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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.
*/
/**
* Unittest for MultikeyPathTracker operations.
*/
#include "mongo/platform/basic.h"
#include <sstream>
#include "mongo/db/multi_key_path_tracker.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/str.h"
namespace mongo {
namespace {
void assertMultikeyPathsAreEqual(const MultikeyPaths& actual, const MultikeyPaths& expected) {
bool match = (expected == actual);
if (!match) {
FAIL(str::stream() << "Expected: " << MultikeyPathTracker::dumpMultikeyPaths(expected)
<< ", "
<< "Actual: " << MultikeyPathTracker::dumpMultikeyPaths(actual));
}
ASSERT(match);
}
TEST(MultikeyPathTracker, TestMergeMultikeyPaths) {
// Suppose the index key is {"a.c": 1, "a.b": 1, "c.d.b.e": 1}.
MultikeyPaths mutablePaths = {{}, {}, {}};
{
// `foundPaths` finds `a` to be multikey.
MultikeyPaths foundPaths = {{0}, {0}, {}};
MultikeyPathTracker::mergeMultikeyPaths(&mutablePaths, foundPaths);
assertMultikeyPathsAreEqual(mutablePaths, foundPaths);
}
{
// `foundPaths` finds `c` and `d` to be multikey.
MultikeyPaths foundPaths = {{1}, {}, {0, 1}};
MultikeyPathTracker::mergeMultikeyPaths(&mutablePaths, foundPaths);
assertMultikeyPathsAreEqual(mutablePaths, {{0, 1}, {0}, {0, 1}});
}
{
// `foundPaths` finds `b` to be multikey.
MultikeyPaths foundPaths = {{}, {1}, {2}};
MultikeyPathTracker::mergeMultikeyPaths(&mutablePaths, foundPaths);
assertMultikeyPathsAreEqual(mutablePaths, {{0, 1}, {0, 1}, {0, 1, 2}});
}
}
} // namespace
} // namespace mongo
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