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arangodb/tests/Cluster/ClusterInfo-test.cpp

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2018 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 "gtest/gtest.h"
#include "velocypack/Builder.h"
#include "velocypack/Parser.h"
#include "velocypack/Slice.h"
#include "IResearch/AgencyMock.h"
#include "Mocks/LogLevels.h"
#include "Mocks/StorageEngineMock.h"
#include "Agency/Store.h"
#include "ApplicationFeatures/ApplicationServer.h"
#include "ApplicationFeatures/CommunicationFeaturePhase.h"
#include "Cluster/ClusterComm.h"
#include "Cluster/ClusterFeature.h"
#include "Cluster/ClusterInfo.h"
#include "GeneralServer/AuthenticationFeature.h"
#include "IResearch/VelocyPackHelper.h"
#include "RestServer/DatabaseFeature.h"
#include "RestServer/QueryRegistryFeature.h"
#include "RestServer/ViewTypesFeature.h"
#include "StorageEngine/EngineSelectorFeature.h"
#include "V8Server/V8DealerFeature.h"
#include "VocBase/LogicalView.h"
#include "VocBase/vocbase.h"
#if USE_ENTERPRISE
#include "Enterprise/Ldap/LdapFeature.h"
#endif
namespace {
struct TestView : public arangodb::LogicalView {
arangodb::velocypack::Builder _definition;
TestView(TRI_vocbase_t& vocbase, arangodb::velocypack::Slice const& definition, uint64_t planVersion)
: arangodb::LogicalView(vocbase, definition, planVersion),
_definition(definition) {}
virtual arangodb::Result appendVelocyPackImpl(
arangodb::velocypack::Builder& builder,
std::underlying_type<LogicalDataSource::Serialize>::type flags) const override {
return arangodb::iresearch::mergeSlice(builder, _definition.slice())
? TRI_ERROR_NO_ERROR
: TRI_ERROR_INTERNAL;
}
virtual arangodb::Result dropImpl() override {
return arangodb::LogicalViewHelperClusterInfo::drop(*this);
}
virtual void open() override {}
virtual arangodb::Result properties(arangodb::velocypack::Slice const&, bool) override {
return arangodb::Result();
}
virtual arangodb::Result renameImpl(std::string const& oldName) override {
return arangodb::LogicalViewHelperStorageEngine::rename(*this, oldName);
}
virtual bool visitCollections(CollectionVisitor const& visitor) const override {
return true;
}
};
struct ViewFactory : public arangodb::ViewFactory {
virtual arangodb::Result create(arangodb::LogicalView::ptr& view, TRI_vocbase_t& vocbase,
arangodb::velocypack::Slice const& definition) const override {
auto* ci = arangodb::ClusterInfo::instance();
if (!ci) {
return TRI_ERROR_INTERNAL;
}
auto res = instantiate(view, vocbase, definition, 0);
if (!res.ok()) {
return res;
}
if (!view) {
return TRI_ERROR_INTERNAL;
}
arangodb::velocypack::Builder builder;
builder.openObject();
res = view->properties(builder, arangodb::LogicalDataSource::makeFlags(
arangodb::LogicalDataSource::Serialize::Detailed,
arangodb::LogicalDataSource::Serialize::ForPersistence));
if (!res.ok()) {
return res;
}
builder.close();
return ci->createViewCoordinator(vocbase.name(), std::to_string(view->id()),
builder.slice());
}
virtual arangodb::Result instantiate(arangodb::LogicalView::ptr& view,
TRI_vocbase_t& vocbase,
arangodb::velocypack::Slice const& definition,
uint64_t planVersion) const override {
view = std::make_shared<TestView>(vocbase, definition, planVersion);
return arangodb::Result();
}
};
} // namespace
// -----------------------------------------------------------------------------
// --SECTION-- setup / tear-down
// -----------------------------------------------------------------------------
class ClusterInfoTest : public ::testing::Test,
public LogSuppressor<Logger::AGENCY, LogLevel::FATAL>,
public LogSuppressor<Logger::AUTHENTICATION, LogLevel::ERR>,
public LogSuppressor<Logger::CLUSTER, LogLevel::FATAL>,
{
protected:
struct ClusterCommControl : arangodb::ClusterComm {
static void reset() { arangodb::ClusterComm::_theInstanceInit.store(0); }
};
arangodb::application_features::ApplicationServer server;
GeneralClientConnectionAgencyMock* agency;
arangodb::consensus::Store agencyStore;
StorageEngineMock engine;
std::vector<std::pair<arangodb::application_features::ApplicationFeature&, bool>> features;
ViewFactory viewFactory;
ClusterInfoTest()
: server(nullptr, nullptr), agencyStore(server, nullptr, "arango"), engine(server) {
auto* agencyCommManager = new AgencyCommManagerMock("arango");
agency = agencyCommManager->addConnection<GeneralClientConnectionAgencyMock>(agencyStore);
agency = agencyCommManager->addConnection<GeneralClientConnectionAgencyMock>(
agencyStore); // need 2 connections or Agency callbacks will fail
arangodb::AgencyCommManager::MANAGER.reset(agencyCommManager);
arangodb::EngineSelectorFeature::ENGINE = &engine;
// setup required application features
features.emplace_back(server.addFeature<arangodb::AuthenticationFeature>(), false); // required for ClusterFeature::prepare()
features.emplace_back(server.addFeature<arangodb::DatabaseFeature>(), false);
features.emplace_back(server.addFeature<arangodb::application_features::CommunicationFeaturePhase>(),
false);
features.emplace_back(server.addFeature<arangodb::ClusterFeature>(),
false); // required for ClusterInfo::instance()
features.emplace_back(server.addFeature<arangodb::QueryRegistryFeature>(), false); // required for DatabaseFeature::createDatabase(...)
features.emplace_back(server.addFeature<arangodb::V8DealerFeature>(), false); // required for DatabaseFeature::createDatabase(...)
features.emplace_back(server.addFeature<arangodb::ViewTypesFeature>(), false); // required for LogicalView::instantiate(...)
#if USE_ENTERPRISE
features.emplace_back(server.addFeature<arangodb::LdapFeature>(),
false); // required for AuthenticationFeature with USE_ENTERPRISE
#endif
for (auto& f : features) {
f.first.prepare();
}
for (auto& f : features) {
if (f.second) {
f.first.start();
}
}
// register view factory
server.getFeature<arangodb::ViewTypesFeature>().emplace(
arangodb::LogicalDataSource::Type::emplace(arangodb::velocypack::StringRef("testViewType")),
viewFactory);
agencyCommManager->start(); // initialize agency
}
~ClusterInfoTest() {
arangodb::ClusterInfo::cleanup(); // reset ClusterInfo::instance() before DatabaseFeature::unprepare()
// destroy application features
for (auto& f : features) {
if (f.second) {
f.first.stop();
}
}
for (auto& f : features) {
f.first.unprepare();
}
ClusterCommControl::reset();
arangodb::EngineSelectorFeature::ENGINE = nullptr;
}
};
// -----------------------------------------------------------------------------
// --SECTION-- test suite
// -----------------------------------------------------------------------------
TEST_F(ClusterInfoTest, test_drop_database) {
auto* database = arangodb::DatabaseFeature::DATABASE;
ASSERT_NE(nullptr, database);
auto* ci = arangodb::ClusterInfo::instance();
ASSERT_NE(nullptr, ci);
// test LogicalView dropped when database dropped
{
auto viewCreateJson = arangodb::velocypack::Parser::fromJson(
"{ \"name\": \"testView\", \"type\": \"testViewType\" }");
TRI_vocbase_t* vocbase; // will be owned by DatabaseFeature
// create database
ASSERT_TRUE((TRI_ERROR_NO_ERROR ==
database->createDatabase(1, "testDatabase", arangodb::velocypack::Slice::emptyObjectSlice(), vocbase)));
ASSERT_NE(nullptr, vocbase);
// simulate heartbeat thread
ASSERT_TRUE(arangodb::AgencyComm().setValue("Current/Databases/testDatabase", arangodb::velocypack::Slice::emptyObjectSlice(), 0.0).successful());
ASSERT_TRUE(ci->createDatabaseCoordinator(
vocbase->name(),
arangodb::velocypack::Slice::emptyObjectSlice(), 0.0).ok());
// initial view creation
{
arangodb::LogicalView::ptr logicalView;
ASSERT_TRUE(
(viewFactory.create(logicalView, *vocbase, viewCreateJson->slice()).ok()));
ASSERT_FALSE(!logicalView);
}
EXPECT_TRUE(ci->dropDatabaseCoordinator(vocbase->name(), 0.0).ok());
ASSERT_TRUE(arangodb::AgencyComm().setValue("Current/Databases/testDatabase", arangodb::velocypack::Slice::emptyObjectSlice(), 0.0).successful());
EXPECT_TRUE((ci->createDatabaseCoordinator(
vocbase->name(),
arangodb::velocypack::Slice::emptyObjectSlice(), 0.0).ok()));
arangodb::LogicalView::ptr logicalView;
EXPECT_TRUE(
(viewFactory.create(logicalView, *vocbase, viewCreateJson->slice()).ok()));
EXPECT_FALSE(!logicalView);
}
}