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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#pragma once
#include "mongo/s/catalog/type_shard.h"
#include "mongo/s/sharding_test_fixture_common.h"
namespace mongo {
class BSONObj;
class ShardingCatalogClient;
struct ChunkVersion;
class CollectionType;
class ShardRegistry;
namespace transport {
class TransportLayerMock;
} // namespace transport
/**
* Sets up the mocked out objects for testing the replica-set backed catalog manager and catalog
* client.
*/
class ShardingTestFixture : public ShardingTestFixtureCommon {
protected:
ShardingTestFixture();
~ShardingTestFixture();
/**
* Returns the mock targeter for the config server. Useful to use like so,
*
* configTargeterMock()->setFindHostReturnValue(HostAndPort);
* configTargeterMock()->setFindHostReturnValue({ErrorCodes::InternalError, "can't target"})
*
* Remote calls always need to resolve a host with RemoteCommandTargeterMock::findHost, so it
* must be set.
*/
std::shared_ptr<RemoteCommandTargeterMock> configTargeter();
// Syntactic sugar for getting sharding components off the Grid, if they have been initialized.
ShardingCatalogClient* catalogClient() const;
ShardRegistry* shardRegistry() const;
std::shared_ptr<executor::TaskExecutor> executor() const;
/**
* Same as the onCommand* variants, but expects the request to be placed on the arbitrary
* executor of the Grid's executorPool.
*/
void onCommandForPoolExecutor(executor::NetworkTestEnv::OnCommandFunction func);
/**
* Setup the shard registry to contain the given shards until the next reload.
*/
void setupShards(const std::vector<ShardType>& shards);
/**
* Adds ShardRemote shards to the shard registry.
*/
void addRemoteShards(const std::vector<std::tuple<ShardId, HostAndPort>>& shards);
/**
* Wait for the shards listing command to be run and returns the specified set of shards.
*/
void expectGetShards(const std::vector<ShardType>& shards);
/**
* Wait for a single insert request and ensures that the items being inserted exactly match the
* expected items. Responds with a success status.
*/
void expectInserts(const NamespaceString& nss, const std::vector<BSONObj>& expected);
/**
* Waits for a count command and returns a response reporting the given number of documents
* as the result of the count, or an error.
*/
void expectCount(const HostAndPort& configHost,
const NamespaceString& expectedNs,
const BSONObj& expectedQuery,
const StatusWith<long long>& response);
/**
*
*/
void expectFindSendBSONObjVector(const HostAndPort& configHost, std::vector<BSONObj> obj);
/**
* Expects an update call, which changes the specified collection's namespace contents to match
* those of the input argument.
*/
void expectUpdateCollection(const HostAndPort& expectedHost,
const CollectionType& coll,
bool expectUpsert = true);
void shutdownExecutor();
void setRemote(const HostAndPort& remote);
/**
* Checks that the given command has the expected settings for read after opTime.
*/
void checkReadConcern(const BSONObj& cmdObj,
const Timestamp& expectedTS,
long long expectedTerm) const;
/**
* Mocks an error cursor response from a remote with the given 'status'.
*/
BSONObj createErrorCursorResponse(Status status) {
invariant(!status.isOK());
BSONObjBuilder result;
status.serializeErrorToBSON(&result);
result.appendBool("ok", false);
return result.obj();
}
private:
std::unique_ptr<ShardingCatalogClient> makeShardingCatalogClient() override;
transport::SessionHandle _transportSession;
// For the Grid's fixed executor.
std::shared_ptr<executor::TaskExecutor> _fixedExecutor;
// For the Grid's arbitrary executor in its executorPool.
std::unique_ptr<executor::NetworkTestEnv> _networkTestEnvForPool;
};
} // namespace mongo
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