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/**
* Copyright (C) 2018 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/db/s/active_move_primaries_registry.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/db/client.h"
#include "mongo/db/service_context_noop.h"
#include "mongo/s/request_types/move_primary_gen.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using unittest::assertGet;
class MovePrimaryRegistration : public unittest::Test {
protected:
void setUp() override {
_client = _serviceContext.makeClient("MovePrimaryRegistrationTest");
_opCtx = _serviceContext.makeOperationContext(_client.get());
}
void tearDown() override {
_opCtx.reset();
_client.reset();
}
OperationContext* getTxn() const {
return _opCtx.get();
}
ServiceContextNoop _serviceContext;
ServiceContext::UniqueClient _client;
ServiceContext::UniqueOperationContext _opCtx;
ActiveMovePrimariesRegistry _registry;
};
ShardMovePrimary createMovePrimaryRequest(const NamespaceString& nss) {
ShardMovePrimary request;
request.set_movePrimary(std::move(nss));
request.setTo("shard0001");
return request;
}
TEST_F(MovePrimaryRegistration, ScopedPrimaryMoveConstructorAndAssignment) {
auto originalScopedMovePrimary = assertGet(
_registry.registerMovePrimary(createMovePrimaryRequest(NamespaceString("TestDB"))));
ASSERT(originalScopedMovePrimary.mustExecute());
ScopedMovePrimary movedScopedMovePrimary(std::move(originalScopedMovePrimary));
ASSERT(movedScopedMovePrimary.mustExecute());
originalScopedMovePrimary = std::move(movedScopedMovePrimary);
ASSERT(originalScopedMovePrimary.mustExecute());
// Need to signal the registered migration so the destructor doesn't invariant
originalScopedMovePrimary.signalComplete(Status::OK());
}
TEST_F(MovePrimaryRegistration, GetActiveMovePrimaryNamespace) {
ASSERT(!_registry.getActiveMovePrimaryNss());
const NamespaceString nss("TestDB");
auto originalScopedMovePrimary =
assertGet(_registry.registerMovePrimary(createMovePrimaryRequest(nss)));
ASSERT_EQ(nss.ns(), _registry.getActiveMovePrimaryNss()->ns());
// Need to signal the registered migration so the destructor doesn't invariant
originalScopedMovePrimary.signalComplete(Status::OK());
}
TEST_F(MovePrimaryRegistration, SecondMovePrimaryReturnsConflictingOperationInProgress) {
auto originalScopedMovePrimary = assertGet(
_registry.registerMovePrimary(createMovePrimaryRequest(NamespaceString("TestDB"))));
auto secondScopedMovePrimaryStatus =
_registry.registerMovePrimary(createMovePrimaryRequest(NamespaceString("TestDB2")));
ASSERT_EQ(ErrorCodes::ConflictingOperationInProgress,
secondScopedMovePrimaryStatus.getStatus());
originalScopedMovePrimary.signalComplete(Status::OK());
}
TEST_F(MovePrimaryRegistration, SecondMovePrimaryWithSameArgumentsJoinsFirst) {
auto originalScopedMovePrimary = assertGet(
_registry.registerMovePrimary(createMovePrimaryRequest(NamespaceString("TestDB"))));
ASSERT(originalScopedMovePrimary.mustExecute());
auto secondScopedMovePrimary = assertGet(
_registry.registerMovePrimary(createMovePrimaryRequest(NamespaceString("TestDB"))));
ASSERT(!secondScopedMovePrimary.mustExecute());
originalScopedMovePrimary.signalComplete({ErrorCodes::InternalError, "Test error"});
ASSERT_EQ(Status(ErrorCodes::InternalError, "Test error"),
secondScopedMovePrimary.waitForCompletion(getTxn()));
}
} // namespace
} // namespace mongo
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