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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/s/catalog/replset/catalog_manager_replica_set_test_fixture.h"
#include <vector>
#include "mongo/base/status_with.h"
#include "mongo/client/remote_command_runner_mock.h"
#include "mongo/client/remote_command_targeter_factory_mock.h"
#include "mongo/db/commands.h"
#include "mongo/db/query/cursor_responses.h"
#include "mongo/db/repl/replication_executor.h"
#include "mongo/executor/network_interface_mock.h"
#include "mongo/executor/task_executor.h"
#include "mongo/s/catalog/dist_lock_manager_mock.h"
#include "mongo/s/catalog/replset/catalog_manager_replica_set.h"
#include "mongo/s/client/shard_registry.h"
#include "mongo/s/grid.h"
#include "mongo/stdx/memory.h"
namespace mongo {
using executor::NetworkInterfaceMock;
using std::vector;
CatalogManagerReplSetTestFixture::CatalogManagerReplSetTestFixture() = default;
CatalogManagerReplSetTestFixture::~CatalogManagerReplSetTestFixture() = default;
void CatalogManagerReplSetTestFixture::setUp() {
std::unique_ptr<NetworkInterfaceMock> network(
stdx::make_unique<executor::NetworkInterfaceMock>());
_mockNetwork = network.get();
std::unique_ptr<repl::ReplicationExecutor> executor(
stdx::make_unique<repl::ReplicationExecutor>(network.release(),
nullptr,
0));
// The executor thread might run after the executor unique_ptr above has been moved to the
// ShardRegistry, so make sure we get the underlying pointer before that.
_executorThread = std::thread(std::bind([](repl::ReplicationExecutor* executorPtr) {
executorPtr->run();
},
executor.get()));
std::unique_ptr<CatalogManagerReplicaSet> cm(
stdx::make_unique<CatalogManagerReplicaSet>());
ASSERT_OK(cm->init(ConnectionString::forReplicaSet("CatalogManagerReplSetTest",
{ HostAndPort{ "TestHost1" },
HostAndPort{ "TestHost2" } }),
stdx::make_unique<DistLockManagerMock>()));
std::unique_ptr<ShardRegistry> shardRegistry(
stdx::make_unique<ShardRegistry>(stdx::make_unique<RemoteCommandTargeterFactoryMock>(),
stdx::make_unique<RemoteCommandRunnerMock>(),
std::move(executor),
cm.get()));
// For now initialize the global grid object. All sharding objects will be accessible
// from there until we get rid of it.
grid.init(std::move(cm), std::move(shardRegistry));
}
void CatalogManagerReplSetTestFixture::tearDown() {
// Stop the executor and wait for the executor thread to complete. This means that there
// will be no more calls into the executor and it can be safely deleted.
shardRegistry()->getExecutor()->shutdown();
_executorThread.join();
// This call will delete the shard registry, which will terminate the executor
grid.clearForUnitTests();
}
CatalogManagerReplicaSet* CatalogManagerReplSetTestFixture::catalogManager() const {
auto cm = dynamic_cast<CatalogManagerReplicaSet*>(grid.catalogManager());
invariant(cm);
return cm;
}
ShardRegistry* CatalogManagerReplSetTestFixture::shardRegistry() const {
return grid.shardRegistry();
}
RemoteCommandRunnerMock* CatalogManagerReplSetTestFixture::commandRunner() const {
return RemoteCommandRunnerMock::get(shardRegistry()->getCommandRunner());
}
executor::NetworkInterfaceMock* CatalogManagerReplSetTestFixture::network() const {
return _mockNetwork;
}
DistLockManagerMock* CatalogManagerReplSetTestFixture::distLock() const {
auto distLock = dynamic_cast<DistLockManagerMock*>(catalogManager()->getDistLockManager());
invariant(distLock);
return distLock;
}
void CatalogManagerReplSetTestFixture::onCommand(OnCommandFunction func) {
network()->enterNetwork();
const NetworkInterfaceMock::NetworkOperationIterator noi =
network()->getNextReadyRequest();
const RemoteCommandRequest& request = noi->getRequest();
const auto& resultStatus = func(request);
BSONObjBuilder result;
if (resultStatus.isOK()) {
result.appendElements(resultStatus.getValue());
}
Command::appendCommandStatus(result, resultStatus.getStatus());
const RemoteCommandResponse response(result.obj(), Milliseconds(1));
network()->scheduleResponse(noi, network()->now(), response);
network()->runReadyNetworkOperations();
network()->exitNetwork();
}
void CatalogManagerReplSetTestFixture::onFindCommand(OnFindCommandFunction func) {
onCommand([&func](const RemoteCommandRequest& request) -> StatusWith<BSONObj> {
const auto& resultStatus = func(request);
if (!resultStatus.isOK()) {
return resultStatus.getStatus();
}
BSONArrayBuilder arr;
for (const auto& obj : resultStatus.getValue()) {
arr.append(obj);
}
const NamespaceString nss = NamespaceString(request.dbname,
request.cmdObj.firstElement().String());
BSONObjBuilder result;
appendCursorResponseObject(0LL, nss.toString(), arr.arr(), &result);
return result.obj();
});
}
} // namespace mongo
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