFeature.h"
#include "RocksDBEngine/RocksDBEngine.h"
#include "RocksDBEngine/RocksDBFormat.h"
#include "RocksDBEngine/RocksDBRecoveryHelper.h"
#include "RocksDBEngine/RocksDBTypes.h"
#include "StorageEngine/EngineSelectorFeature.h"
#include "Utils/FlushThread.h"
#include "V8Server/V8DealerFeature.h"
#include "velocypack/Parser.h"
// -----------------------------------------------------------------------------
// --SECTION-- setup / tear-down
// -----------------------------------------------------------------------------
struct FlushFeatureSetup {
StorageEngineMock engine;
arangodb::application_features::ApplicationServer server;
std::vector<std::pair<arangodb::application_features::ApplicationFeature*, bool>> features;
FlushFeatureSetup() : engine(server), server(nullptr, nullptr) {
arangodb::EngineSelectorFeature::ENGINE = &engine;
// reset RocksDBRecoveryHelper list to avoid duplicates
const_cast<std::vector<std::shared_ptr<arangodb::RocksDBRecoveryHelper>>&>(
arangodb::RocksDBEngine::recoveryHelpers())
.clear();
// suppress log messages since tests check error conditions
arangodb::LogTopic::setLogLevel(arangodb::Logger::AUTHENTICATION.name(),
arangodb::LogLevel::WARN);
arangodb::LogTopic::setLogLevel(arangodb::Logger::ENGINES.name(),
arangodb::LogLevel::FATAL);
arangodb::LogTopic::setLogLevel(arangodb::Logger::CLUSTER.name(),
arangodb::LogLevel::FATAL);
features.emplace_back(new arangodb::AuthenticationFeature(server), false); // required for ClusterFeature::prepare()
features.emplace_back(new arangodb::ClusterFeature(server),
false); // required for V8DealerFeature::prepare()
features.emplace_back(arangodb::DatabaseFeature::DATABASE =
new arangodb::DatabaseFeature(server),
false); // required for MMFilesWalRecoverState constructor
features.emplace_back(new arangodb::QueryRegistryFeature(server), false); // required for TRI_vocbase_t
features.emplace_back(new arangodb::V8DealerFeature(server),
false); // required for DatabaseFeature::createDatabase(...)
#if USE_ENTERPRISE
features.emplace_back(new arangodb::LdapFeature(server),
false); // required for AuthenticationFeature with USE_ENTERPRISE
#endif
for (auto& f : features) {
arangodb::application_features::ApplicationServer::server->addFeature(f.first);
}
for (auto& f : features) {
f.first->prepare();
}
for (auto& f : features) {
if (f.second) {
f.first->start();
}
}
}
~FlushFeatureSetup() {
arangodb::application_features::ApplicationServer::server = nullptr;
// destroy application features
for (auto& f : features) {
if (f.second) {
f.first->stop();
}
}
for (auto& f : features) {
f.first->unprepare();
}
arangodb::LogTopic::setLogLevel(arangodb::Logger::ENGINES.name(),
arangodb::LogLevel::DEFAULT);
arangodb::LogTopic::setLogLevel(arangodb::Logger::CLUSTER.name(),
arangodb::LogLevel::DEFAULT);
arangodb::LogTopic::setLogLevel(arangodb::Logger::AUTHENTICATION.name(),
arangodb::LogLevel::DEFAULT);
arangodb::EngineSelectorFeature::ENGINE = nullptr;
}
};
// -----------------------------------------------------------------------------
// --SECTION-- test suite
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief setup
////////////////////////////////////////////////////////////////////////////////
TEST_CASE("FlushFeature", "[serverfeature][serverfeature-flush]") {
FlushFeatureSetup s;
(void)(s);
SECTION("test_WAL_recover") {
auto* dbFeature =
arangodb::application_features::ApplicationServer::lookupFeature<arangodb::DatabaseFeature>(
"Database");
REQUIRE((dbFeature));
TRI_vocbase_t* vocbase;
REQUIRE((TRI_ERROR_NO_ERROR == dbFeature->createDatabase(1, "testDatabase", vocbase)));
arangodb::FlushFeature feature(s.server);
feature.prepare(); // register handler
arangodb::FlushFeature::registerFlushRecoveryCallback(
"test_fail",
[](TRI_vocbase_t const&, arangodb::velocypack::Slice const&) -> arangodb::Result {
return arangodb::Result(TRI_ERROR_INTERNAL);
});
arangodb::FlushFeature::registerFlushRecoveryCallback(
"test_pass",
[](TRI_vocbase_t const&, arangodb::velocypack::Slice const&) -> arangodb::Result {
return arangodb::Result();
});
// non-object body (MMFiles)
{
auto json = arangodb::velocypack::Parser::fromJson("[]");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// non-object body (RocksDB)
{
auto json = arangodb::velocypack::Parser::fromJson("[]");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// missing type (MMFiles)
{
auto json = arangodb::velocypack::Parser::fromJson("{}");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// missing type (RocksDB)
{
auto json = arangodb::velocypack::Parser::fromJson("{}");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// non-string type (MMFiles)
{
auto json = arangodb::velocypack::Parser::fromJson("{ \"type\": 42 }");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// non-string type (RocksDB)
{
auto json = arangodb::velocypack::Parser::fromJson("{ \"type\": 42 }");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// missing type handler (MMFiles)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test\" }");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// missing type handler (RocksDB)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test\" }");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// missing vocbase (MMFiles)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_pass\" }");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(42), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// missing vocbase (RocksDB)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_pass\" }");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 42);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// type handler processing fail (MMFiles)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_fail\" }");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((1 == state.errorCount));
}
// type handler processing fail (RocksDB)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_fail\" }");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((1 == throwCount));
}
// type handler processing pass (MMFiles)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_pass\" }");
std::basic_string<uint8_t> buf;
buf.resize(sizeof(::MMFilesMarker) + sizeof(TRI_voc_tick_t)); // reserve space for header
arangodb::encoding::storeNumber(&buf[sizeof(::MMFilesMarker)],
TRI_voc_tick_t(1), sizeof(TRI_voc_tick_t));
buf.append(json->slice().begin(), json->slice().byteSize());
auto* marker = reinterpret_cast<MMFilesMarker*>(&buf[0]);
marker->setSize(buf.size());
marker->setType(::MMFilesMarkerType::TRI_DF_MARKER_VPACK_FLUSH_SYNC);
arangodb::MMFilesWalRecoverState state(false);
CHECK((0 == state.errorCount));
CHECK((arangodb::MMFilesWalRecoverState::ReplayMarker(marker, &state, nullptr)));
CHECK((0 == state.errorCount));
}
// type handler processing pass (MMFiles)
{
auto json =
arangodb::velocypack::Parser::fromJson("{ \"type\": \"test_pass\" }");
std::string buf;
buf.push_back(static_cast<char>(arangodb::RocksDBLogType::FlushSync));
arangodb::rocksutils::setRocksDBKeyFormatEndianess(
arangodb::RocksDBEndianness::Big); // required for uint64ToPersistent(...)
arangodb::rocksutils::uint64ToPersistent(buf, 1);
buf.append(json->slice().startAs<char>(), json->slice().byteSize());
rocksdb::Slice marker(buf);
size_t throwCount = 0;
for (auto& helper : arangodb::RocksDBEngine::recoveryHelpers()) { // one of them is for FlushFeature
try {
helper->LogData(marker); // will throw on error
} catch (...) {
++throwCount;
}
}
CHECK((0 == throwCount));
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief generate tests
////////////////////////////////////////////////////////////////////////////////
}
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
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