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/**
* Copyright (C) 2016 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/client/read_preference.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/s/config/sharding_catalog_manager.h"
#include "mongo/s/catalog/type_shard.h"
#include "mongo/s/client/shard.h"
#include "mongo/s/config_server_test_fixture.h"
namespace mongo {
namespace {
ReadPreferenceSetting kReadPref(ReadPreference::PrimaryOnly);
using AddShardToZoneTest = ConfigServerTestFixture;
TEST_F(AddShardToZoneTest, AddSingleZoneToExistingShardShouldSucceed) {
ShardType shard;
shard.setName("a");
shard.setHost("a:1234");
setupShards({shard}).transitional_ignore();
ASSERT_OK(ShardingCatalogManager::get(operationContext())
->addShardToZone(operationContext(), shard.getName(), "z"));
auto shardDocStatus = getShardDoc(operationContext(), shard.getName());
ASSERT_OK(shardDocStatus.getStatus());
auto shardDoc = shardDocStatus.getValue();
auto tags = shardDoc.getTags();
ASSERT_EQ(1u, tags.size());
ASSERT_EQ("z", tags.front());
}
TEST_F(AddShardToZoneTest, AddZoneToShardWithSameTagShouldSucceed) {
ShardType shard;
shard.setName("a");
shard.setHost("a:1234");
shard.setTags({"x", "y"});
setupShards({shard}).transitional_ignore();
ASSERT_OK(ShardingCatalogManager::get(operationContext())
->addShardToZone(operationContext(), shard.getName(), "x"));
auto shardDocStatus = getShardDoc(operationContext(), shard.getName());
ASSERT_OK(shardDocStatus.getStatus());
auto shardDoc = shardDocStatus.getValue();
auto tags = shardDoc.getTags();
ASSERT_EQ(2u, tags.size());
ASSERT_EQ("x", tags.front());
ASSERT_EQ("y", tags.back());
}
TEST_F(AddShardToZoneTest, AddZoneToShardWithNewTagShouldAppend) {
ShardType shard;
shard.setName("a");
shard.setHost("a:1234");
shard.setTags({"x"});
setupShards({shard}).transitional_ignore();
ASSERT_OK(ShardingCatalogManager::get(operationContext())
->addShardToZone(operationContext(), shard.getName(), "y"));
auto shardDocStatus = getShardDoc(operationContext(), shard.getName());
ASSERT_OK(shardDocStatus.getStatus());
auto shardDoc = shardDocStatus.getValue();
auto tags = shardDoc.getTags();
ASSERT_EQ(2u, tags.size());
ASSERT_EQ("x", tags.front());
ASSERT_EQ("y", tags.back());
}
TEST_F(AddShardToZoneTest, AddSingleZoneToNonExistingShardShouldFail) {
ShardType shard;
shard.setName("a");
shard.setHost("a:1234");
setupShards({shard}).transitional_ignore();
auto status = ShardingCatalogManager::get(operationContext())
->addShardToZone(operationContext(), "b", "z");
ASSERT_EQ(ErrorCodes::ShardNotFound, status);
}
} // unnamed namespace
} // namespace mongo
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