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/**
* Copyright (C) 2022-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/s/sharding_index_catalog_cache.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(ComparableIndexVersionTest, NoIndexesVersionsAreEqual) {
const auto version1 = ComparableIndexVersion::makeComparableIndexVersion(boost::none);
const auto version2 = ComparableIndexVersion::makeComparableIndexVersion(boost::none);
ASSERT(version1 == version2);
}
TEST(ComparableIndexVersionTest, SameTimestampVersionsAreEqual) {
const auto timestamp = Timestamp(5, 4);
const auto version1 = ComparableIndexVersion::makeComparableIndexVersion(timestamp);
const auto version2 = ComparableIndexVersion::makeComparableIndexVersion(timestamp);
ASSERT(version1 == version2);
}
TEST(ComparableIndexVersionTest, VersionsEqualAfterCopy) {
const Timestamp timestamp(5, 4);
const auto version1 = ComparableIndexVersion::makeComparableIndexVersion(timestamp);
const auto version2 = version1;
ASSERT(version1 == version2);
}
TEST(ComparableIndexVersionTest, HigherTimestampIsGreater) {
const auto version1 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 0));
const auto version2 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 1));
const auto version3 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(2, 0));
ASSERT(version2 != version1);
ASSERT(version2 > version1);
ASSERT_FALSE(version2 < version1);
ASSERT(version3 != version2);
ASSERT(version3 > version2);
ASSERT_FALSE(version3 < version2);
}
TEST(ComparableIndexVersionTest, LowerTimestampIsLess) {
const auto version1 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 0));
const auto version2 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 1));
const auto version3 = ComparableIndexVersion::makeComparableIndexVersion(Timestamp(2, 0));
ASSERT(version1 != version2);
ASSERT(version1 < version2);
ASSERT_FALSE(version1 > version2);
ASSERT(version3 != version2);
ASSERT(version2 < version3);
ASSERT_FALSE(version2 > version3);
}
TEST(ComparableIndexVersionTest, DefaultConstructedVersionsAreEqual) {
const ComparableIndexVersion defaultVersion1{}, defaultVersion2{};
ASSERT(defaultVersion1 == defaultVersion2);
ASSERT_FALSE(defaultVersion1 < defaultVersion2);
ASSERT_FALSE(defaultVersion1 > defaultVersion2);
}
TEST(ComparableIndexVersionTest, DefaultConstructedVersionIsLessThanNoIndexesVersion) {
const ComparableIndexVersion defaultVersion{};
const auto withIndexesVersion = ComparableIndexVersion::makeComparableIndexVersion(boost::none);
ASSERT(defaultVersion != withIndexesVersion);
ASSERT(defaultVersion < withIndexesVersion);
ASSERT_FALSE(defaultVersion > withIndexesVersion);
}
TEST(ComparableIndexVersionTest, DefaultConstructedVersionIsLessThanWithTimestampVersion) {
const ComparableIndexVersion defaultVersion{};
const auto noIndexesVersion =
ComparableIndexVersion::makeComparableIndexVersion(Timestamp(5, 4));
ASSERT(defaultVersion != noIndexesVersion);
ASSERT(defaultVersion < noIndexesVersion);
ASSERT_FALSE(defaultVersion > noIndexesVersion);
}
TEST(ComparableIndexVersionTest, NoIndexesGreaterThanDefault) {
const auto noIndexesVersion = ComparableIndexVersion::makeComparableIndexVersion(boost::none);
const ComparableIndexVersion defaultVersion{};
ASSERT(noIndexesVersion != defaultVersion);
ASSERT(noIndexesVersion > defaultVersion);
}
TEST(ComparableIndexVersionTest, NoIndexesAndWithTimestampUseDisambiguatingSequenceNumber) {
const auto firstNoIndexesVersion =
ComparableIndexVersion::makeComparableIndexVersion(boost::none);
const auto firstWithTimestampVersion =
ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 0));
const auto secondNoIndexesVersion =
ComparableIndexVersion::makeComparableIndexVersion(boost::none);
const auto secondWithTimestampVersion =
ComparableIndexVersion::makeComparableIndexVersion(Timestamp(1, 1));
ASSERT(firstNoIndexesVersion != firstWithTimestampVersion);
ASSERT(firstWithTimestampVersion > firstNoIndexesVersion);
ASSERT(firstNoIndexesVersion < firstWithTimestampVersion);
ASSERT(secondNoIndexesVersion == firstNoIndexesVersion);
ASSERT(secondNoIndexesVersion != firstWithTimestampVersion);
ASSERT(secondNoIndexesVersion > firstWithTimestampVersion);
ASSERT(secondNoIndexesVersion != secondWithTimestampVersion);
ASSERT(secondWithTimestampVersion > secondNoIndexesVersion);
ASSERT(secondNoIndexesVersion < secondWithTimestampVersion);
}
TEST(ComparableIndexVersionTest, CompareForcedRefreshVersionVersusValidCollectionIndexes) {
const Timestamp indexVersionTimestamp = Timestamp(100, 0);
const ComparableIndexVersion defaultVersionBeforeForce;
const auto versionBeforeForce =
ComparableIndexVersion::makeComparableIndexVersion(indexVersionTimestamp);
const auto forcedRefreshVersion =
ComparableIndexVersion::makeComparableIndexVersionForForcedRefresh();
const auto versionAfterForce =
ComparableIndexVersion::makeComparableIndexVersion(indexVersionTimestamp);
const ComparableIndexVersion defaultVersionAfterForce;
ASSERT(defaultVersionBeforeForce != forcedRefreshVersion);
ASSERT(defaultVersionBeforeForce < forcedRefreshVersion);
ASSERT(versionBeforeForce != forcedRefreshVersion);
ASSERT(versionBeforeForce < forcedRefreshVersion);
ASSERT(versionAfterForce != forcedRefreshVersion);
ASSERT(versionAfterForce > forcedRefreshVersion);
ASSERT(defaultVersionAfterForce != forcedRefreshVersion);
ASSERT(defaultVersionAfterForce < forcedRefreshVersion);
}
TEST(ComparableIndexVersionTest, CompareTwoForcedRefreshVersions) {
const auto forcedRefreshVersion1 =
ComparableIndexVersion::makeComparableIndexVersionForForcedRefresh();
ASSERT(forcedRefreshVersion1 == forcedRefreshVersion1);
ASSERT_FALSE(forcedRefreshVersion1 < forcedRefreshVersion1);
ASSERT_FALSE(forcedRefreshVersion1 > forcedRefreshVersion1);
const auto forcedRefreshVersion2 =
ComparableIndexVersion::makeComparableIndexVersionForForcedRefresh();
ASSERT_FALSE(forcedRefreshVersion1 == forcedRefreshVersion2);
ASSERT(forcedRefreshVersion1 < forcedRefreshVersion2);
ASSERT_FALSE(forcedRefreshVersion1 > forcedRefreshVersion2);
}
} // namespace
} // namespace mongo
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