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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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl
#include "mongo/platform/basic.h"
#include "mongo/idl/cluster_server_parameter_test_util.h"
#include "mongo/db/change_stream_options_manager.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/repl/replication_coordinator_mock.h"
#include "mongo/db/repl/storage_interface_mock.h"
#include "mongo/db/service_context_d_test_fixture.h"
#include "mongo/idl/cluster_parameter_synchronization_helpers.h"
#include "mongo/idl/cluster_server_parameter_gen.h"
#include "mongo/idl/cluster_server_parameter_initializer.h"
#include "mongo/idl/cluster_server_parameter_test_gen.h"
#include "mongo/idl/server_parameter.h"
#include "mongo/logv2/log.h"
#include "mongo/s/write_ops/batched_command_response.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using namespace cluster_server_parameter_test_util;
class ClusterServerParameterInitializerTest : public ClusterServerParameterTestBase {
public:
void setUp() final {
ClusterServerParameterTestBase::setUp();
// Insert a document on-disk for ClusterServerParameterTest. This should be loaded in-memory
// by the initializer during startup recovery and at the end of initial sync.
Timestamp now(time(nullptr));
const auto doc =
makeClusterParametersDoc(LogicalTime(now), kInitialIntValue, kInitialStrValue);
upsert(doc);
}
void tearDown() final {
// Delete all cluster server parameter documents written and refresh in-memory state.
remove();
auto opCtx = cc().makeOperationContext();
cluster_parameters::resynchronizeAllParametersFromDisk(opCtx.get());
}
/**
* Simulates the call to the ClusterServerParameterInitializer at the end of initial sync, when
* data is available but is not guaranteed to be majority committed.
*/
void doInitialSync() {
auto opCtx = cc().makeOperationContext();
_initializer.onInitialDataAvailable(opCtx.get(), false /* isMajorityDataAvailable */);
}
/**
* Simulates the call to the ClusterServerParameterInitializer at the end of startup recovery,
* when we expect to see majority committed data on-disk.
*/
void doStartupRecovery() {
auto opCtx = cc().makeOperationContext();
_initializer.onInitialDataAvailable(opCtx.get(), true /* isMajorityDataAvailable */);
}
protected:
ClusterServerParameterInitializer _initializer;
};
TEST_F(ClusterServerParameterInitializerTest, OnInitialSync) {
// Retrieve the in-memory test cluster server parameter and ensure it's set to the default
// value.
auto* sp = ServerParameterSet::getClusterParameterSet()
->get<IDLServerParameterWithStorage<ServerParameterType::kClusterWide,
ClusterServerParameterTest>>(kCSPTest);
ASSERT(sp != nullptr);
ClusterServerParameterTest cspTest = sp->getValue();
ASSERT_EQ(cspTest.getIntValue(), kDefaultIntValue);
ASSERT_EQ(cspTest.getStrValue(), kDefaultStrValue);
// Indicate that data is available at the end of initial sync and check that the in-memory data
// is updated.
doInitialSync();
sp = ServerParameterSet::getClusterParameterSet()
->get<IDLServerParameterWithStorage<ServerParameterType::kClusterWide,
ClusterServerParameterTest>>(kCSPTest);
ASSERT(sp != nullptr);
cspTest = sp->getValue();
ASSERT_EQ(cspTest.getIntValue(), kInitialIntValue);
ASSERT_EQ(cspTest.getStrValue(), kInitialStrValue);
}
TEST_F(ClusterServerParameterInitializerTest, OnStartupRecovery) {
// Retrieve the test cluster server parameter and ensure it's set to the default value.
auto* sp = ServerParameterSet::getClusterParameterSet()
->get<IDLServerParameterWithStorage<ServerParameterType::kClusterWide,
ClusterServerParameterTest>>(kCSPTest);
ASSERT(sp != nullptr);
ClusterServerParameterTest cspTest = sp->getValue();
ASSERT_EQ(cspTest.getIntValue(), kDefaultIntValue);
ASSERT_EQ(cspTest.getStrValue(), kDefaultStrValue);
// Indicate that data is available at the end of startup recovery and check that the in-memory
// data is updated.
doStartupRecovery();
sp = ServerParameterSet::getClusterParameterSet()
->get<IDLServerParameterWithStorage<ServerParameterType::kClusterWide,
ClusterServerParameterTest>>(kCSPTest);
ASSERT(sp != nullptr);
cspTest = sp->getValue();
ASSERT_EQ(cspTest.getIntValue(), kInitialIntValue);
ASSERT_EQ(cspTest.getStrValue(), kInitialStrValue);
}
} // namespace
} // namespace mongo
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