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/**
* Copyright (C) 2017 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/db/catalog/namespace_uuid_cache.h"
#include "mongo/unittest/unittest.h"
using namespace mongo;
namespace {
TEST(NamespaceUUIDCache, ensureNamespaceInCache) {
NamespaceUUIDCache cache;
CollectionUUID uuid = CollectionUUID::gen();
CollectionUUID uuidConflict = CollectionUUID::gen();
NamespaceString nss("test", "test_collection_ns");
// Add nss, uuid to cache.
cache.ensureNamespaceInCache(nss, uuid);
// Do nothing if we query for existing nss, uuid pairing.
cache.ensureNamespaceInCache(nss, uuid);
if (debugCollectionUUIDs) {
// Uassert if we query for existing nss and uuid that does not match.
ASSERT_THROWS(cache.ensureNamespaceInCache(nss, uuidConflict), AssertionException);
}
}
TEST(NamespaceUUIDCache, onDropCollection) {
NamespaceUUIDCache cache;
CollectionUUID uuid = CollectionUUID::gen();
CollectionUUID newUuid = CollectionUUID::gen();
NamespaceString nss("test", "test_collection_ns");
cache.ensureNamespaceInCache(nss, uuid);
cache.evictNamespace(nss);
// Add nss to the cache with a different uuid. This should not throw since
// we evicted the previous entry from the cache.
cache.ensureNamespaceInCache(nss, newUuid);
}
} // namespace
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