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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/jsobj.h"
#include "mongo/db/write_concern_options.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseOnEmptyDocument) {
auto status = WriteConcernOptions::parse({}).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_EQUALS("write concern object cannot be empty", status.reason());
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseOnInvalidJValue) {
auto status = WriteConcernOptions::parse(BSON("j"
<< "abc"))
.getStatus();
ASSERT_EQUALS(ErrorCodes::TypeMismatch, status);
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseOnInvalidFSyncValue) {
auto status = WriteConcernOptions::parse(BSON("fsync"
<< "abc"))
.getStatus();
ASSERT_EQUALS(ErrorCodes::TypeMismatch, status);
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseIfBothJAndFSyncAreTrue) {
auto status = WriteConcernOptions::parse(BSON("j" << true << "fsync" << true)).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_EQUALS("fsync and j options cannot be used together", status.reason());
}
TEST(WriteConcernOptionsTest, ParseSetsSyncModeToJournelIfJIsTrue) {
auto sw = WriteConcernOptions::parse(BSON("j" << true));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::JOURNAL == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseSetsSyncModeToFSyncIfFSyncIsTrue) {
auto sw = WriteConcernOptions::parse(BSON("fsync" << true));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::FSYNC == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseSetsSyncModeToNoneIfJIsFalse) {
auto sw = WriteConcernOptions::parse(BSON("j" << false));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::NONE == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseLeavesSyncModeAsUnsetIfFSyncIsFalse) {
auto sw = WriteConcernOptions::parse(BSON("fsync" << false));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseIfWIsNotNumberOrStringOrObject) {
auto status = WriteConcernOptions::parse(BSON("w" << true)).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_STRING_CONTAINS(status.reason(), "w has to be a number, string, or object");
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseIfWIsNegativeOrExceedsMaxMembers) {
auto st1 = WriteConcernOptions::parse(BSON("w" << 123)).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, st1);
auto st2 = WriteConcernOptions::parse(BSON("w" << -1)).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, st2);
}
TEST(WriteConcernOptionsTest, ParseSetsWNumNodesIfWIsANumber) {
auto sw = WriteConcernOptions::parse(BSON("w" << 3));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(3, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseSetsWTimeoutToZeroIfWTimeoutIsNotANumber) {
auto sw = WriteConcernOptions::parse(BSON("wtimeout"
<< "abc"));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseWTimeoutAsNumber) {
auto sw = WriteConcernOptions::parse(BSON("wtimeout" << 123));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(Milliseconds{123}, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseWTimeoutAsNaNDouble) {
const double nan = std::nan("1");
auto sw = WriteConcernOptions::parse(BSON("wtimeout" << nan));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseWTimeoutAsDoubleLargerThanInt) {
// Set wtimeout to a double with value larger than INT_MAX.
auto sw = WriteConcernOptions::parse(BSON("wtimeout" << 2999999999.0));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(options.wTimeout, Milliseconds{2999999999});
}
TEST(WriteConcernOptionsTest, ParseReturnsFailedToParseOnUnknownField) {
auto status = WriteConcernOptions::parse(BSON("x" << 123)).getStatus();
ASSERT_NOT_OK(status);
}
void _testIgnoreWriteConcernField(const char* fieldName) {
auto sw = WriteConcernOptions::parse(BSON(fieldName << 1));
ASSERT_OK(sw.getStatus());
WriteConcernOptions options = sw.getValue();
ASSERT_TRUE(WriteConcernOptions::SyncMode::UNSET == options.syncMode);
ASSERT_EQUALS(1, stdx::get<int64_t>(options.w));
ASSERT_EQUALS(WriteConcernOptions::kNoTimeout, options.wTimeout);
}
TEST(WriteConcernOptionsTest, ParseIgnoresSpecialFields) {
_testIgnoreWriteConcernField("wElectionId");
_testIgnoreWriteConcernField("wOpTime");
_testIgnoreWriteConcernField("getLastError");
}
TEST(WriteConcernOptionsTest, ParseWithTags) {
auto status = WriteConcernOptions::parse(BSON("w" << BSON("abc"
<< "def")))
.getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_STRING_CONTAINS(status.reason(),
"tags must be a single level document with only number values");
status = WriteConcernOptions::parse(BSON("w" << BSONObj())).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_STRING_CONTAINS(status.reason(), "tagged write concern requires tags");
auto sw = WriteConcernOptions::parse(BSON("w" << BSON("abc" << 1)));
ASSERT_OK(sw.getStatus());
WriteConcernOptions wc = sw.getValue();
ASSERT_EQ(wc.wTimeout, WriteConcernOptions::kNoTimeout);
ASSERT_TRUE(wc.needToWaitForOtherNodes());
auto tags = stdx::get<WTags>(wc.w);
ASSERT(tags == (WTags{{"abc", 1}}));
ASSERT_BSONOBJ_EQ(wc.toBSON(), BSON("w" << BSON("abc" << 1) << "wtimeout" << 0));
auto wc2 = uassertStatusOK(WriteConcernOptions::parse(BSON("w" << BSON("abc" << 1))));
ASSERT(wc == wc2);
auto wc3 = uassertStatusOK(WriteConcernOptions::parse(BSON("w" << BSON("def" << 1))));
ASSERT(wc != wc3);
auto wc4 = uassertStatusOK(WriteConcernOptions::parse(BSON("w"
<< "majority")));
ASSERT(wc != wc4);
auto wc5 = uassertStatusOK(WriteConcernOptions::parse(BSON("w" << 2)));
ASSERT(wc != wc5);
}
TEST(WriteConcernOptionsTest, WTagsNotPermittedFCVLessThan53) {
serverGlobalParams.mutableFeatureCompatibility.setVersion(
multiversion::FeatureCompatibilityVersion::kVersion_5_2);
auto status = WriteConcernOptions::parse(BSON("w" << BSON("abc" << 1))).getStatus();
ASSERT_EQUALS(ErrorCodes::FailedToParse, status);
ASSERT_STRING_CONTAINS(status.reason(), "w has to be a number or string");
}
} // namespace
} // namespace mongo
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