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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/db/query/explain_options.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/bson/json.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(ExplainOptionsTest, VerbosityEnumToStringReturnsCorrectValues) {
ASSERT_EQ(ExplainOptions::verbosityString(ExplainOptions::Verbosity::kQueryPlanner),
"queryPlanner"_sd);
ASSERT_EQ(ExplainOptions::verbosityString(ExplainOptions::Verbosity::kExecStats),
"executionStats"_sd);
ASSERT_EQ(ExplainOptions::verbosityString(ExplainOptions::Verbosity::kExecAllPlans),
"allPlansExecution"_sd);
}
TEST(ExplainOptionsTest, ExplainOptionsSerializeToBSONCorrectly) {
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "queryPlanner"),
ExplainOptions::toBSON(ExplainOptions::Verbosity::kQueryPlanner));
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "executionStats"),
ExplainOptions::toBSON(ExplainOptions::Verbosity::kExecStats));
ASSERT_BSONOBJ_EQ(BSON("verbosity"
<< "allPlansExecution"),
ExplainOptions::toBSON(ExplainOptions::Verbosity::kExecAllPlans));
}
TEST(ExplainOptionsTest, CanParseExplainVerbosity) {
auto verbosity = unittest::assertGet(
ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: 'queryPlanner'}")));
ASSERT(verbosity == ExplainOptions::Verbosity::kQueryPlanner);
verbosity = unittest::assertGet(
ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: 'executionStats'}")));
ASSERT(verbosity == ExplainOptions::Verbosity::kExecStats);
verbosity = unittest::assertGet(
ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: 'allPlansExecution'}")));
ASSERT(verbosity == ExplainOptions::Verbosity::kExecAllPlans);
}
TEST(ExplainOptionsTest, ParsingFailsIfVerbosityIsNotAString) {
ASSERT_EQ(ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: 1}")).getStatus(),
ErrorCodes::FailedToParse);
ASSERT_EQ(ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: {foo: 'bar'}}"))
.getStatus(),
ErrorCodes::FailedToParse);
}
TEST(ExplainOptionsTest, ParsingFailsIfVerbosityStringIsNotRecognized) {
ASSERT_EQ(ExplainOptions::parseCmdBSON(fromjson("{explain: {}, verbosity: 'badVerbosity'}"))
.getStatus(),
ErrorCodes::FailedToParse);
}
TEST(ExplainOptionsTest, ParsingFailsIfFirstElementIsNotAnObject) {
ASSERT_EQ(ExplainOptions::parseCmdBSON(fromjson("{explain: 1, verbosity: 'queryPlanner'}"))
.getStatus(),
ErrorCodes::FailedToParse);
}
} // namespace
} // namespace mongo
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