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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/bsontypes.h"
#include "mongo/stdx/unordered_set.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/uuid.h"
namespace mongo {
namespace {
TEST(UUIDTest, UUIDCollisionTest) {
// Generate some UUIDs and check that they do not collide.
// NOTE: if this test fails, it is not necessarily a bug. However, if it
// begins to fail often and on specific platforms, we should investigate
// the quality of our entropy on those systems.
stdx::unordered_set<UUID, UUID::Hash> uuids;
for (int i = 0; i < 10000; i++) {
ASSERT(uuids.emplace(UUID::gen()).second);
}
}
TEST(UUIDTest, isUUIDStringTest) {
// Several valid strings
ASSERT(UUID::isUUIDString("00000000-0000-4000-8000-000000000000"));
ASSERT(UUID::isUUIDString("01234567-9abc-4def-9012-3456789abcde"));
ASSERT(UUID::isUUIDString("dddddddd-eeee-4fff-aaaa-bbbbbbbbbbbb"));
ASSERT(UUID::isUUIDString("A9A9A9A9-BEDF-4DD9-B001-222345716283"));
// No version or variant set
ASSERT(UUID::isUUIDString("00000000-0000-0000-0000-000000000000"));
// Mixed casing is weird, but technically legal
ASSERT(UUID::isUUIDString("abcdefAB-CDEF-4000-AaAa-FDFfdffd9991"));
// Wrong number of Hyphens
ASSERT(!UUID::isUUIDString("00000000-0000-4000-8000-0000000000-00"));
ASSERT(!UUID::isUUIDString("000000000000-4000-8000-000000000000"));
ASSERT(!UUID::isUUIDString("00000000000040008000000000000000"));
// Hyphens in the wrong places
ASSERT(!UUID::isUUIDString("dddddd-ddeeee-4fff-aaaa-bbbbbbbbbbbb"));
ASSERT(!UUID::isUUIDString("ddddddd-deeee-4fff-aaaa-bbbbbbbbbbbb"));
ASSERT(!UUID::isUUIDString("d-d-d-dddddeeee4fffaaaa-bbbbbbbbbbbb"));
// Illegal characters
ASSERT(!UUID::isUUIDString("samsamsa-sams-4sam-8sam-samsamsamsam"));
// Too short
ASSERT(!UUID::isUUIDString("A9A9A9A9-BEDF-4DD9-B001"));
ASSERT(!UUID::isUUIDString("dddddddd-eeee-4fff-aaaa-bbbbbbbbbbb"));
// Too long
ASSERT(!UUID::isUUIDString("01234567-9abc-4def-9012-3456789abcdef"));
ASSERT(!UUID::isUUIDString("0123004567-9abc-4def-9012-3456789abcdef0000"));
}
TEST(UUIDTest, toAndFromString) {
// String -> UUID -> string
auto s1 = "00000000-0000-4000-8000-000000000000";
auto uuid1Res = UUID::parse(s1);
ASSERT_OK(uuid1Res);
auto uuid1 = uuid1Res.getValue();
ASSERT(UUID::isUUIDString(s1));
ASSERT(UUID::isUUIDString(uuid1.toString()));
ASSERT_EQUALS(uuid1.toString(), s1);
// UUID -> string -> UUID
auto uuid2 = UUID::gen();
auto s2 = uuid2.toString();
ASSERT(UUID::isUUIDString(s2));
auto uuid2FromStringRes = UUID::parse(s2);
ASSERT_OK(uuid2FromStringRes);
auto uuid2FromString = uuid2FromStringRes.getValue();
ASSERT_EQUALS(uuid2FromString, uuid2);
ASSERT_EQUALS(uuid2FromString.toString(), s2);
// Two UUIDs constructed from the same string are equal
auto s3 = "01234567-9abc-4def-9012-3456789abcde";
auto uuid3Res = UUID::parse(s3);
auto uuid3AgainRes = UUID::parse(s3);
ASSERT_OK(uuid3Res);
ASSERT_OK(uuid3AgainRes);
ASSERT_EQUALS(uuid3Res.getValue(), uuid3AgainRes.getValue());
// Two UUIDs constructed from differently cased string are equal
auto sLower = "00000000-aaaa-4000-8000-000000000000";
auto sUpper = "00000000-AAAA-4000-8000-000000000000";
auto uuidLowerRes = UUID::parse(sLower);
auto uuidUpperRes = UUID::parse(sUpper);
ASSERT_OK(uuidLowerRes);
ASSERT_OK(uuidUpperRes);
auto uuidLower = uuidLowerRes.getValue();
auto uuidUpper = uuidUpperRes.getValue();
ASSERT_EQUALS(uuidLower, uuidUpper);
// Casing is not preserved on round trip, both become lowercase
ASSERT_EQUALS(uuidLower.toString(), uuidUpper.toString());
ASSERT_EQUALS(uuidLower.toString(), sLower);
ASSERT_EQUALS(uuidUpper.toString(), sLower);
ASSERT_NOT_EQUALS(uuidUpper.toString(), sUpper);
// UUIDs constructed from different strings are not equal
auto s4 = "01234567-9abc-4def-9012-3456789abcde";
auto s5 = "01234567-0000-4def-9012-3456789abcde";
ASSERT_NOT_EQUALS(UUID::parse(s4).getValue(), UUID::parse(s5).getValue());
// UUIDs cannot be constructed from invalid strings
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse("00000000000040008000000000000000"));
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse("d-d-d-dddddeeee4fffaaaa-bbbbbbbbbbbb"));
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse("samsamsa-sams-4sam-8sam-samsamsamsam"));
}
TEST(UUIDTest, toAndFromCDR) {
UUID uuid = UUID::gen();
ConstDataRange cdr = uuid.toCDR();
UUID roundtripped = UUID::fromCDR(cdr);
ASSERT_EQUALS(roundtripped, uuid);
}
TEST(UUIDTest, toAndFromBSON) {
// UUID -> BSON -> UUID
UUID uuid = UUID::gen();
auto uuidBSON = uuid.toBSON();
auto uuid2Res = UUID::parse(uuidBSON.getField("uuid"));
ASSERT_OK(uuid2Res);
auto uuid2 = uuid2Res.getValue();
ASSERT_EQUALS(uuid, uuid2Res);
// BSON -> UUID -> BSON
uint8_t uuidBytes[] = {0, 0, 0, 0, 0, 0, 0x40, 0, 0x80, 0, 0, 0, 0, 0, 0, 0};
auto bson = BSON("uuid" << BSONBinData(uuidBytes, 16, newUUID));
auto uuidFromBSON = UUID::parse(bson.getField("uuid"));
ASSERT_OK(uuidFromBSON);
auto uuidBSON2 = uuid2.toBSON();
ASSERT_EQUALS(uuidBSON.woCompare(uuidBSON2), 0);
// UUIDs cannot be constructed from invalid BSON elements
auto bson2 = BSON("uuid"
<< "sam");
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse(bson2.getField("uuid")));
auto bson3 = BSON("uuid"
<< "dddddddd-eeee-4fff-aaaa-bbbbbbbbbbbb");
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse(bson3.getField("uuid")));
auto bson4 = BSON("uuid" << 14);
ASSERT_EQUALS(ErrorCodes::InvalidUUID, UUID::parse(bson4.getField("uuid")));
}
TEST(UUIDTest, toBSONUsingBSONMacro) {
auto uuid = UUID::gen();
auto bson = BSON("myuuid" << uuid);
BSONObjBuilder bob;
uuid.appendToBuilder(&bob, "myuuid");
auto expectedBson = bob.obj();
ASSERT_BSONOBJ_EQ(expectedBson, bson);
}
} // namespace
} // namespace mongo
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