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/**
* Copyright (C) 2022-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.
*/
#include "mongo/db/s/operation_sharding_state.h"
#include "mongo/db/s/shard_server_test_fixture.h"
#include "mongo/s/shard_version_factory.h"
namespace mongo {
namespace {
const NamespaceString kNss("TestDB", "TestColl");
const NamespaceString kAnotherNss("TestDB", "AnotherColl");
using OperationShardingStateTest = ShardServerTestFixture;
TEST_F(OperationShardingStateTest, ScopedSetShardRoleDbVersion) {
DatabaseVersion dbv{UUID::gen(), Timestamp(1, 0)};
ScopedSetShardRole scopedSetShardRole(operationContext(), kNss, boost::none, dbv);
auto& oss = OperationShardingState::get(operationContext());
ASSERT_EQ(dbv, *oss.getDbVersion(kNss.db()));
}
TEST_F(OperationShardingStateTest, ScopedSetShardRoleShardVersion) {
CollectionGeneration gen(OID::gen(), Timestamp(1, 0));
ShardVersion shardVersion =
ShardVersionFactory::make({gen, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ScopedSetShardRole scopedSetShardRole(operationContext(), kNss, shardVersion, boost::none);
auto& oss = OperationShardingState::get(operationContext());
ASSERT_EQ(shardVersion, *oss.getShardVersion(kNss));
}
TEST_F(OperationShardingStateTest, ScopedSetShardRoleChangeShardVersionSameNamespace) {
auto& oss = OperationShardingState::get(operationContext());
{
CollectionGeneration gen1(OID::gen(), Timestamp(10, 0));
ShardVersion shardVersion1 = ShardVersionFactory::make(
{gen1, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ScopedSetShardRole scopedSetShardRole1(
operationContext(), kNss, shardVersion1, boost::none);
ASSERT_EQ(shardVersion1, *oss.getShardVersion(kNss));
}
{
CollectionGeneration gen2(OID::gen(), Timestamp(20, 0));
ShardVersion shardVersion2 = ShardVersionFactory::make(
{gen2, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ScopedSetShardRole scopedSetShardRole2(
operationContext(), kNss, shardVersion2, boost::none);
ASSERT_EQ(shardVersion2, *oss.getShardVersion(kNss));
}
}
TEST_F(OperationShardingStateTest, ScopedSetShardRoleRecursiveShardVersionDifferentNamespaces) {
CollectionGeneration gen1(OID::gen(), Timestamp(10, 0));
CollectionGeneration gen2(OID::gen(), Timestamp(20, 0));
ShardVersion shardVersion1 =
ShardVersionFactory::make({gen1, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ShardVersion shardVersion2 =
ShardVersionFactory::make({gen2, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ScopedSetShardRole scopedSetShardRole1(operationContext(), kNss, shardVersion1, boost::none);
ScopedSetShardRole scopedSetShardRole2(
operationContext(), kAnotherNss, shardVersion2, boost::none);
auto& oss = OperationShardingState::get(operationContext());
ASSERT_EQ(shardVersion1, *oss.getShardVersion(kNss));
ASSERT_EQ(shardVersion2, *oss.getShardVersion(kAnotherNss));
}
TEST_F(OperationShardingStateTest, ScopedSetShardRoleIgnoresFixedDbVersion) {
DatabaseVersion dbv{DatabaseVersion::makeFixed()};
ScopedSetShardRole scopedSetShardRole(operationContext(), kNss, boost::none, dbv);
auto& oss = OperationShardingState::get(operationContext());
ASSERT_FALSE(oss.getDbVersion(kNss.db()));
}
TEST_F(OperationShardingStateTest, ScopedSetShardRoleAllowedShardVersionsWithFixedDbVersion) {
{
// The UNSHARDED version can be passed with a fixed dbVersion.
DatabaseVersion dbv{DatabaseVersion::makeFixed()};
ShardVersion sv{ShardVersion::UNSHARDED()};
ScopedSetShardRole scopedSetShardRole0(operationContext(), kNss, sv, dbv);
}
{
// No shard version can be passed with a fixed dbVersion.
DatabaseVersion dbv{DatabaseVersion::makeFixed()};
ScopedSetShardRole scopedSetShardRole1(operationContext(), kNss, boost::none, dbv);
}
{
// Any other shard version cannot be passed with a fixed dbVersion.
DatabaseVersion dbv{DatabaseVersion::makeFixed()};
CollectionGeneration gen(OID::gen(), Timestamp(1, 0));
ShardVersion sv = ShardVersionFactory::make(
{gen, {1, 0}}, boost::optional<CollectionIndexes>(boost::none));
ASSERT_THROWS_CODE(
[&] {
ScopedSetShardRole scopedSetShardRole(operationContext(), kNss, sv, dbv);
}(),
DBException,
7331300);
}
}
} // namespace
} // namespace mongo
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