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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 "mongo/bson/bsonmisc.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/bson/json.h"
#include "mongo/db/explain_gen.h"
#include "mongo/db/query/explain_options.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using Verbosity = explain::VerbosityEnum;
TEST(ExplainTest, VerbosityEnumToStringReturnsCorrectValues) {
ASSERT_EQ(explain::Verbosity_serializer(Verbosity::kQueryPlanner), "queryPlanner"_sd);
ASSERT_EQ(explain::Verbosity_serializer(Verbosity::kExecStats), "executionStats"_sd);
ASSERT_EQ(explain::Verbosity_serializer(Verbosity::kExecAllPlans), "allPlansExecution"_sd);
}
TEST(ExplainTest, ExplainSerializeToBSONCorrectly) {
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "queryPlanner"),
ExplainOptions::toBSON(Verbosity::kQueryPlanner));
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "executionStats"),
ExplainOptions::toBSON(Verbosity::kExecStats));
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "allPlansExecution"),
ExplainOptions::toBSON(Verbosity::kExecAllPlans));
}
TEST(ExplainTest, CanParseExplainVerbosity) {
auto verbosity = ExplainCommandRequest::parse(
IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'queryPlanner', $db: 'dummy'}"))
.getVerbosity();
ASSERT(verbosity == Verbosity::kQueryPlanner);
verbosity = ExplainCommandRequest::parse(
IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'executionStats', $db: 'dummy'}"))
.getVerbosity();
ASSERT(verbosity == Verbosity::kExecStats);
verbosity = ExplainCommandRequest::parse(
IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'allPlansExecution', $db: 'dummy'}"))
.getVerbosity();
ASSERT(verbosity == Verbosity::kExecAllPlans);
}
TEST(ExplainTest, ParsingFailsIfVerbosityIsNotAString) {
ASSERT_THROWS_CODE(ExplainCommandRequest::parse(IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 1}")),
DBException,
ErrorCodes::TypeMismatch);
ASSERT_THROWS_CODE(
ExplainCommandRequest::parse(IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: {foo: 'bar'}}")),
DBException,
ErrorCodes::TypeMismatch);
}
TEST(ExplainTest, ParsingFailsIfVerbosityStringIsNotRecognized) {
ASSERT_THROWS_CODE(
ExplainCommandRequest::parse(IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'badVerbosity'}")),
DBException,
ErrorCodes::BadValue);
}
TEST(ExplainTest, ParsingFailsIfFirstElementIsNotAnObject) {
ASSERT_THROWS_CODE(
ExplainCommandRequest::parse(IDLParserContext("explain"),
fromjson("{explain: 1, verbosity: 'queryPlanner'}")),
DBException,
40414);
}
TEST(ExplainTest, ParsingFailsIfUnknownFieldInCommandObject) {
ASSERT_THROWS_CODE(
ExplainCommandRequest::parse(
IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'queryPlanner', unknownField: true}")),
DBException,
40415);
}
TEST(ExplainTest, CanParseGenericCommandArguments) {
ExplainCommandRequest::parse(
IDLParserContext("explain"),
fromjson("{explain: {}, verbosity: 'queryPlanner', comment: true, $db: 'test'}"));
}
} // namespace
} // namespace mongo
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