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/**
* Copyright (C) 2020-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/client/remote_command_targeter_mock.h"
#include "mongo/db/s/config/config_server_test_fixture.h"
#include "mongo/db/s/sharding_util.h"
#include "mongo/db/shard_id.h"
#include "mongo/executor/thread_pool_task_executor_test_fixture.h"
#include "mongo/logv2/log.h"
#include "mongo/s/catalog/type_shard.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kTest
namespace mongo {
namespace {
const std::vector<ShardId> kShardIdList{{"s1"}, {"s2"}};
const std::vector<ShardType> kShards{{"s1", "s1:123"}, {"s2", "s2:123"}};
const Status kMockStatus = {ErrorCodes::InternalError, "test"};
const BSONObj kMockErrorRes = BSON("ok" << 0 << "code" << kMockStatus.code());
const BSONObj kMockWriteConcernError = BSON("code" << ErrorCodes::WriteConcernFailed << "errmsg"
<< "Mock");
const BSONObj kMockResWithWriteConcernError =
BSON("ok" << 1 << "writeConcernError" << kMockWriteConcernError);
const Status kRetryableError{ErrorCodes::HostUnreachable, "RetryableError for test"};
class ShardingRefresherTest : public ConfigServerTestFixture {
protected:
void setUp() {
ConfigServerTestFixture::setUp();
for (const auto& shard : kShards) {
targeterFactory()->addTargeterToReturn(
ConnectionString(HostAndPort{shard.getHost()}), [&] {
auto targeter = std::make_unique<RemoteCommandTargeterMock>();
targeter->setFindHostReturnValue(HostAndPort{shard.getHost()});
return targeter;
}());
}
setupShards(kShards);
shardRegistry()->reload(operationContext());
}
};
TEST_F(ShardingRefresherTest, refresherTwoShardsSucceed) {
auto opCtx = operationContext();
auto nss = NamespaceString::createNamespaceString_forTest("mydb", "mycoll");
auto future = launchAsync([&] {
sharding_util::tellShardsToRefreshCollection(opCtx, kShardIdList, nss, executor());
});
onCommand([&](const executor::RemoteCommandRequest& request) { return BSON("ok" << 1); });
onCommand([&](const executor::RemoteCommandRequest& request) { return BSON("ok" << 1); });
future.default_timed_get();
}
TEST_F(ShardingRefresherTest, refresherTwoShardsFirstErrors) {
auto opCtx = operationContext();
auto nss = NamespaceString::createNamespaceString_forTest("mydb", "mycoll");
auto future = launchAsync([&] {
sharding_util::tellShardsToRefreshCollection(opCtx, kShardIdList, nss, executor());
});
onCommand([&](const executor::RemoteCommandRequest& request) { return kMockErrorRes; });
ASSERT_THROWS_CODE(future.default_timed_get(), DBException, kMockStatus.code());
}
TEST_F(ShardingRefresherTest, refresherTwoShardsSecondErrors) {
auto opCtx = operationContext();
auto nss = NamespaceString::createNamespaceString_forTest("mydb", "mycoll");
auto future = launchAsync([&] {
sharding_util::tellShardsToRefreshCollection(opCtx, kShardIdList, nss, executor());
});
onCommand([&](const executor::RemoteCommandRequest& request) { return BSON("ok" << 1); });
onCommand([&](const executor::RemoteCommandRequest& request) { return kMockErrorRes; });
ASSERT_THROWS_CODE(future.default_timed_get(), DBException, kMockStatus.code());
}
TEST_F(ShardingRefresherTest, refresherTwoShardsWriteConcernFailed) {
auto opCtx = operationContext();
auto nss = NamespaceString::createNamespaceString_forTest("mydb", "mycoll");
auto future = launchAsync([&] {
sharding_util::tellShardsToRefreshCollection(opCtx, kShardIdList, nss, executor());
});
onCommand([&](const executor::RemoteCommandRequest& request) {
return kMockResWithWriteConcernError;
});
ASSERT_THROWS_CODE(future.default_timed_get(), DBException, ErrorCodes::WriteConcernFailed);
}
} // namespace
} // namespace mongo
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