/**
* Copyright (C) 2014 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 .
*
* 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kIndex
#include "mongo/platform/basic.h"
#include "mongo/db/index/expression_keys_private.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/index/2d_common.h"
#include "mongo/db/index/expression_params.h"
#include "mongo/db/json.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/log.h"
using namespace mongo;
namespace {
std::string dumpKeyset(const BSONObjSet& objs) {
std::stringstream ss;
ss << "[ ";
for (BSONObjSet::iterator i = objs.begin(); i != objs.end(); ++i) {
ss << i->toString() << " ";
}
ss << "]";
return ss.str();
}
bool assertKeysetsEqual(const BSONObjSet& expectedKeys, const BSONObjSet& actualKeys) {
if (expectedKeys != actualKeys) {
log() << "Expected: " << dumpKeyset(expectedKeys) << ", "
<< "Actual: " << dumpKeyset(actualKeys);
return false;
}
return true;
}
BSONObj make2DKey(const TwoDIndexingParams& params, int x, int y, BSONElement trailingFields) {
BSONObjBuilder bob;
BSONObj locObj = BSON_ARRAY(x << y);
params.geoHashConverter->hash(locObj, nullptr).appendHashMin(&bob, "");
bob.append(trailingFields);
return bob.obj();
}
TEST(2dKeyGeneratorTest, TrailingField) {
BSONObj obj = fromjson("{a: [0, 0], b: 5}");
BSONObj infoObj = fromjson("{key: {a: '2d', b: 1}}");
TwoDIndexingParams params;
ExpressionParams::parseTwoDParams(infoObj, ¶ms);
BSONObjSet actualKeys;
std::vector locs;
ExpressionKeysPrivate::get2DKeys(obj, params, &actualKeys, &locs);
BSONObjSet expectedKeys;
BSONObj trailingFields = BSON("" << 5);
expectedKeys.insert(make2DKey(params, 0, 0, trailingFields.firstElement()));
ASSERT(assertKeysetsEqual(expectedKeys, actualKeys));
}
TEST(2dKeyGeneratorTest, ArrayTrailingField) {
BSONObj obj = fromjson("{a: [0, 0], b: [5, 6]}");
BSONObj infoObj = fromjson("{key: {a: '2d', b: 1}}");
TwoDIndexingParams params;
ExpressionParams::parseTwoDParams(infoObj, ¶ms);
BSONObjSet actualKeys;
std::vector locs;
ExpressionKeysPrivate::get2DKeys(obj, params, &actualKeys, &locs);
BSONObjSet expectedKeys;
BSONObj trailingFields = BSON("" << BSON_ARRAY(5 << 6));
expectedKeys.insert(make2DKey(params, 0, 0, trailingFields.firstElement()));
ASSERT(assertKeysetsEqual(expectedKeys, actualKeys));
}
TEST(2dKeyGeneratorTest, ArrayOfObjectsTrailingField) {
BSONObj obj = fromjson("{a: [0, 0], b: [{c: 5}, {c: 6}]}");
BSONObj infoObj = fromjson("{key: {a: '2d', 'b.c': 1}}");
TwoDIndexingParams params;
ExpressionParams::parseTwoDParams(infoObj, ¶ms);
BSONObjSet actualKeys;
std::vector locs;
ExpressionKeysPrivate::get2DKeys(obj, params, &actualKeys, &locs);
BSONObjSet expectedKeys;
BSONObj trailingFields = BSON("" << BSON_ARRAY(5 << 6));
expectedKeys.insert(make2DKey(params, 0, 0, trailingFields.firstElement()));
ASSERT(assertKeysetsEqual(expectedKeys, actualKeys));
}
} // namespace