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/**
* Copyright (C) 2018-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/platform/basic.h"
#include <boost/optional/optional_io.hpp>
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/curop.h"
#include "mongo/db/query/query_test_service_context.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(CurOpTest, CopyConstructors) {
OpDebug::AdditiveMetrics a, b;
a.keysExamined = 1;
b.keysExamined = 2;
a.prepareReadConflicts.store(1);
b.prepareReadConflicts.store(2);
// Test copy constructor.
OpDebug::AdditiveMetrics c = a;
ASSERT_EQ(a.keysExamined, c.keysExamined);
ASSERT_EQ(a.prepareReadConflicts.load(), c.prepareReadConflicts.load());
// Test copy assignment.
a = b;
ASSERT_EQ(a.keysExamined, b.keysExamined);
ASSERT_EQ(a.prepareReadConflicts.load(), b.prepareReadConflicts.load());
}
TEST(CurOpTest, AddingAdditiveMetricsObjectsTogetherShouldAddFieldsTogether) {
OpDebug::AdditiveMetrics currentAdditiveMetrics = OpDebug::AdditiveMetrics();
OpDebug::AdditiveMetrics additiveMetricsToAdd = OpDebug::AdditiveMetrics();
// Initialize field values for both AdditiveMetrics objects.
currentAdditiveMetrics.keysExamined = 0;
additiveMetricsToAdd.keysExamined = 2;
currentAdditiveMetrics.docsExamined = 4;
additiveMetricsToAdd.docsExamined = 2;
currentAdditiveMetrics.nMatched = 5;
additiveMetricsToAdd.nMatched = 5;
currentAdditiveMetrics.nModified = 3;
additiveMetricsToAdd.nModified = 1;
currentAdditiveMetrics.ninserted = 4;
additiveMetricsToAdd.ninserted = 0;
currentAdditiveMetrics.ndeleted = 3;
additiveMetricsToAdd.ndeleted = 2;
currentAdditiveMetrics.keysInserted = 6;
additiveMetricsToAdd.keysInserted = 5;
currentAdditiveMetrics.keysDeleted = 4;
additiveMetricsToAdd.keysDeleted = 2;
currentAdditiveMetrics.prepareReadConflicts.store(1);
additiveMetricsToAdd.prepareReadConflicts.store(5);
currentAdditiveMetrics.writeConflicts.store(7);
additiveMetricsToAdd.writeConflicts.store(0);
// Save the current AdditiveMetrics object before adding.
OpDebug::AdditiveMetrics additiveMetricsBeforeAdd;
additiveMetricsBeforeAdd.add(currentAdditiveMetrics);
currentAdditiveMetrics.add(additiveMetricsToAdd);
// The following field values should have changed after adding.
ASSERT_EQ(*currentAdditiveMetrics.keysExamined,
*additiveMetricsBeforeAdd.keysExamined + *additiveMetricsToAdd.keysExamined);
ASSERT_EQ(*currentAdditiveMetrics.docsExamined,
*additiveMetricsBeforeAdd.docsExamined + *additiveMetricsToAdd.docsExamined);
ASSERT_EQ(*currentAdditiveMetrics.nMatched,
*additiveMetricsBeforeAdd.nMatched + *additiveMetricsToAdd.nMatched);
ASSERT_EQ(*currentAdditiveMetrics.nModified,
*additiveMetricsBeforeAdd.nModified + *additiveMetricsToAdd.nModified);
ASSERT_EQ(*currentAdditiveMetrics.ninserted,
*additiveMetricsBeforeAdd.ninserted + *additiveMetricsToAdd.ninserted);
ASSERT_EQ(*currentAdditiveMetrics.ndeleted,
*additiveMetricsBeforeAdd.ndeleted + *additiveMetricsToAdd.ndeleted);
ASSERT_EQ(*currentAdditiveMetrics.keysInserted,
*additiveMetricsBeforeAdd.keysInserted + *additiveMetricsToAdd.keysInserted);
ASSERT_EQ(*currentAdditiveMetrics.keysDeleted,
*additiveMetricsBeforeAdd.keysDeleted + *additiveMetricsToAdd.keysDeleted);
ASSERT_EQ(currentAdditiveMetrics.prepareReadConflicts.load(),
additiveMetricsBeforeAdd.prepareReadConflicts.load() +
additiveMetricsToAdd.prepareReadConflicts.load());
ASSERT_EQ(currentAdditiveMetrics.writeConflicts.load(),
additiveMetricsBeforeAdd.writeConflicts.load() +
additiveMetricsToAdd.writeConflicts.load());
}
TEST(CurOpTest, AddingUninitializedAdditiveMetricsFieldsShouldBeTreatedAsZero) {
OpDebug::AdditiveMetrics currentAdditiveMetrics = OpDebug::AdditiveMetrics();
OpDebug::AdditiveMetrics additiveMetricsToAdd = OpDebug::AdditiveMetrics();
// Initialize field values for both AdditiveMetrics objects.
additiveMetricsToAdd.keysExamined = 5;
currentAdditiveMetrics.docsExamined = 4;
currentAdditiveMetrics.nModified = 3;
additiveMetricsToAdd.ninserted = 0;
currentAdditiveMetrics.keysInserted = 6;
additiveMetricsToAdd.keysInserted = 5;
currentAdditiveMetrics.keysDeleted = 4;
additiveMetricsToAdd.keysDeleted = 2;
currentAdditiveMetrics.prepareReadConflicts.store(1);
additiveMetricsToAdd.prepareReadConflicts.store(5);
currentAdditiveMetrics.writeConflicts.store(7);
additiveMetricsToAdd.writeConflicts.store(0);
// Save the current AdditiveMetrics object before adding.
OpDebug::AdditiveMetrics additiveMetricsBeforeAdd;
additiveMetricsBeforeAdd.add(currentAdditiveMetrics);
currentAdditiveMetrics.add(additiveMetricsToAdd);
// The 'keysExamined' field for the current AdditiveMetrics object was not initialized, so it
// should be treated as zero.
ASSERT_EQ(*currentAdditiveMetrics.keysExamined, *additiveMetricsToAdd.keysExamined);
// The 'docsExamined' field for the AdditiveMetrics object to add was not initialized, so it
// should be treated as zero.
ASSERT_EQ(*currentAdditiveMetrics.docsExamined, *additiveMetricsBeforeAdd.docsExamined);
// The 'nMatched' field for both the current AdditiveMetrics object and the AdditiveMetrics
// object to add were not initialized, so nMatched should still be uninitialized after the add.
ASSERT_EQ(currentAdditiveMetrics.nMatched, boost::none);
// The following field values should have changed after adding.
ASSERT_EQ(*currentAdditiveMetrics.keysInserted,
*additiveMetricsBeforeAdd.keysInserted + *additiveMetricsToAdd.keysInserted);
ASSERT_EQ(*currentAdditiveMetrics.keysDeleted,
*additiveMetricsBeforeAdd.keysDeleted + *additiveMetricsToAdd.keysDeleted);
ASSERT_EQ(currentAdditiveMetrics.prepareReadConflicts.load(),
additiveMetricsBeforeAdd.prepareReadConflicts.load() +
additiveMetricsToAdd.prepareReadConflicts.load());
ASSERT_EQ(currentAdditiveMetrics.writeConflicts.load(),
additiveMetricsBeforeAdd.writeConflicts.load() +
additiveMetricsToAdd.writeConflicts.load());
}
TEST(CurOpTest, AdditiveMetricsFieldsShouldIncrementByN) {
OpDebug::AdditiveMetrics additiveMetrics = OpDebug::AdditiveMetrics();
// Initialize field values.
additiveMetrics.writeConflicts.store(1);
additiveMetrics.keysInserted = 2;
additiveMetrics.prepareReadConflicts.store(6);
// Increment the fields.
additiveMetrics.incrementWriteConflicts(1);
additiveMetrics.incrementKeysInserted(5);
additiveMetrics.incrementKeysDeleted(0);
additiveMetrics.incrementNinserted(3);
additiveMetrics.incrementPrepareReadConflicts(2);
ASSERT_EQ(additiveMetrics.writeConflicts.load(), 2);
ASSERT_EQ(*additiveMetrics.keysInserted, 7);
ASSERT_EQ(*additiveMetrics.keysDeleted, 0);
ASSERT_EQ(*additiveMetrics.ninserted, 3);
ASSERT_EQ(additiveMetrics.prepareReadConflicts.load(), 8);
}
TEST(CurOpTest, OptionalAdditiveMetricsNotDisplayedIfUninitialized) {
// 'basicFields' should always be present in the logs and profiler, for any operation.
std::vector<std::string> basicFields{
"op", "ns", "command", "numYield", "locks", "millis", "flowControl"};
QueryTestServiceContext serviceContext;
auto opCtx = serviceContext.makeOperationContext();
SingleThreadedLockStats ls;
auto curop = CurOp::get(*opCtx);
const OpDebug& od = curop->debug();
// Create dummy command.
BSONObj command = BSON("a" << 3);
// Set dummy 'ns' and 'command'.
curop->setGenericOpRequestDetails(
opCtx.get(), NamespaceString("myDb.coll"), nullptr, command, NetworkOp::dbQuery);
BSONObjBuilder builder;
od.append(*curop, ls, {}, builder);
auto bs = builder.done();
// Append should always include these basic fields.
for (const std::string& field : basicFields) {
ASSERT_TRUE(bs.hasField(field));
}
// Append should include only the basic fields when just initialized.
ASSERT_EQ(static_cast<size_t>(bs.nFields()), basicFields.size());
// 'reportString' should only contain basic fields.
std::string reportString = od.report(serviceContext.getClient(), *curop, nullptr, {});
std::string expectedReportString = "query myDb.coll command: { a: 3 } numYields:0 0ms";
ASSERT_EQ(reportString, expectedReportString);
}
} // namespace
} // namespace mongo
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